Prof. Parthasarathi Ghosh

Ph.D.(IIT Kharagpur)
Associate Professor
P. Ghosh joined the Institute in 2006

Contacts:

C1-134, IIT Campus, Kharagpur 721302
-286725 (Office) / -286726 (Residence)
psghosh @ hijli.iitkgp.ernet.in
Name Course Contact Number E-mail Project
Sopan Singhal M.Tech 9932354157 singhalsopan@gmail.com
Keerthi Raj K M.Tech 9447170045 keerthiraj.2050@gmail.com
Joydip Mondal M.Tech 9331663701 joydmondal@gmail.com
Mr. Arpit Mishra MS 9800263451 arpit.mishra@iitkgp.ac.in
Mr. Ashish Alex Sam Ph.D 9474711747 ashishalexsam@gmail.com
Mr. Jayachandran K N Ph.D 8116385872 knjayachandran93@gmail.com
Mr. Aman Kumar Dhillon Ph.D 9034470825 amandhillon111@gmail.com
Project Title Type PI/Consultant Co-PI/Co-Consultant Sponsor/Client
Thermohydraulic simulation of LOX booster turbopump for semi-cryogenic rocket engine Sponsored Projects Dr. Parthasarathi Ghosh Arnab Roy ISRO (on-going )
Studies on Gas Bearings for Cryogenic Turboexpanders Sponsored Projects Dr. Parthasarathi Ghosh ISIRD, IIT Kharagpur (Completed)
Steady State and Dynamic Simulation of kW Class Helium Refrigerator/Liquefier for Superconducting Magnets Used for Fusion Machines Sponsored Projects Dr. Parthasarathi Ghosh Prof. Kanchan Chowdhury NFP BRFS, IPR, Gandhinagar (Completed)
The Heat Exchanger Design for Helium Liquefier (for 50 Litre/Hr Helium Plant Development) Consultancy Project Indranil Ghosh Parthasarathi Ghosh, Kanchan Chowdhury VECC Kolkata, DAE Govt. of India (on-going)
The Process Design of Helium Liquefier for 50 Litre/Hr Helium Plant Development Client : VECC Kolkata, DAE Govt. of India (on-going) Consultancy Project Parthasarathi Ghosh Kanchan Chowdhury The Process Design of Helium Liquefier for 50 Litre/Hr Helium Plant Development Client : VECC Kolkata, DAE Govt. of India (on-going)
Performance Testing of Cryochamber and Soaking Chamber for cryotreatment of materials Consultancy Project Dr. Parthasarathi Ghosh SINTL Cryo (Completed)

  • Brayton coolers are capable of handling 0.1 W at 6 K to several kWs at LNG temperature (~110 K). Accordingly, the specifications, sizes and types of different equipment such as heat exchangers, compressors, turbines and control vary for different applications. At PED Laboratory, a research effort has been initiated towards realization of a Brayton cooler based on the resources available in the Centre with the following goals:
    a. Through process simulation, arriving at optimum process configuration of Brayton coolers for different loads at different temperature levels in different applications.
    b. Recommendation for equipment specifications for each of the above cycle configurations.
    c. Design of a Brayton cooler based on existing equipment in a helium liquefier and its performance analysis.
    d. Development of experimental test rig for performance validation of the designed cooler.
    e. Experimental performance analysis of the designed cooler.

    • Two Stage Parallel Expansion with Same Pressure Ratio

  • Supercritical helium is used in cooling superconducting magnets for fusion devices and accelerators (e.g. ITER and CERN). Wide variation of some of the thermodynamic and transport properties near the pseudo-critical line leads to difficulty in accurate formulation of heat transfer correlations and fluid dynamic instabilities like density wave oscillation. We are involved in the investigation of the physics of different flow phenomena associated with supercritical helium. Efforts are going on establishing accurate heat transfer correlations and stability maps that may help designers of transfer lines.


