Education

Ph. D. – National Institute of Technology Silchar, Assam
M.E. – National Institute of Technology Silchar, Assam
B.E. – Annamalai University, Annamalai Nagar, Tamil Nadu

Experience

1. COEP Technological University, Pune – Assistant Professor in Mechanical Engineering – From 01/07/2025 (Currently Working).

2. Dr. D.Y. Patil Vidyapeeth, Pune, Maharashtra – Assistant Professor in D.Y. Patil School of Science and Technology from 01/01/2024 to 09/06/2025.

International and National Journal

1. Kumar S, Zindani D, Bhowmik S. Investigation of mechanical and viscoelastic properties of flax-and ramie-reinforced green composites for orthopedic implants. Journal of Materials Engineering and Performance. 2020 May; 29:3161-71. https://doi.org/10.1007/s11665-020-04845-3.
2. Zindani D, Kumar S, Maity SR, Bhowmik S. Punica granatum fibers as potential reinforcement of composite structures. Fibers and Polymers. 2020 Jul; 21:1535-49. https://doi.org/10.1007/s12221-020-1047-6.
3. Zindani D, Kumar S, Maity SR, Bhowmik S. Mechanical characterization of bio-epoxy green composites derived from sodium bicarbonate treated Punica granatum short fiber agro-waste. Journal of Polymers and the Environment. 2021 Jan; 29:143-55. https://doi.org/10.1007/s10924-020-01868-8.
4. Saha A, Kumar S, Kumar A. Influence of pineapple leaf particulate on mechanical, thermal and biodegradation characteristics of pineapple leaf fiber reinforced polymer composite. Journal of Polymer Research. 2021 Feb; 28:1-23. https://doi.org/10.1007/s10965-021-02435-y.
5. Saha A, Kumar S, Zindani D, Bhowmik S. Micro-mechanical analysis of the pineapple-reinforced polymeric composite by the inclusion of pineapple leaf particulates. Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications. 2021 May;235(5):1112-27. https://doi.org/10.1177/1464420721990851.
6. Kumar S, Saha A. Graphene nanoplatelets/organic wood dust hybrid composites: physical, mechanical and thermal characterization. Iranian Polymer Journal. 2021 Sep;30(9):935-51. https://doi.org/10.1007/s13726-021-00946-5.
7. Saha A, Kumar S, Zindani D. Investigation of the effect of water absorption on thermomechanical and viscoelastic properties of flax‐hemp‐reinforced hybrid composite. Polymer Composites. 2021 Sep;42(9):4497-516. https://doi.org/10.1002/pc.26164.
8. Siva Kumar M, Kumar S, Gouda K, Bhowmik S. Influence of filler hybridization on thermomechanical properties of hemp/silver epoxy composite. Polymers and Polymer Composites. 2021 Nov;29(9):1551-62. https://doi.org/10.1177/0967391120978112.
9. Kumar A, Saha A, Kumar S. Structural analysis of sol-gel derived TiO 2 nanoparticles: a critical impact of TiO 2 nanoparticles on thermo-mechanical mechanism of glass fiber polymer composites. Journal of Polymer Research. 2021 Nov; 28:1-6. https://doi.org/10.1007/s10965-021-02799-1.
10. Kumar S, Saha A, Bhowmik S. Accelerated weathering effects on mechanical, thermal and viscoelastic properties of kenaf/pineapple biocomposite laminates for load bearing structural applications. Journal of Applied Polymer Science. 2022 Jan 10;139(2):51465. https://doi.org/10.1002/app.51465.
11. Kumar S, Saha A. Effects of stacking sequence of pineapple leaf-flax reinforced hybrid composite laminates on mechanical characterization and moisture resistant properties. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science. 2022 Feb;236(3):1733-50. https://doi.org/10.1177/09544062211023105.
12. Saha A, Kumar S. Effects of graphene nanoparticles with organic wood particles: A synergistic effect on the structural, physical, thermal, and mechanical behavior of hybrid composites. Polymers for Advanced Technologies. 2022 Oct;33(10):3201-15. https://doi.org/10.1007/s10163-022-01499-2.
13. Kumar S, Saha A. Utilization of coconut shell biomass residue to develop sustainable biocomposites and characterize the physical, mechanical, thermal, and water absorption properties. Biomass Conversion and Biorefinery. 2022 Sep 16:1-7. https://doi.org/10.1007/s13399-022-03293-4.
14. Kumar S, Bhowmik S. Potential use of natural fiber-reinforced polymer biocomposites in knee prostheses: a review on fair inclusion in amputees. Iranian Polymer Journal. 2022 Oct;31(10):1297-319. https://doi.org/10.1007/s13726-022-01077-1.
15. Kumar S, Saha A. Effects of particle size on structural, physical, mechanical and tribology behaviour of agricultural waste (corncob micro/nano-filler) based epoxy biocomposites. Journal of Material Cycles and Waste Management. 2022 Nov;24(6):2527-44. https://doi.org/10.1007/s10163-022-01499-2.
16. Mahakur VK, Bhowmik S, Patowari PK, Kumar S. Effect of alkaline treatment on physical, mechanical, and thermal characteristics of jute filler reinforced epoxy composites. Journal of Vinyl and Additive Technology. 2023 Mar;29(2):330-42. https://doi.org/10.1002/vnl.21963.
17. Kumar S, Bhowmik S, Zindani D. Effect of stacking sequence and thickness variation on the thermo-mechanical properties of flax-kenaf laminated biocomposites and prediction of the optimal configuration using a decision-making framework. International Polymer Processing. 2023 Jun 13(0). https://doi.org/10.1515/ipp-2023-4341.
