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Anotace knihy

The last two years have witnessed a continuation in the breakthrough shift toward pulse tube cryocoolers for long-life, high-reliability cryocooler applications. One class of pulse tubes that has reached maturity is referred to as Stirling type because they are based on the linear Oxford Stirling-cooler type compressor; these generally provide cooling in the 30 to 100 K temperature range and operate at frequencies from 30 to 60 Hz. The other type of pulse tube cooler making great advances is the so-called Gifford-McMahon type. Pulse tube coolers of this type use a G-M type compressor and lower frequency operation to achieve temperatures in the 2 to 10 K temperature range. Nearly a third of this proceedings covers these new developments in the pulse tube arena. Complementing the work on low-temperature pulse tubes is substantial continued progress on rare earth regenerator materials and Gifford-McMahon coolers. These technologies continue to make great progress in opening up the 2 - 4 K market. Also in the commercial sector, continued interest is being shown in the development of long-life, low-cost cryocoolers for the emerging high temperature superconductor electronics market, particularly the cellular telephone base-station market. At higher temperature levels, closed-cycle J-T or throttle-cycle refrigerators are taking advantage of mixed refrigerant gases to achieve low-cost cryocooler systems in the 65 to 80 K temperature range.

Parametry knihy

Zařazení knihy Knihy v angličtině Mathematics & science Physics Classical mechanics

• Plný název: Cryocoolers 12
• Autor: Ronald G. Jr. Ross
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 825
• EAN: 9781475782066
• ISBN: 1475782063
• ID: 05185629
• Nakladatelství: Springer-Verlag New York Inc.
• Hmotnost: 1276 g
• Rozměry: 235 × 155 × 46 mm
• Datum vydání: 21. June 2013

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