Our Faculty

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Dipayan Das

Professor

Ph.D. (TU Liberec, Czech Republic)

Group Specialization

  • Textile Engineering

Specialization

  • Nonwoven Products & Processes
  • Textile Structures
  • Fibre-to-Yarn Engineering

Biography

Dr. Dipayan Das is currently working as Professor in the Department of Textile Technology of Indian Institute of Technology Delhi. He received PhD from Technical University of Liberec, Czech Republic in 2005. This was followed by position as a post-doc research associate at the Nonwovens Cooperative Research Center in North Carolina State University, USA. He then joined IIT Delhi as Assistant Professor in 2008. He became Associate Professor in 2012 and Professor in 2018. He served as Adjunct Assistant Professor at the Department of Textile Engineering, Chemistry & Science of NC State University from 2008 to 2009.

He has taught Nonwoven Technology, Textile Structures, Technical Textiles as well as Design of Experiments and Statistical Techniques at undergraduate and postgraduate levels. His research interest lies in the areas of Technical Textiles, Nonwoven Products and Processes, Modeling of Fibrous Structures and Their Properties, and Product and Process Engineering Using Statistical and Mathematical Techniques. He has published two books, two monographs, and over 125 articles in scientific journals and conference proceedings. He has guided over 32 theses, leading to PhD and MTech degrees.

He is the recipient of European Union’s Erasmus Plus Teaching Grant (2018), Gandhian Young Technological Innovation (GYTI) Appreciation Award (2018), IIT Delhi Teaching Excellence Award (2017), Kusuma Trust Outstanding Young Faculty Fellowship (2008-2013), Fiber Society Best Student Paper Award (2004), Czech Doctoral Scholarship (2002), DAAD Scholarship (2001), Precitex Award (1999), Debabrata Bhattachariya Memorial Prize (1998). He ranked All India First in GATE-1999 (TF) and First Class First in Bachelor of Textile Technology Program of University of Calcutta (1999).

Specialization

  • Nonwoven Products & Processes
  • Textile Structures
  • Fibre-to-Yarn Engineering

 Teaching Interests

  • TXL 221: Yarn Manufacturing I
  • TTL 362:Theory of Textile Structures
  • TTL 363: Technical Textiles
  • TXL 382: Applied Statistics for Textile Engineers
  • TXP 221:Yarn Manufacturing Laboratory I
  • TXP 222:Yarn Manufacturing Laboratory II
  • TXL 721: Theory of Yarn Structure
  • TXL 731:Theory of Fabric Structure
  • TXL 734: Nonwoven Processes and Products
  • TTL 764:Process Control in Spinning and Weaving
  • TXL 783:Design of Experiments and Statistical Techniques

Research Interests

  • Nonwoven Products & Processes
  • Fibrous Biocomposites
  • Textile Structure

Awards & Achievements

  • Erasmus Plus Teaching Grant, European Union, 2018
  • Gandhian Young Technological Innovation (GYTI) Appreciation Award, BIRAC-SRISTI, 2018
  • Teaching Excellence Award, IIT Delhi, 2017
  • Outstanding Young Faculty Fellowship, Kusuma Trust, Gibraltar, USA, 2008-2013
  • Adjunct Assistant Professor, Textile Engineering, Chemistry & Science, North Carolina State University, USA, 2008
  • Best Student Paper Award, Fiber Society Conference, USA, 2004
  • Doctoral Scholarship, Ministry of Education, Youth, and Sports, Govt. of Czech Republic, Czech Republic, 2002
  • DAAD Scholarship, German Academic Exchange Service, 2001
  • All India First, Textile Engineering & Fiber Science, GATE-1999
  • University First, Bachelor of Textile Technology Program, University of Calcutta, 1999
  • Precitex Award, Precision Rubber Industries Private Limited, India, 1999
  • Debabrata Bhattacharyya Memorial Prize, University of Calcutta, 1998

R & D Projects

  • Project Title: Studies on Multi-component Fibrous Filters for Air Filtration

    Princiipal Investigator: Dipayan Das
    Sponsoring Agency: DST (Fast Track Young Scientist Scheme)
    Start Year: 2009
    End Year: 2012

  • Project Title: Nonwovens Research Laboratory

    Principal Investigator: R. S. Rengasamy
    Co-Investigator: Amit Rawal and Dipayan Das
    Sponsoring Agency: DST (FIST)
    Start Year: 2009
    End Year: 2014

  • Project Title: Development of natural fibre sorbents for separation of oil from oil-water

    Principal Investigator: R. S. Rengasamy
    Co-Investigator: Dipayan Das
    Sponsoring Agency: DST
    Start Year: 2010
    End Year: 2013

  • Project Title: Study of aerosol filtration behavior of electret fibrous filters

    Principal Investigator: Dipayan Das
    Co-Investigator: Apurba Das
    Sponsoring Agency: CSIR
    Start Year: 2010
    End Year: 2013

  • Project Title: Development of novel equipment and methodology for evaluation of fibre orientation in slivers

    Principal Investigator: S. M. Ishtiaque
    Co-Investigator: Dipayan Das
    Sponsoring Agency: CSIR
    Start Year: 2013
    End Year: 2015

  • Project Title: An experimental and numerical study on the mechanics of nonwovens

