Mechanical Engineering

Head of Department

Dr. Koushik Das
Ph.D (IIT Guwahati)

E-mail:
hod.me@nitm.ac.in

Faculty

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Dr. Koushik Das Associate Professor

Ph.D, IIT Guwahati

koushik.das@nitm.ac.in
9485177054
https://nitmeghalaya.irins.org/profile/101612

Research Interest

Thermal analysis in biological systems, Heat transfer enhancement in/using extended surfaces, Heat Pipes

Education Qualification

Ph.D, IIT Guwahati

LINKS

ORCID   |   GOOGLE SCHOLAR     |     SCOPUS     |      VIDWAN 

SPONSORED PROJECTS

Research
  1. Thermal Detection of Malignancy and Estimation of Its Properties in a Human Breast, DST, SERB (ECR), 17.46 Lakhs
  2. Design and Fabrication of Corn (Maize) Shelling Machine to Promote Productivity of Corn in Meghalaya, DIC IIT Guwahati, 2.95 Lakhs.
  3. Design of Shallow Water Turbine for energy Harvesting, Utilizing Stream Water in Hilly Places, DIC IIT Guwahati, 13.67 Lakhs.
  4. Extraction of pineapple leaf fibre and use it for the development of low-cost products, NECTAR, Rs. 12.65 Lakhs


Consultancy
  1. Vetting of Technical Design and Financial Estimate of DPR (For HVAC Plant), Department of Tourism, Govt. of Meghalaya, Rs. 6.26 lakhs

PUBLICATIONS

Patent:

  1. U. Kashyap, K. Das, B.K. Debnath, A vortex generator for efficient heat transfer, Journal of Intellectual Property India (Journal No 24/2021) Application No. 201931050159A, Filed on: December 05, 2019, Published on: June 11, 2021 (Under Examination)

International Journals:

      1. P.S.D. Roy, K. Das, H.M. Kalita, Numerical analysis of tapered wick configurations in cylindrical heat pipes, International Journal of Thermal Sciences, 206, 109333, 2024
      2. Z. Ansari, K. Das, P. R. Babu, Computational Study of Shock Tube using Baffle to enhance the performance for biomedical application, Progress in Computational Fluid Dynamics, An International Journal, 2024 (accepted)
      3. S. Saha, K. Das, The effect of modifications of auxiliary surface attached to a rectangular vortex generator, Journal of Thermal Engineering, 2024 (accepted)
      4. A. Das, R. S. Das, K. Das, Numerical analysis of liquid desiccant dehumidification system with novel trapezoidal baffled surface, International Journal of Refrigeration, 145, Page no. 457-466, 2023
      5. A. Das, R. S. Das, K. Das, Performance analysis of aqueous LiCl and CaCl2 based falling film dehumidifier with surface modification, Applied Thermal Engineering, 200, Page no. 117704, 2022
      6. A. Das, R. S. Das, K. Das, Performance enhancement of a liquid desiccant absorber with triangular corrugated structured packing, Journal of Building Engineering, 45, Page no. 103677, 2021
      7. M. A. Singh, K. Das, D. K. Sarma, Development and experimental validation of numerical formulations of a heuristic model in WEDM of H13 tool steel, Int. J. of Machining and Machinability of Materials (IJMMM), Inderscience, (In press),2021
      8. U. Kashyap, K. Das, B. K. Debnath, U. Kashyap, S. K. Saha. Numerical study on effect of secondary surface on rectangular vortex generator. Journal of Thermal Science and Engineering Applications. 2020, Page Nos. 1-33. DOI: 10.1115/1.4047008
      9. A. Ranjan, S. S. Yadav, K. Das, Thermal and Flow Analysis of Split Drop Shaped Pin Fins for Improved Heat Transfer Rate, https://doi.org/10.1007/s40032-019-00548-4
      10. U. Kashyap, K. Das, B.K. Debnath, Numerical and Experimental Study of the Effect of Secondary Surfaces Fixed Over a Rectangular Vortex GeneratorJournal of Thermal Science and Engineering Applications , 11, Page Nos 061003-1-12, 2019
      11. U. Kashyap, K. Das, B. K. Debnath, Effect of surface modification of a rectangular vortex generator on heat transfer rate from a surface to fluid: An extended study, International Journal of Thermal Sciences, 134, Page Nos -269-281, 2018.
      12. U. Kashyap, K. Das, B. K. Debnath, Effect of surface modification of a rectangular vortex generator on heat transfer rate from a surface to fluid, International Journal of Thermal Sciences, 127, Page Nos -61-78, 2018.
      13. M. A. Singh, K. Das, D. K. Sarma, Thermal simulation of machining of alumina with wire electrical discharge machining process using assisting electrode, Journal of Mechanical Science and Technology, 32, 1, Page Nos -333-343, 2018.
      14. K. Das, S. C. Mishra, Simultaneous estimation of size, radial and angular locations of a malignant tumor in a 3-D human breast - A numerical study, Journal of Thermal Biology, Vol.-http://dx.doi.org/10.1016/j.jtherbio.2015.07.001
      15. R. Singh, K. Das, S. C. Mishra, J. Okajima, S. Maruyama, Minimizing skin thermal damage using surface cooling during laser induced thermal therapy – a numerical study, ASME: Journal of Thermal Science and Engineering Applications, Vol.-8, Page Nos -011002-1-6, 2015.
      16. R. Singh, K. Das, J. Okajima, S. Maruyama, S.C. Mishra, Modelling skin cooling using optical windows and cryogens during laser induced hyperthermia in a multilayer vascularized tissue, Applied Thermal engineering, Vol.-89, Page Nos -28-35, 2015.
      17. K. Das, S. C. Mishra, Non-invasive estimation of size and location of a tumor in a human breast using a curve fitting technique, International Communications in Heat and Mass Transfer, Vol.-56, Page Nos -63-70, 2014.
      18. R. Singh, K. Das, S. C. Mishra, Laser-induced hyperthermia of nanoshell mediated vascularized tissue – a numerical study, Journal of Thermal Biology, Vol.-44, Page Nos -55-62, 2014.
      19. K. Das, S. C. Mishra, Study of thermal behavior of a biological tissue: An equivalence of Pennes bioheat equation and Wulff continuum model,Journal of Thermal Biology, Vol.-45, Page Nos -103-109, 2014.
      20. K. Das, R. Singh, S. C. Mishra, Numerical analysis for determination of the presence of a tumor and estimation of its size and location in a tissue,Journal of Thermal Biology, Vol.-38, Page Nos -32-40, 2013.
      21. K. Das, S. C. Mishra, Estimation of tumor characteristics in a breast tissue with known skin surface temperature, Journal of Thermal Biology, Vol.-38, Page Nos -311-217, 2013.

