试算法在多维非稳态导热问题中的应用  

Trial Algorithm Applied on Multi-dimensional Transient Heat Conduction

作　　者：陈艳华[1] 张振迎[1] 景宝国[1,2] 

机构地区：[1]河北理工大学建筑工程学院,河北唐山063009 [2]中油辽河油田公司锦州采油厂,辽宁凌海121209

出　　处：《建筑节能》2010年第1期68-70,共3页BUILDING ENERGY EFFICIENCY

摘　　要：试算法是工程计算中常用的方法。以传热学中常见的多维非稳态导热问题为对象,介绍了该类问题的主要求解方法,如分析解法,集总参数法,实用计算法等,并采用近似拟合的实用计算法和试算法对该类问题的一实例进行计算,给出了应用试算法求解该类问题的框图。阐明了试算法在该类问题求解中的意义,便于理解问题寻找求解思路,并可以与其他方法相结合,特别是随着计算机技术的高速发展,试算法的优势更加突出。Trial algorithm is applied usually in engineering calculation. Considered the multi-dimensional transient heat conduction, main calculation methods are introduced, such as analytical method, lumped parameter, practical calculation method and so on. Approximate fitted formula and trial algorithm methods are used in the example of multi-dimensional transient heat conduction respectively. Block diagram of triol algorithm for this kind of problem is given. Significance of trial algorithm is clarified in these problems, which is easy to analyze for finding solution. Also, the trial algorithm can be connected with other methods to solve many problems. Especially with the rapid development of computer technology, the advantages of trial algorithm is more prominent.

关 键 词：试算法 非稳态导热 近似拟合公式 传热 

分 类 号：TU502[建筑科学—建筑技术科学]