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【关键词】 整体水源热泵; 测量; 制冷量; 不确定度; 【英文论文关键词】 integral Water-source heat pump; measurement; cooling capacity; uncertainty; 【论文摘要】 基于相关性能测试标准和JJF 1059-1999规范,对整体水源热泵样机制冷量测试结果的不确定度进行分析,建立空气侧和水侧计算数学模型,对A类和B类不确定度进行分别评定,结果表明,机组该次测量的不确定相对值为2%。讨论干球温度、湿球温度、喷嘴直径、压差、大气压力、水温、流量等参数对制冷量测量不确定度的影响,提出对温度测量回路进行一体化标定的建议,为提高试验系统的测试水平提供了参考。 【英文论文摘要】 Based on standards GB/T 19409-2003 and JJF 1059-1999,uncertainty in integral water-source heat pump cooling capacity measurement is analyzed.Calculation mode]for air-side and water-side test are established,and A-type and B-type un- certainty are evaluated respectively.Conclusion indicates that relative uncertainty of this measurement is 2%.Main influence fac- tors on refrigeration volume measurement,such as dry-bulb temperature,wet-bulb temperature,nozzle diameter,pressure differ- ence,atmospheric pressure...