研究空气冷却过程,当有湿交换时,必须要测量空气的焓差。
In studying air-cooling process with humidification or dehumidification, it is necessary to measure the enthalpy difference of air before and after the air - cooler.
在焓差室中,可以准确地测定系统的制冷量、风量和耗功等技术数据。
Some system technical data were measured in the Psychometric Rooms, including refrigerating capacity, airflow volume and energy consumption.
比焓和焓差的计算关键是计算基准的确定,同时也离不开热容值的正确获取。
The key to calculate the specific enthalpy and enthalpy difference is to make sure of the benchmark as well as the value of heat capacity value.
风侧焓差法冷量计量方法的出现有助于促进国内冷量计量收费工作的推广开展。
The appearance of the air-side enthalpy difference metering method helps to boost the progress of the cooling metering and charging work in our country.
在用空气焓差法测量空气冷却设备冷量的标准中,空气湿度常用湿球温度取样的方法测得。
According to the criteria on testing air cooling equipments by means of air enthalpy difference method, air humidity is often obtained in the way of sampling wet bulb temperature.
焓差试验结果表明设计工况下样机实际制冷功率约为700w,循环COP约为0.31。
The test used "Enthalpy Difference Method Setup" shows that the prototype can obtain a cooling power of about 700w and COP 0.31.
由于在液氮温区附近氦气高低压焓差不平衡,导致G-M机蓄冷器中温度分布出现低温平台。
The disequilibrium of the enthalpy difference of helium at liquid - helium temperature region results in that the temperature distribution in the regenerator of a GM refrigerator forms a platform.
利用空气焓差法进行热泵空气侧换热量测量时,通常采用测流量法测量风的流量和截面平均温度。
When we measure the air heat capacity of heat pump by enthalpy potential method, the flow rate measuring method was used to measure flow rate and sectional mean temperature of air.
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.
计算结果表明,随着溅射时氧分压的增加,薄膜的结晶活化能增加,而相应的非晶态与晶态之间的焓差则呈现出相反的变化趋势。
The results showed that the activation energy increased with the increase of oxygen partial pressure, while the enthalpy difference between the as-deposited and the crystalline states decreased.
用热回收装置引进新风后基本没有改变空调器的输入功率,相同环境条件下的制冷量增加,EER值增大,焓差热回收效率最高可达到34.12%。
The input power isn't changed much when the heat recovery device is running, on the contrary the EER value becomes bigger and the enthalpy difference heat recovery efficiency reaches 34.12%.
并应用等效焓降理论对循环函数的定量分析加以改进,进行了耗差分析。
The improved cyclical function method is analyzed quantitatively through using the theory of the equivalent enthalpy drop and the real-time thermal consumption analysis can done.
其熔融热焓较大,说明熔融结晶时结晶尺寸较大;过冷程度较小,可纺性差。
Its high melting enthalpy results in bigger crystal size, lower super-cooling and poor spinnability.
结果表明,小米淀粉与玉米淀粉相比,糊的凝胶稳定性好、持水力强、膨胀力高、糊化温度高、热焓变值大、但透明度较差、冻融稳定性不佳、 热稳定性差;
The results have showed, millet starch, compared with maize starch, have weaker agglutination stability, higher swelling power and gelatinization temperature, poor freeze-thaw stability;
结果表明,小米淀粉与玉米淀粉相比,糊的凝胶稳定性好、持水力强、膨胀力高、糊化温度高、热焓变值大、但透明度较差、冻融稳定性不佳、 热稳定性差;
The results have showed, millet starch, compared with maize starch, have weaker agglutination stability, higher swelling power and gelatinization temperature, poor freeze-thaw stability;
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