Cryocoolers 24 Table of Contents

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Aerospace Cryocooler Applications

  1 On-Orbit Thermal Performance and Correlation of the SPHEREx Passive Cryogenic System

B.D. Moore, D.A. Bolton, Jet Propulsion Laboratory, Calif. Inst. of Tech., Pasadena, CA; P.M. Korngut, J.J. Bock, Calif. Inst. of Tech., Pasadena, CA; F.K. Miller, Univ. of Wisconsin - Madison, WI

 13 Cryocooler System Design and Performance for the Pandora Flight Mission

C.S. Kirkconnell, J.M. Baxter, N.A. Hudson, West Coast Solutions, Huntington Beach, CA; R.W. Kaszeta, J.T. Greenhalgh, Creare, Hanover, NH; and J. Karburn, Lawrence Livermore Nat'l Lab, Livermore, CA

 25 A High-Capacity Two-Stage JT Cryocooler with a Shared Compression Stage

W. Chen, Jet Propulsion Laboratory, Calif. Inst. of Tech., Pasadena, CA

 33 Four-Stage Pulse Tube Cryocooler for NewAthena

J.R. Olson, H. Yengoyan, S. Ham, M. DeMott, V. Macasaet, E. Roth, B. Evtimov, L. Osborne, Lockheed Martin Space, Palo Alto, CA

 39 Northrop Grumman NewAthena Demonstrator Model Cryocooler Test Results

N.Rich, H. Dzigiel, G. Abraham, N. Camferdam, Northrop Grumman, Redondo Beach, CA

 49 Cryocooler/Thermal System Design and Performance on the HyTI-2 Flight Mission

C.S. Kirkconnell, J.M. Baxter, N.A. Hudson, Wecoso, Huntington Beach, CA; L. Anderson, Orion Space Sys., Louisville, CO; M.A. Nunes, S. Ginoza, Hawaii Space Flight Lab., Manoa, HI; R.W. Kaszeta, Creare, Hanover, NH; L. Anderson. Utah State Univ., Logan, UT; I.N. Ruhlich, AIM Infrarot, Heilbronn, Germany

 61 Ariel JT Cooler Technology Development

M. Crook, M. Hills, G. Gilley, C. Padley, S. Brown, B. Green, A. Orme, R. Crook, L. Gibbs, R. Carver, B. Gillott, S. McCluskey, STFC Rutherford Appleton Laboratory, Oxford, UK

 73 Ariel Active Cooler System: Progress Towards the QM

M. Crook, M. Hills, G. Gilley, C. Padley, S. Brown, B. Green, A. Orme, R. Crook, L. Gibbs, R. Carver, B. Gillott, S. McCluskey, STFC Rutherford Appleton Laboratory, Oxford, UK

Commercial & Lab Cryocooler Applications

 85 Application of Space-Borne Turbo-Brayton Cryocooler Technology to Cooling Future Quantum Computers

M.V. Zagarola, J. Bieszczad, R.H. Gilmore, Creare LLC, Hanover, NH

 93 Cryocoolers for ESO’s Astronomical Telescopes

G. Jakob, European Southern Observatory, Garching, Germany

107 Habitable Worlds Observatory Cryocooler Configuration Trade Study

J.R. Olson, M. DeMott, A. Carrier, L. Osborne, Lockheed Martin Space, Palo Alto, CA

115 Development of a Low-Input-Power Helium Reliquefier for NMR Users

G. Harrington, X. Hao, and B. Zerkle, Bluefors Cryocooler Technologies, Syracuse, NY

123 A Container-Based 100 kg/day Hydrogen Reliquefier

A.J. Caughley, Univ. of Canterbury, Christchurch, New Zealand; N. Glasson, H. Reynolds, J. Meier, J. Clauss, Fabrum, Christchurch, New Zealand; I. Richardson, Plug Power, Colfax, WA, USA

