The Redstone Interface Cooling System

  • J. M. Lester
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 43)


An adaptive interface for connecting conventional cryocoolers to space instruments has been designed, built and tested. Many advanced space cryo-cooling applications require tight temperature control in the presence of a widely varying cooling load. Also, often cooling loads must be removed from large distributed areas rather than from concentrated points. These requirements must be met, while at the same time, power is minimized. The Redstone Interface is a temperature control and thermal storage system designed to satisfy the above requirements. The system combines three well known principles into a useful hybrid: a conventional cryocooler such as a Stirling or Turbo-Brayton, a low pressure Joule-Thomson cooling loop and a thermal storage unit. A test system operating at 65 K was shown to maintain the temperature over an 0.5 m long by 50 mm wide simulated sensor to within 0.05 K while the thermal load varied from 0.65 to 3.60 W over an extended period of hours. Other useful system integration features such as ease of heat rejection and lack of sensor disturbances were demonstrated.


Phase Change Material Thermal Storage Sensor Heat Pulse Tube Heat Rejection 
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Copyright information

© Springer Science+Business Media New York 1998

Authors and Affiliations

  • J. M. Lester
    • 1
  1. 1.Redstone Engineering Company Under Contract to Ball Aerospace Systems DivisionBoulderUSA

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