18. Kumar S, Bhowmik S, Mahakur VK. Thermo-mechanical and degradation properties of naturally derived biocomposites for prosthesis applications: analysis of the interface pressure and stress distribution on the developed socket. Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering. 2023 Oct;237(5):1999-2015. https://doi.org/10.1177/09544089221131155.
19. Kumar S, Mahakur VK, Bhowmik S. Physico-mechanical and Tribological Characteristics of Flax–Ramie Fiber Reinforced Green Composites and Anticipation of Fabricated Composites Under Different Loading with Sliding Constraint. Arabian Journal for Science and Engineering. 2023 Sep 13:1-20. https://doi.org/10.1007/s13369-023-08247-0.
20. Kumar S, Saha A, Zindani D. Agro-waste-based polymeric composite laminates for aerospace cabin interior and identification of their optimal configuration. Biomass Conversion and Biorefinery. 2023 Sep 23:1-7. https://doi.org/10.1007/s13399-023-04914-2.
21. Kumar S, Bhowmik S. Extraction of bio-fillers from natural solid wastes (citrus limetta peel) and characterization of the physical, mechanical, and tribological performance of sustainable biocomposites. Journal of Material Cycles and Waste Management. 2023 Nov;25(6):3508-21. https://doi.org/10.1007/s10163-023-01773-x.
22. Bhowmik S, Kumar S, Mahakur VK. Various factors affecting the fatigue performance of natural fiber-reinforced polymer composites: a systematic review. Iranian Polymer Journal. 2023 Nov 6:1-23. https://doi.org/10.1007/s13726-023-01243-z
23. Kumar S, Mahakur VK, Bhowmik S. Potential utilization of natural solid waste found in the northeast India for development of polymeric composites: process, properties, challenges, and applications: a review. Journal of Material Cycles and Waste Management. 2024 May 25:1-8. https://doi.org/10.1007/s10163-024-01986-8.
24. Sharma S, Bhende M, Verma HR, Kumar S. Physically Cross-linked PVA/f-MWCNTs Nanocomposite Hydrogel with Enhanced Thermal, Mechanical, and Dielectric Properties. Materials Today Communications. 2024 Jun 1:109400. https://doi.org/10.1016/j.mtcomm.2024.109400.
25. Kumar S, Bhowmik S. Principles and biomechanical response of normal gait cycle to measure gait parameters for the alignment of prosthetics limb: A technical report. Prosthetics and Orthotics International. 2024 July 3:10-97. https://doi.org/10.1097/PXR.0000000000000391.
26. Kumar A, Kumar S, Kumar D, Mahakur VK, Bhowmik S. Utilization of banana peel as bio-filler to develop biological polymeric composites and characterize their physical, mechanical, thermal, and tribological characteristics. Polymer Bulletin. 2024 Aug 27:1-22. https://doi.org/10.1007/s00289-024-05464-x.
27. Mahakur VK, Kumar S, Bhowmik S, Patowari PK, Experimental evaluation on physicomechanical, tribological and optimality circumstances for the corchorus olitorius particles-based composites. Polymer International. August 2024. https://doi.org/10.1002/pi.6695.
28. Saha, Kumar S, Mahakur VK, Sharma S, Saha A, Development and Machine Learning Based Prediction of Carbon/Hemp/Ramie Sandwich Composite as Sustainable and Ecofriendly Solution for Automobile Application. Materials Today Communications. 26 October 2024, 110817. https://doi.org/10.1016/j.mtcomm.2024.110817.
29. Kumar S, Bhowmik S. Accelerated Weathering with Humidity Effects on Physical, Surface Interfacial and Tribology Behavior of Kenaf-Pineapple Laminated Biocomposite Under Different Loading Constraint. Fibers and Polymers. 2024 Dec 14:1-23. https://doi.org/10.1007/s12221-024-00804-0.
30. Mahakur VK, Paul R, Kumar S, Mishra DK, Bhowmik S, Rao AU, Reddy PV. Evaluating the physical, mechanical, structural and tribological functionality of ecological composites constituted of bio-fillers extracted from eggshell residues. Journal of Material Cycles and Waste Management. 2024 Dec 30:1-3. https://doi.org/10.1007/s10163-024-02149-5.
31. Sharma S, Bhende M, Mulwani P, Patil V, Verma HR, Kumar S. Mechanically improved chitosan/graphene oxide nanocomposite hydrogel for sustained release of levofloxacin. International Journal of Biological Macromolecules. 2025 Jan 3:139481. https://doi.org/10.1016/j.ijbiomac.2025.139481.
32. Boban AP, Mishra DK, Kumar N, Kumar S, Mahakur VK, Sharma S. Quasi-static indentation, mechanical, and damage evolution of different configurations of laminated banana–pineapple fiber-reinforced composites for structural application. 2025; Textile Research Journal.:00405175251322952. https://doi.org/10.1177/00405175251322952.
33. Kumar S, Mahesh V, Harursampath DK. Improving Physical, Mechanical and Interfacial Properties of Glass Fiber Composites Using Modified Resin System with Amine-Functionalized and Silanized Graphene Nanoparticles. Polymer Composites. https://doi.org/10.1002/pc.29701.
34. Kalita A, Mahakur VK, Kumar S Bhowmik S. Evaluation and Prediction of the Tribological Behaviour of Graphene Nanoplatelets and Jute Micro Filler Based Bio-epoxy Hybrid Composites. Polymer International. 2025 https://doi.org/10.1002/pi.6765.