      International Conferences:

      1. S. Dutta, D. K. Sarma, K. Das, B. M. Barua,Simulation of Single Spark Numerical Modelling Using Comsol During ?-EDM On Inconel 718, 7T International ConferenceOn Advanced Production And Industrial Engineering, Centre For Advanced ProductionAnd Industrial Research, Delhi Technological University (DTU), June 11-12, 2022
      2. N. Gupta, K. Das, B. K. Debnath, Heat TransferEnhancement Using Modified Vortex Generator, 8th International and47th National Conference on Fluid Mechanics And Fluid Power, IIT Guwahati,India, December 09-11, 2020
      3. A. Das, R. S. Das, K. Das, Performance Evaluation Of LiCl And Cacl2Based Falling Film Dehumidifier With Surface Modification, 1st InternationalConference on Thermal Engineering and Management Advances, Jalpaiguri EngineeringCollege, West Bengal, India, June 28, 2020
      4. A. Das, R. S. Das, K. Das, Investigationon Fluid Flow, Heat and Mass transfer Characteristics in a LiCl-H2O FallingFilm Absorber, 25th National and 3rd International ISHMT-ASTFE, Heat and MassTransfer Conference (IHMTC-2019), December 28-31, 2019, IIT Roorkee, Roorkee,India.
      5. A. Das, R. S. Das, K. Das, Performanceevaluation and enhancement of LiCl-H2O based falling film dehumidifier usingsurface modification, International Mechanical Engineering Congress(IMEC-2019), 29th November- 1st December 2019, NIT Tiruchirappalli, India.
      6. S. Sharma, S. Anand, K. Das, Flowanalysis of vortex generators in the shroud of a horizontal axis wind turbine,International Conference on Recent Innovations and Developments in MechanicalEngineering, November 8 - 10, 2018, NIT Meghalaya Shillong.
      7. S. Bhowmick, R. Gupta, K. Das, Thermalanalysis and estimation of tumor properties in breast tissue, InternationalConference on Recent Innovations and Developments in Mechanical Engineering,November 8 - 10, 2018, NIT Meghalaya Shillong.
      8. A. Ranjan, K. Das, Performance analysis of split drop shaped pin fins for improved heat transfer rate, International Conference on Recent Innovations and Developments in Mechanical Engineering, November 8 - 10, 2018, NIT Meghalaya Shillong.
      9. U. Kashyap, K. Das, B.K. Debnath, Effect of Surface Texture ofVortex Generator in Heat Transfer Enhancement, 6th International and 43rd National Conference on Fluid Mechanics and Fluid Power, Period -December 15–17, Place -MNNIT Allahabad, India, 2016.
      10. M. A. Singh, K. Das, D. K. Sarma, Numerical Simulation of the Material Removal Rate in Wire Electrical Discharge Machining of Non-Conducting Material, 24th International Symposium on Processing and Fabrication of Advanced Materials (PFAM XXIV), Period - December 18 - 20, Place- Osaka, Japan, 2015
      11. K. Das, S. C. Mishra, Non-invasive detection of a tumor in a human breast, 12th International Conference on Flow Dynamics, Period -October 27–29, Place -Sendai, Japan, 2015.
      12. S. Yadav, K. Das, K. M. Pandey, A comparative analysis of heat transfer in extended surfaces, 23rd National Heta and Mass Transfer Conference and 1st International ISHMT-ASTFE Heat and Mass Transfer Conference, Period -December 17–20, Place -ISRO, Thiruvananthapuram, India, Page -ISHMTC2015-480, 2015.
