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R. S. Rengasamy

Professor & Head of the Department

Ph.D. (IIT Delhi)

Dr. R.S. Rengasamy is Professor in the Department of Textile Technology, Indian Institute of Technology Delhi. He joined Department of Textile Technology as Assistant Professor. He completed his Ph.D. for IIT Delhi.


Biography

Dr. R.S. Rengasamy is Professor in the Department of Textile Technology, Indian Institute of Technology Delhi. He joined Department of Textile Technology as Assistant Professor. He completed his Ph.D. for IIT Delhi.

Specialization

  1. Extreme Cold Climate Clothing
  2. Oil Spill Clean Up
  3. Mechanics of Textile Structures
  4. Thermal, Moisture and Liquid Transport in Textiles
  5. Garment Technology
  6. Yarn Manufacture

 Teaching Interest

  1. Yarn manufacture
  2. Mechanics of Spinning Process
  3. Mechanics of Spinning machines
  4. Theory of Yarn Structures
  5. Management of Textile Production
  6. Costing and its Applications to Textiles
  7. Project Appraisal & Finance

R & D Projects

 

Sponsored Research Projects
  1. Design and development of extreme cold climate clothing for defense personnel, DRDO (Under SITEX, JATC), 2017-2022. Co-PIs Alagirusamy, R. Apurba Das, Premachandran, Talukdar, P. Das, D. Mukhopadhyay, S, R. Chattopadhyay
  2. Design and development of extreme heat protective clothing for defense application, DRDO (Under SITEX, JATC), 2017-2022. PI: Das, A., Co-PIs: Talukdar, P. Rengasamy, R. S. Alagirusamy, R., Das, D., and Mukhopadhyay, S.
  3. Development of an evaporative cooling garment for enhanced thermal protection against extreme climates, PI: Das, D., Co-PIs: Kothari, V. K., Rengasamy, R. S. and Chattopadhyay, R., DRDO, DEBEL, Ministry of Defense, Govt. of India, 2016-2019.
  4. Development of Inherent Flame-Retardant Thermal Insulation Layer for Extreme Cold Weather Clothing, Co-PI: V. K. Kothari, DRDO, 2015-2018.
  5. Development of natural fibre sorbents for separation of oil from oil-water, DST 2010-2013. Co-PI: Dipayan Das.
  6. Development of an Instrument to measure Fabric Friction, DST 2009-2011. PI: V. K. Kothari.
  7. To strengthen the research in the Nonwoven textile area in the department, FIST, DST, 2009-2014.
  8. Engineering of Nonwoven structure for wetting applications, CSIR. Co-PI: V. K. Kothari, 2007-2010.
  9. On-Line Monitoring of Spinning Tension, DST. PI: R. Alagirusamy, 2002-2004.
  10. Development of a Novel Device to reduce Hairiness of Ring Spun Yarns, DST, Co-PI: V. K. Kothari, 2000-2003.
  11. Development of Multi-directional Performance Sewing Threads through Air-jet Texturing”, CSIR, Co-PI: V. K. Kothari. 1999-2002.

 Consultancy

Consultant Incharge: R. Rengasamy

Co. Consultants:

Sponsoring Agency: Veejaylakshmi Industries, Coimbatore

Start Year: 2006

End Year: 2008

 

Training Programes

  • Garment Technology

    Coordinator: R. S. Rengasamy
    Joint Coordinator(s): R. Alagirusamy
    Start Year: 1999
    End Year: 1999

Publications

Chapters Authored:
  1. R. S. Rengasamy, a chapter on ‘Composite Nonwovens in Wipes’ in ‘Composite nonwovens, edited by Dipayan Das and Behnam Pourdeyhimi “Woodhead Publishing Ltd., Cambridge, 2014, p-89-119.
  2. R.S Rengasamy, a chapter on, ‘Improving moisture management in apparel/Textiles’ in ‘Improving comfort in clothing’ (Edited by: Guowen Song) ‘Woodhead Publishing Ltd., Cambridge, 2011, p-182-215.
  3. R. S. Rengasamy, a chapter on, ‘Fundamental principles of ring spinning’, in ‘Fibre spinning: Advances in yarn spinning technology’ (Edited by: C. A. Lawrence), Woodhead Publishing Ltd., Cambridge, 2010, p-42-78.
  4. R. S. Rengasamy, a chapter on, ‘Developments in Ring spinning’, in ‘Fibre spinning: Advances in yarn spinning technology’ (Edited by: C. A. Lawrence), Woodhead Publishing Ltd., Cambridge, 2010, p-193-216.
  5. R. S. Rengasamy and S. Ghosh, a chapter on, ‘Technical sewing threads’ in ‘Technical Yarns’, (Edited by R. Alagirusamy and A. Das), Woodhead Publishing Ltd., Cambridge, 2010, p-.
  6. R. S. Rengasamy, a chapter on, ‘Wetting Phenomena in Fibrous Materials’ in ‘Thermal and Moisture Transport in Fibrous Materials’ (Edited by: N. Pan and P Gibson), Woodhead Publishing Ltd., Cambridge, 2006, p156-187.
  7. R. S. Rengasamy, a chapter on ‘Yarn Hairiness and Fabric Quality’, in ‘Quality Control’, edited by V. K. Kothari, March 2000, IIT Delhi, p97-112.
Books Authored
  1. R. S. Rengasamy, ‘Mechanics of Spinning Machines’. Published by NCUTE (National Centre for Upgradation of Textile Education in India, 2002.
  2. D. Samuel Wesley & R. S. Rengasamy, Sewing threads and lock stitch seams –A Systematic study: A scientific insight in to the properties of sewing threads, seams and technology of sewing, Lap Lambert Academic Publishing, Mauritius, 2018
Monograph authored

