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单位管的英文

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"单位管"怎么读用"单位管"造句

英文翻译手机手机版

  • unit tube

例句与用法

  • The quantitative relational expression is obtained about the coefficient of additional pressure loss and the froude number by experiment , and the relation is made clear between the average speed of waste plastics particles and the pressure loss of per unit length
    由实验得出废塑料输送管内气力输送附加压力损失系数与弗劳德准数的定量关系式,废塑料颗粒平均速度与单位管长压力损失的关系。
  • This paper introduced the experimental results for ground - source water / water heat pump , analyzed the effects of the variety flux on system performance coefficients , which showed that the optimal operation flux is 1000 ( l / h ) and provided the heat exchange rate per unit depth of coil , 45 80 ( w / m ) . compared the exchang - heat - curveline in winter with that in summer , through which showed the advantages of gshp in mode of heating and cooling on long - period operation
    本文介绍了地源水-水热泵全年冬夏暖冷联供的实验结果以及过渡季地温的恢复情况,分析了系统流量对热泵性能参数的影响,获得了最佳运行流量为1000 ( l / h ) 。并实测得到单位管深换热率及埋管的有关性能指标。
  • This experiment include many contents , in a word , that is summer condition experiment , winter condition experiment > summer - winter transition condition experiment and winter - summer transition condition experiment , furthermore summer condition experiment still include flux changing experiment and winter condition experiment still include thermal balance experiment this article dealt with the data of the test , calculating out energy absorbing ( energy discharging ) of buried pipe in winter condition ( summer condition ) , input power of heat pump x heat exchanging of piece buried pipe length x co - efficiency performance ? op ( energy efficiency rate ? er ) and average heat exchanging coefficient ; in additiont this article compares the inlet water temperature and outlet water temperature of underground the first layer and the second layer buried pipe when heat pump was running , the results are that the heat exchanging ability of the second layer buried pipe outgos the first layer buried pipe , and heat exchanging is more stable ; and still analyse earth temperature resuming in the transition season . the results are earth temperature resume fast in the first week when the heat pump runs off
    本文测试内容相当多,概括地说就是四个工况的测试,即夏季制冷工况的测试、冬季供热工况的测试、夏?冬过渡季测试和冬?夏过渡季测试;另外在夏季工况的测试中还进行了变流量测试,在冬季工况的测试中还进行了热平衡测试。本文对测试数据进行了处理,计算出了冬(夏)季工况埋管吸(放)热量、热泵空调器供热量(制冷量) 、热泵空调器输入功率、埋管单位管长换热量、供热性能系数(制冷能效比)和平均传热系数等;另外,还比较了热泵运行时地下一二层埋管进出水温度变化情形,得出地下二层埋管换热能力优于地下一层埋管,且换热很稳定;并分析了过渡季地下一二层埋管温度恢复情形,得出热泵系统停机一周内地温恢复特别快。
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