Cryoengineering and Cryomodule Development Division

Patents/Publications/Awards

Patents

"Niobium based superconducting radio frequency (SCRF cavities) comprising niobium components joined by laser welding", Patent filed at: Indian Patent office and US Patent office, Japan Patent office and European patent office. [Japanese Granted Patent No.5632924]

In Journals

  1. “Design of regenerators for Gifford McMahon Cycle Cryorefrigerator”,
    P K Kush and M Thirumaleshwar,
    1084 − 1091, Vol 29, Cryogenics (1989).

  2. “Single Stage (30K) and Two Stage (10K) Gifford McMahon cryocoolers developed at CAT”,
    Kush P K, Sharma R C, Doohan R S, Sagar A K, Choudhary L C and Ansari M S,
    Indian Journal of Cryogenics, Vol 29, No. 2, P 69-72, 2004.

  3. “Test results of cryogenic reciprocating type expansion engine with nitrogen as process gas”,
    Kush P K, Ghosh Rupul, Ghosh Parthasarthi, Sharma R C, Doohan R S.,
    Indian Journal of Cryogenics, Vol 29, No. 4, P 120-125, 2004.

  4. “Development of cross-counter-flow heat-exchanger for cryogenic temperature range”,
    Gupta Prabhat K, Sharma R C and Kush P K,
    Indian Journal of Cryogenics, Vol 30, No. 4, P 201-203, 2005.

  5. “Development of closed cycle refrigerator based cryopump”,
    Gilankar S G and Kush P K,
    , Indian Journal of Cryogenics, Vol 30, No. 4, P 204-208, 2005.

  6. “Low cost vacuum valve for cryogenics applications”,
    Sharma. R C.,
    Indian Journal of Cryogenics, Vol 30, No. 4, P 209, 2005.

  7. Status of indigenously developed closed cycle refrigerator based cryopump of 1000 Lit/s pumping speed,
    Gilankar S G, Kush P K,
    Indian Journal of Cryogenics, Vol. 32, p. 121, 2006.

  8. “Design and optimization of coil finned-tube heat exchangers for cryogenic applications”,
    Gupta Prabhat Kumar, Kush P K , Tiwari A,
    Cryogenics 47, 322-332, 2007.

  9. “Second law analysis of counter flow cryogenic heat exchangers in presence of ambient heat-in-leak and longitudinal conduction through wall”,
    Gupta Prabhat Kumar, Kush P K , Tiwari A,
    Int. Journal of Heat and Mass Transfer 50, 4754-4766, 2007.

  10. “Some critical aspects of designing the JT heat exchangers for helium liquefier/refrigerator”,
    Gupta P K, Kush P K, Tiwari A ,
    Indian Journal of Cryogenics, Vol. 32, p. 142, 2007.

  11. “Validation and performance of the LHC cryogenic system through commissioning of the first sector”,
    L Serio, A Bouillot, J Casas-Cubillos, A Chakravarty, S Claudet, F Gicquel, P Gomes, M Kumar, P K Kush, F Millet, A Perin, R Rabehl, M R Singh, M Soubiran, LTavian,
    Advances in Cryogenic Engineering, Vol 53, P 1411-1418, 2008.

  12. “Experimental verification of capture coefficients for a cylindrical cryopanel of closed cycle refrigerator cryopump”,
    Gilankar S G, Kush P K,
    Journal of Physics: Conference Series, Vol. 114, p. 012058, 2008.

  13. “Experimental research on heat transfer coefficients for cryogenic”,
    Gupta P K, Kush P K, Tiwari Ashesh,
    International Journal of Refrigeration, Vol. 32, no. 5, p. 960 - 972, June 2009.

  14. “Indigenous development of coiled finned tube heat exchangers”,
    Prabhat Kumar Gupta, P K Kush,
    Indian Journal of Cryogenics, Vol. 35 A, p. 437, 2010.

  15. “Assessment of thermal radiation load on cryopanel of refrigerator based cryopump”,
    Gilankar S G and Kush P K,
    Indian Journal of Cryogenics, Vol. 35 No. 1-4, p. 77, 2010.

  16. “Performance analysis and experimental results of cryogenic reciprocating expansion engine with helium gas”,
    Rupul Ghosh, R S Doohan, R C Sharma, P K Kush,
    Indian Journal of Cryogenics, Vol. 35 No. 1-4, p. 258, 2010.

  17. “Experimental studies on pressure drop characteristics of cryogenic cross-counter flow coiled finned tube heat exchangers”,
    Gupta P K, Kush P K, Ashesh Tiwari,
    Cryogenics, Vol. 50, no. 4, p. 257, April 2010.

  18. "Comparative design evaluation of plate fin heat exchanger and coiled finned tube heat exchanger for helium liquefier in the temperature range of 300-80 K",
    Prabhat Kumar Gupta, Vivek Nema and P K Kush,
    Indian Journal of Cryogenics, Volume 40, issue 1 p. 6, 2015.

