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Recommended Test Procedures for Rating the Performance of Gas-Engine-Driven Heat Pumps 燃气发动机驱动热泵性能评级的推荐试验程序
本文介绍了最近开发和推荐的性能测试和分析程序,以表征燃气机热泵的加热和冷却性能,从而可以估计其在各种气候和建筑负荷下的整体季节性性能、能源使用和运行成本。本文共描述了17个性能测试点,这些测试点足以测量在大范围室外空气温度下运行的变容量发动机驱动热泵的稳态和循环加热和冷却性能。这17项试验包括II稳态性能试验、两次部分负荷循环试验、一次除霜循环试验、一次辅助加热器稳态试验和两次家用热水稳态试验。这些测试程序类似于并基于现有的ASHRAE和ARI标准,尤其是ANSI/ASHRAE1 16- 1983年和ARI 210/240-1984年。本文中给出的数据分析程序和方程式将允许使用给定发动机热泵的性能测试数据,对选定的气候和建筑负荷进行箱分析。典型的热负荷和冷负荷曲线包括北方气候和南方气候住宅。最终计算结果将显示供暖和制冷的预期季节性性能系数(SCOP),以及燃气发动机驱动热泵的季节性和年度运行成本。此外,还提出了一个“成本COP”方程,该方程允许对燃气热泵和全电动热泵的COP进行近似比较,同时确认燃气与电力的成本比。 单位:双引文:研讨会,ASHRAE交易,1987年,第93卷,第。田纳西州纳什维尔2号
This paper describes recently developed and recommended performance tests and analysis procedures to characterize the heating and cooling performance of gas-engine heat pumps so that their overall seasonal performance, energy usage, and operating costs can be estimated for various climates and building loads. Altogether, 17 performance test points are described which will be sufficient to measure the steady-state and cyclic heating and cooling performance of a variable-capacity engine-driven heat pump operating over a wide range of outdoor air temperatures. These 17 tests include II steady-state performance tests, two partload cyclic tests, one defrost cyclic test, one auxiliary heater steady-state test, and two domestic water heating steady-state tests.These test procedures are similar to, and based on, existing ASHRAE and ARI Standards, particularly ANSI/ASHRAE1 16-1983 and ARI 210/240-1984.The data analysis procedures and equations given in the paper will allow the performance test data for a given engine heat pump to be used to perform a BIN analysis for a selected climate and building load. Typical heating and cooling load curves are included for both a northern-climate and a southern-climate residence. The final calculated results will indicate the expected seasonal coefficient of performance (SCOP) for both heating and cooling, as well as the seasonal and annual operating costs for the gas-engine-driven heat pump. Also, a "cost COP" equation is presented that allows an approximate comparison to be made between the COP of a gas heat pump and an all-electric heat pump, while recognizing the cost ratio of gas to electricity.Units: Dual
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