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本文清晰地说明了干、湿空气比容的各种计算式以及它们之间的相互关系。文中详细地研究了在空调装置的风量及制冷量的计算中关于湿空气比容的正确计算与近似计算,并根据对这些近似计算所进行的误差分析结果提出了它们之间近似应用的条件,以达到计算者可以正确地利用这些近似计算式及防止在实际应用时常存在的混乱现象。故本文对有关空调装置的试验实践及改进湿空气学的教学都有一定的实用价值。
This article clearly illustrates the various calculations for the specific volume of dry and wet air and the correlation between them. In this paper, the exact calculation and approximate calculation of the specific volume of wet air in the calculation of the air volume and the cooling capacity of the air conditioner are studied in detail. According to the error analysis results of these approximate calculations, the approximate application conditions are proposed. In order to achieve the correct use of these approximate formula and prevent confusion in practice. Therefore, this paper has some practical value about the experiment practice of air conditioning unit and the teaching of improving wet air science.