    Principal Investigator: Dipayan Das
    Co-Investigator: M. K. Singha
    Funding Agency: CSIR
    Start Year: 2013
    End Year: 2016

  • Project Title: Natural fiber reinforced random composites

    Principal Investigator: Samrat Mukhopadhyay
    Co-Investigator: Dipayan Das
    Sponsoring Agency: CSRI
    Start Year: 2013
    End Year: 2016

  • Project Title: Development of fibrous filter media to inhibit particle bounce and re-entrain in automotive engine intake air filtration

    Principal Investigator: Dipayan Das
    Co-Investigator: S. M. Ishtiaque
    Sponsoring Agency: SERB
    Start Year: 2016
    End Year: 2019

  • Project Title: Novel biodegradable nonwoven composites for automotive application

    Principal Investigator: Dipayan Das
    Sponsoring Agency: CSIR
    Start Year: 2016
    End Year: 2019

  • Project Title: Development of an evaporative cooling garment for enhanced thermal protection against extreme climates

    Principal Investigator: Dipayan Das
    Co-Investigator: V. K. Kothari, R. S. Rengasamy, R. Chattopadhyay
    Sponsoring Agency: DRDO
    Start Year: 2016
    End Year: 2019

  • Project Title: Evaluation of Particulate Filters for Automotive Applications

    Principal Investigator: Dipayan Das
    Co-Investigator: V. V. Buwa
    Sponsoring Agency: IRD, IIT Delhi (FIRP Scheme)
    Start Year: 2017
    End Year: 2019

  • Project Title: Development of roller carding machine for manufacturing of nonwovens

    Principal Investigator: Dipayan Das
    Co-Investigator: S. M. Ishtiaque
    Sponsoring Agency: DHI
    Start Year: 2017
    End Year: 2020

  • Project Title: Fabrication and Integration of chemical, Gas, and physiological monitoring sensors on textile substrates

    Principal Investigator: Anuj Dhawan
    Co-Investigator: M. Suri, A. Kumar, K. Sen, Dipayan Das
    Sponsoring Agency: JATC-DRDO (Textile Vertical)
    Start Year: 2017
    End Year: 2022

  • Project Title: Design and development of extreme heat protective clothing for defense application

    Principal Investigator: Apurba Das
    Co-Investigator: P. Talukdar, R. S. Rengasamy, R. Alagirusamy, dipayan Das, S. Mukhopadhyay
    Sponsoring Agency: JATC-DRDO (Textile Vertical)
    Start Year: 2017
    End Year: 2022

  • Project Title: Design and development of extreme cold climate clothing for defense personnel

    Principal Investigator: R. S. Rengasamy
    Co-Investigator: P. Talukdar, Apurba Das, R. Alagirusamy, dipayan Das, S. Mukhopadhyay
    Sponsoring Agency: JATC-DRDO (Textile Vertical)
    Start Year: 2017
    End Year: 2022

Training Programmes

  • Title: One-day Symposium on Needlepunched Nonwovens: Manufacturing, Characterization, and Application

    Organizer: Dept. of Textile Technology, IIT Delhi (Under the aegis of FITT, IIT Delhi)
    Coordinators: R. S. Rengasamy and Dipayan Das
    Date: December 17, 2011
    Place: Dept. of Textile Technology, IIT Delhi

  • Title: QIP Short-term Course on Fundamentals of Textile Machines and Mechanisms

    Organizer: Dept. of Textile Technology, IIT Delhi
    Coordinators: Dipayan Das and S. M. Ishtiaque
    Date: June 21-25, 2010
    Place: Dept. of Textile Technology, IIT Delhi

  • Title: QIP/CEP Short-term Course on Nonwoven Processes and Products

    Organizer: Dept. of Textile Technology, IIT Delhi
    Coordinators: R. S. Rengasamy and Dipayan Das
    Date: May 12-17, 2014
    Place: Dept. of Textile Technology, IIT Delhi

  • Title: TEQIP Short Term Course on Product and Process Optimization Using Designed Experiments

    Organizer: Dept. of Textile Technology, IIT Delhi
    Coordinator: Dipayan Das
    Date: March 18-20, 2016
    Place: Dept. of Textile Technology, IIT Delhi

Conferences

  • Title: International Conference on Polymeric Biomaterials, Bioengineering & Biodiagnostics

    Organizer: IIT Delhi and ENEA, Rome, Italy
    Secretary: Dipayan Das
    Date: October 27-30, 2014
    Place: Radisson Blu Hotel, Dwarka, New Delhi

  • Title: APA International Conference on Polymers: Vision and Innovations

    Organizer: IIT Delhi and Asian Polymer Association
    joint Secretary: Dipayan Das
    Date: February 19-21, 2014
    Place: India Habitat Center, New Delhi

  • Title: 3rd Indo-Czech Textile Research Conference

    Organizer: Textile Faculty, Technical University of Liberec, Czech Republic
    Organizing Secretary: D. Das
    Date: June 14-16, 2004
    Place: Technical University of Liberec, Czech Republic

  • Title: International Conference on Advances in Polymer Science & Technology

    Organizer: IIT Delhi and Asian Polymer Association
    Date: October 27-30, 2014
    Place: Radisson Blu Hotel, Dwarka, New Delhi

