Adsorbent bed is the core component of adsorption refrigeration system, its heat and mass transfer performance has a direct influence on the refrigerating capacity of the system.

吸附床是吸附式制冷系统的核心部件，其传热传质性能的好坏直接影响到系统的制冷量。

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Contrast experiments between gravity feeding and direct expansion refrigeration system were carried on, performance characteristics difference of the two refrigeration systems were found out.

并与直接膨胀供液制冷系统做同工况下的对比实验，分析两种系统的工作特性差异。

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