クライオクーラ〔２〕―極低温冷凍機の基礎―

DOI Web Site 被引用文献1件 参考文献8件

書誌事項

タイトル別名
  • Cryocooler(2)-Fundamental Review of Cryogenic Refrigerators-
  • 基礎講座 クライオクーラ(2)極低温冷凍機の基礎
  • キソ コウザ クライオクーラ 1 キョクテイオン レイトウキ ノ キソ
  • — Fundamental Review of Cryogenic Refrigerators —
  • — 極低温冷凍機の基礎 —

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抄録

Part II of this study covers the variations of loss mechanisms for not only cryocoolers, but also compressors. To do so, it is inevitable to understand the efficiency of a system in terms of percent Carnot and/or a coefficient of performance. Once readers review these concepts, the next step is how to minimize the losses and optimize the entire refrigeration cycle. As described in part I of this study, a GM cryocooler is employed to study the loss mechanisms in detail. By introducing the concepts of energy flow, work flow, enthalpy flow and entropy flow, it is fairly straight-forward to visualize the refrigeration process. This approach is effective to optimize the refrigeration cycle, and a numerical method is used to demonstrate optimization of the GM cooler. To review the historical background of GM coolers, the Solvay cycle is also described to compare efficiencies.

収録刊行物

  • 低温工学

    低温工学 41 (10), 420-427, 2006

    公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)

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