working temperature difference

The performance data of changing working conditionings mode and changing voltage and adjunctive heat transfer temperature difference and welded resistance and stray heat exchange and element ability step-down effect on the performance data of thermoelectric refrigerator are analyzed.

分析了热电制冷器的制冷工作特性、变工况特性和变电压特性，同时分析了附加传热温差、焊缝电阻、杂散热交换、元件性能下降对热电制冷器性能的影响。

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Thermal Deviation of water wall outlet piping caused by bad furnace firing condition can cause considerable temperature difference on the working media of inlet piping which is introduced to furnace roof inlet header.

由于炉膛燃烧不理想导致水冷壁出口管的热偏差，使进入顶棚进口集箱的引入管的工质产生了较大的温差。

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Four kinds of phenomena in moderate and high temperature heat pumps are found, which those are clear difference between theory and experiments, for example, the COP may be reduced with condensation temperature drop or working frequency of compressor decreasing.

在对中高温热泵进行了大量的试验研究之后，发现了四种有别于理论分析结果的试验现象，如冷凝温度下降，COP也下降；

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