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首页> 外文期刊>International Journal of Heat and Mass Transfer >Experimental study on performance improvement of a four-bed adsorption chiller by using heat and mass recovery
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Experimental study on performance improvement of a four-bed adsorption chiller by using heat and mass recovery

机译：利用热质回收提高四床吸附式制冷机性能的实验研究

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The efficacy of a four-bed adsorption chiller has been studied experimentally with respect to a simple but yet effective passive heat and mass recovery schemes. It substantially improves the adsorption chiller COP by as much as 30% over a broad range of cycle time with a wide heat source, coolant and chilled water temperatures. Two schemes have been considered here: Firstly, only the mass recovery is achieved by pressure equalization between the concomitantly cooled adsorber and heated desorber, exploiting the intrinsic vapor-uptake potential by pressure swing that remains in the adsorbent at the end of a half-cycle. Secondly, when both the heat and mass recovery schemes are employed at a rating point of maximum cooling capacity, the chiller COP could increase further to as much as 48%. These improvements are performed without additional hardware changes to the adsorption chiller.
机译：关于简单但有效的被动式热量回收和质量回收方案，已经通过实验研究了四床吸附式冷却器的功效。在宽广的循环时间内，通过广泛的热源，冷却剂和冷却水温度，它可以将吸附式冷却器COP提升多达30％。这里考虑了两种方案：首先，仅通过同时冷却的吸附器和加热的解吸器之间的压力平衡来实现质量回收，并利用半周期结束时保留在吸附剂中的变压来利用固有的蒸气吸收潜力。 。其次，当在最大制冷量的额定值上同时采用热量回收和质量回收计划时，冷却器COP可能会进一步增加至48％。无需对吸附式冷却器进行其他硬件更改即可执行这些改进。

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