  1. Asis Patnaik, Rajesh Anandjiwala, R. S. Rengasamy, Anindya Ghosh and Harinder Pal, ‘Nanotechnology in Fibrous Materials-A New Perspective’, Textile Progress, Vol 39, No 2, June 2007 pp67-120, Taylor & Francis, London.
  2. Asis Patnaik, R. S. Rengasamy, V. K. Kothari and Anindya Ghosh, ‘Wetting and Wicking of Fibrous materials’, Textile Progress, Vol 38, No 1, 2006, 105 pages, Woodhead Publishing Ltd., Cambridge.
List of Publications Refereed Journals

  1. Manisha Yadav, R. S. Rengasamy & Deepti Gupta (2019). Characterization of pearl millet (Pennisetum glaucum) waste, Carbohydrate Polymers, 212, May 2019 160-168. https://doi.org/10.1016/j.carbpol.2019.02.034
  2. M. Ramamoorthy and R. S. Rengasamy (2018). Study on the effects of denier and shapes of polyester fibres on acoustic performance of needle-punched nonwovens with air-gap: comparison of ANN and regression modelling approaches to predict the sound absorption coefficient of nonwovens, J. Textile Inst.10th Nov 2018 Online (IF 1.18)
  3. Gnanauthayan, G., R. S. Rengasamy, and V. K. Kothari (2018). Heat insulation characteristics of Multi-layer nonwovens. Research Journal of Textile and apparel 22 94-108.
  4. M. Ramamoorthy, A.A. Pisal, R. S. Rengasamy and Venkateswara Rao (2018). In-situ synthesis of silica aerogel in polyethylene-terephthalate fibre nonwovens and their composite properties on acoustical absorption behavior, J. Porous Materials, 25 179-187. (IF 1.86)
  5. Gnanauthayan, G., R. S. Rengasamy, and V. K. Kothari (2017). Heat insulation characteristics of high bulk nonwovens, The Journal of The Textile Institute (108), 12, 2173-2179 (IF 1.18)
  6. D. Samuel Wesley and R. S. Rengasamy (2017). Changes in tensile properties of needle thread in lock stitch sewing, Fibers and Polymers (18) 2 390-399. (IF 1.35)
  7. S. M. Ishtiaque, R. S. Rengasamy, B. R. Das (2016). Tensile failure of blended spun yarns under dynamic condition: Part 1 Yarn failure during warping Indian J. Fibre & Textile Res., 41 Sept. 255-262.
  8. R. K. Baldua, R. S. Rengasamy, V. K. Kothari (2016). Effect of linear density of feed yarn filaments and air jet texturing process variables on compressional properties of woven fabrics, Indian J. Fibre & Textile Res., 41(1) 47-54.
  9. S. Renuka, Dipayan Das & R. S. Rengasamy (2016) Studies on needle-punched natural and polypropylene fiber nonwovens as oil sorbents. J. Industrail Textiles, 46(4) 1121-1143.
  10. S. M. Ishtiaque, R. S. Rengasamy, O. P. Sharma & B. R. Das (2016).Influence of fibre strength and yarn structural characteristics on tensile failure of blended spun yarns: A prediction model, J. Text. Inst. 107 (1) 127-135 (2016).
  11. R. S. Rengasamy, S. M. Ishtiaque and B. R. Das (2016). Dynamic Failure Behaviour of Blended Spun Yarns during Winding, J. Text. Inst. 107 (2) 242-248.
  12. R. K. Baldua, R. S. Rengasamy and V. K. Kothari (2015). Effect of feed yarn parameters on air-jet textured yarn properties, Fibers and Polymers, 16 (2), 463-470.
  13. R. K. Baldua, R. S. Rengasamy and V. K. Kothari (2014). Comparison of artificial neural network and regression models for prediction of air-jet textured yarn properties, Indian J Fibre Text, 39(2014) 157-162.
  14. R. S. Rengasamy and D. Samuel Wesley (2014). Study on Dynamic Needle Thread Tensions in a Single Needle Lock Stitch (SNLS) Sewing Machine. I. Effect of stitch  length, check spring tension, fabric feed timing and needle thread in-take length, Fibers and Polymers, 15 (8), 1766-1772.
  15. R. S. Rengasamy and D. Samuel Wesley (2014). Study on Dynamic Needle Thread Tensions in a Single Needle Lock Stitch (SNLS) Sewing Machine. II. Effect of Sewing Speed, Thickness of Fabric Plies, Thread Linear Density and Pre-tensions of Threads, Fibers and Polymers, 15 (8), 1773-1778.
