But when experiment lasts longer time, fouling resistance and heat transfer coefficient change in the same trend as the fore results at the beginning of the experiment.

 
  • 當實(shí)驗時(shí)間延長(cháng)時(shí),發(fā)現污垢熱阻及換熱系數在實(shí)驗開(kāi)始時(shí)的變化趨勢與前面的實(shí)驗結果基本相同,但到后來(lái),二者的數值則分別均趨于穩定。
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