对流换热系数测量及计算方法

发布时间：2018-04-14 12:42

本文选题：液压系统 + 热　；参考：《液压与气动》2016年04期

【摘要】：液压系统油液温升取决于其生热和换热速率,对流换热系数是液压系统散逸热量精确计算的关键,也是液压系统热分析难点之一。首先介绍了对流换热系数测量和计算方法的发展,然后对目前工程上对流换热系数的测量和计算方法进行概述,分析了这些方法的优缺点、适用范围及发展前景,为液压系统对流换热系数的准确测量与计算提供借鉴。
[Abstract]:The temperature rise of the oil in the hydraulic system depends on its heat generation and heat transfer rate . The convective heat transfer coefficient is the key to the accurate calculation of the dissipation heat of the hydraulic system , and it is one of the difficulties in the thermal analysis of the hydraulic system . Firstly , the measurement and calculation methods of the convective heat transfer coefficient are summarized . The advantages and disadvantages , application range and development prospect of these methods are analyzed , and the accurate measurement and calculation of the convective heat transfer coefficient are provided for the hydraulic system .

【作者单位】：北京航空航天大学交通科学与工程学院;
【基金】：国家自然科学基金(51375029)
【分类号】：TH137

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