  16. S. M. Ishtiaque, R. S. Rengasamy and B. R. Das (2014). Prediction of strength and weavability of blended spun yarns, Fibres Polymers, 15(8), 1752-1757.
  17. R. K. Baldua V. K. Kothari, R. S. Rengasamy (2014). Effect of filament fineness and process parameters on air-jet textured yarn properties, J. Textile Inst., 105 (11) 1186-1192.
  18. D. Samuel Wesley and R. S. Rengasamy (2013). Sewing thread and seam tensile properties analysis using finite element method, Academic j. Sci., 2(1), 303-310.
  19. Das, B. R., Ishtiaque, S.M., Rengasamy, R. S. (2013). Study on fibre overlap and fibre extent in blended spun yarns, J. Engineered Fibres & Fabrics, 8 (1), 137-145.
  20. Dipayan Das, R. S. Rengasamy, and Mritunjay Kumar (2013), Liquid sorption behaviour of superabsorbent fibre based nonwoven media, Fibres and Polymers, 14(7), 1165-1171.
  21. Das, B.R., Ishtiaque, S.M., & Rengasamy, R.S. (2012). Study of static and dynamic yarn strengths and weavability of spun yarns. Fibers and Polymers, 13 (2), 231-236.
  22. R. S. Rengasamy and D. Samuel Wesley, Tensile behaviour of different types of sewing threads observed under simple-tensile, loop and knot tests, J. Textile Apparel, Tech. 2011 7 No2.
  23. C. Praba karan, R. S. Rengasamy, and Dipayan Das, Oil spill cleanup by structured fibre assembly: A review, Indian J. Fibre & Textile Res., 2011 June 36 190-200.
  24. R. S. Rengasamy, Vijay S. Bele, V. K. Kothari and Rajesh Khanna, Liquid sorption behaviour of nonwoven, J. Textile Inst., 2011 102 1-12.
  25. R. S. Rengasamy, and D. Samuel Wesley, Effect of thread structure on sewing tension peaks during lock stitching, Autex Res. J., 2011 11 No. 1, March, 1-5.
  26. R. S. Rengasamy, Dipayan Das and C. Praba karan, Study of oil sorption behaviour of filled and structured fiber assemblies made from polypropylene, kapok and milkweed fibers, J. Hazard. Mat. 2011, 186 526-532.
  27. Das, B.R., Ishtiaque, S.M. & Rengasamy R.S. (2011). Prediction of weavability of warp yarns: A critical review. Research Journal of Textiles and Apparels, 15 (3), 38-49.
  28. Das, B.R., Ishtiaque, S.M., & Rengasamy, R.S. (2011). Static and dynamic tensile behaviour of spun yarns: A critical review. Research Journal of Textiles and Apparels, 15 (4), 70-83.
  29. B. R. Das, S. M. Ishtiaque and R. S. Rengasamy, Failure mechanism of staple yarns: A critical review, J. Textile Apparel, Tech. Mgt. 2010, 6, issue 4. Fall. 10 pages.
  30. R S Rengasamy, B R Das & Y B Patil, Thermo-physiological comfort characteristics of polyester air-jet textured and cotton yarn fabrics, J. Textile Inst. 2009,100 No 6 p507-511.
  31. Chidambaram Ramesh kumar, R. S. Rengasamy and N. Anbumani, Studies on Polyester/Waste silk core spun yarns and fabrics, J. Industrial Textiles 2009 39 191-203.
  32. 2. R. S. Rengasamy, S. M. Ishtiaque, B. R. Das and A. Ghosh, Fabric Assistance in woven structures made from different spun yarns, Indian J. Fibre & Text. Res. 2008, 33, Dec. p377-382.
  33. 33. Anindya Ghosh, Asis Patnaik, Rajesh Anandjiwala and R. S. Rengasamy, A Study on dynamic friction of different spun yarns, J.Appl. Pol. Sc., 2008 102 3233-3238.
  34. 34. R. S. Rengasamy, Asis Patnaik, Rajesh Anandjiwala, Simulation of Airflow in Nozzle-Ring Spinning using Computational Fluid Dynamics: Study on reduction in yarn hairiness and the role of air drag forces and angle of impact of air current, Textile Res. J., 2008 78(5) 412-420.
  35. 35. Asis Patnaik, R S Rengasamy, V K Kothari and S K Bhatia, Some Studies on Hairiness Reduction of Polyester Ring Spun Yarns by using Air-Nozzles during Winding, J. Textile Inst. 2008, 99 No 1 p 17-27.
