Birla Institute of Technology, Mesra
Dr. Apurba Kumar Roy
Associate Professor and Head, Mechanical Engineering
Ph.D. 		Contact Address
Permanent Address BIT Mesra, Ranchi
Local Address Inner Campus, BIT Mesra, Ranchi
Phone (Office) 0651-2275924
Phone Residence 8897479525
Email Id akroy@bitmesra.ac.in
Joined Institute on : 3-Dec-2010
  Work Experience
 
Teaching : 19 Years

Research : 19 Years

Individual: 7 Years
  Research Areas
 

Fluid Mechanics and Hydraulic Engineering, CFD, Turbo machines, Multi-phase flow, Modelling and analysis

 

 

 

Research Undertaken:

Doctoral Level            :          

Awarded            : Film Cooling Effectiveness in Liquid Rocket Engines, Prakhar Jindal (Ph.D./ME/10001/2013)(Awarded).

Ongoing             :Two

 

Masters Level :          

Awarded          :           10

Ongoing           :           1

 
  Award and Honours
 

1. Distinguished Faculty In Engineering by Venus International(VIFA 2017) for exceptional academic records and research excellence in the area Mechanical Engineering.

2. Best Research Paper Award at ICARAE2021 for Paper titled “Numerical Analysis of Heat Conduction Through an Orthotropic Material Employing Python".

3. Best Paper Award at ICMMSE 2019 for Paper titled “Forced Convection Heat Transfer in a Twin Cylinder System under Static Condition using Computational Approach”

4. Best Paper Award at ICEMS 2013 for Paper titled “Comparison of design validation of a mixed flow pump impeller blade using CATIA and ANSYS”.
  Publications
 

 

International Journal Publications

2023

      1. Comparative Study on Controllable Electro-Magneto Rheological Fluids- A Brief  Review, Ranjan Kumar, Apurba Kumar Roy and Kaushik Kumar, Journal of Molecular and Engineering Materials, 11(1&2), 2023. 11 pages, DOI:10.1142/S2251237323300024.

  • 2. Design and Numerical Simulation of a Solar Cooker with Aluminium Absorber Plate, Birendra Kishore, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 92(2023) 1040-1046. DOI: 10.1016/j.matpr.2023.04.688

2022

  1. Python Assisted Numerical Analysis of Heat Conduction for an Orthotropic Material, Ashutosh Ranjan, Arpan Kumar, Apurba Kumar Roy and Kaushik Kumar, Advances in Materials and Processing Technologies;ISSN: 2374-0698 (Online) (ID: 2031561) https://doi.org/10.1080/2374068X.2022.2031561 (IF 1.76)(SCI).
  2. Numerical Analysis of Heat Conduction through an Orthotropic Material Employing Python Arpan Kumar, Apurba Kumar Roy, Kaushik Kumar, and B. Sridhar Babu, Material Science Forum; International Journal on Interactive Design and Manufacturing (IJIDeM) (2022) 17:1089–1097 https://doi.org/10.1007/s12008-022-01051-4ISSN: 1662–9752 (SCOPUS/WOS).

2021

  1.  Numerical and thermal modelling of machining implants: A case with Ti6Al4V alloy with unsteady heat diffusion; Apurba Kumar Roy, P. Jeyapandiarajan and Kaushik Kumar, Materials Today: Proceedings, 46 (17), 7695–7700; ISSN: 2214-7853;  https://doi.org/10.1016/j.matpr.2021.02.145) (SCOPUS/WOS).
  2. A Water Model Study on The Impact of Blockage of Port on Meniscus Variation by Varying Numerous Parameters, M Kumar, Apurba Kumar Roy and  P Mishra, AIP Conference Proceedings, 2021, 23581(1), pages-120003. https://doi.org/10.1063/5.0057932(SCOPUS/WOS).
  3. Experimental Optimization of Submerged Entry Nozzle Submergence Depth to Reduce Meniscus Fluctuations: A Water Model Study, M Kumar, P Mishra, Apurba Kumar Roy, Materials Today: Proceedings, 2021 41, 426-430. https://doi.org/10.1016/j.matpr.2020.10.070(SCOPUS/WOS).
  4. Analysis of Different Mould Section Sizes to Optimize the Submerged Entry Nozzle to Measure the Meniscus Fluctuation in a Continuous Casting Mould, M Kumar, P Mishra, Apurba Kumar Roy - Crystals, 2021, 11(5), pages-456.(ESCI). https://doi.org/10.3390/cryst11050564(SCI).