Book Chapters

1. Kumar S, Kumar MS, Pranesh D, Naveen C. (Dec 2019). Investigation of thermal conductivity of hemp fibre reinforced composite (Vol. 2200, p. 020094).
2. Kumar S, Zindani D, Bhoomani R, Kumar KS. (Dec. 2019) Study the mechanical properties of corncob husk filler reinforced epoxy composite. (Vol. 2200, No. 1, p. 020095).
3. Kumar, S., Saha, A., Brahma, K., & Bhowmik, S. (2022, August). Numerical Analysis of Hemp Fiber Reinforced Epoxy Composites for Evaluating Micro-Mechanical Characteristics. In International Conference on Recent Advances in Mechanical Engineering Research and Development (pp. 153-163). Singapore: Springer Nature Singapore.
4. Kumar S, Mahakur VK, Bhowmik S. Effects of Fiber Loading on Physical and Mechanical Properties of Flax-Ramie-Reinforced Polymeric Biocomposites for Structural Applications. InInternational Conference on Recent Advancements in Mechanical Engineering 2023 Feb 3 (pp. 329-338). Singapore: Springer Nature Singapore
5. Dey T, Kumar S, Bhowmik S. Assessment of the Mechanical Characteristics of a Polymeric Composite Reinforced with Rice Husk Filler. In International Conference on Recent Advancements in Mechanical Engineering 2024 Feb 2 (pp. 89-98). Singapore: Springer Nature Singapore.
6. Purkayastha S, Bhowmik S, Kumar S, Mahakur VK, Chauhan N. Bio-filler at Different Weight Fraction on Tribological Characteristics of Sustainable Composites and Its ANN. Advances in Materials, Manufacturing and Design: Select Proceedings of INCOM 2024.:371.
7. Kumar A, Kumar D, Kumar S, Bhowmik S. Peel-Based Epoxy Polymer Composite Under Different Weight Solutions. Advances in Materials, Manufacturing and Design: Select Proceedings of INCOM 2024.:93.

