Various Film Boiling States in He II at Hydrostatic Pressures from Saturated Vapor Pressure to 1 ATM
Various Film Boiling States in He II at Hydrostatic Pressures from Saturated Vapor Pressure to 1 ATM
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He II 中从饱和蒸气压到 1 ATM 的静水压力下的各种膜沸腾状态
DOI：
10.1007/978-1-4757-9047-4_178
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发表时间：
1998
期刊：
影响因子：
--
通讯作者：
H. Inaba
中科院分区：
文献类型：
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作者：
M. Murakami;M. Yamaguchi;N. Yanase;H. Inaba
通过测量从饱和蒸汽压到λ压力以上的大范围静水压力下的压力振荡，实验研究了He II中几种膜沸腾状态的特征特征。在蒸汽压接近饱和的条件下，根据静水压力的大小，He II中出现了两种膜沸腾状态。在λ压力以上，膜沸腾状态不同于噪声状态，产生的可听噪声较弱，但频率较高。从压力振荡的主要频率的变化可以清楚地看出从一种沸腾状态到另一种沸腾状态的转变。发现过冷的He II中不发生嘈杂沸腾。
The characteristic feature of several film boiling states in He II is experimentally investigated by measuring pressure oscillation in a wide range of hydrostatic pressure from saturated vapor pressure to above the lambda pressure. There appear two kinds of film boiling states in He II under nearly saturated vapor pressure condition depending on the magnitude of the hydrostatic pressure. Above the lambda pressure, however, a film boiling state being different from noisy state appears in which much weaker but higher frequency audible noise is generated. The transition from one boiling state to another is clearly seen from the shift in the predominant frequency of pressure oscillation. It is found that noisy boiling does not occur in subcooled He II.