以陈列柜为研究对象,在对其柜内空气进行热平衡分析的基础上,提出了利用风幕进出口的焓差确定陈列柜热负荷的方法。
In this paper, a new method of calculating the heat load of display cases was put forward based on the heat balance analysis of the air in it.
利用空气焓值测量方法对热泵的制热量进行测量时,通常采用测流量法测量空气的流量和截面平均温度。
When we measure the heat capacity of heat pump by enthalpy measuring method, we use flow rate measuring method to measure flow rate and sectional mean temperature of air.
指出了在石化企业中掌握在不同状态下轻烃类物理焓、熵及计算方法的重要意义。
The importance to master the calculation method for physical enthalpy, entropy and exergy of light hydrocarbons in various states in petrochemical enterprises were pointed out.
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