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Cryocooler Efficiency Trends (Measured Data and Development Goals)

This article discusses the efficiency trends and development goals of cryocoolers, with a focus on cryocooler efficiency versus capacity and input power. It also explores the use of HCC cryocoolers for DoD missions and their expansion in technology base.

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Cryocooler Efficiency Trends (Measured Data and Development Goals)

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  1. Cryocooler Efficiency Trends (Measured Data and Development Goals)

  2. Cryocooler Efficiency vs Capacity

  3. Cryocooler Efficiency vs Input Power

  4. Creare NICMOS Turbo Efficiency

  5. HCC Cryocoolers for DoD Missions are Further Expanding the Technology Base • DoD Missile Defense Agency missions desire large cooling capacities: • 2 W at 35 K …plus • 20 W at 85 K • Large "Oxford style" pulse tube cryocoolers have been developed at NGST and Lockheed Martin for this need with input power capacities up to 600 watts • These large-capacity coolers provide near-flight-qualified hardware for future NASA missions to build upon NGST (TRW) HCC 35K/85K 2-stage pulse tube cryocooler (14 kg, 600 W) LM HCC 35K/75K 2-stage pulse tube cryocooler (1.65W@ 35K, 18W @75K, 500W

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