  • Title: International Conference on Advances in Polymer Science & Technology

    Organizer: IIT Delhi and Asian Polymer Association
    Date: November 23-25, 2017
    Place: Radisson Blu Hotel, Dwarka, New Delhi

NPTEL Courses 

  • Course Title: Nonwoven Technology

    Prepared by: Dipayan Das
    Nature of Course: Web (40 hours equivalent)
    Funded by: Ministry of Human Resource Development, Govt. of India

  • Course Title: Quality Control for Textile Industry

    Prepared by: Dipayan Das
    Nature of Course: Web (40 hours equivalent)
    Funded by: Ministry of Human Resource Development, Govt. of India

Publications

BOOKS :

  • Theory of Structure and Mechanics of Yarns, Neckář, B. and Das, D., Woodhead Publishing India Pvt. Ltd., New Delhi (Authored, In Press)
  • Introduction to Statistical Methods, Design of Experiments and Statistical Quality Control, Dharmaraja, S. and Das, D., Springer (Authored, In Press)
  • Composite Nonwoven Materials: Structures, Properties and Applications, Das, D. and Pourdeyhimi, B., Woodhead Publishing Ltd., UK, 2014 (Edited)
  • Theory of Structure and Mechanics of Fibrous Assemblies, Neckář, B. and Das, D., Woodhead Publishing India Pvt. Ltd., New Delhi, 2012 (Authored)

BOOK CHAPTERS :

  • Introduction to composite nonwovens, Das, D., Composite Nonwoven Materials: Structures, Properties and Applications, Editors: Das, D. and Pourdeyhimi, B., Woodhead Publishing Ltd., UK, 2014
  • Composite nonwovens in hygiene products, Das, D., Composite Nonwoven Materials: Structures, Properties and Applications, Editors: Das, D. and Pourdeyhimi, B., Woodhead Publishing Ltd., UK, 2014
  • Structure of composite nonwovens, Das, D. and Neckář, B., Composite Nonwoven Materials: Structures, Properties and Applications, Editors: Das, D. and Pourdeyhimi, B., Woodhead Publishing Ltd., UK, 2014
  • Properties of composite nonwovens, Das, D., Composite Nonwoven Materials: Structures, Properties and Applications, Editors: Das, D. and Pourdeyhimi, B., Woodhead Publishing Ltd., UK, 2014

MONOGRAPHS :

  • Flexible non-metallic electro-conductive textiles, Maiti, S., Das, D., and Sen, K., Textile Progress, 49, 1-52, 2017
  • Composite nonwovens, Das, D., Pradhan, A. K., Chattopadhyay, R. and Singh, S. N., Textile Progress, Taylor & Francis, UK, 2012

JOURNALS :