  • Turboexpander constitutes one of the major devices for reverse Brayton cycle and Claude cycle based refrigerators and liquefiers. Cryogenic turboexpanders are small high speed rotating devices (rotating speeds 100,000 to 500,000 r/min) based on gas bearings. Our laboratory is involved in design and simulation of these highly complex machines.
    Improving the efficiency of a turboexpander is possible by developing a design procedure through a deep understanding of the flow characteristics and the origins and effects of various losses. This is really important in radial turbines, where viscous 3D rotational and curvature effects and turbulence effects are present. Also the design of turboexpander for liquefaction systems is critical at low temperatures due to process conditions such as lower volumetric flow rate as compared to the high temperature turbines and variation of thermophysical properties of fluids at low temperature. Computational Fluid Dynamics allows to completely capture the highly unsteady, turbulent and rotational effects present in these turbines, which is often not possible through experiments. Through the analysis of flow field the sources of losses that are responsible for deviation can be explored and necessary design modifications can be made for the development of a turboexpander with improved performance.

    • Cryogenic Turboexpander
    • Vector plot nearer to the blade tip
    • Mach Number contour in the nozzle

  • For manned space mission and deep space probe, reusable launch vehicles are contemplated to be used. Global endeavour is being made in this direction. As a part of this on-going effort, semi-cryogenic engine based on high pressure staged combustion cycle with LOX and kerosene is being developed at ISRO. One of the major components of this engine is the turbopump system that transports the fuel and oxygen to the pre-burner and the main combustion chamber. This work is carried out to supplement the ongoing work that is being carried out towards the development of staged combustion cycle based semi cryogenic rocket engine for reusable launch vehicles. The prime focus of the project is to analyse the booster turbopump system for liquid oxygen through CFD simulation. The work is being carried out to predict the spatial variations of flow parameters and the thermodynamic parameters of the fluid along the length of the pipe and at the inlet of the main LOX pump at 60%, 100% and 105% of nominal thrust value and to find out the size and quantity of the solid contaminant at the inlet of the main pump for each of the above stated conditions.

    • LOX Booster Turbopump Flow Schematic
    • Numerical results of Booster Turbine and Pump Simulation
    • GOX-LOX direct contact condensation studies


  • 1. Process Equipment and Design Laboratory


  • 2. High Speed Cryogenic Turboexpander

    • Cryogenic Turboexpander-1

  • 3.

    • Cryogenic Turboexpander-2

  • 4. Commercial Softwares - Ansys CFX®,Ansys Fluent®, ANSYS TurboGrid®, OpenFOAM®,SolidWorks®, AUTODESK Inventor®, AspenHysys®, REFPROP, ALLPROP.


  • 5. Servers and Workstations -

    (a) DELL PowerEdge R720 - Intel® Xeon® CPU E5-2660 0 @ 2.20 GHz - 2 processors (8 cores each) - 128 GB RAM (b) HP Z820 workstation - Intel® Xeon® CPU E5-2687W 0 @ 3.17 GHz - 2 processors (8 cores each) - 128 GB RAM (c) LENOVO ThinkStation - Intel® Xeon® CPU E5-2603 v3 @ 1.60 GHz - 2 processors (6 cores each) - 64 GB RAM

    • Servers and Workstation

Subject Code Subject Name
CR60014 DESIGN OF CRYOGENIC EQUIPMENT AND ACCESSORIES
CR30005 INTRODUCTION TO CRYOGENIC ENGINEERING
CR69003 CRYOGENIC SYSTEMS LABORATORY

  1. P. Ghosh and S. Sarangi, "Static Stress Analysis of a Cryogenic Turboexpander Using Finite Element Method", Proceedings of ICEC 18 (Mumbai),Narosa Publication, 2000.

  2. P. Ghosh and S. Sarangi, "Prediction Of Off-Design Performance Of A Cryogenic Turboexpander Using A Meanline Calculation Procedure", Proceedings of ICEC 18(Mumbai) Narosa Publication, 2000.

  3. Sen, P., P. Ghosh and Sarangi, S., "CRESP-TURBO: A Software for Design of Cryogenic Expansion Turbines", Proceedings of ICEC 18 (Mumbai) Narosa Publication, 2000.

