Qualification

1. PhD (IIT Roorkee),

2. M. Tech.(IIT Delhi),

3. B.E.(Dibrugarh University)

Specialization

Thermal Engineering

Experience

14 years in Teaching and 2 years in Industry

Research/Publication 

1. Gupta A., Kumar R., Gupta A., Condensation of R-134a inside a helically coiled tube-in-shell heat exchanger, Experimental Thermal and Fluid Science, Vol. 54, 2014, pp. 279-289. ISSN: 0894-1777.

2. Gupta A., Performance Evaluation of Diesel Engine Fuelled with Karanja Biodiesel, Journal of Alternate Energy Sources and Technologies ISSN: 2230-7982 (Online), ISSN: 2321-5186 (Print) Vol. 9, Issue 3, 2018, pp. 40-43

3. Gupta A., Kumar P., Kumar R., Chauhan G., Heat transfer enhancement by twisted tape inserts during condensation of R-245fa inside a horizontal tube, 23rd IIR International Congress of Refrigeration Refrigeration for Sustainable Development, Prague, Czech Republic, 2011, pp. 604-610. ISBN: 978-1- 61839-748-5.

4. Gupta A., Kumar R., Gupta A., An experimental study of pressure drop characteristics for flow condensation of R-134a inside horizontal straight tube, Fourth IIR (International Institute of Refrigeration) Conference on Thermophysical Properties and Transfer Processes of Refrigerants, Delft, The Netherlands,2013, pp. 164-172. ISBN: 978-1-62993-213-2, ISSN: 0151-1637

5. Gupta A., Kumar P., Kumar R., Chauhan G., Pressure drop by twisted tape inserts during condensation of R-245fa inside horizontal tube, National Conference on Refrigeration and Air Conditioning, Indian Institute of Technology, Madras, 2011, B.15.

6. Gupta A., Kumar R., Gupta A., An experimental study of heat transfer characteristics of R-134a condensing inside horizontal straight tube, Proceedings of the 22thNational and 11th International ISHMT-ASME Heat and Mass Transfer Conference, Indian Institute of Technology, Kharagpur, 2013. Paper ID: HMTC1300667.

Qualification : Ph.D, M.Tech, B.Tech

Experience:

Assistant Professor in the Department of Mechanical Engineering, Regional Institute of Science and Technology, Meghalaya (19th April 2021- Present)

Currently Teaching Courses:

1. Computational Fluid Dynamics (Final yr. B.Tech.),

2. Applied Thermodynamics-I (Second yr. B.Tech.),

3. Theory of Machines-II (Second yr. B.Tech.),

4. Workshop Practice-II (Second yr. B.Tech.).

Area of Interest/Specialization:

Convection Heat Transfer, Fluid Mechanics, Thermal Engineering.

Teaching Interests:

Computational Fluid Dynamics, Heat Transfer, Thermodynamics, Fluid Mechanics.

Research Interests:

Convection Heat Transfer, Experimental Techniques, Computational Fluid Dynamics, MATLAB, Environmental Pollution.

Educational Qualification:

1. Ph.D. (Mechanical Engineering) from National Institute of Technology Silchar, Assam in 2021.

2. M.Tech. (Thermo-Fluid Engineering) from North Eastern Regional Institute of Science and Technology, Nirjuli, Arunachal Pradesh with 4.87/5.0 CGPA (Departmental Gold Medal) (2014-2016).

3. B.Tech. (Mechanical Engineering) from Kalasalingam Academy of Research and Education, Krishnankoil, Tamilnadu with 7.819/10.0 CGPA (2009-2013).

International Publication:

1. Krishna Roy and Biplab Das, Influence of property variation on natural convection in a vertical finned channel: An extended study, Journal of Thermal Science and Engineering Applications, Vol. 13(3), (2021) Pg. 031019. https://doi.org/10.1115/1.4048415

2. Krishna Roy, Asis Giri and Biplab Das, Laminar Entry Region Mixed Convection Heat Transfer from an Inclined Rectangular Fin Array, International Journal of Numerical Methods for Heat and Fluid Flow, Vol. 30(6), (2020) Pg. 3283-3305. https://doi.org/10.1108/hff-04-2019-0275

3. Krishna Roy and Biplab Das, Convective heat transfer from an inclined isothermal fin array: A computational study, Thermal Science and Engineering Progress, Vol. 17, (2020) Pg. 100487. https://doi.org/10.1016/j.tsep.2020.100487

4. Krishna Roy, Asis Giri and Biplab Das, A computational study on natural convection heat transfer from an inclined plate finned channel, Applied Thermal Engineering, Vol. 159, (2019) Pg. 113941. https://doi.org/10.1016/j.applthermaleng.2019.113941

5. Krishna Roy and Biplab Das, Effect of Property Variation on the Fluid Flow and Thermal Behavior in a Vertical Channel, Journal of Applied Fluid Mechanics, Vol. 12(4), (2018) Pg. 1177-1188. https://doi.org/10.29252/jafm.12.04.29537

6. Krishna Roy, Biplab Das and Subhrajit Dutta, Natural Convective Heat Transfer from an Inclined Isothermal Fin Array, International Conference on Recent Innovations and Developments in Mechanical Engineering (ICRIDME 2018), 08-10 November, (2018), NIT Meghalaya. (Published as book chapter: Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering, Pg. 1055-1068 Springer, 2020). https://doi.org/10.1007/978-981-15-0124-1_94

7. Krishna Roy, Asis Giri and Maibam Romio Singh, Experimental Investigation of Force Convective Cooling of Rectangular Blocks, International Conference on Recent Innovations and Developments in Mechanical Engineering (IC-RIDME 2018), 08-10 November, (2018), NIT Meghalaya. (Published as book chapter: Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering, Pg. 687-697, Springer, 2020). https://doi.org/10.1007/978-981-15-0124-1_62

Qualification:

Master of Engineering (Mechanical), Assam Engineering College, B.E

Specialization:

Thermal Engineering

Publication:

(i) Fabrication and testing of dry waste sorting machine.IRJET, vol 2, Dec 2015 (ii) Waste composting a sustainable practice. IJIRST, Vol 2, Issue 11, April 2016.ISSN (online) 2349 6010.

Experience:

8 yerars 10 months (teaching)

Subject taught:

1. Project Engineering,Manufacturing Methods, Operation Research Technique,Metrology, Theory of Machines.

Qualification:

1. M. Tech in Machine Design (VTU, Belgaum, Karnataka)
2. BE in Mechanical Engineering (VTU, Belgaum, Karnataka)

Experience:

i) Worked as Design Engineer in Kanchi Technologies Pvt. Ltd, Bangalore (2 years)
ii) Assistant Professor in the department of Mechanical Engineering, RIST (4.5 years)

Subjects Taught:

Engineering Mechanics, Machine Drawing, Machine Design, Fluid Mechanics, Hydraulic Machines, Workshop Theory, Mechanical Vibration

Other achievements:

Guided two projects under NGIEDC

Qualification : M.Tech, B.E

Specialization : Applied Mechanics

Research/Publication: 2

Experience : 3.5 years

Subjects taught:

1. Fluid Mechanics, 

2. Solid Mechanics, 

3. Material science, 

4. Manufacturing Methods, 

5. Heat and Mass Transfer.

Qualification:

B.E (Mechanical Engineering), M.Tech (Production Technology)

Specialization:

Production Technology

Experience:

4 years in teaching

Subjects taught:

Engineering Mechanics, Refrigeration and Air conditioning, Fluid Mechanics, Safety in Engineering Industry, Material Science, Mechanics of Material Manufacturing Science, Energy Engineering, Power Plant Engineering