  19. "Cryogenically economical frame bridge structure for horizontal test stand",
    Rajeev Chaube, Prashant Khare and P K Kush,
    Indian Journal of Cryogenics, Volume 40, p 61, 2015.

In Conferences/ Symposia

  1. “A G−M cycle cryorefrigrator operating at 10 K”,
    M Thirumaleshwar, P K Kush, R C Sharma, K V Madhusudan, A Banerjee and M V Deverajan,
    International Cryogenics Engineering Conference (ICEC 12). Southampton, England, July 12-15, 1988.

  2. “Design of a lquid helium cryostat for mossbauer spectroscopy (4.2K − 300K)”,
    Ratnesh Gupta, Ajay Gupta, M Thirumaleshwar and P K Kush,
    National Symp. On Vacuum Science and Technology, CAT Indore (Nov. 1991).

  3. “Theoretical design of reciprocating expansion engine for 80 K and 20 K inlet temperature level”,
    R Ghosh, M D Atrey and P K Kush,
    Sixteenth National Symposium on Cryogenics, IIT Kharagpur, (Dec. 1997).

  4. “Development of liquid nitrogen based variable temperature gas purifier for excimer lasers”,
    S G Gilankar and P K Kush,
    Sixteenth national Symposium on Cryogenics, IIT Kharagpur, (Dec. 1997).

  5. “Effect of geometrical design parameters on the performance of coiled finned tube heat exchangers”,
    M D Atrey and P K Kush,
    Sixteenth National Symposium on Cryogenics, IIT Kharagpur, (Dec. 1997).

  6. “Development of 15 K two stage G-M cryocooler for continuous maintenance free operation”,
    P K Kush and R C Sharma,
    Sixteenth National Symposium on Cryogenics, IIT Kharagpur, (Dec. 1997).

  7. “Development of helium compressor using oil injection in commercially available freon compressor”,
    P K Kush, U R Dubey and R C Sharma,
    Sixteenth national Symposium on Cryogenics, IIT Kharagpur, (Dec. 1997).

  8. “Experimental investigation on second stage regenerator of a two stage 10 K G-M cryorefrigerator”,
    M D Atrey and P K Kush,
    Seventh National Symp. On Cryogenics, Feb. 19-21, 1999.

  9. “Performance evaluation of a tube-in-tube heat exchanger in 300-77 K temperature range”,
    Prabhat Gupta, R Ghosh, P K Kush and M D Atrey,
    Seventh National Symp. On Cryogenics, Feb. 19-21, 1999.

  10. “Numerical simulation and experimental investigation of tube-in-tube heat exchangers in 300 – 77 K range”,
    Prabhat Gupta, P K Kush and M D Atrey,
    Proceedings Eighteenth International Cryogenics Engineering Conference (ICEC18), 303, IIT Mumbai, Feb. 2000.

  11. “Cyclic analysis and experimental investigation of a single stage G M cryocooler”,
    B Duttagupta, P K Kush and M D Atrey,
    Proceedings Eighteenth International Cryogenics Engineering Conference (ICEC18), 579, IIT Mumbai, Feb. 2000.

  12. “Analysis and performance prediction of Stirling cryogenerator”,
    R Ghosh et al,
    Proceedings of joint Cryogenics Engineering Conference (CEC) and International Cryogenic Materials Conference (ICMC), Madison, Wisconsin, USA, July 16-20, 2001.

  13. “Approach towards establishing cryogenic test facility for SCRF cavities of proposed proton Linac at CAT”,
    Prashant Khare, P K Kush and M G Karmarkar,
    11th Workshop on R F Superconductivity SRF 2003, Lubeck Germany, Sept. 8 − 12, 2003.

  14. “Performance of indigenously developed closed cycle refrigerator based cryopump”,
    Gilankar S G and Kush P K,
    Proc. National Symposium on Vacuum Science & Technology and Its Application to Plasmas, IVSNS 2005.(P 157-160), Nov. 16th-18th, 2005, IPR, Gandhinagar (Gujarat).

  15. "Status of indigenously developed closed cycle refrigerator based cryopump of 1000 lit/s pumping speed",
    S.G. Gilankar and P.K. Kush,
    Twenty-first National Symposium on Cryogenics, NPL, New Delhi, November 22-24, 2006.

  16. “Indian participation in LHC, SPL and CTF-3 projects at CERN, Switzerland”,
    Bhanage V P , Dwivedi J, Jain A K, Khare P, Kotaiah S, Kush P K, Kumar A, Prabhu S S, Puntambekar A M, Rawat A, Sahni V C, Sharma A K, Shridhar R, Shrivastava P, Singh G, Sadhu R K,
    Asian Particle Accelerator Conference - 2007 (APAC-07) , RRCAT, Indore , p. 829-831, Jan. 29 - Feb. 2, 2007.