 

2020

  1. Design of Mixed Flow Pump Impeller Blade using Mean Stream Line Theory and its Analysis, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, Scientia Iranica Transactions B: Mechanical Engineering, 27(1); 350–360, ISSN: 2345–3605 (SCI Indexed) (IF 0.475) (http://doi.org/10.24200/SCI.2018.20829)(SCI).
  2. 2D Heat Conduction on A Flat Plate with Ti6Al4V Alloy Under Steady State Conduction: A Numerical Analysis; Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 46 (1), 896 – 902; ISSN: 2214-7853; https://doi.org/10.1016/j.matpr.2020.12.1152(SCOPUS/WOS).
  3. Modeling and Simulation of Film Cooling Effectiveness on a Flat Plate, Anuj Minz, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 22, 3261–3267; ISSN: 2214-7853 https://doi.org/10.1016/j.matpr.2020.03.287(SCOPUS/WOS).

2019

  1. Sustainability in Bio-Metallic Orthopedic Implants, Apurba Kumar Roy and Kaushik Kumar, Biointerface Research in Applied Chemistry, 9 (1) (2019) 3825 – 3829; http://doi.org/10.33263/BRIAC91.825829; ISSN: 2069-5837. (SCI Indexed) (IF 1.949)(SCI).
  2. Analysis of Film Cooling Effectiveness Using Computational Approach, Anuj Minj, Kaushik Kumar and Apurba Kumar Roy, AIP Conference Proceedings 2200, 020003 (2019); https://doi.org/10.1063/1.5141173; ISSN: 0094-243X(SCOPUS/WOS).
  3. Forced Convection Heat Transfer in a Twin Cylinder System under Static Condition using Computational Approach, Sumit Chandra, Kaushik Kumar and Apurba Kumar Roy, AIP Conference Proceedings 2200,020006(2019);ISSN:0094–243X https://doi.org/10.1063/1.5141176(SCOPUS/WOS)..
  4. CFD Assisted Investigation on Adiabatic Film Cooling Effectiveness over a Flat Plate, Kunal, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 18 (7), 3711–3716; https://doi.org/10.1016/j.matpr.2019.07.305;   ISSN: 2214–7853(SCOPUS/WOS).

2018

  1. Experimental Studies on Hydrodynamic Characteristics using an Oblique Plunging Liquid Jet, Apurba Kumar Roy and Kaushik Kumar, Physics of Fluids, 30, 122107 (2018); http://doi.org/10.1063/1.5058123; ISSN: 1089 – 7666 (SCI Indexed) (IF 2.279)(SCI).
  2. Maximization of Cooling Effectiveness of Turbine Blade Surfaces Using Different Arrangement of Cooling Holes and Various Blowing Ratios, Madhurima Dey, Prakhar Jindal, Apurba Kumar Roy and Kaushik Kumar, Journal of Engineering Science and Technology, 2018, Vol. 13 (4), pp 909 – 924, ISSN: 1823-4690. (SCI Indexed) (IF 0.19)(SCI).
  3. Design and Optimization of Mixed Flow Pump Impeller Blades with Hydrostatic Loading and Varying Semi-cone Angle, Nehal Dash, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2018, Vol. 5 (5/2), pp 11608–11615, https://doi.org/10.1016/j.matpr.2018.02.130, ISSN: 2214-7853(SCOPUS/WOS).
  4. Design and Optimization of Mixed Flow Pump Impeller Blades by varying Semi-cone Angle, Nehal Dash, Apurba Kumar Roy and Kaushik Kumar, IOP Conf. Series: Materials Science and Engineering, 2018, Vol. 330, 012095, https://doi.org/10.1088/1757-899X/330/1/012095, ISSN: 1757-899X(SCOPUS/WOS).
  5. Design validation & stress analysis of mixed flow pump impeller blades under applied uniformly distributed and uniformly varying loads, Sambhrant Srivastava, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2018, Vol. 5, pp 4446 – 4452, ISSN: 2214-7853(SCOPUS/WOS).
  6. Design and Optimization of Mixed Flow Pump Impeller Blades – A Review, Nehal Dash, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2018, Vol. 5, pp 4460 – 4466, https://doi.org/10.1016/j.matpr.2017.12.015, ISSN: 2214-7853(SCOPUS/WOS).

