CAJ | 학술논문

针对氨水吸收/压缩复合制冷循环的方式不同，结合 Schulz 氨水溶液状态方程，分别对压缩机处于系统高压区和低压区2种不同的组合方式进行了理论分析计算。分析了在给定中间压力下，蒸发温度 Te、热源温度 Th 和冷却水温度 Tw 对2种组合方式下压缩机当量热耗量 qCW、热源耗热量 qG 和循环性能系数 COP的影响。结果表明：压缩机当量热耗量对循环性能系数的影响要低于热源耗热量的影响；压缩机处于系统高压区时循环的一次用能量要明显高于压缩机处于系统的低压区；压缩机处于系统低压区时循环性能要优于压缩机处于系统的高压区。当中间压力给定时，存在一个最佳热源温度，使得氨水吸收/压缩复合制冷循环的性能系数取得最大值。
침대안수흡수/압축복합제랭순배적방식불동，결합 Schulz 안수용액상태방정，분별대압축궤처우계통고압구화저압구2충불동적조합방식진행료이론분석계산。분석료재급정중간압력하，증발온도 Te、열원온도 Th 화냉각수온도 Tw 대2충조합방식하압축궤당량열모량 qCW、열원모열량 qG 화순배성능계수 COP적영향。결과표명：압축궤당량열모량대순배성능계수적영향요저우열원모열량적영향；압축궤처우계통고압구시순배적일차용능량요명현고우압축궤처우계통적저압구；압축궤처우계통저압구시순배성능요우우압축궤처우계통적고압구。당중간압력급정시，존재일개최가열원온도，사득안수흡수/압축복합제랭순배적성능계수취득최대치。
In view of different compressor adding ways in the ammonia-water absorption/compression combined refrigeration AWA /CCR cycle combining the Schulz state equation of the ammonia-water solution the theoretical analysis and calculations on two combination ways by adding the compressor in the high-pressure area and in the low-pressure area are conducted respectively.The effects of several factors including the evaporation temperature Te heat-source temperature Th as well as the cooling water temperature Tw on the equivalent heat consumption in compression qCW heat consumption in absorption qG and the system coefficient of performance COP are analyzed under the two combination configurations.The results show that the effect of the equivalent heat consumption in compression on the COP is less than that of the heat consumption in absorption.Besides the compressor set in the high-pressure area uses more energy than that in the low-pressure area. Moreover the compressor in the low-pressure area is superior to that in the high-pressure area with respect to the COP. Under the given intermediate pressure there is an optimum heat-source temperature corresponding to the maximum COP of the AWA/CCR cycle.