  36. A. Patnaik, R S Rengasamy, S M Ishtiaque and A. Ghosh, Hairiness of Spun Yarns and Their Reduction using Air-Nozzle in Winding, J. Textile Inst. 2007, 98 No 3 p 243-249.
  37. A. Patnaik, R S Rengasamy, S M Ishtiaque and A. Ghosh, Hairiness of Spun Yarns and Their Reduction using Air-Nozzle in Winding, J. Textile Inst. 2007, 98 No 3 p 243-249.
  38. R S Rengasamy, V K Kothari, Asis Patnaik and S K Bhatia, Hairiness reduction in polyester spun yarns during ring spinning using Air-nozzles: Optimization of nozzle and other parameters, Indian J. Fibre & Text. Res. 2006, 31, Dec. p521-528.
  39. R. S. Rengasamy, Asis Patnaik and Hemant Punekar, Studies on Reduction of Yarn Hairiness by Nozzles in Ring Spinning and Winding by Airflow Simulation, Fibres and Polymers 2006, 7 No 3, p317-322.
  40. R. S. Rengasamy, V. K. Kothari, A. Patnaik, and H. Punekar, Airflow Simulation in Nozzle for Hairiness Reduction of Ring Spun Yarns: Part II: Influence of Nozzle Parameters, J. Textile Inst. 2006, 97 No 2 p 97-101.
  41. R. S. Rengasamy, V. K. Kothari, A. Patnaik, and H. Punekar, Airflow Simulation in Nozzle for Hairiness Reduction of Ring Spun Yarns: Part I: Influence of Airflow Direction, Nozzle Distance, and Air Pressure, J. Textile Inst. 2006, 97 No 1 p 89-96.
  42. Anindya Ghosh, S. M. Ishtiaque, and R. S. Rengasamy, Analysis of Spun Yarn Failure Part II: The Translation of Strength from Fibre Bundle to Different Spun Yarns, Textile Res. J. 75(10) 2005 p741-744.
  43. Anindya Ghosh, S. M. Ishtiaque, and R. S. Rengasamy, Analysis of Spun Yarn Failure Part I: Tensile Failure of Yarns as a function of Structure and Testing Parameters, Textile Res. J. 75(10) 2005 p731-740.
  44.  A. Patnaik, R. S. Rengasamy, V. K. Kothari, A. Ghosh and H. Punekar, Hairiness Reduction of Yarns by Jets at Ring Spinning: Airflow Simulation Approach, J. Textile Apparel, Tech. Mgt. 2005 4 Issue 4 Summer p1-11.
  45. R. S. Rengasamy, V. K. Kothari, A. Patnaik, A. Ghosh and H. Punekar, Reduction of Yarn Hairiness in Winding by Jets: Optimization of Jet Parameters, Yarn Linear Density and Winding Speed, Autex Res. J. 2005 5 No 3, Sept. p1-6.
  46. R. S. Rengasamy, R. Guruprasad and A. Patnaik, Friction of Polyester Air-jet Textured Yarns, J. Fibres and Polymers. 2005 6 No 2 p146-150.
  47. R. S. Rengasamy, S. M. Ishtiaque and Anindya Ghosh, Prediction of spun yarn strength at different gauge lengths using Weibull distribution, Indian J. Fibre & Text. Res. 2005, 30, Sept. p283-289.
  48. A Ghosh, S. M. Ishtiaque and R. S. Rengasamy, Stress-strain Characteristics of Different Spun Yarns as Function of Strain Rate and Gauge Length, J. Textile Inst. 2005, 96 No 2 p 99-104.
  49. Raju Seenivasan Rengasamy, Manjeet Jassal and Chidambaram Ramesh Kumar, Studies on Structure and Properties of Nephila-Spider Silk Dragline, Autex Res. J. 2005 5 No 1 2005 p30-39.
  50. Anindya Ghosh, S. M. Ishtiaque, R. S. Rengasamy, P. Mal and A. Patnaik, Predictive Models for Spun Yarn Strength: An Overview, Autex Res. J. 2005 5 No 1 March p20-29.
  51. Anindya Ghosh, S. M. Ishtiaque, R. S. Rengasamy, P. Mal and A. Patnaik, Spun Yarn Strength as a Function of Gauge Length and Extension-Rate: A Critical Review, J. Textile Apparel, Tech. Mgt. 2004 4, issue 2. Fall. 10 pages.
  52. R S Rengasamy, S M Ishtiaque, A Ghosh, A Patnaik & M Bharati, An Analysis of Spinning Tension in Ring Spinning, Indian J. of Fibre and Text Res. 2004 29, Dec., p440-442.
  53. R. S. Rengasamy, V. K. Kothari and A. Patnaik, Stress-strain Characteristics of Air-jet textured Yarns, Indian J. Fibre and Text Res. 2004 29 Sept., p283-289.