2017

1. Comparison of Stresses in Blade of a Mixed Flow Pump Impeller Designed Using Mean Stream Line Method and Free Vortex Method, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2017, Vol. 4 (8), pp 9333 – 9340, ISSN: 2214-7853. (WoS Indexed)

2. Material Analysis for Blade of a Mixed Flow Pump Impeller Designed Through Mean Stream Line Method, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2017, Vol. 4 (4/A), pp  1580 – 1589, ISSN: 2214-7853. (WoS Indexed)

3. Numerical Investigation of Film Cooling Enhancement Using Staggered Row Mixed Hole Arrangement, P Jindal, S Agarwal, R P Sharma and A K Roy, Journal of Thermal Science and Engineering Applications[ASME], 2017 Vol.9(Issue 2), 021007 ,9 pages, Paper No: TSEA-16-1070; ISSN: 1948-5085. Article number 011007,doi: 10.1115/1.4035448(SCI Indexed).

 

2016

1. Design of Blade of Mixed Flow Pump Impeller Using Mean Stream Line Method, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, Procedia Technology, 2016 Vol.23, pp 464–471, ISSN: 2212-0173.

2. Effect of Geometry and Array of Cooling Holes in Film Cooling Over an Adiabatic Flat Plate – A Computational Approach, Madhurima Dey, Prakhar Jindal, Apurba Kumar Roy and Kaushik Kumar, REST Journal on Emerging trends in Modelling and Manufacturing, 2016 Vol.2(1), pp 10–20, ISSN: 2455-4537

3. Vibration Analysis Of Mixed Flow Pump Impeller Blade Designed Using Mean Stream Line Method, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, Applied Mechanics and Materials, 2016, Vol. 852, pp 476 – 482, ISSN: 1662-7482.

4. Numerical Investigation of Film Cooling Effectiveness in Turbine Blades, M Dey, P Jindal and  A K Roy, American Journal of Fluid Dynamics, 2016 Vol. 6 (Issue1), pp. 20-26, ISSN: 2168-4715.

5. Effect Of Hole Shapes, Orientation And Hole Arrangements On Film Cooling Effectiveness,P.Jindal, A.K.Roy and R.P.Sharma, International Journal of Aeronautical and Space Sciences, 2016 Vol.17 (Issue 3),pp. 341-351, ISSN: 2093-2480.(SCI Indexed) (IF 0.483)

6. Computational study of turbine blade cooling with various blowing ratios, Madhurima Dey and Prakhar Jindal, A K Roy,  Carbon - Science and Technology, 2016 Vol. 8 (Issue2), pp. 46-54, ISSN: 0974-0546.

7. Film cooling effectiveness for different hole shapes and blowing ratios, Prakhar Jindal,  Subham Agarwal and A K Roy, ARPN Journal of Engineering and Applied Science(ARPN), 2016 Vol.11, No. 16, pp. 10059-10064, ISSN: 1819-6608.

8. Computational Analysis of Film Cooling Effectiveness for Different Injection Geometries & Orientation Angles, Jindal, P., Roy, A.K. and Sharma, R.P., Springer Journal of The Institution of Engineers (India): Series C, ISSN: 2250-0553, (2016). [Under Review] (Indexed: Scopus)

2015

1. Analysis of Mixed Flow Pump Impeller of Stainless Steel Material Using ANSYS, Santosh Shukla, Apurba Kumar Roy and Kaushik Kumar, International Journal of Applied Engineering Research, 2015, Vol. 10, No. 11, pp. 10181 – 10186, ISSN: 0973-4562.

2. Optimization of Thickness of Blades of Different Materials in a Mixed Flow Pump Impeller, Santosh Shukla, Apurba Kumar Roy and Kaushik Kumar, International Journal of Applied Engineering Research, 2015, Vol. 10, No. 55, pp. 3657 – 3661, ISSN: 0973-4562.

