技术中心

【英文篇名】 Calculation and analysis on insulation thickness of heating pipes 【作者中文名】 董重成; 那威; 李岩; 【作者英文名】 By Dong Zhongcheng★; Na Wei and Li Yan; 【作者单位】 哈尔滨工业大学; 【文献出处】 暖通空调, Hv 经济厚度; 保温层; 边界离散; 【英文关键词】 heating pipe; economical insulation thickness; insulation layer; boundary discretization; 【摘要】 建立了供热管网直埋、地沟敷设管道的二维数学模型,通过边界离散方法进行了求解。分析了保温管道的保温层及其邻域土壤的温度场和热流规律,计算了保温管道的热损失。运用经济学的相关理论,对供热管道的保温厚度进行了优化分析,讨论了影响保温管道经济厚度的因素。 【英文摘要】 Develops the two dimensional mathematical models for direct-buried pipes and in-duct pipes and solves them using the boundary discretization method. Analyses the temperature field and heat flow around the pipes. Calculates the heat loss of insulation pipes. Optimizes the insulation thickness of heating pipes using economic theories. Discusses the factors influencing economical insulation thickness.