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erer007a銅蟲 (小有名氣)
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[求助]
摘要翻譯
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求英文摘要潤(rùn)色。 中文:本文建立了一個(gè)用于分析不同級(jí)間結(jié)構(gòu)的雙級(jí)壓縮系統(tǒng)性能的通用模型。該模型基于一個(gè)典型的再冷循環(huán)推導(dǎo)得出,并通過“輸入域”擴(kuò)展到其它循環(huán)。輸入域通過一個(gè)以過冷參數(shù)為x坐標(biāo),以高壓機(jī)吸氣焓值和噴射制冷劑焓值為y坐標(biāo)的圖形來表示,很好的展示了文中所選的八種級(jí)間結(jié)構(gòu)之間的差異及關(guān)聯(lián)。一些典型例子的計(jì)算結(jié)果表明,該模型可以用于各種循環(huán)之間的性能分析比較,制冷劑選擇及系統(tǒng)運(yùn)行分析。通過附加計(jì)算蒸發(fā)壓力、冷凝壓力以及(或)過冷參數(shù),該通用模型可以擴(kuò)展到其它詳細(xì)的形式。 英文:This paper presents a general model suitable for analyzing performance of a two-stage vapor compression heat pump system with different types of inter-stage configurations. The general model is derived from a typical subcooler cycle, and then generalized to other cycles by employing an “input domain”. The “input domain” is presented with a figure that employs an inter-stage subcooling parameter as the x-axis and the high-stage compressor suction refrigerant specific enthalpy and the injection refrigerant specific enthalpy as the y-axis, which provides well understanding of the differences and relations among the selected eight types of inter-stage configurations. The modeling results of some typical examples show that, the general model is capable of performance comparison among different types of cycles, refrigerant selection or operational analysis. With additional calculations of the subcooling parameter, evaporating and/or condensing pressure, the general model can be extended to other detailed forms. |
銅蟲 (小有名氣)
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銅蟲 (小有名氣)
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銅蟲 (小有名氣)
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