3. Design Optimization of a Mixed Flow Impeller Blade Adopting Taguchi Technique, Santosh Shukla, Apurba Kumar Roy and Kaushik Kumar, International Journal of Applied Engineering Research, 2015, Vol. 10, No. 55, pp. 3855 – 3858, ISSN: 0973-4562.

4. Material Selection for blades of Mixed Flow Pump Impeller Using ANSYS, Santosh Shukla, Apurba Kumar Roy and Kaushik Kumar, Materials Today: Proceedings, 2015 Vol. 2, pp  2022 – 2029, ISSN: 2214-7853. (WoS Indexed)

5. Mass Optimization of Mixed Flow Pump Impeller Blade based on Thermal and Structural Loading Conditions Blade Designed Using Mean Stream Line Theory, Divya Zindani, Apurba Kumar Roy and Kaushik Kumar, International Journal of Applied Engineering Research, 2015, Vol. 10, No. 93, pp. 195 – 198, ISSN: 0973-4562.

6. Numerical Study of Film Cooling For Various Coolant Inlet Geometries, Jindal, P., Roy, A.K. and Sharma, R.P., International Journal of Engineering and Technology (IJET), Vol. 7, No 5, pp. 1659-1670, ISSN: 0975-4024, (2015). (Indexed: Scopus)

2014

1. Optimization of Machine Process Parameters on Overcut in EDM for EN19 Material using RSM, Shashikant, Apurba Kumar Roy & Kaushik Kumar, International Journal of Current Engineering and Technology, Special Issue-3, 50-53, 2014, ISSN: 2277-4106

2. Effect and Optimization of various Machine Process Parameters on the Surface Roughness in EDM for an EN41 Material using Grey-Taguchi, Vikas, A.K.Roy & Kaushik Kumar, Procedia Material Science, 2014, Vol. 6C, pp. 383-390, ISSN: 2211-8128.

3. Design of a mixed flow pump impeller blade and its validation using stress analysis, Sambhrant Srivastava, A.K.Roy & Kaushik Kumar, Procedia Material Science, 2014, Vol. 6C, pp. 417-424, ISSN: 2211-8128.

4. Design of a mixed flow pump impeller and its validation using FEM analysis, Sambhrant Srivastava, Apurba Kumar Roy & Kaushik Kumar, Procedia Technology, 2014, Vol. 14C, pp. 181-187.

5. Effect and Optimization of Machine Process Parameters on MRR for EN19 & EN41 materials using Taguchi, Vikas, Shashikant, Apurba Kumar Roy & Kaushik Kumar, Procedia Technology, 2014, Vol. 14C, pp. 204-210, ISSN: 2212-0173.

6. Design analysis of Mixed Flow Pump Impeller Blades Using ANSYS and Prediction of its Parameters using Artificial Neural Network, Sambhrant Srivastava, Apurba Kumar Roy & Kaushik Kumar, Procedia Engineering, 2014, Vol. 97, pp. 2022 – 2031, ISSN: 1877-7058.

7. Optimization of Mixed Flow Pump Impeller Blade Thickness Using Artificial Neural Network, Sambhrant Srivastava, Apurba Kumar Roy & Kaushik Kumar, International Journal of Applied Engineering Research, 2014, Vol. 9, No.26, pp. 8815-8817, ISSN 0973-4562 

8. Effect and Optimization of various Machine Process Parameters on the MRR, Over-cut and Surface Roughness in EDM for an EN41 Material using Grey-Taguchi Approach, Vikas, Apurba Kumar Roy & Kaushik Kumar, International Journal of Applied Engineering Research, 2014, Vol. 9 No.26 pp. 8963-8966, ISSN 0973-4562.

9. Effect and Optimization of Various Machine Process Parameters on the Surface Roughness in EDM for an EN19 Material using Response Surface Methodology, Shashikant, A.K.Roy & Kaushik Kumar, Procedia Material Science, 2014, Vol. 5C, pp. 1704-1711, ISSN: 2211-8128.

