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Frequency Analysis of Fluctuations of the Temperature of a Heater and of Sound Noise in Boiling Used for the Diagnostics of the Changes in the Heat-Transfer Regimes

机译:加热器温度波动和沸腾声噪声的频率分析,用于诊断传热方式的变化

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摘要

The present paper reports the results of the experimental investigations into the density of distribution of the temperature and sound noise in boiling on a heat-releasing surface. The experiments were carried out with the heater in a pool of water subcooled below the saturation temperature at the atmospheric pressure. There has been established a correlation between spectral characteristics of temperature fluctuations and sound noise associated with boiling. On the basis of the analysis of spectral characteristics and the density of distribution of temperature fluctuations, the method for the classification of boiling regimes has been suggested.
机译:本文报道了在散热表面上沸腾的温度和声音噪声的分布密度的实验研究结果。实验是利用加热器在大气压下过冷至低于饱和温度的水池中进行的。在温度波动的频谱特性和与沸腾有关的声音噪声之间已经建立了相关性。在分析光谱特征和温度波动分布密度的基础上,提出了沸腾状态的分类方法。

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  • 来源
    《Thermal engineering》 |2014年第8期|590-593|共4页
  • 作者单位

    National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, 115409 Moscow, Russia;

    National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, 115409 Moscow, Russia;

    National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, 115409 Moscow, Russia;

    National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, 115409 Moscow, Russia;

    National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), Kashirskoye sh. 31, 115409 Moscow, Russia;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nucleate boiling; diagnostics of heat transfer regimes; temperature fluctuations; sound phenomenon in boiling;

    机译:核沸腾;传热状态的诊断;温度波动;沸腾的声音现象;

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