International and National Conferences

1. Kumar S, Zindani D, Bhoomani R, Kumar KS. Study the mechanical properties of corncob husk filler reinforced epoxy composite. InAIP Conference Proceedings 2019 Dec 20 (Vol. 2200, No. 1, p. 020095). AIP Publishing LLC. https://doi.org/10.1063/1.5141265.
2. Kumar MS, Kumar S, Pranesh D, Naveen C. Investigation of thermal conductivity of hemp fibre reinforced composite. InAIP Conference Proceedings 2019 Dec 20 (Vol. 2200, No. 1, p. 020094). AIP Publishing LLC. https://doi.org/10.1063/1.5141264
3. Kumar S, Saha, A Brahma K, Bhowmik S. (2022, August). Numerical Analysis of Hemp Fiber Reinforced Epoxy Composites for Evaluating Micro-Mechanical Characteristics. In International Conference on Recent Advances in Mechanical Engineering Research and Development (pp. 153-163). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-0900-7_12.
4. Mahakur VK, Paul R, Kumar S, Patowari PK, Bhowmik S. (2022, December). A study on mechanical properties and tribological behaviour of jute filler composites. In Techno-Societal 2016, International Conference on Advanced Technologies for Societal Applications (pp. 731-739). Cham: Springer International Publishing. https://doi.org/10.1007/978-3-031-34644-6_75.
5. Kumar S, Mahakur VK, Bhowmik S. Effects of Fiber Loading on Physical and Mechanical Properties of Flax-Ramie-Reinforced Polymeric Biocomposites for Structural Applications. InInternational Conference on Recent Advancements in Mechanical Engineering 2023 Feb 3 (pp. 329-338). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-4167-0_28.
6. Mahakur VK, Hazam BP, Chauhan N, Bhowmik S, Kumar S. Experimental and ANN Evaluation on Tribological Performance of Corn-Husk Filler-Based Composites. InInternational Conference on Mechanical Engineering 2024 Jan 5 (pp. 359-370). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-6667-3_29.
7. Purkayastha S, Kumar S, Mahakur VK, Chauhan N, Bhowmik S. The Effects of Treated Rice Husk Bio-filler at Different Weight Fraction on Tribological Characteristics of Sustainable Composites and Its ANN Evaluation. InInternational Conference on Mechanical Engineering 2024 Jan 5 (pp. 371-384). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-6667-3_30.
8. Kumar A, Kumar D, Kumar S, Bhowmik S. Corrosion Behavior of Banana Peel-Based Epoxy Polymer Composite Under Different Weight Solutions of NaOH and NaCl Solution. InInternational Conference on Mechanical Engineering 2024 Jan 5 (pp. 93-104). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-6667-3_8.
9. Dey T, Kumar S, Bhowmik S. Assessment of the Mechanical Characteristics of a Polymeric Composite Reinforced with Rice Husk Filler. InInternational Conference on Recent Advancements in Mechanical Engineering 2024 Feb 2 (pp. 89-98). Singapore: Springer Nature Singapore. https://doi.org/10.1007/978-981-97-7535-4_8.

Patents

Granted

1. Developing light-weighted and cost-effective knee prosthesis leg from naturally derived biocomposite 26 July 2023. (Patent No. 202023103875).
2. System for producing jute-filler composites and studying the drilling performance of the produced composites. 19 Feb. 2024. (Patent No.: 202024100047).

Published

1. Multi-Disease Analysis device (Patent No. 20241100023 A).

Filed
1. Lightweight, durable and biocompatible knee prosthetic limb device and methods that mimics the natural biomechanics function of human knee joint.

Research Activity

 Successfully completed two sponsored projects (KVIC and MSMEs) on Utilization of natural solid waste as bio-fiber/fillers to develop sustainable biocomposites for various indoor, household, and domestic products for contributing towards achievements of sustainable development goals.

Significant Contribution to Teaching/Academic Education Environment/Institutional Corporate Life

• Key Note Invited Speaker at 8th Asian Conference on Mechanics of Functional Materials and Structure (ACMFMS-2022) at IIT Guwahati.
• Attended the 2nd International Conference on Recent and Advanced Composite Materials (ICRACM-2023) as Guest Speaker at SRM University Chennai.
• Reviewer of 3rd International conferences on “Smart Engineering” (PiCET-2020) organized by Faculty of Engineering & Technology Parul University, Vadodara and University of Mons, Belgium.
• Technical Reviewer of 5th International Conference on Materials Science and Manufacturing Technology 2023 held at Akshaya College of Engineering and Technology, Coimbatore, Tamil Nadu, (ICMSMT 2023).
• INAE-SERB Sponsored Three-day National Workshop on Self-employment through Entrepreneurship-The path for self-reliant India at National Institute of Technology Silchar, Assam (26th to 28th July 2023).
• Conducted the IEEE International Conference on 1st Global Conference on Cognitive Computing and Communication Technology (GC4T-25) Organized by Dr. D.Y. Patil School of Science and Technology on 4th & the April 2025 and worked as a Technical Chair and program committee in the conference.
• Worked as NAAC Co-ordinator for Criteria-IV at Dr. D.Y. Patil Vidyapeeth, Pune.
• Worked as Research Co-ordinator and Research & Development Advisor at Dr. D.Y. Patil School of Science and Technology, Tathwade, Pune.