熱工学コンファレンス講演論文集
Online ISSN : 2424-290X
セッションID: B143
会議情報
B143 ミリチャンネル内垂直下降流における限界熱流束 : 管内径20mmの場合(OS-01:沸騰・凝縮伝熱および混相流の最近の進展(2))
原田 貴之網 健行梅川 尚嗣小澤 守
著者情報
会議録・要旨集 フリー

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抄録
CHF characteristics of downward flow are quite different from that of upward flow. In this investigation, CHF experiments were carried out on a forced convective boiling system with a stainless steel tube of 20 mm in inner diameter and 400 mm in heating length. On the basis of the experimental results, typical CHF mechanisms of downward flow were classified into three modes, i.e., the dryout of falling liquid film at high quality condition, CHF due to flooding at low quality condition, CHF caused by the instability of two-phase flow structure at near subcooled condition. These CHF characteristics were estimated by using simple CHF model.
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