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Semi-GAX cycles for waste heat powered refrigeration absorption heat pumps

机译：废热动力制冷吸收式热泵的半GAX循环

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摘要

Waste heat powered absorption refrigeration is an economical and environmentally beneficial means of providing refrigeration. When the temperature is too low to power a conventional single effect absorption cycle, the double-lift cycle is needed. This paper describes several recently conceptualized double-lift cycles that incorporate internal heat exchange between the intermediate pressure absorber and the high pressure generator (termed semi-GAX). Computer modeling identified their key performance parameters. Compared to conventional double-lift cycles, the semi-GAX cycles enjoy a 20% increase in coefficient of performance, and require less total heat duty, implying lower first cost.
机译：废热动力吸收式制冷是提供制冷的一种经济且对环境有益的手段。当温度太低而无法驱动常规的单效吸收循环时，则需要两次提升循环。本文介绍了几个最近概念化的双提升循环，这些循环结合了中压吸收器和高压发生器（称为Semi-GAX）之间的内部热交换。计算机建模确定了它们的关键性能参数。与传统的双提升循环相比，半GAX循环的性能系数提高了20％，并且所需的总热负荷更低，这意味着较低的首次成本。

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