  4. P. Ghosh and S. Sarangi, "Analysis of Centrifugal Stresses in the Rotor of a Cryogenic Turboexpander", Proceedings of ICEC 20, 20th International Cryogenic Engineering Conference, Beijing China, 2004.

  5. Sen, P., P. Ghosh, Sahoo, D. J., Vamsi Krishna K and Sarangi, S., "An Improved Computer Program for Design of Cryogenic Expansion Turbine", Refrigeration Science and Technology Proceedings of the Eighth Cryogenics IIR International Conference, Prague, 2004.

  6. V. John Fernandez, P. Ghosh and Darryl James, "Thermodynamics of Compact Downhole Turbo Generators", Paper No. SPE 116777, Proceedings of SPE Annual Technical Conference and Exhibition, Denver, Colorado, USA, September 21-24, 2008.

  7. V. John Fernandez, P. Ghosh and Darryl James, "Thermodynamics of Compact Downhole Turbo Generators", Paper No. SPE 116777, Proceedings of SPE Annual Technical Conference and Exhibition, Denver, Colorado, USA, September 21-24, 2008.

  8. P. Ghosh, Bhaskar Rahul Nandi and Sunil Sarangi, "Prediction on Performance of Cryogenic Turboexpander Using Meanline Approach", Proceedings of ICEC 23, Wroclaw, July 19-21, 2010.

  9. P. Ghosh, Sunil Sarangi, "Prediction on Performance of Cryogenic Turboexpander Using Meanline Approach", Proceedings of ICEC 23, Wroclaw, July 19-21, 2010.

  10. P. Ghosh, Rijo J Thomas, Rohan Dutta and K. Chowdhury, "Design and Analysis of Large-scale Helium Liquefiers/Refrigerators: Issues with Modeling and Simulation", Indian Journal of Cryogenics, 2012.

  11. Arpan Kundu, Rijo Jacob Thomas, Parthasarathi Ghosh, and K. Chowdhury, "Exergy Analysis to Determine Appropriate Design and Operating Parameters for Collins Refrigerator-Liquefier under Mixed Mode Operation", Proceedings of the 12th cryogenics 2012, IIR International Conference, Dresden, Germany. Sep 11-14, 2012, ISBN 978-2-913149-93-9, ISSN 0151-1637, pp. 233-239, 2012.

  12. Rohan Dutta, P.Ghosh, and K. Chowdhury, "Mitigation of effects of pulsed heat loads in helium refrigerators for fusion devices using supercritical helium storage", IEEE Transaction on Applied Superconductivity, vol. 22, no.. 6, pp. DOI: 10.1109/TASC.2012.2218592, 2012.

  13. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Applicability of Simpler Equations of State for Modeling Helium Systems", Elsevier: Cryogenics, vol. 52, no.. 7, pp. 375-381, 2012.

  14. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Exergy Analysis of Different Cold end Configurations for Helium Liquefiers", ASME:Thermal Science and Engineering Applications, vol. 4, pp. 021009/11, 2012.

  15. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Application of Exergy Analysis in Designing Helium Liquefiers", Elsevier: Energy, vol. 37, no.. 1, pp. 207-219, 2012.

  16. Arpan Kundu, Rijo J Thomas, P. Ghosh, and K. Chowdhury, "Evaluation of Optimum Design Parameters for Refrigerator-Liquefier Mixed Mode Operation and its Comparison with Liquefier mode using Collins Cycle", Proceedings of IIR Conference Cryogenics 2012, Dresden, Germany, September 10-14, 2012.

  17. Neville Rebelo and P. Ghosh, "Numerical simulation of mixed convection heat transfer to forced flow supercritical helium", Proceedings of IIR Conference Cryogenics 2012, Dresden, Germany, pp. September 10-14, 2012.

  18. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Exergy Analysis of large scale Helium Liquefies: Evaluating Design Trade-offs", Advances in Cryogenic Engineering, vol. 59, 2013.