  17. “Cryocooler vibrations in ultrafast reflection spectroscopy”,
    Khan S, Ramachari, Oak S M, Ansari M S, Sagar A K, Chowdhry L, Doohan R S, Kush P K,
    National Conference on Recent Trends in Optoelectronics and Laser Technology (NCOLS 2007) , Thiruvananthapuram, April, 9-11, 2007.

  18. "India’s first indigenously developed helium liquefier”,
    P K Kush, R S Doohan, Prabhat K Gupta, R C Sharma, Rupul Ghosh, Manoj Kumar and P D Gupta,
    Proc. Indian Particle Accelerator Conference, 2011, New Delhi, Feb. 15 - 18, 2011.

  19. “Design of Horizontal Test Stand (HTS-2) for SCRF Cavities at RRCAT”,
    P K Kush, P Khare, S G Gilankar, V Jain, R Ghosh, A Jain, A Lakshminarayanan, A Hocker, V Poloubotko,
    Proc. Indian Particle Accelerator Conference, 2011, New Delhi, Feb. 15 - 18, 2011.

  20. "Technical challenges in cryomodule design",
    Prashant Khare, Pradeep Kush, S G Gilankar, V Jain, R Ghosh, A Jain, A L Narayanan,
    Theme Meeting on Challenges of Mechanical Engineering for Superconducting Accelerators, VECC Kolkata, 25th-26th March 2011.

  21. “Design efforts for cryomodule of 650MHz SCRF cavities at RRCAT”,
    P Khare, P K Kush, S G Gilankar, V Jain, R Ghosh, A Jain, A Lakshminarayanan, T Peterson, C M Ginsburg, C Grimm, J Kerby and Y Orlov Fermilab,
    Proc. Indian Particle Accelerator Conference, 2011, New Delhi, Feb. 15 - 18, 2011.

  22. “Indigenous Development of Helium Liquefier and Cyclic Refrigerators”,
    P K Kush,
    ASET colloquium at TIFR, May 13, 2011.

  23. “650 MHz Cryomodules for project X at Fermilab - requirements and concepts”,
    Thomas Peterson, Mike Foley, Camille Ginsburg, Chuck Grimm, James Kerby, Yuriy Orlov, Fermilab, Batavia, IL 60510, USA Rupul Ghosh, Shailesh Gilankar, Akhilesh, Jain, Prashant Khare, Pradeep Kumar Kush, A. Laxminarayanan,
    RRCAT, Indore, India, presented at 15th International Conference on RF Superconductivity (SRF2011), Chicago, USA, July 2011.

  24. "Commissioning and first operation of superconducting links at the Large Hadron Collider (LHC)”,
    R van Weelderen, T Goiffon, A Perin, C Darve, R S Doohan, S G Gilankar,
    Cryogenic Engineering Conference and International Cryogenic Materials Conference (CEC/ICMC 2009) Tucson, USA, June 28 -2 July 2, 2009.

  25. "Indigenous development of helium liquefier",
    P K Kush, R S Doohan, Prabhat K Gupta, R C Sharma, Manoj Kumar and P D Gupta,
    presented at 2nd International Workshop on ADS and Thorium Utilization at BARC, Mumbai, December 11-14, 2011.

  26. "An Approach towards developing cryomodule for Indian SNS",
    Prashant Khare, Pradeep Kush, Shailesh Gilankar, Rupul Ghosh, Abhishek Jain, A Lakshminarayanan,
    presented at 2nd International Workshop on ADS and Thorium Utilization at BARC, Mumbai, December 11-14, 2011.

  27. "Exergy analysis of indigenously developed reciprocating type cryogenic expansion engine based helium liquefier",
    Rajvir Singh Doohan, P K Kush and Govind Maheshwari,
    24th National Symposium on Cryogenics at IPR, Ahmedabad, January 21-24 , 2013.

  28. "Design of 2K cryostat for a cryo-thermometry investigation",
    Rajvir Singh Doohan and P K Kush,
    24th National Symposium on Cryogenics at IPR, Ahmedabad, January 21-24 , 2013.

  29. "Design of a horizontal test stand for testing two SCRF cavities",
    P K Kush, Prashant Khare, S G Gilankar, Rupul Ghosh, Abhishek Jain, R Chaube, A Lakshminarayanan, Andy Hocker, Thomas J Peterson, Brian D Degraff, Ronak Patel,
    24th National Symposium on Cryogenics at IPR, Ahmedabad, January 21-24 , 2013.

