在60~140℃的冷凝温度范围,对21种环境友好、温度压力水平适宜的流体及CFC11、CFC114进行了中高温热泵理论循环对比分析.结果表明,HFC254cb、HC600、HFC143、HFE134、HFC236ea、HFC236ca、HFC245ca、HFE143、HFE245fa、HFC245fa等工质的理论循环性能较优.
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