  54. Anindya Ghosh, S. M. Ishtiaque, and R. S. Rengasamy, Optimization of Ring Frame Parameters for Better Yarn Quality and Production, Indian J. Fibre Textile Res. 2004 29 June, p190-195.
  55. S. M. Ishtiaque, R. S. Rengasamy and Anindya Ghosh, Optimization of Speed Frame Process Parameters for Better Yarn Quality and Production, Indian J. Fibre Textile Res. 2004 29 March, p39-43.
  56. R. S. Rengasamy, V. K. Kothari and A. Patnaik, Effect of process variables and feeder yarn properties on the properties of core-and-effect and normal air-jet textured yarns, Text. Res. J., 2004 74(3), p259-264.
  57. Anindya Ghosh, Syed Ishtiaque, Seenivasan Rengasamy and Asis Patnaik, The mechanism of End Breakage in Ring Spinning: A Statistical Model to Predict the End Break in Ring Spinning, AUTEX Res. J. 2004 4 No.1, March, p19-24.
  58. R. S. Rengasamy, V. K. Kothari, R. Alagirusamy and S. Modi, Studies on Air-Jet textured Sewing Threads, Indian J. Fibre Textile Res. 2003 28 No. 3 Sept. p281-287.
  59. R. S. Rengasamy and S. Kawabata, Computation of Thermal Conductivity of Fibre from Thermal Conductivity of Twisted Yarn, Indian J. Fibre Textile Res. 2002 27 Dec. P342-345.
  60. S. Kawabata and R. S. Rengasamy, Thermal Conductivity of Uni-directional Fibre-composites made from Yarns and Computation of Thermal Conductivity of Yarns, Indian J. Fibre Textile Res. 2002 27 Sept. p217-223.
  61. V. K. Kothari, R. S. Rengasamy and Deepali Palta, Sewing Threads: Uses and Performances, Clothesline, Nov. 2002, 62-65.
  62. R. S. Rengasamy, V. K. Kothari and R. L. Gotipamul, Flame Retardancy of Nomex/Cotton Ring Spun Blended Yarn Fabrics, Indian J. Fibre Textile Res. 2000 25 December p241-245.
  63. R. S. Rengasamy, A. K. Sengupta and V. K. Kothari, Blend Irregularity of Air-Jet Textured Yarns, Indian J. Fibre Textile Res. 1999 24 Dec. p233-241.
  64. A. K. Sengupta, V. K. Kothari and R. S. Rengasamy, Wicking Behaivour of Air-Jet Textured Yarns, Indian J. Fibre Text. Res. 1991, 16, No.2, p123-127.
  65. V. K. Kothari, A. K. Sengupta, and R. S. Rengasamy, Role of Water in Air-Jet Texturing: Part II Studies on Nylon 6 Yarns Conditioned in Different Environments, Textile Res. J., 1991 61 No.10, p575-580.
  66. V. K. Kothari, A. K. Sengupta, and R. S. Rengasamy, Role of Water in Air-Jet Texturing: Part I Studies on Polyester Feeder Yarns of Different Frictional Characteristics, Textile Res. J., 1991, 61, No.9, p495-502.
  67. A. K. Sengupta, V. K. Kothari and R. S. Rengasamy, Characterization of Bulk of Air-Jet Textured Yarns, Chemisfasern / Textilindustrie, 1990, 40/92 No.10, 998-1001 and E113-E115.
  68. R. S. Rengasamy, V. K. Kothari and A. K. Sengupta, Effect of Raw Material Characteristics on Structure and Properties of Air-Jet Textured Yarns: Part II Effect of Filament Cross-Sectional Shape, Melliand Textilber. 1990, 71, No.12, 935-937 and E421-422.
  69. R. S. Rengasamy, V. K. Kothari and A. K. Sengupta, Effect of Specific Characteristics on Structure and Properties of Air-Jet Textured Yarns: Part I- Effect of Filament Fineness, Melliand Textilber.1990, 71, No.9 655-659 and E301-E302.
  70. A. K. Sengupta, V. K. Kothari and R. S. Rengasamy, Evaluation of Structural Instability of Blended Air-Jet Textured Yarns, Chemifasern/Textilind., 1989, 39/91 No.10, 1112-1123 and E131-132.
  71. V. K. Kothari, A. K. Sengupta, R. S. Rengasamy, and B. C. Goswami, Influence of Interfilament Friction on Structure and Properties of Air-Jet Textured Yarns, Textile Res. J., 1989, 59, No.6, p317-323.
  72. R. S. Rengasamy, V. K. Kothari and A. K. Sengupta, Frictional Behaviour of Textile Fibres: A Review, J. Institution of Engineers (India), Textile Engg. Division, 1988, 69, No.12, 42-50

