ABSTRACT The paper presents the results of experimental and theoretical studies of temperature fluctuations at the surface of heaters in different heat transfer regimes. Developing several methods of treatment for the temperature fluctuations, we succeed in the diagnosing the onset of transient boiling regimes. The proposed methods are based on the statistical analysis of histograms and amplitude-frequency analysis of the spectra of temperature fluctuations. In addition, the study demonstrates and compares how these techniques may be utilized to predict the transitions from the convective heat transfer to the nucleate boiling and the film boiling regimes.

中文翻译：

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基于温度波动的统计和频率分析的瞬态传热状态诊断

摘要 本文介绍了不同传热方式下加热器表面温度波动的实验和理论研究结果。开发了几种处理温度波动的方法，我们成功地诊断了瞬态沸腾状态的开始。所提出的方法基于直方图的统计分析和温度波动谱的幅频分析。此外，该研究展示并比较了如何利用这些技术来预测从对流热传递到核沸腾和薄膜沸腾状态的转变。