Dr. Sandeep Kumar

Dr. Sandeep Kumar is an Assistant Professor in Mechanical Engineering Department at Delhi Technological University. He obtained his Ph.D. in Mechanical Engineering from Indian Institute of Technology (IIT) Roorkee in 2019. He completed his M.Tech. in Mechanical Engineering from IIT Roorkee in 2013 and earned his B.Tech. in Production Engineering from G. B. Pant University of Agriculture & Technology, Pantnagar in 2010. His research primarily focuses on ultrasonic machining, micro-ultrasonic machining, advanced and hybrid manufacturing processes, processing of composites, microfabrication, Dissimilar Metal joining, AM and optimization of manufacturing processes. Dr. Kumar has published more than 20 research papers in reputed international journals and conferences. He is an inventor with two granted Indian patents. Dr. Kumar has over 5 years of combined teaching, research, and academic experience.

Google Scholar ID: https://scholar.google.com/citations?view_op=list_works&hl=en&hl=en&user=zKgBPhgAAAAJ&sortby=pubdate 

Institute	Position	Duration
Delhi Technological University, New Delhi	Assistant Professor	December 2025 –Till Date
Women Institute of Technology Dehradun, Uttarakhand	Assistant Professor (STE)	August 2024-December 2025
G. B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand	Teaching Personnel	November 2022-July 2024
Shivalik College of Engineering Dehradun, Uttarakhand	Assistant Professor	May 2022-November 2022
National Institute of technology Kurukshetra, Haryana	Guest Faculty	August 2021-November 2021
G. B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand	Teaching Personnel	November 2020-July 2021
Quantum Global campus Roorkee, uttarakhand	Assistant Professor	July 2013-December 2014

Course taught at PG level:

Advanced Manufacturing Processes

Advanced Welding Technologies

Course taught at UG level:

Manufacturing Science-I

Manufacturing Science-II

Production Technology, Operation research

Materials Science & Technology

Non-conventional Machining Processes

Industrial Engineering & Ergonomics

Nano Materials, Welding and Allied Practices

Production Planning and Control

Machine Tool Engineering

Engineering Drawing

Introduction to Micromachining Processes

Workshop Practices

 

Life time member of the International Association of Engineers (Member No: 276372) 

International Journals (Published) 

S. Kumar, A. Saha, T. Tiwari, C. S. Rakurty, D. Kumar, A. K. Chaudhary and M. Tewari (2025) Machine learning-driven empirical modeling and optimization in rotary tool micro-ultrasonic machining, International Journal of Advanced Manufacturing Technology, Vol. 142, PP. 1249–1266. (SCIE, Impact Factor: 3.7)

S. Kumar, A. Dvivedi, S. Rakurty, T. Tiwari and M. Tewari (2024) “Analytical model for material removal rate in rotary tool micro-ultrasonic machining of hard and brittle materials”, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 09544089231159209. (SCIE, Impact Factor: 2.0)

S. Kumar, A. Dvivedi, T. Tiwari and M. Tewari (2023) “Predictive modeling of tool wear in rotary tool micro-ultrasonic machining”, Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering, 09544089231159209. (SCIE, Impact Factor: 2.0)

N. K. Jha, S. Kumar, R. K. Arya, A. Dvivedi and S. Rajesha (2022) “Performance evaluation and multi-response hybrid optimization of grinding assisted rotary disk ECDM during cutting of Al-6063 SiCp MMC”, Indian Journal of Engineering and Materials Sciences, Vol. 29 (4), pp. 445-458. (SCIE, Impact Factor: 0.9)

S. Kumar and A. Dvivedi (2020) “Development of material removal rate and performance evaluation of ultrasonic turning process”, Materials and Manufacturing Processes. Vol. 35(14), pp. 1598-1611. (SCIE, Impact Factor: 4.5)

S. Kumar and A. Dvivedi (2019) “On Machining of Hard and Brittle Materials using Rotary Tool Micro-ultrasonic Drilling Process”, Materials and Manufacturing Processes. Vol. 34(7), pp.736-748. (SCIE, Impact Factor = 4.5)