      13. K. Das, S. C. Mishra, Thermal Investigation of Human Breast and Utilization of Curve Fitting Technique in Inverse Estimation of Tumor Characteristics, 11th International Conference on Flow Dynamics, Period -October 8–10, Place -Sendai, Japan, 2014.
      14. S. Yadav, K. Das, K. M. Pandey, A comparative analysis of heat transfer in extended surfaces with and without holes, 5th International and 41st National Conference on Fluid Mechanics and Fluid Power, Period -December 12–14, Place -IIT Kanpur, India, 2014.
      15. K. Das, S. C. Mishra, Non-invasive detection of breast tumor using curve fitting technique, 10thInternational Conference on Flow Dynamics, Period -November 25–27, Place -Sendai, Japan, Page -458-459, 2013.
      16. R. Singh, K. Das, S. C. Mishra, J. Okajima, S. Maruyama, Minimizing skin thermal damage using surface cooling during laser induced thermal therapy – a numerical study, 22nd National and 11th International ISHMT-ASME Heat and Mass Transfer Conference, Period -December 28–31, Place -IIT Kharagpur, India, Page -HMTC1300097, 2013.
      17. K. Das, S. C. Mishra, A comparative study of heat transfer in a biological tissue with Pennes bioheat equation and Wulff continuum model, 22nd National and 11th International ISHMT-ASME Heat and Mass Transfer Conference, Period -December 28–31, Place -IIT Kharagpur, India, Page -HMTC1300072, 2013.
      18. S. C. Mishra, K. Das, M. Ganguly, P. Goswami, Thermal estimation of properties and location of tumor in a 2-D biological tissue using surface temperature profile, 9thInternational Conference on Flow Dynamics, Period -September 19– 21, Place -Sendai, Japan, Page -184-185, 2012.
      19. S. C. Mishra, K. Das, R. Singh, Thermal analysis of a biological tissue with malignancy - estimation of its thermo-physical properties,8thInternational Conference on Flow Dynamics, Period -November 9– 11, Place -Sendai, Japan, Page -350-351, 2011.

      Book Chapters:


      1. S. Yadav, K. Das, K. M. Pandey, Chapter: A Comparative Analysis of Heat Transfer in Extended Surfaces with and Without Holes, Book Title: Fluid Mechanics and Fluid Power – Contemporary Research, Springer, (DOI 10.1007/978-81-322-2743-4_40), ISBN: 978-81-322-2741-0.
      2. A. Ranjan, K. Das, Performance analysis of split drop-shapedpin fins for improved heat transfer rate, Book Title: Advances in Mechanical Engineering,Springer, (https://doi.org/10.1007/978-981-15-0124-1), ISBN 978-981-15-0123-4.
      3. S. Bhowmick, R. Gupta, K. Das, Thermal analysis andestimation of tumor properties in breast tissue, Book Title: Advances in MechanicalEngineering, Springer, (https://doi.org/10.1007/978-981-15-0124-1), ISBN978-981-15-0123-4.
      4. S. Sharma, S. Anand, K. Das, Flow analysis of vortexgenerators in the shroud of a horizontal axis wind turbine, InternationalConference on Recent Innovations and Developments in Mechanical Engineering, BookTitle: Advances in Mechanical Engineering, Springer, https://doi.org/10.1007/978-981-15-0124-1),ISBN 978-981-15-0123-4.