Presentations in Conferences

  1. R. S. Rengasamy, Fibre coalescence filtration in treating industrial oily waste water, 5th International Conference on Industrial Textiles – Products, Applications and Prospects (InduTech 2020)-Webinar 21-23 August 2020.
  2. A. Sockalingam and R. S. Rengasamy, Active Heating in Extreme Cold Weather Clothing for Defense Personnel, Functional Textiles & Clothing Conference, 7th - 9th Feb, 2020, New Delhi, India and got Second Prize.
  3. Chandra Jeet Singh, R. S. Rengasamy, Samrat Mukhopadhyay, Natural fibers used for separation of oil from stable oil-water emulsion by coalescence filtration, International Conference on Separation Science and Technology [ICST-2019, 13th -16th December 2019] at School of Environmental Sciences, Mahatma Gandhi University, Kottayam, Kerala, India.
  4. Chandra Jeet Singh, R. S. Rengasamy, Samrat Mukhopadhyay, Application of natural fibers for oil separation from oily wastewater/emulsion by coalescence filtration, International Conference on Emerging Trends in Traditional & Technical Textiles [ICETT-2019, 1st -3rd November 2019] at NIT Jalandhar, India (Got Second Prize).
  5. Manisha Yadav, Deepti Gupta, R S Rengasamy, Benchmarking study of sanitary napkins available in India, AUTEX 2019- 19th World Textile Conference, Ghent University, Ghent/Belgium, 11th -15th June 2019.
  6. Manisha Yadav, Deepti Gupta, R S Rengasamy, Characterization of Pearl Millet agro waste: A possible source of absorbent layer for hygiene applications, 3rd Young Research Symposium on Emerging Trends in Textile, Fiber and Polymer Research, IIT Delhi, New Delhi, India, 15th - 17th May 2019.
  7. Manisha Yadav, Deepti Gupta, R S Rengasamy, Method for testing the absorbency of core layer of sanitary napkins, ICTN-2018, 6th International Conference on Technical Textiles and Nonwovens, IIT Delhi, New Delhi, India, 6th- 8th December 2018.
  8. Manisha Yadav, Deepti Gupta, R S Rengasamy, Agro waste as a source of absorbent for hygiene applications, Functional Textile Clothing (FTC), IIT Delhi, New Delhi, India, 9-11 February 2018.
  9. Chandra Jeet Singh, R. S. Rengasamy, Samrat Mukhopadhyay, Separation of oil from oil -water emulsion by coalescence filtration, 6th International Conference on Technical Textiles and Nonwovens [ICTN-2018], 6th -8th December, 2018, IIT Delhi.
  10. Chandrajeet Singh, R. S. Rengasamy & Samrat Mukhopadhyay, Modified cotton fibre for oil removal, Intl conference Advances in Textile Materials and Process (ATMP-2018) 19-20 November, 2018 IIT Kanpur.
  11. R.S. Rengasamy, V. K. Kothari and G. Gnanauthayan, Design and development of fabric assemblies for extreme cold weather clothing, 4th International Conference on Industrial Textiles – Products, Applications and Prospects (InduTech 2018) 17th & 18th August 2018 Coimbatore.
  12. R. S. Rengasamy, Dipayan Das and S. Renuka, Oil Spill removal using sustainable natural fibre sorbents, Pro. 3rd National Conference on Emerging trends in textiles, fibres and apparel engineering, Behrampore, 19-20 February, 2016.
  13. R. S. Rengasamy & M. Ramamoorthy Accoustical Nonwovens, Textile Academia Conference, IIT Delhi, 17-18 February, 2016.
  14. Renuka. S., Rengasamy R.S., Dipayan Das, Enhancing the oil sorption and strength of needlepunched natural fibre sorbents using process optimization, Intl. Conf. Technical Textiles & Nonwovens, New Delhi November 6-8, 2014.
  15. Ramamoorthy M, Rengasamy R.S., Effect of fibre denier and fabric areal density on acoustical behavior of needle-punched nonwovens, Intl. Conf. Technical Textiles & Nonwovens, New Delhi November 6-8, 2014.
  16. R. S. Rengasamy, Dipayan Das and S. Renuka, Nonwoven Oil Sorbing Pads from Sustainable Fibrous Materials for Marine Oil Spill Removal, 37th AMOP Technical Seminar on Environmental Contamination and Response, Canmore, Alberta, Canada, June 3-5, 2014.
  17. Vijay S Bele, R. S. Rengasamy, Liquid sorption behavior of woven fabrics, Indo-Czech International Conference on ‘Advancements in Specialty Textiles and their Applications in Material Engineering and Medical Sciences’ Coimbatore, 29th April to 1st May, 2014.
  18. S. Ramamoorthy, R. S. Rengasamy, Study on fibre orientation of needle punched nonwoven for acoustical properties. Int. Conf on Emerging trends in traditional and technical textiles, Jalandhar, April 11-12, 2014.
  19. S. Renuka, Dipayan Das, R. S. Rengasamy, Studies on natural fiber oil sorbents for marine oil spill removal Int. Conf on Emerging trends in traditional and technical textiles, Jalandhar, April 11-12, 2014.
  20. R. S. Rengasamy, Wipes: materials, technologies and recent trends, National Conference on Emerging trends in textile, fibre & apparel engineering, December 21-22, 2013, Berhampore.
  21. D. Samuel Wesley and R. S. Rengasamy, Finite element analysis of tensile strength properties of nylon mono-filament sewing thread, Intl. Conf. for Academic Disciplines, University of Nevada, Las Vegas, March 13-16, 2012.
