Determination of Bubble Departure Frequency on Artificial Cavities in Nucleate Pool Boiling

陈嘉宾; 蔡振业; 林纪方; 王凤魁

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Determination of Bubble Departure Frequency on Artificial Cavities in Nucleate Pool Boiling

更新时间：2025-12-16

- Determination of Bubble Departure Frequency on Artificial Cavities in Nucleate Pool Boiling
- CIESC Journal Issue 4, (1989)
- 作者机构：
  
  大连理工大学化学工程系,大连理工大学化学工程系,大连理工大学化学工程系,大连理工大学化学工程系大连,大连,大连,大连,现在中国化工进出口公司工作
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 1989，
  
  Published：25 August 1989
- 稿件说明：
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陈嘉宾, 蔡振业, 林纪方, et al. Determination of Bubble Departure Frequency on Artificial Cavities in Nucleate Pool Boiling[J]. CIESC Journal, 1989, (4).
DOI：

陈嘉宾, 蔡振业, 林纪方, et al. Determination of Bubble Departure Frequency on Artificial Cavities in Nucleate Pool Boiling[J]. CIESC Journal, 1989, (4). DOI：

摘要

本文在人工汽化中心表面上

考察了核状池式沸腾过程中

表面过热度、孔径对汽泡脱离频率的影响.实验是在常压下进行的

以脱离子水、乙醇、正丙醇为介质

孔径范围为0.15—0.30mm.对实验结果进行了关联

得到如下无因次方程f/(σ~2ρ_1c_p/μ~2λ_1)=1.40×10~(-6)(ρ_v/ρ_1)~(1.08)(We/Re~2_b)~(1.16)Ja~(1.43)/Pr~(0.06)在前人工作基础上

本文建立了描述汽泡脱离频率与表面过热度和孔径之间关系的数学模型

计算值与实验值符合良好.

Abstract

The effect of surface superheat and cavity size on frequency of bubble departure in nucleate pool boiling with artificial nucleation sites was studied by using laser fiber probe. The experiments were carried out with water

ethanol and n-propanol under atmospheric pressure. The cavity size ranged from 0.15 to 0.30mm. The experimental data were correlated and the following dimensionless equation was obtained: A mathematical model predicting the frequency of bubble departure was presented. The predictod results obtained from the proposed model agreed satisfactorily with experimental data.

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