【摘要】 本文指出习惯上常用的房间空调器（以下简称空调器）制冷量的定义:Q=G（Ⅰ₁-Ⅰ₂）是不精确的,它与空调器制冷量的真实值Q₀间存在着恒定误差.并进一步论证了空调器制冷量的正确定义应为Q₀=G（Ⅰ₁-Ⅰ₂）-Wi_w（2）.指出焓差法或风管热平衡法空调器制冷量的测定是以定义Q=G（Ⅰ₁-Ⅰ₂）为依据的,前者的误差不小于3%,后者不小于0.6%,而房间热平衡法空调器制冷量的测定装置的设计是符合正确定义的,根据房间热平衡法空调器制冷量测试标准的规定,它的单次测定结果的误差不大于0.5%,多次测定结果的平均值将更接近于真实值.更多还原

【Abstract】 Generally, the definition of the cooling capacity for the room air conditioner isQ=G（I₁-I₂）but this is only an approximate value. According to the mass conservation law and the energy conservation law, we can prove that the precise definition of the cooling capacity for the room air conditioner must beQ₀=G（I₁-I₂）-w_1w2In this paper, it is also pointed out that the measurement of the cooling capacity by the enthalpy difference method （I） and by the test tunnel method （II） are based on the general definition and the measurement of the cooling capacity by the room heat balance method （III） is based on the precise definition. So the error of the value is not less than 3% （method I） and 0.6% （method II）, but the value of the cooling capacity （method III） is very closeto the true value and its maximum error is less than 0.5% if the method is agreed with the standard spe cification.更多还原