  • A comparative study on filtration performance of mono-, bi-, and multi-constituent nonwoven air filter media, Pradhan, A. K. and Das, D., Journal of Textile Institute, 2018, DOI: 10.1080/00405000.2018.1423885 [Impact Factor = 1.128]
  • Kumar, N. and Das, D., Nonwoven geotextiles from nettle and poly(lactic acid) fibers for slope stabilization using bioengineering approach, Geotextiles and Geomembranes, 46, 206-213, 2018 [Impact Factor = 2.366]
  • Effect of fiber orientation on tensile behavior of biocomposites prepared from nettle and poly(lactic acid) fibers: Modeling & Experiment, Kumar, N., Das, D., and Neckár, B., Composites Part B, 138, 113-121, 2018 [Impact Factor = 4.727]
  • Air-borne particle capture by fibrous filter media under collision effect: A CFD-based approach, Maddineni, A. K., Das, D., Damodaran, R. M., Separation and Purification Technology, 193, 1--10, 2018 [Impact Factor = 3.359]
  • Kumar, N. and Das, D., Nonwoven geotextiles from nettle and poly(lactic acid) fibers for slope stabilization using bioengineering approach, Geotextiles and Geomembranes, Geotextiles and Geomembranes, 46, 206-213, 2018 [Impact Factor = 2.366]
  • An assessment of dynamics of electrochemical polymerization of pyrrole, Maiti, S., Das, D., and Sen, K., Journal of Textile Institute, 2017, DOI: 10.1080/00105000.2017.1422963) [Impact Factor = 1.128]
  • Fibrous biocomposites from nettle (Girardinia diversifolia) and poly(lactic acid) fibers for automotive dashboard panel application, Kumar, N. and Das, D., Composites Part B, 130, 54-63, 2017 [Impact Factor: 4.727]
  • Inhibition of particle bounce and re-entrainment using oil-treated filter media for automotive engine intake air filtration, Maddineni, A. K., Das, D., Damodaran, R. M., Powder Technology, 322, 369-377, 2017 [Impact Factor = 2.759]
  • Studies on air permeability of multi-constituent nonwovens, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., Journal of Textile Institute, 108, 788-793, 2017 [Impact Factor = 1.128]
  • Alkali treatment on nettle fibers, Part I: Investigation of chemical, structural, physical, and mechanical characteristics of alkali-treated nettle fibers, Kumar, N. and Das, D., Journal of Textile Institute, 108, 1461-1467, 2017, [ Impact Factor = 1.128]
  • Alkali treatment on nettle fibers, Part II: Enhancement of tensile properties using design of experiment and desirability function approach, Kumar, N. and Das, D., Journal of Textile Institute, 1468-1475, 2017 [ Impact Factor = 1.128]
  • Tensile behavior of staple fiber yarns, Part I: Theoretical models, Neckár, B. and Das, D., Journal of Textile Institute, 108, 922-930, 2017 [Impact Factor = 1.128]
  • Tensile behavior of staple fiber yarns, Part II: Model Validation, Zubair, M., Neckár, B. and Das, D., Journal of Textile Institute, 108, 931-934, 2017 [Impact Factor = 1.128]
  • Recipe optimization for sugarcane bagasse fibre reinforced soy protein biocomposite, Singh, V. K., Mukhopadhyay, S., and Das, D., Indian Journal of Fibre & Textile Research, 42, 132-137, 2017 [Impact Factor = 0.420]
  • On the triboelectrically charged nonwovens for air filtration, Das, D. and Waychal, A., Journal of Electrostatics, 83, 73-77, 2016 [Impact Factor = 1.286]
  • Optimization study to improve filtration behavior of electret filter media, Thakur, R., Das, D., and Das, A., Journal of Textile Institute, 107, 1456-1462, 2016 [Impact Factor = 1.128]
  • Book Review - Handbook of Technical Textiles, Vol. 2: Technical Textile Processes, Das, D., Indian Journal of Fibre & Textile Research, 41, 226-227, 2016 [Impact Factor = 0.420]
  • An approach of optimal designing of nonwoven air filter media: Effect of fiber fineness, Pradhan, A. K., Das, D. Chattopadhyay, R., and Singh, S. N., Journal of Industrial Textiles, 45(6), 1308-1321,2016 [Impact Factor = 1.12]
  • A combined Taguchi and response surface approach to improve electret charge in corona-charged fibrous electrets, Thakur, R. and Das, D., Fibers & Polymers, 11, 1790-1800, 2016 [Impact Factor = 1.022]
  • Studies on needle-punched natural and polypropylene fibre nonwovens as oil sorbents, Rengasamy, R. S., Renuka, S., Das, D., Journal of Industrial Textiles 46, 1121-1143, 2016 [Impact Factor = 1.12]
