2018
DOI: 10.1016/j.applthermaleng.2018.01.057
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Experimental studies of heat transfer of air in a double-pipe helical heat exchanger

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Cited by 37 publications
(10 citation statements)
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“…It is also observed that the overall heat transfer coefficient increases too and log mean temperature difference decreases. Majidi et al [7] the obtained results showed that the overall heat transfer coefficient increases by increasing the Reynolds number. Ramu et al [8].…”
Section: Introductionmentioning
confidence: 95%
“…It is also observed that the overall heat transfer coefficient increases too and log mean temperature difference decreases. Majidi et al [7] the obtained results showed that the overall heat transfer coefficient increases by increasing the Reynolds number. Ramu et al [8].…”
Section: Introductionmentioning
confidence: 95%
“…The heat transfer enhancement techniques in a double pipe heat exchanger are classified into passive and active techniques. Passive methods can work without any external aids by a geometric modification such as varying the cross section of the inner pipe [2][3][4][5][6][7][8]. Active methods require external stimulation such as vortex creation by rotating the inner pipe [9].…”
Section: Introductionmentioning
confidence: 99%
“…Majidi et al [21] studied the influence of installing a copper-wire fin on the outer area of the internal tube in a double-pipe heat exchanger on the overall heat transfer coefficient. The results showed that the flow rates of hot and cold-water streams significantly affect the heat transfer enhancement and increase it up to 6%.…”
Section: Introductionmentioning
confidence: 99%