The SHI Cryogenics Group has a rich history of cryogenic research and development dating back over 60 years. During this time, engineers from Sumitomo Heavy Industries, Ltd. and the former APD Cryogenics have shared their groundbreaking work with the cryogenics community at industry conferences around the world.
Below is a selection of these technical papers, covering topics such as early 4K Gifford-McMahon and pulse tube technologies, advances in regenerator materials, and mobile cryogenic systems.
| Paper | Author | Conference | Location | Date |
|---|---|---|---|---|
| Concepts for Cooling Small Superconducting Devices Using Closed-Cycle Regenerative Refrigerators | R.C. Longsworth | International Cryocooler Conference 0 (Applications of Closed-Cycle Cryocoolers to Small Superconducting Devices) | Boulder, CO, USA | November 1977 |
| Serviceable Refrigerator System for Small Superconducting Devices | R.C. Longsworth | International Cryocooler Conference 1 (Refrigeration for Cryogenic Sensors and Electronic Systems) | Boulder, CO, USA | October 1980 |
| A Small and Light Weight Heat Exchanger for On-Board Helium Refrigerator | T. Koizumi, M. Takahashi, T. Uchida, Y. Kanazawa, and M. Suzuki | International Cryocooler Conference 2 (Refrigeration for Cryogenic Sensors) | Greenbelt, MD, USA | December 1982 |
| 4K Refrigerators with a New Compact Heat Exchanger | R.C. Longsworth & W.A. Steyert | International Cryocooler Conference 3 | Boulder, CO, USA | September 1984 |
| Recondensing Refrigerator for Superconducting NMR-CT | T.Koizumi, K. Kuroki, Y. Tomita, Y. Kanazawa and M. Suzuki | International Cryocooler Conference 4 | Easton, MD, USA | September 1986 |
| Considerations in Using Joule-Thomson Coolers | G.E. Bonney and R.C. Longsworth | International Cryocooler Conference 6 | Plymouth, MA, USA | October 1990 |
| JT Cryostat with Liquid-Solid Cryogen Reservoir | R.C. Longsworth | International Cryocooler Conference 7 | Santa Fe, NM, USA | November 1992 |
| Bi-Material Controlled Demand Flow Joule-Thomson Coolers | G.E. Bonney | International Cryocooler Conference 7 | Santa Fe, NM, USA | November 1992 |
| Cooling Performance of Multilayer Ceramic Regenerator Materials | T. Numazawa, K. Kamiya, National Institute for Materials Science, Japan; Y. Hirastuka, T. Satoh, Sumitomo Heavy Industries, Ltd., Japan; H. Nozawa and T. Yanagitani, Konoshima Chemical Co., Japan | International Cryocooler Conference 14 | Annapolis, MD, USA | June 2006 |
| Development of High Efficiency 4K Two-Stage Pulse Tube Cryocooler | M. Xu, H. Takayama and K. Nakano | International Cryocooler Conference 16 | Atlanta, GA, USA | May 2010 |
| Effect of the Charged Pressure on GM Cryocooler Performance | H. Nezuka, H. Nakagome, M. Ota, Chiba University, Japan; T. Numazawa, National Institute for Materials Science, Japan; S. Masuyama, Oshima National College of Maritime Technology, Japan; N. Nakashima and Y. Ikeya, Sumitomo Heavy Industries, Ltd., Japan | International Cryocooler Conference 16 | Atlanta, GA, USA | May 2010 |
| Development of Orientation-Free High Power Stirling-Type Pulse Tube Cryocooler | Y. Hiratsuka and K. Nakano | International Cryocooler Conference 17 | Los Angeles, CA, USA | July 2012 |
| Experimental Investigation of High-Efficiency 4 K GM Crycoolers | T. Morie and M. Y. Xu | International Cryocooler Conference 17 | Los Angeles, CA, USA | July 2012 |
| Numerical Simulation of 4K GM Cryocooler | M. Y. Xu and T. Morie | International Cryocooler Conference 17 | Los Angeles, CA, USA | July 2012 |
| Development of 1.5W 4K Two-Stage Pulse Tube Cryocoolers with a Remote Valve Unit | A. Tsuchiya, M. Xu, X. Lin, H. Takayama and M. Saito | International Cryocooler Conference 18 | Syracuse, NY USA | June 2014 |
| A Novel Approach to Optimize the 2nd Stage Regenerator Configuration of a 4K Gifford-McMahon Cryocooler | S. Masuyama; Oshima National College of Maritime Technology, Japan; Y. Hiratsuka, Sumitomo Heavy Industries, Japan; and T. Numazawa, National Institute for Materials Science, Japan | International Cryocooler Conference 18 | Syracuse, NY USA | June 2014 |
| Numerical Simulation of the Effect of Heat Conductivity in a 4K Regenerator | M. Xu, Q. Bao and A. Tsuchiya | International Cryocooler Conference 18 | Syracuse, NY USA | June 2014 |
| Development Status of a High Cooling Capacity Single Stage GM Cryocooler | Q. Bao, M. Xu, and K. Yamada | International Cryocooler Conference 19 | San Diego, CA, USA | June 2016 |
| Reliability Evaluation of Stirling Cryocooler for an Electric Vehicle High Temperature Superconducting Motor System | K. Yumoto, K. Nakano and Y. Hiratsuka | International Cryocooler Conference 19 | San Diego, CA, USA | June 2016 |
| Mobile Refrigeration System for Precool and Warm Up of Superconducting Magnets | S.K. Gandla, R.C. Longsworth | Cryogenic Engineering Conference 2017 | Madison, WI, USA | July 2017 |
| Development of Zinc-plated Regenerator Material | M.Y. Xu, T. Morie and A. Tsuchiya | Cryogenic Engineering Conference 2017 | Madison, WI, USA | July 2017 |
| Development Status of a High Cooling Capacity Single Stage Pulse Tube Cryocooler | T. Hirayama, R. Li, M.Y. Xu and S.W. Zhu | Cryogenic Engineering Conference 2017 | Madison, WI, USA | July 2017 |
| Performance Estimation of an Oil-free Linear Compressor Unit for a New Compact 2K Gifford-McMahon Cryocooler | Y. Hiratsuka, Q. Bao and M.Y. Xu | Cryogenic Engineering Conference 2017 | Madison, WI, USA | July 2017 |
| Mobile Cryogenic System for Industrial and Laboratory Applications | S.K. Gandla, R.C. Longsworth, R.B. Sloan and N.L. Fasnacht | International Cryocooler Conference 20 | Burlington, VT, USA | June 2018 |
| A Gifford-McMahon Cryocooler Below 2K with Helium 4 | Y.Hiratsuka | International Cryocooler Conference 20 | Burlington, VT, USA | June 2018 |