  • Hairiness of staple fibre yarns, Part I: Mathematical modeling, Neckár, B., Das, D., and Krupincová, G., Journal of Textile Institute, 3, 332-337, 2015 [Impact Factor = 1.128]
  • Hairiness of staple fibre yarns, Part II: Model validation, Krupincová, G., Neckár, B., and Das, D., Journal of Textile Institute, 3, 338-345, 2015 [Impact Factor = 1.128]
  • Spatial charge distribution in fibrous dielectrics, Thakur, R., Das, D., Das, A., and Reddy, C. C., Journal of Electrostatics, 76, 1-7, 2015 [Impact Factor = 1.286]
  • Influence of fiber cross-sectional shape on air permeability of nonwovens, Das, D., Ishtiaque, S. M., and Das, S., Fibers and Polymers 16, 79-85, 2015 [Impact Factor = 1.022]
  • Characterization of electro-conductive fabrics prepared by in situ chemical and electrochemical polymerizations of pyrrole onto polyester fabric, Maiti, S., Das, D. and Sen, K., Materials Science and Engineering: B, 96-101, 2014 [Impact Factor = 2.331]
  • Optimization of charge storage in corona-charged fibrous electrets, Thakur, R., Das, D., and Das, A., Journal of Textile Institute, 105, 676-684, 2014 [Impact Factor=0.725]
  • Optimal design of nonwoven air filter media: Effect of fiber shape, Das, D., Das, S., and Ishtiaque, S. M., Fibers and Polymers, 2014 (Accepted) [Impact Factor=0.912]
  • Evaluation of fibre orientation in fibrous webs, Das, D., Ishtiaque, S. M., and Yadav, S., Indian Journal of Fibre & Textile Research 39, 9-13, 2014 [Impact Factor=0.486]
  • Study of charge decay in corona-charged fibrous electrets, Thakur, R., Das, D., and Das, A., Fibers and Polymers, 2014 (Accepted) [Impact Factor=0.912]
  • Effect of 3D fibre orientation distribution on particle capture efficiency of anisotropic fibre networks, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., Powder Technology, 249, 205-207, 2013 [Impact Factor=2.024]
  • Liquid absorption behavior of superabsorbent fibre based nonwoven media, Das, D., Rengasamy, R. S., Kumar, M., Fibers and Polymers, 14, 7, 1165-1171, 2013 [Impact Factor=0.912]
  • Modeling and experimental studies of air permeability of nonuniform nonwoven fibrous porous media, Das, D., Ishtiaque, S. M., AjabRao, S. V., Pourdeyhimi, B., Fibers and Polymers, 14, 3, 494-499, 2013 [Impact Factor=0.912]
  • Studies on electro-conductive fabrics prepared by in-situ chemical polymerization of mixtures of pyrrole and thiophene, Das, D., Sen, K., Maity, S., Fibers and Polymers, 14, 3, 345-351, 2013 [Impact Factor=0.912]
  • Exponentially autocorrelated mass distribution of staple fiber yarns, Das, D., Ishtiaque, S. M., Dhote, H. P. Fibres and Polymers, 14, 3, 488-493, 2013 [Impact Factor=0.912]
  • Taguchi analysis of fabric shrinkage, Das, D. and Thakur, R., Fibers and Polymers, 14, 3, 482-487, 2013 [Impact Factor=0.912]
  • Electret air filters, Thakur, R., Das, D., and Das, A., Separation and Purification Reviews 42, 87-129, 2013 [Impact Factor=3.154]
  • Preparation and optimization of Flax/PLA yarn performs for development of biocomposites, Kaur, H., Das, D., Ramaswamy, S., Aslam, B., and Gries, T., Melliand International, 19, 86, 2013
  • Electrochemical polymerization of pyrrole: Key process control parameters, Maity, S., Das, D., and Sen, K., Journal of The Electrochemical Society, 159, E154-E158, 2012 [Impact Factor=2.588]
  • Optimization of corona discharge process using Box-Behnken design of experiments, Das, D., Thakur, R., and Pradhan, A. K., Journal of Electrostatics, 70, 469-473, 2012 [Impact Factor=1.000]
  • Mixed fibrous filter media for separation of most penetrating particles, Das, D., Pradhan, A. K., Chattopadhyay, R., and Singh, S. N., Journal of Environmental Research and Development, 7, 146-152, 2012
  • Effect of 3D fiber orientation distribution on transverse permeability of fibrous porous media, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., Powder Technology 221, 101-104, 2012 [Impact Factor=2.024]
  • Studies on electro-conductive yarns prepared by in-situ chemical and electrochemical polymerization of pyrrole, Maiti, S., Das, D., Sen, K., Journal of Applied Polymer Science 123, 455-462, 2012 [Impact Factor=1.289]
  • Optimization of micro injection molding process with respect to tensile properties of polypropylene, Pal, R., Mukhopadhyay, S., and Das, D., Indian Journal of Fiber and Textile Research 37, 11-15, 2012 [Impact Factor=0.486]
