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Two-Phase Experimental Studies on Liquid-Liquid Systems in the Shell-and-Tube Heat Exchanger

机译：管壳式换热器中液体系统的两相实验研究

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摘要

Two-phase heat transfer involving two immiscible systems is gaining importance in petrochemical and allied industries. Varying compositions of second component (liquid) and water were experimentally studied in the shell side of a 1:2 shell-and-tube heat exchanger. The single-phase heat transfer coefficient on pure water and pure liquid were fitted to the Reynolds number range studied for generating the two-phase parameter correlation. The two-phase multiplier was related to the Lockhart-Martinelli (L-M) parameter using the two-phase experimental data and a correlation was established. The two-phase heat transfer coefficient was calculated based on the coefficients a and m for single-phase data along with two-phase multiplier and L-M parameter. The calculated values of the two-phase heat transfer coefficient based on pure component and pure water suggest that water is a better reference fluid for the two-phase liquid-water systems studied and obtained with an average error ranging between 0.74 and 1.89%. In this experimental work, a general correlation was also developed with respect to dimensionless groups by fitting the two-phase experimental data of seven two-phase systems studied and proved with minimum average absolute deviation between experimental and theoretical values.
机译：涉及两个不混溶系统的两相传热在石化及相关行业中正变得越来越重要。在1：2的管壳式换热器的壳侧，对第二组分（液体）和水的各种成分进行了实验研究。将纯水和纯液体的单相传热系数拟合到研究的雷诺数范围内，以产生两相参数相关性。使用两相实验数据，将两相乘数与洛克哈特-马丁尼（L-M）参数相关，并建立了相关性。基于单相数据的系数a和m以及两相乘数和L-M参数，计算出两相传热系数。基于纯组分和纯水的两相传热系数的计算值表明，对于研究和获得的两相液-水系统，水是更好的参考流体，平均误差在0.74至1.89％范围内。在这项实验工作中，通过拟合研究和证明的七个两相系统的两相实验数据，并在实验值和理论值之间具有最小的平均绝对偏差，还建立了与无量纲组的一般相关性。

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  • 来源
    《Heat Transfer Engineering》 |2015年第4期|378-387|共10页
  • 作者

    VAIDYANATHAN ALAGESAN; SRINIVASAN SUNDARAM;

  • 作者单位

    School of Chemical and Biotechnology, SASTRA University, Thanjavur, Tamil Nadu, India 613401;

    School of Electrical & Electronics Engineering, SASTRA University, Thanjavur, Tamil Nadu, India;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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