基于Ansys的相变墙体传热特性计算分析.pdfVIP

学兔兔 新癯建巍 全国中文核心期刊 基于Ansys的相变墙体传热特性计算分析 柴国荣 (国家知识产权局 材料部，北京 100088) 摘要：基于Ansys软件建立数学模型，计算分析了不同厚度相变储能材料、不同相变墙体结构的传热特性。计算结果表明，相变 储能材料越厚，相变墙体内层与室内环境界面温度随外界温度变化幅度越小，能够有效降低室内空调设备的能耗；相变储能材料厚 度一定时，不同结构的相变墙体从节能降耗角度差别不大；相变储能材料位于墙体中心位置时节能效果较好。 关键词：相变材料；传热；Ansys数值模拟 中图分类号：TU55 1．1 文献标识码：A 文章编号：1001—702X(2011)07—0079—03 Numerical analysis of the heat transfer characteristics of phase change wall through ansys CHA I Guorong (Material Dept．of State Intellectual Property Office of the P．R．C．，Beijing 100088，China) Abstract：Mathematical model has been set up based on Ansys software．The heat transfer characteristics of phase change material (PCM)of different thickness and wall of different phase change structure are calculated and analyzed．Results show that the thicker the PCM，the smaller the fluctuation range of the interface temperature between the inner layer of phase change wall and the indoor environment with the external temperature，which can effectively reduce the energy consumption of the air conditioning equipment in the room when the thickness of PCM is constant，the energy saving performance is almost the same of different structure of phase change power storage wal1．And energy saving performance is better when the position of phase change material is in the middle of the wal1． Key words：PCM；heat transfer；Ansys numerical simulation 行相关的计算分析。胡小芳和肖迪[61将石蜡相变储能微囊与 O ． 前 言 石膏复合制备了复合建材，检测了复合建材墙体温度对环境 相变材料(PCMs)利用物质的相变潜热来存储