S. Kumar and A. Dvivedi (2019) “Micro-ultrasonic drilling of monocrystalline silicon: An experimental investigation on machined surface topography and optimization using user’s preference rating based TOPSIS”, Material Science in Semiconductor Processing. Vol. 102, pp. 1-16. (SCI, Impact Factor = 5.2)

S. Kumar and A. Dvivedi (2019) “On effect of tool rotation on performance of rotary tool micro-ultrasonic machining”, Materials and Manufacturing Processes, Vol. 34(5), pp. 475-486. (SCIE, Impact Factor. = 4.5)

S. Kumar and A. Dvivedi (2019) “Effect of tool materials on performance of rotary tool micro?USM process during fabrication of microchannels”, Journal of Brazilian Society of Mechanical Engineering, Vol. 41:432. (SCIE, Impact Factor: 2.7)

S. Kumar and A. Dvivedi (2018) “Fabrication of microchannels using rotary tool micro USM: An experimental investigation on tool wear reduction and form accuracy improvement”, Journal of Manufacturing Processes, Vol. 32, pp. 802-815. (SCIE, Impact Factor = 7.8)

S. Kumar, A. Dvivedi, A. Suryawanshi, M. Tewari and A. K. Chaudhary, (2021) “Investigations and optimization of rotary tool micro-USM process for fabrication of microchannels”, Materials Today: Proceedings, Vol. 45, pp. 4993-4997 (SCOPUS INDEXED).

M. Tewari, R. S. Jadoun, and S. Kumar, (2021) “Effect of process parameters on tensile strength of Friction stir welded butt joints of thick AA1350 aluminum plates using Taguchi experimental design”, Materials Today: Proceedings, Vol. 44, pp. 2721-2725 (SCOPUS INDEXED).

S. Kumar and A. Dvivedi (2017)“Experimental investigation on drilling of borosilicate glass using micro-USM with and without tool rotation: a comparative study”, International Journal of Additive and Subtractive Materials Manufacturing, Vol. 1(3-4), pp. 213-222 (SCOPUS INDEXED).

S. Kumar and A. Dvivedi (2016) “Studies on the effect of tool rotation in microultrasonic drilling of high aspect ratio holes”, International Journal of Research in Engineering and Technology, Vol. 5(13), pp. 119-121.

S. Kumar, A. Dvivedi and P. Kumar (2014) “Study of ultrasonic machining with workpiece rotation of borosilicate glass”, International Journal of Mechanical Engineering and Robotic Research, Vol. 1(1), pp. 1-6 (SCOPUS INDEXED).

International Conferences

H. K. Rai, M. Tewari, S. Kumar, and A. K. Chaudhary, (2022), “Experimental investigations on resistance spot welding process during joining of E43 SS4012A grade low alloy steel”, Proceedings of the International Conference on Recent Innovations in Science & Technology (RIST-2022), EKC Technical Campus, Kerala.

S. Kumar, A. Dvivedi, A. Suryawanshi, M. Tewari and A. K. Chaudhary, (2021), “Investigations and optimization of rotary tool micro-USM process for fabrication of microchannels”, Proceedings of the 2nd International Conference on Aspects on Material Science and Engineering (ICAMSE-2021), Punjab University Chandigarh.

S. Kumar and A. Dvivedi (2019) “Parametric investigations and optimization of rotary tool micro-USM using Taguchi methodology”, Proceedings of the 6th International Conference on Production and Industrial Engineering (CPIE-2019) NIT Jalandhar.

R. K. Arya, S. Kumar and A. Dvivedi (2019) “ANFIS modelling of aspect ratio in drilling of glass using pressurized flow electrochemical discharge machining process”, Proceedings of the International Conference on Precision, Meso, Micro & Nano Engineering (COPEN-11) IIT Indore.