  19. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Optimum number of stages and intermediate pressure level for highest exergy efficiency in large helium liquefiers", International Journal of Refrigeration, vol. 36, no.. 8, pp. 2438-2457, 2013.

  20. Rohan Dutta, P. Ghosh, K. Chowdhury, "A cycle configuration for large-scale helium refrigerator for fusion devices towards complete mitigation of the effects of pulsed heat load", Fusion Engineering and Design, vol. 88, pp. 2972-2982, 2013.

  21. Rohan Dutta, P. Ghosh, K. Chowdhury, "Mitigation of Effects of Pulsed Heat Load from Fusion Devices on Helium Refrigerator: A Novel Technique using Vapor Compression Cycle", International Journal of Refrigeration, vol. 36, no.. 6, pp. 1776-1789, 2013.

  22. Rohan Dutta, Rijo J Thomas, P. Ghosh, and K. Chowdhury, "Dynamic simulation of large-scale helium liquefier using Aspen Hysys?: Problems, solutions and prospect", Indian Journal of Cryogenics, vol. 38, pp. 166-172, 2013.

  23. Rohan Dutta, P. Ghosh, and K. Chowdhury, "Performance of large-scale helium refrigerators subjected to pulsed heat load from fusion devices", International Cryogenic Engineering Conference & 24-International Cryogenic Materials Conference, 2013.

  24. Rijo Jacob Thomas, P. Ghosh, and K. Chowdhury, "Exergy analysis of large scale helium liquefies: evaluating design trade-offs", Advances in Cryogenic Engineering, AIP Conference Proceedings of the CEC/ICMC, vol. 59, 2013.

  25. Rohan Dutta, Parthasarathi Ghosh, and Kanchan Chowdhury, "Performance of large-scale helium refrigerators subjected to pulsed heat load from fusion devices", Paper presented at ICEC 24, Fukuoka Japan, May 14-18, 2013.

  26. Rohan Dutta, P. Ghosh, and K. Chowdhury, "Identification of critical equipment and determination of operational limits in helium refrigerators under pulsed heat load", Cryogenics (Elsevier), vol. 59, pp. 23-37, 2014.

  27. S. K. Kochunni, P. Ghosh and K. Chowdhury, "Optimization of UA of heat exchangers and BOG compressor exit pressure of LNG boil-off gas reliquefaction system using exergy analysis", Materials Science and Engineering, vol. 101, 2015.

  28. Neville Rebelo and P. Ghosh, "Predicting performance of axial pump inducer of LOX booster turbo-pump of staged combustion cycle based rocket engine using CFD", IOP Conference series: Materials Science and Engineering (MSE), Proceedings of the CEC/ICMC, pp. (Under Review), 2015.

  29. Ashish Alex Sam and P. Ghosh, "Influence of thermophysical properties of working fluid on the design of cryogenic turboexpanders using ns-ds diagram", IOP Conference series: Materials Science and Engineering (MSE), Proceedings of the CEC/ICMC, pp. (under review), 2015.

  30. Rahul Verma, Ashish Alex Sam and P. Ghosh, "CFD analysis of turboexpander for cryogenic refrigeration and liquefaction cycles", Published in Proceedings of the 25th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2014, Physics Procedia, vol. 67, pp. 373-378 (doi:10.1016/j.phpro.2015.06.043), 2015.

  31. Neville Rebelo and P. Ghosh, "Pressure drop studies on supercritical helium flowing in horizontal tubes; Special Issue of the ASME", Journal of Thermal Science and Engineering Applications, vol. 8, pp. 11011, 2015.

  32. Rohan Dutta, P. Ghosh, and Kanchan Chowdhury, "Mitigation of effects of pulsed heat load to helium refrigerator in fusion devices: use of a cold-compressor", Indian Journal of Cryogenics,, vol. 40, pp. 68-74, 2015.

  33. Rahul Verma, Rohan Dutta, P. Ghosh, and K. Chowdhury, "Analysis of various liquid nitrogen pre-cooling schemes for large-scale helium liquefiers/ refrigerators", Indian Journal of Cryogenics, vol. 40, pp. 81-86, 2015.