The Main Mechanism of Nucleate Boiling

V. V. Yagov

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The Main Mechanism of Nucleate Boiling

机译：核沸腾的主要机理

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It is shown that intense evaporation of liquid over the boundaries of dry spots (nucleation sites) is the governing mechanism of nucleate boiling that differentiates it from any type of single-phase convective heat transfer and is a factor explaining why heat transfer during nucleate boiling is extremely intense in the region of high reduced pressures. A calculation equation for heat transfer is substantiated.

机译：结果表明，液体在干点（成核位点）边界上的强烈蒸发是成核沸腾的主导机制，这种机理将其与任何类型的单相对流传热区分开，并且是解释为何在成核沸腾过程中传热的原因。在高压较高的区域内压力非常大。证实了热传递的计算公式。

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来源
《Thermal engineering》 |2008年第3期|p.245-252|共8页
作者
V. V. Yagov;
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作者单位

Moscow Power Institute (MEI), ul. Krasnokazarmennaya 14, Moscow, 111250 Russia;

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正文语种 eng
中图分类发电、发电厂;
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专利

1. A Possible Mechanism for the Formation of Unwettable Dry Spots on the Heated Surface under Nucleate Boiling: Part I. Basic Models and Characteristics of Heterogeneous Nucleate Pool Boiling at a Low Pressure [J] . Physics of atomic nuclei . 2019,第8期

机译：在核心沸腾下的加热表面上形成不易干燥点的可能机制：第一部分。在低压下沸腾异质核池的基本模型和特征
2. A study on the mechanisms triggering the departure from nucleate boiling in subcooled vertical flow boiling using a complementary experimental approach [J] . Gregor Bloch, Moritz Bruder, Thomas Sattelmayer International Journal of Heat and Mass Transfer . 2016,第JANa期

机译：使用补充实验方法研究过冷垂直流沸腾中引起核沸腾偏离的机理
3. Transient flow boiling in a semi-annular duct: From the Onset of Nucleate Boiling to the Fully Developed Nucleate Boiling [J] . Scheiff V, Baudin N., Ruyer P., International Journal of Heat and Mass Transfer . 2019,第AUGa期

机译：半环形管道中的瞬态流沸腾：从核沸腾开始到充分发展的核沸腾
4. Transition from natural convection or nucleate boiling regime to nucleate boiling or film boiling regime caused by a rapid depressurization in highly pressurized and subcooled water (2) transition mechanisms [C] . Akira Sakurai, Masahiro Shiotsu, Koichi Hata, 日本伝熱シンポジウム . 1999

机译：从自然对流或核心沸腾制度转变为核心沸腾或薄膜沸腾制度，由高压和过冷水（2）过渡机制的快速减压引起
5. Continuum and Molecular Dynamics Simulations of the Growth of a Vapor Bubble on a Heating Surface: Exploring the Mechanism of Nucleate Boiling Heat Transfer [D] . Bao, Jinyong 2011

机译：蒸汽在加热表面上生长的连续过程和分子动力学模拟：探索核沸腾传热的机理
6. Nucleate boiling performance on nano/microstructures with different wetting surfaces [O] . HangJin Jo, SeolHa Kim, Hyungmo Kim, 2012

机译：具有不同润湿表面的纳米/微结构上的核沸腾性能
7. Transient flow boiling in a semi-annular duct: From the Onset of Nucleate Boiling to the Fully Developed Nucleate Boiling [O] . V. Scheiff, N. Baudin, P. Ruyer, 2019

机译：半环管道中的瞬态流动：从核心沸腾的开始到完全发育的核心沸腾

The Main Mechanism of Nucleate Boiling

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