汽车新型换热器的设计论文.doc

xxxxxx毕业论文 xxxxxxx毕业论文 题 目 汽车新型换热器的设计 学生姓名 xxxxx 学号 xxxxxxxx 所在学院 xxxxxx 专业班级 xxxxxxxx 指导教师 xxxxxxxx __ __ 完成地点 校内 2015年 5 月 20 日  汽车新型换热器的设计 Xxxx （xxx机械工程学院xxxx班级，xx xx xxx） 指导教师：xxx [摘要] 板翅式换热器已在石油化工、航空航天、电子、原子能、武器工业、冶金、动力工程和机械领域得到广泛应用，并在热能回收，节约原料，降低成本以及一些特殊用途上取得了显著的经济效益。其主要特点是：传热效率高、紧凑、轻巧、适应性强、制造工艺要求严格、制造研究开发费用高、结构复杂、工作压力温度有一定的限制、易堵塞和被腐蚀、工质要求比较洁净、加工工艺复杂等特点。本论文通过对板翅式换热器的结构设计及研究，建立模型，并通过有限元软件对其温度场进行分析，使其结构得到更加优化。 [关键词] 板翅式换热器；翅片；传热系数；有限元分析 The Design Of the Automobile Heat Exchanger Xxxx （Grade2xxx1,Class1,Major Energy and power engineering，Mechanical Engineering Dept.，xxxUniversity of Technology，xxxxxxx，xxxx） tutor: xxx Abstract：Fin type radiator has been in the petroleum chemical industry, aerospace, electronics, atomic energy, weapons industry, metallurgical industry, power engineering and mechanical field is widely used, and the heat recycling, saving raw materials, reduce the cost as well as some special purpose made significant economic benefits. Its main features are: high heat transfer efficiency, compact, lightweight, strong adaptability, strict manufacturing processes, production of the high cost of research and development, complicated structure, the working pressure and temperature has certain limitations, easy blockage and corrosion, working medium is clean, complex processing technology. This paper through the structure design and study of plate-fin heat exchanger, and through the finite element software to analyze the temperature field, make its structure was optimized. Key words：Plate-fin exchanger ; fin; heat transfer coefficient ; ansys Ⅱ Ⅱ Ⅰ Ⅰ 目 录 TOC \o 1-3 \h \z \u 1 绪论 1 1.1选题背景及研究