• An Advanced Compressor for Turbo-Brayton Cryocoolers 

      Hill, R. W.; Hilderbrand, J. K.; Zagarola, M. V. (Georgia Institute of TechnologyICC Press, 2008-05)
      Future space-borne infrared sensor missions will require reliable, efficient, and lightweight cryocoolers. Reverse turbo-Brayton cryocoolers have the inherent benefits of negligible vibration emittance and the ability to ...
    • CFD Simulation and Experimental Validation of a Diaphragm Pressure Wave Generator 

      Huang, T.; Caughley, A. J.; Young, R.; Chamritski, V. (Georgia Institute of TechnologyICC Press, 2008-05)
      Industrial Research Ltd has been developing a low-cost diaphragm pressure wave generator for cryocoolers since 2004. Thermodynamic losses in the pressure wave generator can have a significant impact on the overall efficiency ...
    • Clearance Loss Analysis in Linear Compressor with CFD Method. 

      Zhou, Wenjie; Gan, Zhihua; Zhang, Xiaobin; Qiu, Limin; Wu, Yinzhe (Georgia Institute of TechnologyICC Press, 2008-05)
      The non-contact seal technology, referred to as clearance seals, is used in linear compressors and promises to maintain the linear compressor for long life operation. The present effort analyzes the aerodynamics in the ...
    • Development of a Moving Magnet Linear Motor Pressure Wave Generator for a Pulse Tube Refrigerator 

      Jacob, S.; Ramanarayanan, V.; Karunanithi, R.; Damu, C.; Jagadish, G.; Achanur, M.; Manjunatha, R.; Prabhu, R. S.; Kumar, J. Kranthi; Gour, A.; Gaunekar, A. S. (Georgia Institute of TechnologyICC Press, 2008-05)
      A pressure wave generator (PWG) is the most critical component of a high frequency pulse tube cooler which is finding increased use in aerospace and ground applications, including the telecommunication sector. High efficiency, ...
    • Enhanced Helium Compressor Operation for Sensitive Measuring Instrumentation 

      Sayles, T.; Martien, D.; Diederichs, J.; Sloan, J.; Bird, D.; Spagna, S. (Georgia Institute of TechnologyICC Press, 2008-05)
      The recent advances in the design of a new class of “energy smart” helium compressors are presented that reduces the operating cost of cryogenically cooled instrumentation. In these systems, the individual speed control ...
    • An Oil-Free Compressor for Gifford McMahon Cold Heads 

      Caughley, A. J.; Meier, J. (Georgia Institute of TechnologyICC Press, 2008-05)
      Industrial Research Ltd (IRL) has developed a novel metallic-diaphragm pressure wave generator technology for large high-frequency (30-60 Hz) pulse tube cryocoolers. A diaphragm pressure wave generator, using a conventionally ...