  • Modeling of fiber orientation in fibrous materials, Neckář, B. and Das, D., Journal of Textile Institute, 103, 330-340, 2012 [Impact Factor=0.725]
  • A mathematical model of fiber orientation in slivers, Neckář, B., Das, D., Ishtiaque, S. M., Journal of Textile Institute 103, 463-476, 2012 [Impact Factor=0.725]
  • Influence of carding and drawing processes on fiber orientation in slivers, Das, D., Ishtiaque, S. M., Dixit, P., Journal of Textile Institute 103, 676-686, 2012 [Impact Factor=0.725]
  • Optimization of fiber composition in natural fiber reinforced composites using a simplex lattice design, Das, D., Mukhopadhyay, S., Kaur, H., Journal of Composite Materials, 46, 3311-3319, 2012 [Impact Factor=0.936]
  • Optimization of fiber-water dispersion process using Box-Behnken design of experiments coupled with response surface methodology of analysis, Das, D., Butola, B. S., Renuka, S., Journal of Dispersion Science and Technology, 33, 1116-1120, 2012 [Impact Factor=0.600]
  • An investigation into fiber dispersion behavior in water with reference to wet-lay nonwoven technology, Das, D., Butola, B. S., Renuka, S., Journal of Dispersion Science and Technology, 33, 1225-1232, 2012 [Impact Factor=0.600]
  • Dependence of liquid absorption behavior of nonwovens on their material and structural characteristics: Modeling and Experiments, Das, D., Pradhan, A. K., Pourdeyhimi, B., Journal of Applied Polymer Science, 126, 1053-1060, 2012 [Impact Factor=1.289]
  • Study of oil sorption behavior of filled and structured fiber assemblies made from polypropylene, kapok, and milkweed fibers, Rengasamy, R. S., Das, D., Prabakaran, C., Journal of Hazardous Materials, 186(1), 526-532, 2011 [Impact Factor=3.925]
  • Oil spill cleanup by structured fiber assembly: a review, Praba Karan C., Rengasamy, R. S., and Das, D., Indian Journal of Fiber and Textile Research, 36, 190-200, 2011 [Impact Factor=0.486]
  • Use of textile composites in vibration damping application, Mukhopadhyay, S., Das, D., and Pal, R., Textile Review, 6, 94-96, 2011
  • Compression and recovery behaviors of highloft nonwovens, Das, D. and Pourdeyhimi, B., Indian Journal of Fiber and Textile Research, 35, 303-309, 2010 [Impact Factor=0.486]
  • Experimental studies on electro-conductive fabric prepared by in-situ polymerization of thiophene onto polyester, Das, D., Sen, K., Saraogi, A., and Maity, S., Journal of Applied Polymer Science, 116, 3555-3561, 2010 [Impact Factor=1.289]
  • Studies on fiber openness using image analysis technique, Das, D., Ishtiaque, S. M., Mishra, P., Indian Journal of Fiber and Textile Research, 35, 15-20, 2010 [Impact Factor=0.486]
  • Modeling of yarn shrinkage due to washing, Neckář, B. and Das, D., Journal of Textile Institute, 98, 479 - 482, 2007 [Impact Factor=0.725]
  • Modeling of radial fiber migration in yarns, Neckář, B., Soni, M. K., and Das, D., Textile Research Journal, 76, 486 - 491, 2006 [Impact Factor=1.135]
  • Mechanics of parallel fiber bundles, Neckář, B. and Das, D., Fibers & Textile in Eastern Europe, 14, 23 - 28, 2006 [Impact Factor=0.801]
  • Yarn strength behavior at different gauge lengths, Das, D. and Neckář, B., Indian Journal of Fiber and Textile Research, 30, 414 - 420, 2005 [Impact Factor=0.486]
  • Autocorrelation function of yarn unevenness, Neckář, B. and Das, D., Indian Journal of Fiber and Textile Research, 30, 421 - 430 , 2005 [Impact Factor=0.486]
  • A Methodology for better characterization of yarn strength, Das, D. and Neckář, B., Melliand International, 11, 104 - 106, 2005
  • Yarn strength as a function of gauge length–a critical review, Das, D., Vlákna a Textil (Fiber and Textile), 12, 7 - 12 , 2005
  • Application of artificial neural network for prediction of rotor-spun yarn properties, Das, D., Ishtiaque S. M., Mac, T., Veit, D., and Thomas, G., Melliand International, 10, 183 - 185, 2004
  • Evaluation of the best method of fiber blending on Uster MDTA 3, Das, D., Ishtiaque S. M., Mac, T., Veit, D., and Thomas, G., Melliand International, 10, 110 - 113, 2004
  • Raw material characteristics vis-à-vis rotor spinning technology: a review, Das, D., Vlákna a Textil (Fiber and Textile), 11, 94 - 98, 2004
  • Influence of drawing parameters on the quality of single worsted yarn, Banerjee, S., Das, D., Bodhak, T. K., and Chandra, A., Man Made Textiles in India, 43, 170 - 173, 2003