  22. R. S. Rengasamy and D. Samuel Wesley, Sewing tension on needle thread on a single needle lock stitch machine, 39th Research Symposium, IIT Delhi, December 16-20, 2010, P328.
  23. Praba Karan C, R. S. Rengasamy and Dipayan Das, Study of oil sorption behavior of fibrous materials, 23rd National Convention of Textile Engineers, The Institution of Engineers (India), Delhi, March 26-27, 2010.
  24. R. S. Rengasamy and Asis Patnaik, Study on Hairiness reduction in Nozzle-Ring Spinning: Role of air drag forces and angle of impact of air current”, 4th Indo-US International conference on Advances in Textiles, Machinery Nonwoven and Technical Textiles, Coimbatore, June 18-20, 2007
  25. Bharathkumar, R S Rengasamy and S G Deshmukh, Role of Information systems in effective supply chain management: A case study in apparel industry, 47th IIIE National Convention, Pune November 11-13, 2005.
  26. Asis Patnaik, R.S. Rengasamy and V.K. Kothari, Computational Fluid Dynamics Modeling in Nozzles for Controlling Yarn Hairiness during Winding, 34th Textile Res. Sym at MT. Fuji, Japan, August 9-11, 2005.
  27. Asis Patnaik, Anindya Ghosh, R. S. Rengasamy, V. K. Kothari, S. M. Ishtiaque and Hemant Punekar, Hairiness reduction of Ring, Rotor, Air-jet and Friction Spun Yarns by Air-Nozzle during Winding: A Computational Fluid Dynamics Modeling Approach, Pro. Int. Conf ‘Emerging Trends in Polymers & Textiles, 7-8th Jan. 2005, New Delhi, p317-321.
  28. C. Ramesh Kumar, R.S. Rengasamy, Manjeet Jassal, T. Sivashankaran and M. Ramasami, Nephila Spider Silk: a Wonder Fibre!, Intl. conference on High Performance Textiles & Apparels (HPTEX 2004), 7-9th July 2004, Coimbatore.
  29. Asis Patnaik, R.S. Rengasamy, V.K. Kothari, Anindya Ghosh, and Hemant Punekar, Airflow Modeling in Nozzle to Reduce Yarn Hairiness in Winding, Pro. The Fibre Society 2004 Annual Meeting and Technical Conference, A Symposium on Advanced Materials and Processes, Cornell University, Ithaca, New York, 11-13th October New York, USA, pp 50-51 (2004).
  30. S. M. Ishtiaque, A. Ghosh, and R. S. Rengasamy, Translation of Structure and Strength Properties of Different Spun Yarns on Fabric Strength, 3rd the Indo-Czech Textile Res. conference’, TU Liberec, Czech Republic, June 14-16, 2004, pp46-49.
  31. A. Patnaik, R.S. Rengasamy, V.K. Kothari, A. Ghosh and H. Punekar, Simulation of Airflow Pattern in Nozzle for Hairiness Reduction of Ring Yarns, 4th AUTEX World Textile Conf., Roubaix, France, June, 22-24, 2004.
  32. S. M. Ishtiaque, R. S. Rengasamy, A. Gosh and A. Patnaik, The Influence of Strain Rate and Gauge Length on the Stress-Strain Characteristics of Staple Yarns Representing Different Spinning Technologies, Proc. The 83rd Textile Institute World Conference, Shanghai, China, 23-27 May 2004, pp 411-414.
  33. Anindya Ghosh, S. M. Ishtiaque, and R. S. Rengasamy, Mechanism of yarn breakage, 7th Asian Textile Conference, New Delhi, India, 2003.
  34. S. M. Ishtiaque, R. S. Rengasamy and A. Gosh, Analysis of Structure and Strength of Different Spun Yarns: Yarn Failure as a Function of Gauge Length and Strain Rates, in Intl. Conf. Baltic Textile & Leather, Kaunas, Lithuania, 11-12 Sept. 2003, pp1-6.
  35. S. M. Ishtiaque, R. S. Rengasamy and A. Ghosh, Structural Analysis of Failure Zone of Spun Yarns and Development of a Mathematical Model to Predict Yarn Tenacity, in INTEDEC-Fibrous Assemblies at the Design & Engineering Interface, Heriot-Watt University, Edinburgh, UK, 22-24 Sept. 2003.
  36. A. Ghosh, S. M. Ishtiaque and R. S. Rengasamy, A Generalized Mathematical Approach to Predict the Strength of Different Spun Yarns, in 5th Intl. Conf. TEXSCI 03, Technical University, Liberec, Czech. Republic, 16-18 June 2003, pp 321-322.
  37. R. S. Rengasamy, A. Jain, N. Srivastava and N. C. Karan, Prediction of Seam Pucker due to Fabric Parameters Using Neural Networks, 43rd Joint Technological Conference, New Delhi, 2-3rd March 2002, P 17-21.
  38. S. Kawabata and R. S. Rengasamy, Poster Presentation, Thermal Conductivity of Fibre Assembly Computed from Fibre Composites: Methodology and Thermal Conductivity of Yarns and Fibres, 28th Textile Res. Sym at Mt. Fuji, Japan, August 1-3, 1999.
  39. R. S. Rengasamy and S. Kawabata, Thermal Conductivity of Fibres in an Uni-directional Yarn Composites made From Twisted Fibre Assembly as Reinforcing Material: A Model for One-dimensional Heat Flow Through Fibre Composites, 28th Textile Res. Sym at MT. Fuji, Japan, August 1-3, 1999, pp15-21.
  40. R. S. Rengasamy, S. Yoshida and S. Kawabata, Measurement of Thermal Conductivity of Cotton Fibres”, Proceedings of 22nd Textile Res. Symp. Mount Fuji, August 1993.
  41. A. K. Sengupta, V. K. Kothari and R. S. Rengasamy, A Study on Blend Inhomogeneity in Air-Jet Textured Yarns, Int. Conference on Air-Jet Texturing, Mingling Interlacing, Louborough University, UK, Sept. 27-29, 1989.