      CONFERENCE/WORKSHOP/SEMINAR ORGANIZED

      Sl No.

      Title

      Sponsors

      National/ International

      Duration

      Role Played

      1

      Computational Modeling & Analysis using ANSYS and Creo (CoMAAC)

      PTC CREO, Innovent Engineering Solutions Pvt. Ltd., Allied Designsoft Solution Pvt. Ltd

      National

      June 3 – 7, 2015

      Member

      2

      Identification of challenging, need-based problems related to Science & Technology concerning rural economy

      RuTAG-NE, IIT Guwahati

      National

      March 18, 2016

      Member

      3

      International Conference on Recent Innovations and Developments in Mechanical Engineering (IC-RIDME- 2018)

      Various Central Govt. and Private Organisations

      International

      November 8-10, 2018

      Member Secretary

      4

      Online short Term course on recentApplications Of CFD in Civil and Mechanical Engineering

      NIT Meghalaya & Maverick
      Technologies Pvt Limited

       

      National

      December 06-10, 2021

      Coordinator

      5

      Online High End Workshop (Karyashala) On Green Materials And Manufacturing: Concepts,
      Practices, And Needs

      SERB, DST

      National

      June 23-29, 2022

      Coordinator

      STUDENTS SUPERVISED/SUPERVISING

      • Ph.D
      • Uddip Kashyap, Heat Transfer Enhancement in a Channel Using Modified Rectangular Vortex Generators, Degree Awarded: 2019. (Co-Supervisor: Dr. Biplab K. Debnath)
      • Aabir Das, Performance Enhancement of A Falling Film Based Liquid Desiccant Dehumidifier With Surface Modification, Degree Awarded: 2022 (Supervisor: Dr. Rajat Subhra Das)
      • Subhankar Saha, Performance analysis thermal and flow behaviour of modified VG (Pursuing)
      • Pratit Sundar Devroy, Thermal performance enhancement of Heat pipes (Pursuing)
      • Mrinal Pradhan, Surface modification of regenerator to improve the performance of liquid desiccant dehumidifier (Pursuing)
      • Subhamshree Avishek, Design modification of flat heat pipes to improve the performance of PV panels (Pursuing)

      • M.Tech
      • Surendra Singh Yadav, Heat Transfer Enhancement from a Plate to Fluid Using Fins, 2016- 2017
      • Shalini Anand, Design Analysis of Shroud of a Small Scale Wind Turbine for Application in Meghalaya, 2016- 2017
      • Raghavendra Gupta, Thermal Detection of Malignancy in a Human Breast, 2017-2018
      • Alok Ranjan, Thermal Analysis of Extended Surfaces, 2017-2018
      • Saurav Sharma, Flow Analysis of the Shroud of a Small Scale Horizontal Axis Wind Turbine, 2017-2018
      • Souvan Panja,Heat transfer enhancement from surface to a fluid using truncated conical fins, 2018-2019
      • Neeraj Gupta, Heat Transfer Enhancement using modified Vortex Generator, 2019-2020
      • Trinayan Bora, Heat Transfer Enhancement from a Plate to Fluid Using modified cylindrical Fins, 2019-2020
      • Aditya, Modelling of two phase flow and heat transfer analysis with film cooling on a rocket thruster, 2020-2021
      • Narayan Bashyal, Optimization of skin surface temperature of a tissue to detect malignancy, 2021-2022

      COURSES TAUGHT

      Theory

      1. Engineering Mechanics
      2. Engineering Thermodynamics
      3. Convective Heat and Mass Transfer
      4. Advanced Fluid Mechanics
      5. Conduction And Radiation
      6. Refrigeration and Air Conditioning
      7. Power Plant Engineering
      8. Heat Transfer

      Practical

      1.  Workshop Practice - I
      2. Workshop Practice-II
      3. Mechanical Lab-I
      4. Mechanical Lab - II
      5. Fluid Mechanics-II
      6. Computational Laboratory
      7. Thermal Engineering Laboratory


      ADMINISTRATIVE RESPONSIBILITIES HELD

      • Deputy Centre In-charge, Design Innovation Centre, NIT Meghalaya
      • Faculty-in-charge, Computational Laboratory, Department of Mechanical Engineering, NIT Meghalaya
      • Faculty-in-Charge, Transportations, NIT Meghalaya
      • Faculty-in-Charge, Central Workshop, NIT Meghalaya

      COMMITTEES

      Sl No.