  30. "Design and prototyping efforts towards development of a cryomodule for 650MHz SCRF cavities",
    P K Kush, Prashant Khare, S G Gilankar, Rupul Ghosh, Abhishek Jain, R Chaube, A. Lakshminarayanan, Yuri Orlov, Thomas J Peterson,
    24th National Symposium on Cryogenics at IPR, Ahmedabad, January 21-24 , 2013.

  31. "Process design study of 40 liters/hour helium liquefier",
    Prabhat Kumar Gupta and P K Kush, 24th National Symposium on Cryogenics at IPR, Ahmedabad, January 21-24 , 2013.

  32. "Latest developments in cryogenic engineering and technology at RRCAT",
    P K Kush,
    Invited Talk in National Symposium on Cryogenics held at Ahmedabad during January 21-24, 2013.

  33. "Design and indigenous development of helium liquefier and cryocoolers at RRCAT",
    P K Kush, Invited talk in DAE-BRNS Theme Meeting on Liquid Helium Plants, Cryogenic systems and their Applications,
    held at VECC, Feb 25-26, 2013.

  34. “New Technique and Result of Laser Welded SCRF Cavity Developed at RRCAT”,
    P Khare, R Arya, J Dwivedi, R Ghosh, G Gilankar, C Gupta, P D Gupta, A Jain, S C Joshi, G V Kane, R Kaul, P K Kush, G Mundra, S M Oak, C K Pithawa, P Ram Sankar, S B Roy, V C Sahni, R S Sandha, P Shrivastava, B N Upadhyay (RRCAT), C A Cooper, C M Ginsburg, A Grassellino, C S Mishra, A M Rowe (Fermilab),
    16th International Conference on RF Superconductivity, Paris, France, September 22-27, 2013.

  35. "Commissioning of vertical test stand facility for 2 K testing of superconducting cavities at RRCAT",
    S C Joshi, S Raghvendra, S Suhane, M Kumar, P Mohania, A Chauhan, P Fatnani, P Shrivastava, P K Kush and P D Gupta,
    27th Linear Accelerator Conference - 2014 (LINAC-2014), Geneva, Switzerland, August 31 - September 5, 2014.

  36. "Design, development and assessment of 50 l/hr. reciprocating type expansion engine based helium liquefier",
    Rajvir Singh Doohan, P K Kush, Govind Maheshwari, National Symposium on Cryogenics (NSC-25),
    University of Hyderabad, Hyderabad, December 08 - 10, 2014.

  37. "Exergy analysis and experimental study of indigenous developed plate fin heat exchanger for 50 l/hr. helium liquefier",
    Rajvir Singh Doohan, P K Kush, Govind Maheshwari,
    National Symposium on Cryogenics (NSC-25), University of Hyderabad, Hyderabad, December 08 - 10, 2014.

  38. "Heat exchanger layout optimization for helium liquefier using UGNX",
    Hemant Kumar Patel, Ashish Kumar Shukla, Rajvir Singh Doohan, Pradeep Kumar Kush,
    National Symposium on Cryogenics (NSC-25), University of Hyderabad, Hyderabad, December 08 - 10, 2014.

  39. "Operating experiences of vertical test stand for testing SCRF cavities at RRCAT Indore",
    Vivek Nema, S K Joshi, A K Sagar, L Chowdhry, Pawan Kumar & P K Kush,
    National Symposium on Cryogenics (NSC-25), University of Hyderabad, Hyderabad, December 08 - 10, 2014.

Internal Reports/ Technical Notes

  1. “Cryogenic Regenerators”,
    P K Kush, S C Joshi and M Thirumaleshwar,
    Internal Report, BARC − 1301 (1986)

  2.  “Facility for vacuum Impregnation of Super Conducting Magnets”,
    P K Kush, A Banerjee, C K Ramachandran, S C Bapna and M Thirumaleshwar,
     Internal Report, BARC − 1315 (1986).

  3. “Design of a High Current D C Acceleration Tube”,
    P K Kush and S S Ramamurthi,
    Internal Report – 87/CAT/EAP/81000/001/D.

  4. “Measurement of Cryo-Cooler Vibrations”,
    Salahuddin Khan, Rama Chari, S M Oak, M S Ansari, A K Sagar, L Chowdhary, R S Doohan and P K Kush,
    RRCAT Report/ 2007-05.

Awards

  1. DAE-ESET Group Achievement Award 2010:
    “Indigenous Development of Helium Liquefier” as Group Leader.

  2. DAE-ESET Group achievement award 2010:
    "Development, manufacturing, testing and supply of superconducting corrector magnets" for Large Hadron Collider project , CERN - as team member.

  3. Prof. R Srinivasan Award for Low Temperature Physics/ Cryogenics (2011) –
    For successfully building the country’s first helium liquefier.

  4. DAE-ESET Group achievement award 2013:
    "Development and Commissioning of Vertical Test Stand Facility for Characterization of Superconducting RF Cavities at 2 K" - as team member.
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