133 Effectiveness of Graded Heat Exchangers on the System-Level Performance of Electric Aircraft Cryogenic Power Devices

Y.J. Choi, C.H. Kim, P. Cheetham, and S.V. Pamidi, Florida State Univ., Center for Adv. Power Sys., Tallahassee, FL

PT & Stirling Cooler Characterization Testing

143 Thermal Vacuum Performance and Characterization Testing of the Ricor K508N and K548 Cryocoolers

I.M. McKinley, C.D. Hummel, J.I. Rodriguez, Jet Propulsion Laboratory, Calif. Inst. of Tech., Pasadena, CA

151 Characterization Testing of the Thales LSF9589 Cryocooler

B.D. Moore, I.M. McKinley, Jet Propulsion Laboratory, Calif. Inst. of Tech., Pasadena, CA

159 Pulse Tube Cryocooler for Integrated Detector Dewar Cooler Assembly

D. Willems, J. Mullié, G. de Jonge, K. Giesen, C. Vasse, J. Wade, Thales Cryogenics BV, Netherlands

165 Environmental Testing of Thales Linear Pulse Tube (LPT) Cryocoolers

I.M. McKinley, C.D. Hummel, B.W. Mueller, J. Keller, L.A. Shaw, R. Sorensen, K. Dang, K. Pham, D.L. Johnson, J.I. Rodriguez, Jet Propulsion Laboratory, Pasadena, CA

179 Thermal Vacuum Performance and Characterization Testing of the Sunpower GTLT Cryocooler

I.M. McKinley, C.D. Hummel, J.I. Rodriguez, Jet Propulsion Laboratory, Calif. Inst. of Tech., Pasadena, CA

189 Micro-Vibration Mitigation of the Air Liquide LPTC Driven by Creare’s MCCE

R.W. Kaszeta, M.V. Zagarola, J. Greenhalgh, and J. Gregoire, Creare, Hanover, NH; J. Baxter, N. Hudson, W. Jackson, and C. Kirkconnell, Wecoso, Huntington Beach, CA; P.O. Mine, D. Lopes and A. Bakkas, Air Liquid Adv. Tech., Sassenage, France

Pt & Stirling Cooler Modeling & Development

195 Crazy Pulse Tube Cryocooler Ideas

J.R. Olson, Lockheed Martin Space, Palo Alto, CA

201 Machine-Learning-Based Approaches for Advanced Cryocooler Design

H. Tanaka, K. Shinozaki, JAXA / R&D, Sagamihara, Japan; K. Tanaka, JAXA / R&D, Tsukuba, Japan; Y. Sato, JAXA / ETTU, Tsukuba, Japan

211 Stationary Testing of a Pulse Tube Cryocooler Designed to Rotate at 6800 RPM with the Superconducting Rotor of an Electric Machine

W.R. Sixel, A.D. Anderson, D. Fong, C.J. Theman, J.J. Scheidler, NASA Glenn Research Center, Cleveland OH; P.J. Passe, HX5, Brook Park, OH

223 Linear Compressor of an Ultra-Low-SWaP Stirling Cryocooler

A.Veprik, R. Bustan, CryoTech, Israel; D. Gedeon, Gedeon Associates, Athens, OH, USA

233 Quantitative Measure of Cryocooler Contamination Using in-situ Cold-Trap Fractionation

D. Wilcox, W. Logan, MVE Biological Solutions, Ball Ground, GA; Phil Spoor, Phuzzy Arts & Science, Waterford, NY

GM & GM-Type PT Development

241 Thermoacoustic Analysis of 3 K Thermal Buffer Tubes and Implications for Miniaturization of 1 Hz Pulse Tube Refrigerators