2013

1. Effect and optimization of machine process parameters on material removal rate in EDM for EN41 material using Taguchi, Vikas, Apurba Kumar Roy & Kaushik Kumar, International Journal of Mechanical Engineering and Computer Applications, 2013, 1(5), pp. 35-39, ISSN: 2320-6349.

2. Design and Stress Analysis of a Mixed Flow Pump Impeller, Arunangsu Das, Apurba Kumar Roy & Kaushik Kumar, International Journal of Mechanical Engineering and Computer Applications, 2013, 1(5), pp 1–7, ISSN: 2320-6349.

3. Optimization of machine process parameters on material removal rate in EDM for EN19 material using RSM, Shashikant, Apurba Kumar Roy & Kaushik Kumar, IOSR Journal of Mechanical and Civil Engineering, 2013, 5, pp 24 – 28, ISSN: 2278-1684.

4. Comparison of design validation of a mixed flow pump impeller blade using CATIA and ANSYS, Sambhrant Srivastava, Arunangsu Das, Apurba Kumar Roy & Kaushik Kumar, International Journal of Management and Technical Research, 2013, pp 1(1), 33 – 42, ISSN: 2347-9035.

5. Visualisation of air entrainment by a plunging jet, A.K. Roy, B. Maiti and P. K. Das, Procedia Engineering [Scopus Indexed], 2013, Vol. 56, pp. 468-473, ISSN: 1877-7058.

International Conference Publications

 

  1. Adiabatic Film Cooling Effectiveness over a Flat Plate: A Computational Approach, Proceedings of 2nd International Conference on Emerging Trends in Mechanical Engineering, March, 2018, Bhopal
  2. Optimization of Forced Convection Heat Transfer in a Twin Cylinder System Under Static Condition, Proceedings of 2nd International Conference on Emerging Trends in Mechanical Engineering, March, 2018, Bhopal
  3. Development of CFD model for fluidized bed biomass gasifier, 2015, 23rd National and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference (IHMTC-2015). ISRO, Thiruvananthapuram, India. 17-20 December,2015 Paper No: IHMTC2015-25.
  4. Design and FEM Analysis of a Mixed Flow Pump Impeller, Proceedings of IC MEETS – 2014, Bhopal, January 2014.
  5. Experimental studies on hydrodynamic characteristics of a  vertical plunging liquid jet system,2014, 16th  International Conference  on Applied Mechanics and Mechanical Engineering.  16th  Int. AMME Conference, 27-29 May, 2014,Military Technical College Kobry El-Kobbah, Cairo, Egypt. 
  Member of Professional Bodies
 

(i) Member of Institute of Engineers (India) 

(ii) Life Member of ISTE

(iii) Life Member of FMFP
  Current Sponsored Projects
 

Principal Investigator of the project titled “Advanced Research in Energy Technology and Materials Testing”, DST FIST 2022, New Delhi, India, December/2022. (88L)
  Text and Reference Books
 

 

Publication:

BOOK

Books Published

 

2020

1.Kumar, K., Roy, A.K. and Dash, N., Material Science and Engineering (ISBN 978–93–89583–08–3), Dreamtech Press, New Delhi, INDIA

2.Kumar, K., Roy, A.K. and Kumari, N., Understanding CREO Parametric Through Examples (ISBN 978–93–89583–13–7), Dreamtech Press, New Delhi, INDIA

3.Kumar, K., Roy, A.K. and Debta, S., Basic Mechanical Engineering (ISBN 978–93–89583–91–5), Dreamtech Press, New Delhi, INDIA

2018

  1. Kumar, K., Roy, A.K. and Dash, N., Material Science and Engineering (ISBN 978–93–85909–64–1), I.K. International Publishing House Pvt. Ltd., New Delhi, INDIA
  2. Kumar, K., Roy, A.K. and Kumari, N., Understanding CREO Parametric Through Examples (ISBN 978–93–85909–82–5),  I.K. International Publishing House Pvt. Ltd., New Delhi, INDIA
  3. Kumar, K., Roy, A. K. and Ranjan, C., Engineering Graphics and Design, (ISBN 978–93–52718–72–6) Vikas Publishing House Private Limited, New Delhi, INDIA.
  4. Kumar, K., Roy, A. K. and Ranjan, C., Engineering Graphics (For JNTU, Hyderabad), (ISBN 978–93–52718–88–7) Vikas Publishing House Private Limited, New Delhi, INDIA.