      Committee Name

      Role

      Duration

      1

      Accommodation Hospitality Committee, 1st Convocation, NIT Meghalaya

      Convener

      September, 2014

      2

      Reception Committee, 1st Convocation, NIT Meghalaya

      Member

      September, 2014

      3

      NIT Awareness Drive Committee

      Member

      September, 2014 - September, 2015

      4

      Class Routine Committee

      Member

      November, 2014 - May, 2015

      5

      Trainee Engineer Selection Committee, ME Department

      Member

      June, 2015

      6

      Internal Preliminary Screening Committee of Faculty Recruitment, ME Department

      Member

      May, 2015

      7

      Screening Committee of Summer Internship Program, ME Department

      Member

      April, 2015

      8

      Institute Calendar Design Committee

      Convener

      September, 2015 - January, 2016

      9

      Trainee Teacher Screening Committee, ME department

      Member

      April, 2015

      10

      Campus Shifting Committee of NIT Meghalaya

      Special Invitee

      October, 2015 - till date

      11

      Institute Website Redesign Committee

      Member

      January, 2016 - till date

      12

      Rashtriya Avishkar Abhiyan Sub-committee

      Member

      February, 2016 - till date

      13

      Institute Flag and Institute Memento Design Committee

      Member

      February, 2016

      14

      Routine Committee

      Co-ordinator

      May, 2016- 2017

      15

      Institute Part-time M.Tech Committee

      Member

      May, 2016 onward

      16

      Coordination Committee to expedite ERP solution

      Member

      November 3, 2016-till date

      17

      Trainee Engineer Selection Committee, ME Department

      Chairman

      July, 2016

      18

      CCMT 2017

      Deputy Centre In-Charge

      January 11, 2017- January 11, 2018

      19

      Intitute Boy's Hostel

      Warden

      September 15, 2017-September 11, 2018

      20

      Transport Committee, Institute Day 2019

      Convener

      February 22, 2019-April 1, 2019

      21

      Travel and Accommodation Committee, Institute Day 2020

      Convenor

      February 18, 2020-April 1, 2020

      22

      Intellectual Property Committee

      IP Coordinator cum Member Secretary

      December 3, 2020-December 3, 2022

      ADDITIONAL RESPONSIBILITIES

      • External Examiner, Department of Electronics and Communication Engineering, Workshop Practice, End term examination, North Eastern Hill University, Shillong, 2014, External Practical Examiner, from February 20, 2015 - February 21, 2015
      • External Examiner, Department of Information Technology, Workshop Practice, End term examination, North Eastern Hill University, Shillong, 2014, External Practical Examiner, from February 20, 2015 - February 21, 2015
      • Observer, JEE (Main)-2017, April 2, 2017
      • External Examiner, College of Agricultural Engineering & Post Harvest Technology, Central Agricultural University, Sikkim, May 19, 2017
      • Observer, JEE (Main)-2018, April 8, 2018

      CONFERENCE/WORKSHOP/SEMINAR ATTENDED


      Sl No.

      Name

      Period

      Place

      National/ International

      1

      10th International Conference on Fluid Dynamics

      November 25-27, 2013

      Sandai, Japan

      International

      2

      22 National and 11th International ISHMT-ASME Heat Mass and Transfer Conference

      December 23-25, 2013

      IIT Kaharagpur, India

      International

      3

      5th International and 41st National Conference on Fluid Mechanics and Fluid Power

      December 12-14, 2014

      IIT Kanpur, India

      International

      4

      23rd National Heat and Mass Transfer Conference and 1st ISHMT-ASTFE Heat and Mass Transfer Conference

      December 17-20, 2015

      ISRO, Thiruvanantapuram, India

      International

      5

      A short term course on Fundamentals of Microfluidics and its applications in biomedical Engineering

      January 22-23, 2016

      IIT Guwahati, India

      National

      6

      Summer Training program on Active Learning

      July 2-6, 2018

      IIT Indore, India

      National

      7

      A short term course on Computational Fluid Dynamics for Incompressible Flows

      June 17-21, 2019

      IIT Guwahati, India

      National