JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 28 Issue 1
January 2013
Article Contents
SONG Ying-feng, WU Xue-hong and GONG Yi. The effect of fluid velocity on heat transfer of vertical double U-tube heat exchanger[J]. Journal of Light Industry, 2013, 28(1): 57-61. doi: 10.3969/j.issn.2095-476X.2013.01.014
Citation: SONG Ying-feng, WU Xue-hong and GONG Yi. The effect of fluid velocity on heat transfer of vertical double U-tube heat exchanger[J]. Journal of Light Industry, 2013, 28(1): 57-61. doi: 10.3969/j.issn.2095-476X.2013.01.014 shu

The effect of fluid velocity on heat transfer of vertical double U-tube heat exchanger

  • Received Date: 2012-03-05
    Available Online: 2013-01-15
  • It is necessary to determine a reasonable bore distance when we design the outdoors heat exchanger of the ground-coupled heat pump. The larger distance will cause the waste of ground source,on the contrary, it will change the soil temparature and reduce the efficiency of heat exchanger. So,the effect of fluid velocity on thermal radius was simulated through builting the system runing cost function when system had worked 30 d.The computational results showed that thermal radius is 0.95 m when fluid velocity is 0.4 m/s, which increases with increasing fluid velocity. But the thermal radius range is obviously slight when fluid velocity is more than 0.6 m/s.
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