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LI Weiguang, LI Anbang, XU Xinhua, ZHANG Yang, XIE Junlong. 复杂船舶围壁传热系数取值探讨J. Chinese Journal of Ship Research, 2014, 9(2): 78-83. DOI: 10.3969/j.issn.1673-3185.2014.02.014
Citation:
LI Weiguang, LI Anbang, XU Xinhua, ZHANG Yang, XIE Junlong. 复杂船舶围壁传热系数取值探讨J. Chinese Journal of Ship Research, 2014, 9(2): 78-83. DOI: 10.3969/j.issn.1673-3185.2014.02.014
LI Weiguang, LI Anbang, XU Xinhua, ZHANG Yang, XIE Junlong. 复杂船舶围壁传热系数取值探讨J. Chinese Journal of Ship Research, 2014, 9(2): 78-83. DOI: 10.3969/j.issn.1673-3185.2014.02.014
Citation:
LI Weiguang, LI Anbang, XU Xinhua, ZHANG Yang, XIE Junlong. 复杂船舶围壁传热系数取值探讨J. Chinese Journal of Ship Research, 2014, 9(2): 78-83. DOI: 10.3969/j.issn.1673-3185.2014.02.014
复杂船舶围壁传热系数取值探讨
LI Weiguang
,
LI Anbang
,
XU Xinhua
,
ZHANG Yang
,
XIE Junlong
Abstract
Abstract
采用数值模拟软件对几种复杂船舶围壁进行稳态传热计算,并将计算所得围壁传热系数与相关标准提供的计算值进行对比。结果表明,采用数值方法计算得到的复杂船舶围壁传热系数与相关标准提供的参考值相比差异很大。计算结果也表明:空气层厚度对船舶甲板围壁的传热系数影响较大,而对垂直围壁的传热系数影响较小;隔热材料的导热系数对垂直围壁的传热系数影响较大,而对甲板围壁传热系数的影响较小。相关标准直接笼统地给出了各种类型船舶围壁的传热系数,而对围壁空气层厚度及隔热材料导热系数等未作详细说明,在对围壁传热量进行计算时采用标准推荐的传热系数会出现较大偏差,建议针对具体的船舶围壁,通过数值模拟或实验来获取围壁传热系数。
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