CONFERENCES :

  • Evolution of filtration performance of nonwoven filter media for automotive engine air intake filtration, Maddineni, A., Das, D., Yadav, S., and Damodaran, R. M., International Conference on Advances of Polymer Science and Technology, New Delhi, India 2017 (Invited Lecture)
  • Novel biocomposites prepared from nettle and poly(lactic acid) fibers, Kumar, N. and Das, D., International Conference on Advances of Polymer Science and Technology, New Delhi, India 2017 (Poster)
  • Particle filtration behavior of automotive engine intake air filter media, Maddineni, A., Das, D., and Damodaran, R. M., 44th Textile Research Symposium, New Delhi, India 2016 (Oral)
  • Optimization of alkali treatment of nettle fibers, Kumar, N. and Das, D., 44th Textile Research Symposium, New Delhi, India 2016 (Oral)
  • Corona-charged fibrous electrets for air filtration, Thakur, R., Das, D., and Das, A., 44th Textile Research Symposium, New Delhi, India 2016 (Oral)
  • A novel approach to quantify fiber orientation in slivers, Kumar, N, Das, D, and Ishtiqaue, S. M., Global Challenges - Role of Sciences & Technology in Imparting Their Solutions, GCRSTS-2016, April 23-24, 2016 (Oral).
  • Charge storage in fibrous electrets, Thakur, R., Das, D., Das, A., and Reddy, C. C., Redefining Textiles: Cutting edge technology of the future, RTCT-2016, April 8-10, 2016, Jalandhar (Oral).
  • Influence of fiber shape on filtration performance of nonwoven air filter media, Ishtiaque, S. M., Das, D., and Das, S., Redefining Textiles: Cutting edge technology of the future, RTCT-2016, April 8-10, 2016, Jalandhar (Oral).
  • Electro-conductive textiles as pressure sensors, Reja, N., Das, D., and Sen, K., Redefining Textiles: Cutting edge technology of the future, RTCT-2016, April 8-10, 2016, Jalandhar (Oral).
  • A novel equipment and methodology for determination of fibre orientation in slivers, Das, D., and Ishtiaque, S. M., Kumar, N., Redefining Textiles: Cutting edge technology of the future, RTCT-2016, April 8-10, 2016, Jalandhar (Oral).
  • Numerical modeling of tensile behavior of needle-punched nonwovens, Jaiswal, G., Singha, M. K., Das, D., Redefining Textiles: Cutting edge technology of the future, RTCT-2016, April 8-10, 2016, Jalandhar (Oral).
  • Electret nonwoven filter media, Das, D., 1st Textile Academia Conference, New Delhi, India, February 17-18, 2016 (Oral).
  • Enhancement of tensile properties of nettle fibers by alkali treatment, Kumar, N. and Das, D., 1st Textile Academia Conference, New Delhi, India, February 17-18, 2016 (Poster).
  • Experimental and numerical study on automotive pleated air filters, Maddineni, A., Das, D., Damodaran, R., SAE Technical Paper 2016-28-0100, 2016, doi: 10.4271/2016-28-0100, 9th International Mobility Conference, February 8-10, 2016, New Delhi, India (Oral).
  • Chemical and electrochemical polymerization of mixtures of pyrrole and thiophene onto polyester fabric: Performance characterization, Sen, K., Das, D., and Singh, K., 5th SmarTex Conference, 2015, Egypt, November 23-25, 2015 (Oral).
  • Natural fibre-based oil sorbents for oil spill clean-up, Renuka, S., Rengasamy, R. S., and Das, D., International Conference on Advances in Functional, Innovative and Smart Textiles, Coimbatore, December, 10-12, 2015, (Poster).
  • Studies on corona-charged polypropylene fibrous electrets, Thakur, R., Das, D., and Das, A., International Conference on Technical Textiles and Nonwovens, Indian Institute of Technology Delhi, New Delhi, November 6-8, 2014 (Oral).
  • Optimization of needlepunching process parameters to enhance the oil sorption capacity and handling strength of oil sorbent, Renuka, S., Rengasamy, R. S., and Das, D., International Conference on Technical Textiles and Nonwovens, Indian Institute of Technology Delhi, New Delhi, November 6-8, 2014 (Oral).
  • Effect of layering interface on filtration performance of nonwoven filter media, Pradhan, A. K., Das, D., Chattopadhyay, R., Singh, S. N., International Conference on Technical Textiles and Nonwovens, Indian Institute of Technology Delhi, New Delhi, November 6-8, 2014 (Oral).
  • The chemical and electrochemical polymerization of pyrrole on textile: A comparison, Maiti, S., Das, D., and Sen, K., International Conference on Technical Textiles and Nonwovens, Indian Institute of Technology Delhi, New Delhi, November 6-8, 2014 (Oral).
  • Nonwoven oil sorbing pads from sustainable fibrous materials for marine oil spill removal, Rengasamy, R. S., Das, D., and Renuka, S., 37th AMOP Technical Seminar on Environmental Contamination and Response, Canada, June 3-5, 2014 (Oral)
  • Electret fibrous media: Development, characterization and application, Thakur, R., Das, D., and Das, A., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Studies on compression-induced permeability and filtration behavioures of nonwoven air filter media, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Studies on natural fiber oil sorbents for marine oil spill removal, Renuka, S., Das, D., and Rengasamy, R. S., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Flexible electro-conductive non-metallic textile yarns: The potential application as sensors, Maity, S., Das, D., and Sen, K., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Electret fibrous materials: Development, characterization, and application, Das, D and Thakur, R., Asian Polymer Association, 2014, New Delhi, 2014 (Oral)
  • Charge decay behaviour of corona-charged polypropylene film and fibrous electrets, Thakur, R. and Das, D., Asian Polymer Association, 2014, New Delhi, 2014 (Poster)
  • Bagasse fibers: Properties and characterization, Singh, V. K., Mukhopadhyay, S., and Das, D., Asian Polymer Association, 2014, New Delhi, 2014 (Poster)
  • Flexible electro-conductive non-metallic textile yarns: The potential application as sensors, Maity, S., Das, D., and Sen, K., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Electret fibrous media: Development, characterization and application, Thakur, R., Das, D., and Das, A., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Studies on compression-induced permeability and filtration behavioures of nonwoven air filter media, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Studies on natural fiber oil sorbents for marine oil spill removal, Renuka, S., Das, D., and Rengasamy, R. S., International Conference on Emerging Trends in Traditional and Technical Textiles, Jalandhar, 2014 (Oral)
  • Fibre orientation induced mechanics of fibrous assemblies, Neckar, B. and Das, D., The Twenty-second Annual International Conference on Composites/Nano Engineering (ICCE-22), Malta, 2014 (Accepted for oral presentation)
  • Air permeability of multi-constituent nonwovens, Das, D., Pradhan, A. K., Chattopadhyay, R., and Singh, S. N., Fibre Society Spring 2014 Conference, Liberec, Czech Republic, 2014 (Accepted for oral presentation)