S. Kumar and A. Dvivedi (2018) “On performance evaluation of helical grooved tool during rotary tool micro-ultrasonic machining”, Proceedings of the 7th International and 28th All India Manufacturing, Design and Research (AIMTDR-2018) Conference at College of Engineering Guindy, Anna University, Chennai.

R. Kumar, S. Kumar and A. Dvivedi (2017) “Effect of tool geometry on performance of rotary tool micro-USM”, Proceedings of the International Conference on Nano technology, Ideas, Innovations and Initiatives (ICN3I-2017), IIT Roorkee.

S. Kumar and A. Dvivedi (2016) “On comparative study of micro-ultrasonic drilling with and without tool rotation”,Proceedings of the 4th International Conference on Production and Industrial Engineering (CPIE-2016) NIT Jalandhar, pp. 327-335.

S. Kumar and A. Dvivedi (2016) “Investigations on fabrication of microchannels using rotary tool micro-ultrasonic machining”, Proceedings of the 6th International and 27th All India Manufacturing, Design and Research (AIMTDR-2016) Conference at College of Engineering Pune, pp. 444-447.

S. Kumar and A. Dvivedi (2016) “Fabrication of 3D complex micro-features used in bio-medical applications”, Proceedings of the 3rd International Conference on Nanotechnology for Better Living (NBL-2016) NIT Srinagar, pp. 255.

S. Kumar and A. Dvivedi (2016) “Studies on the effect of tool rotation in microultrasonic drilling of high aspect ratio holes”, Proceedings of the International Conference on Recent Advances in Engineering & Science (ICRAES-2016). 8th and 9th September 2016, M.S. Ramaiah Institute of Technology Bengaluru.

National Conferences

S. Kumar and A. Dvivedi (2018) “An ultrasonic micro-machining approach for fabrication of micro-molds”, Proceedings of the 12thUttarakhand State Science & Technology Congress 2017-18.

S. Kumar and A. Dvivedi (2016) “Preliminary studies on rotary tool micro-ultrasonic machining process”, Proceedings of the National Conference on Statistics and Analytical Methods in Production and Industrial Engineering (SAMPIE-2016), PEC University of Technology, Chandigarh, pp. 148-153.

S. Kumar and A.Dvivedi (2020) “On performance evaluation of helical grooved tool during rotary tool micro-ultrasonic machining” In: Unconventional Machining and Composites. Lecture Notes on Multidisciplinary Industrial Engineering (pp. 335-345). Springer, Singapore (SCOPUS INDEXED)

S. Kumar and A. Dvivedi and P. Kumar (2017) “On tool wear in rotary tool micro ultrasonic machining”, Proceedings of the 3rd Pan American Materials Congress (pp. 75-82). Springer, Cham. (SCOPUS INDEXED)

A low cost portable mechanical ventilator with feedback control and respiratory monitoring with remote interface, Grant No.-533904, Dated: 21/04/24

A Concentric Tube Heat Pipe Device With Semi Hollow Cylindrical Macro Insert. Grant No. 2023/06632, Dated: 31/01/24  

Ministry of Human Resource Development, Govt. of India national fellowship for M.Tech. Program 2011-2013.

Ministry of Human Resource Development, Govt. of India national fellowship for Ph.D. Program, 2014-2019. 

SHORT TERM COURSES & WORKSHOPS ATTENDED

One week online faculty development program on “Design for Excellence: A Step towards Innovation” organized by Design Innovation Centre, IIT Roorkee along with NIT Uttarakhand from 26-30 September, 2021.

TEQUIP-III sponsored one week online workshop on Automation and Artificial Intelligence in Production Engineering organized by College of technology, Pantnagar Uttarakhand from 22-26 February, 2021.

TEQUIP-III sponsored one week online short terms course on Microwave Material Processing: Opportunities and Challenges organized by NIT Uttarakhand from 14-14 December, 2020. 

ACHIEVEMENTS

Secured All India Rank-17 in GATE-2014 in Production and Industrial Engineering.

Secured All India Rank-38 in GATE-2011 in Production and Industrial Engineering.

Secured All India Rank-63 in GATE-2020 in Production and Industrial Engineering.