R. Snodgrass, J. Ullom, NIST, Boulder, CO, and Univ. of Colorado, Boulder, CO

253 Analysis of a Pneumatically Driven Cryocooler Using Acausal Modeling

Q. Bao, Sumitomo Cryogenics of America, Allentown, PA

259 High-Efficiency Operation of Multiple Single-Stage GM Cold Heads Powered by a Single Compressor

S. Masuyama, NIT, Oshima College, Yamaguchi, Japan; K. Natsume, K. Kamiya and T. Numazawa, NIMS, Ibaraki, Japan

269 Influence of Cycle Frequency on Realized Cooling Power in Gifford-McMahon Cryocoolers

J.W. Reightler, Sumitomo (SHI) Cryogenics of America, Allentown, PA

275 Energy Efficiency Improvements on 4.2 K Two-Stage Pulse Tube Cryocoolers

X. Hao, J. Cosco, B. Zerkle and R. Dausman, Bluefors Cryocooler Tech., Syracuse, NY

Turbo-Brayton Cryocoolers

285 Characterization Testing of a 20 Kelvin Cryocooler for Space Applications

B.T. Nugent, W.L. Johnson, R.J. Grotenrath, NASA GRC, Cleveland, OH; J.R. Stephens, NASA MSFC, Huntsville, AL; M.G. Perkins, HX5, Brook Park, OH

295 Launch Vibration Qualification Testing of a High-Capacity 20K Cryocooler for Cryo Fluid Management

K.J. Cragin, N.T. Kattamis and M.V. Zagarola, Creare, Hanover, NH

307 Exported Vibration Measurements of Reverse Turbo-Brayton Cryocooler Components

D.M. Moore, K.J. Cragin, S.E. Zwick, M.V. Zagarola, Creare LLC, Hanover, NH; W. Jackson, R. Hon, L. Evans, S. Lust, West Coast Solutions, Huntington Beach, CA

317 Development and Testing of a High-Effectiveness Recuperator for Spaceborne Turbo-Brayton Cryocoolers

A.L. Niblick, R.H. Gilmore, M.V. Zagarola, J.Y. Bieszczad, Creare, Hanover, NH

325 Advanced Helium Compressor for an Ultrahigh-Capacity 20 K Space Cryocooler

D.M. Moore, K.J. Cragin, J.Y. Bieszczad, M.V. Zagarola, Creare, Hanover, NH

J-T, Sorption, and Electrochemical Cryocoolers

333 Experimental Investigation on Finned-Tube-in-Tube (FTiT) Recuperators for Joule-Thomson Cryocoolers

N. Tzabar, T. Halfon, A. Alexeyev, CryoR – Cryogenics Research, Israel

341 Characterization Testing of Joule-Thomson Coolers for Space Science Missions

K. Shinozaki, H.Tanaka, K.Tanaka, H. Sugita, JAXA/R&D, Japan; Y. Sato, JAXA/ETTU, Japan; S. Tsunematsu, Sumimec Engin, Japan; K. Kanao, SHI, Japan

347 Electrochemical Compressor and Dryer for Hydrogen Joule-Thomson Cryocooling

M. Branco, ESA/ESTEC, Noordwijk, The Netherlands; G. Sdanghi, J. Dillet and G. Maranzana, Univ. Lorraine, Nancy, France; T. Prouve, CEA/SBT, Grenoble, France

Sub-Kelvin and Novel Cryocooler Developments

355 Sub-Kelvin Cryogenics for a Super-Pressure Balloon-Borne CMB Polarimeter: Taurus

J. May, et al., Case Western Reserve Univ., Cleveland, OH

363 Operational Characteristics of FormFactor’s GM-Driven Horizontal Tabletop Dilution Refrigerator

L. Kossel, P. Owen, K. Montoya, B. Toback, K. Faulkner, M. Snow, J. West, FormFactor, Boulder, CO

371 Sub-Triple-Point Nitrogen Spray Cooling

C.B. Kreft, F.K. Miller, Univ. of Wisconsin-Madison, Madison, WI

Cryocooler Integration Technologies

379 Progress on Vanadium Superconducting Heat Switch Development at UW-Madison

A.M. Feucht, S.E. Therien, E.M. Cueva, S.F. Dougherty, O. Dobson, G.F. Nellis, F.K. Miller, Univ. of Wisconsin-Madison, WI; W.A. Holmes, Jet Propulsion Laboratory, Pasadena, CA