  • Optimal design of nonwoven air filter media: Effect of fibre shape, Ishtiaque, S. M., Das, D., and Das, S., Fibre Society Spring 2014 Conference, Liberec, Czech Republic, 2014 (Accepted for poster presentation)
  • Study on charge decay behaviour of corona charged electret fibrous media, Thakur R., Das, D., Das, A., 13 th Asian Textile Conference, Shanghai, China, 2013 (Oral)
  • Optimization of fibre composition in nonwoven air filter media, Chattopadhyay, R., Das, D., Pradhan, A. K., The Fibre Society Spring 2013 Conference, Geelong Victoria, Australia, 2013 (Oral)
  • In situ electrochemical polymerization of pyrrole onto textiles: Influence of add-on and surface roughness, Sen, K., Das, D., Maiti, S., The Fibre Society Spring 2013 Conference, Geelong Victoria, Australia, 2013 (Oral)
  • Electret fibrous air filter media, Thakur, R., Das, D., and Das, A., Twenty-sixth National Convention of Textile Engineers, Bhopal, India, 2013 (Oral)
  • Polymer electret fibrous media: Development, characterization, and application, Thakur, R., Das, D., and Das, A., International Conference on Polymers on The Frontiers of Science and Technology, Asian Polymer Association-2013, Chandigarh, India, 2013 (Poster)
  • Air filtration behaviour of electret fibrous filter media, Thakur, R., Das, D., and Das, A., Young Researcher’s Symposium, IIT Delhi, 2013 (Oral)
  • Studies on composite nonwoven liquid absorbent media, Das, D., Rengasamy, R. S., and Kumar, M., 41 st Textile Research Symposium, Portugal, 2012 (Oral)
  • Studies on flexible conductive non-metallic textile fabrics, 41 st Textile Research Symposium, Sen, K., Das, D., and Maiti, S., Portugal, 2012 (Oral)
  • Fibre orientation induced mechanical anisotropy in needlepunched nonwovens, Ishtiaque, S. M., Das, D., and Yadav, SThe Fibre Society Spring 2012 Conference, Switzerland, 2012 (Oral)
  • Studies on multi-component nonwoven filter media, Chattopadhyay, R., Das, D., and Pradhan, A. K., The Fibre Society Spring 2012 Conference, Switzerland, 2012 (Oral)
  • Dynamics of electrochemical polymerization of pyrrole, Sen, K., Das, D., Maiti, S., The Fibre Society Spring 2012 Conference, Switzerland, 2012 (Oral)
  • Design strategy of respirator filters, Das, D., Pradhan, A. K., Thakur, R., Healthcare India 2012, New Delhi, India, 2012 (Oral)
  • Simulation of bacterial filtration efficiency of multicomponent fibrous filter media, Pradhan, A. K., Das, D., Chottopadhyay, R., Singh, S. N., Healthcare India 2012, New Delhi, India, 2012 (Poster)
  • Electrostatic charge decay of electret fibrous filters for air-purifying respirators, Thakur, R., Das, D., and Pradhan, A. K., Healthcare India 2012, New Delhi, India, 2012 (Poster)
  • A Mathematical Model of Evaluation of Fiber Orientation in Slivers, Neckář, B, Das, D., Ishtiaque, S. M., 11 th Asian Textile Conference, Daegu, Korea, 2011 (Oral)
  • Flexible electrically-conducting non-metallic textile fabrics: The journey thus far, Sen, K., Das, D., and Maiti, S., 11 th Asian Textile Conference, Daegu, Korea, 2011 (Oral)
  • Optimization of quality factor of nonwovens by DOE-RSM approach, Pradhan, A. K., Das, D., Chottopadhyay, R., Singh, S. N., 11 th Asian Textile Conference, Daegu, Korea, 2011 (Oral)
  • Mixed fibrous filter media for separation of most penetrating particles, Pradhan, A. K., Das, D., Chottopadhyay, R., Singh, S. N., International Congress on Environmental Research, Surat, India, 2011 (Oral)
  • Fiber Orientation in Sliver, Ne ckar,B., Das, D., and Ishtiaque S. M., Proceedings of 18th international conference STRUTEX, 9-15, Liberec, Czech Republic, 2011 (Oral)
  • Innovations in Nonwoven Products and Processes, Das, D, Twenty-third Convention of Textile Engineers on “ Innovation in Textile Products, Processes and Machines – Key to Success and Growth” , New Delhi, India, 2010 (Invited Lecture)
  • Study of oil sorption behavior of oil sorbent fibrous materials, Praba Karan, C., Rengasamy, R. S., and Das, D., Twenty-third Convention of Textile Engineers on “ Innovation in Textile Products, Processes and Machines – Key to Success and Growth” , New Delhi, India, 2010 (Oral)
  • Simulation of filtration performance of nonwoven filter media: effect of fibre shape, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., 4 th International Conference on Technical Textiles and Nonwovens, New Delhi, India, 2010 (Oral)
  • Effect of fibre geometry on the permeability of nonwoven filter media: simulation studies, Pradhan, A. K., Das, D., Chattopadhyay, R., and Singh, S. N., 39 th Textile Research Symposium, New Delhi, India, 2010 (Poster)
  • Study of dispersion of fibers in water with reference to wet-lay technology, Renuka, S., Das, D., and Butola, B. S., 4 th International Conference on Technical Textiles and Nonwovens, New Delhi, India, 2010 (Poster)
  • Electro conductive textiles prepared by chemical in-situ polymerization, Maiti, S., Saraogi, A., Das, D., and Sen, K., Polymer Congress “APA-2009”, New Delhi, India, 2009 (Oral)
  • Modeling the tensile behavior of fibrous bundles, Neckář, B. and Das, D., Autex World Textile Conference, Izmir, Turkey, 2009 (Oral)
  • Spatial structural variation in nonwovens and its effects on filtration, Pourdeyhimi, B. and Das, D., International Nonwovens Technical Conference, Houston, USA, 2008 (Oral)
  • Mathematical modeling and experimental investigation of yarn strength as a stochastic process, Das, D., Fiber Society Annual Meeting and Technical Conference, Ithaca, USA, 2004 (Oral)
  • A stochastic approach to yarn strength, Das, D. and Neckář, B., 7 th Asian Textile Conference, New Delhi, India, 2003 (Oral)
  • Investigation of a suitable blending technique on Uster MDTA 3, Das, D. and Ishtiaque, S. M., 5 th International Conference TEXSCI Liberec, Czech Republic, 2003 (Oral)

Patents

  • Title: System and device for measuring the compression properties of textiles

    Investigators: S. M. Ishtiaque, Kushal Sen, A. Kumar, Dipayan Das
    Indian Patent Application No.: 201611014157
    Date of Publication: October 27, 2017
    Journal: Official Journal of The Patent Office, No. 43/2017

  • Title: A process for electrochemical polymerization onto fabrics

    Investigators: Kushal Sen, Dipayan Das, Syamal Maiti
    Indian Patent Application No.: 2167/DEL/2015
    Date of Publication: January 20, 2017
    Journal: Official Official Journal of The Patent Office, No. 03/2017

  • Title: A device for measurement of electrical properties of electro-conductive fabrics

    Investigators: Kushal Sen, Dipayan Das, Syamal Maiti
    Indian Patent Application No.: 1874/DEL/2015
    Date of Publication: December 30, 2016
    Journal: Official Journal of The Patent Office, No. 54/2016

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