Presentations in Seminars/Workshops

  1. Control of end-breaks in ring spinning, Program on Ginning & Spinning for Ethiopian Scientists, 27th May 2016 (18-31 May 2016)
  2. Hairiness: Role of fibre, Process Parameters, Post Spinning & Control, Program on Ginning & Spinning for Ethiopian Scientists, 24th May 2016
  3. Liquid transmission behaviour in sheeting cloth: Role of fibre, yarn and fabric structure, Workshop for Trident, 19th May, 2016.
  4. Analysis of Input parameters on output: Regression and contribution analysis in air-jet texturing process, TEQUP-II Short term course on product and process optimization using designed experiments, 18-20 March 2016 (20th March)
  5. Materials requirement planning (MRP), Two week training program on ‘Leadership & Entrepreneurial skill’ for Officers of Ethiopian Textile Industry Development Institute, 29th February to 11th March 2016 (9th March)
  6. Design of multilayer clothing for extreme cold weather, Faculty development program on apparel product design and development, NIT, Jalandhar, 11-13 February, 2016.
  7. Nonwoven wipes, CEP/QIP on Nonwoven processes and products, IIT Delhi, May 12-17, 2014
  8. Liquid sorbent nonwovens, CEP/QIP on Nonwoven processes and products, May 12-17, 2014
  9. Developments in Ring spinning, Short term QIP course on ‘Fundamentals of Textile Machines and Mechanisms’ June 21-25 2010, IIT Delhi.
  10. Sewing Defects and control, in Process and Quality control in Textile Industries, organized by FITT, 22-23 April 2010, IIT Delhi.
  11. Wetting and wicking behaviour of textiles, under QIP program on 6th July, 2009 at IIT Delhi.
  12. Fancy yarns, Program for Ministry of Textiles, IIT, Delhi, January and February 2009.
  13. Spinning: Quality issues during preparatory and hairiness, Program for Vardhman Group, Ludhiana, 13th July, 2008.
  14. R. S. Rengasamy, “Developments in Sewing Threads”, in ‘Technical Textiles’, IIT Delhi, Oct 2nd 2004, P72-81.
  15. R. S. Rengasamy, “Sewing Threads”, in Short Term Course on “Developments in Textile Technology, Machinery and Management Techniques”, Sponsored by Ministry of Textiles under the aegis of FITT, 11-22nd March 2002.
  16. R. S. Rengasamy, “Garment Engineering Aspects”, in Short Term Course on “Developments in Textile Technology, Machinery and Management Techniques”, Sponsored by Ministry of Textiles under the aegis of FITT, 11-22nd March 2002.
  17. R. S. Rengasamy, “Generation and Control of Hairiness of Ring Spun Yarns”, NCUTE Pilot Programme on Ring Spinning, Doubling and Twisting, March 23-25, 2000, pp 43-58.
  18. R. S. Rengasamy, “Seam Properties”, in ‘QIP/CEP Short Term Course on Garment Technology’, July 5-16, 1999, I.I.T., Delhi.
  19. R. S. Rengasamy and R. Alagirusamy, “Fundamental Aspects of Drafting”, in NCUTE Pilot Programme in ‘Spinning-Drawing, Combing and Roving’, I.I.T., Delhi, June 16-18, 1999, Pp1-17.
  20. R. S. Rengasamy, “Conversion of Fibres into Yarns”, in ’Fundamental Aspects in Quality Evaluation of Textile Materials’, I.I.T., Delhi, 14-27 May 1999.
  21. R. S. Rengasamy, “Basic Concepts of Carding Process”, NCUTE Pilot Programme in ‘Spinning-Blow room, and Card’, I.I.T., Delhi, Oct 9-11, 1998.
  22. V. Subramaniam and R. S. Rengasamy, “Star – Fish Retrospects and Prospects in Advances in Knitting Technology”, Anna University, March 1995.
  23. R. S. Rengasamy, “Clothing and Comfort”, Winter School on Garment Technology, Anna University, December 1991.

 

 

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