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 |
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。
[1] |
船舶设计实用手册冷藏通风编写组.船舶设计实用手册 冷藏通风分册[M].北京:国防工业出版社,1975.
|
[2] |
中华人民共和国国家技术监督局.GB/T 13409-92 船舶起居处所空气调节与通风设计参数和计算方法[S].北京:中国标准出版社,1992.
|
[3] |
ESEN H,INALLI M,ESEN M.Numerical and experimental analysis of a horizontal ground-coupled heat pump system[J].Building and Environment,2007,42(3):1126-1134.
|
[4] |
WU Y P,GAN G H,VERHOEF A,et al.Experimental measurement and numerical simulation of horizontal-coupled slinky ground source heat exchangers[J].Applied Thermal Engineering,2010,30(16):2574-2583.
|
[5] |
FLORIDES G A,CHRISTODOULIDES P,POULOUPATIS P.Single and double U-tube ground heat exchangers in multiple-layer substrates[J].Applied Energy,2013 ,102:364-373.
|
[6] |
GANG W J,WANG J.Predictive ANN models of ground heat exchanger for the control of hybrid ground source heat pump systems[J].Applied Energy,2013,112:146-1153.
|
[7] |
胡孟娣,彭钦磊.内嵌管式辐射地板传热简化模型研究[J].建筑科学,2012,28(6):106-109.HU Mengdi,PENG Qinlei.Development of simplified thermal model of pipe-embedded radiant floors[J].Building Science,2012,28(6):106-109.
|
[8] |
李大鹏,廖胜明.U形地埋管换热器的三维数值模拟及传热分析[J].暖通空调,2008,38(12):14-17.LI Dapeng,LIAO Shengming.Three-dimensional numerical simulation and heat transfer analysis for U-tube ground heat exchangers[J].Journal of HV&AC,2008,38(12):14-17.
|
[9] |
王晓璐,黄大宇,孙昆峰.周期性非稳态条件下多孔砖、空心砖传热影响因素的数值计算与研究[J].工程热物理学报,2008,29(5):841-844.WANG Xiaolu,HUANG Dayu,SUN Kunfeng.Numerical study for the heat transfer performance of porous and hollow brick under the periodical boundary conditions[J].Journal of Engineering Thermophysics,2008,29(5):841-844.
|
[10] |
连小鑫,刘金祥,陈晓春,等.垂直U型地埋管换热器的数值模拟分析[J].太阳能学报,2012,33(1):48-55.LIAN Xiaoxin,LIU Jinxiang,CHEN Xiaochun,et al.Numerica simulation analysis on vertical U-tube underground heat exchanger[J].Acta Energiae Solaris Sinica,2012,33(1):48-55.
|
[11] |
李鹏飞,徐敏义,王飞飞.精通CFD工程仿真与案例实战[M].北京:人民邮电出版社,2011.
|
[12] |
PAILLERE H,VIOZAT C,KUMBARO A,et al.Comparison of low Mach number models for natural convection problems [J].Heat and Mass Transfer,2000,36(6):567-573.
|
[13] |
陶文铨.数值传热学[M].第2版.西安:西安交通大学出版社,2005.
|
[14] |
李世武,熊莉芳.封闭方腔自然对流换热的研究[J].工业加热,2007,36(3):10-13.LI Shiwu,XIONG Lifang.Study of natural convection in closed a square cavity[J].Industrial Heating,2007,36(3):10-13.
|
[15] |
杨钰,贾宝山.方腔内20~720 K温差下自然对流变物性模型[J].清华大学学报,2003,43(12):1597-1600.YANG Yu,JIA Baoshan.Variable property model for natural convection in a square cavity with temperature differences of 20~720 K[J].Journal of Tsinghua University(Science and Technology),2003,43(12):1597-1600.
|
[16] |
章熙民,任泽霈,梅飞鸣.传热学[M].第5版.北京:中国建筑工业出版社,2007.
|