2017

  1. Kumar, K., Roy, A.K. and Debta, S., Basic Mechanical Engineering (ISBN 978–93–85909–68–9), I.K. International Publishing House Pvt. Ltd., New Delhi, INDIA

2016

  1. Zindani, D., Roy, A.K. and Kumar, K. 2016. Working With ANSYS – A Tutorial Approach (ISBN 978–93–85909–26–9), I.K. International Publishing House Pvt. Ltd., New Delhi, INDIA

 

 

 

BOOK CHAPTERS

2023

  1. Roy, A.K. and Kumar, K, "Performance Evaluation of a Low Head Hydraulic Air Compressor: A Prospective Source of Renewable and Green Energy," submitted to "Optimization Techniques for Hybrid Power Systems: Renewable Energy, Electric Vehicles, and Smart Grid", IGI Global USA.(ACCEPTED FOR PUBLICATION).

2018

  1. Zindani, D., Roy, A.K. and Kumar, K., Design of Impeller Blade of Mixed Flow Pump: A Comparative Analysis. In Kumar, K. and Davim, J.P. eds. Design and Optimization of Engineering Products. IGI Global USA. pp. 37 – 66. DOI: 10.4018/978-1-5225-3401-3.ch003.
  2. Faisal, N. Kumar, K. and Roy, A. K., Fuzzy Logic Approach for Material Selection in Mechanical Engineering Design, In Ram, M. ed. Advanced Fuzzy Logic Approaches in Engineering Science. IGI Global USA pp. 99 – 116. DOI: 10.4018/978-1-5225-5709-8.ch005
  3. Singh, S., Zindani, D., Roy, A. K. and Kumar, K., Fuzzy Logic for Renewable Energy Systems. In Ram, M. ed. Advanced Fuzzy Logic Approaches in Engineering Science. IGI Global USA pp. 284 – 309. DOI: 10.4018/978-1-5225-5709-8.ch013.
  4. Zindani, D., Kumar, K., Roy, A. K. and Davim, J.P., Fuzzy Logic for Machining Applications: Review. In Ram, M. ed. Advanced Fuzzy Logic Approaches in Engineering Science. IGI Global USA pp. 341 – 361. DOI: 10.4018/978-1-5225-5709-8.ch016.

2017

  1. Dash, N., Roy, A. K., Debta, S. and Kumar, K., Optimization of Process Parameters in Plasma Arc Cutting Applying Genetic Algorithm and Fuzzy Logic. In Ram, M. and Davim, J.P. eds. Soft Computing Techniques and Applications in Mechanical Engineering. IGI Global USA pp. 123 – 139. DOI: 10.4018/978-1-5225-3035-0.ch005.
  2. Zindani, D., Roy, A. K. and Kumar, K. Mass Optimization of Mixed Flow Pump Impeller Blade based on Thermal and Structural Loading Conditions Blade Designed Using Mean Stream Line Theory. In Choi, Hongseok ed. Introduction to Mechanical Engineering (ISBN: 978–81–935729–7–9). Research India Publications INDIA pp. 31 – 41.

2016

  1. Roy, A.K., Roy, S. and Kumar, K. 2016. Strategic Designing and Optimization of Mixed Flow Impeller Blades for Maritime Applications. In: Zezzatti A. O., Sánchez, J., Campos, G. C. and Lourdes, M. eds. Handbook of Research on Military, Aeronautical, and Maritime Logistics and Operations USA: IGI Global, pp. 470 – 508. DOI: 10.4018/978-1-4666-9779-9.ch025.
  Intellectual Property Rights (IPR)
 

Design Patent granted

1. Design No. 361118-001 dated 23.03.2022 (Title “Design of Solar Cooker Operative Both During Sun Shine and Off-Sun Shine Hours”)

2. German Utility Model Grant no. 202022103058 Dated 02.08.2022 (Title “An apparatus for an Automatic Wheel Changing Mechanism”)

 

 
  Member, Editorial Board
 

1. Reviewer of International Journal of Thermal Sciences.

2. Reviewer of International Journal of Vacuum.