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| 概要 |
Experimental study was performed on convective heat transfer of air flows in concentric annular channels in order to clarify the criteria for occurrence of turbulent to laminar reverse transition (lam...inarization). The flow channels both with and without convergence were used and strong heating conditions were realized so that nondimensional heating parameters exceed the proposed criteria for the laminarization of the flow within circular tube. No laminarization, however, was observed when the channel has no convergence and it is supposed that the annular flow is seemingly less vulnerable to the laminarization. The heat transfer with convergent passage shows some laminarization behavior and this trend is seen to be enhanced as the heating level is increased.続きを見る
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Mendeley出力
