毕业设计（论文）-U型管式换热器设计软件开发及关键部件有限元分析_精品.doc

U型管式换热器设计软件开发及关键部件有限元分析 摘 要 此次设计的内容是基于U型管式换热器设计的Visual Basic程序软件开发及关键部件有限元分析。 本次设计的主要内容包括U型管式换热器设计前提和设计方案的确定、对工艺结构的尺寸的计算和选择、核算热流量和壁温、计算换热器内流体的压降，再对计算结果进行校核。工艺结构计算主要有对换热管束的型号选择和设计选择确认换热管的排列布置形式；对封头、管板、管箱、壳体内径、拉杆和折流板的计算及法兰和支座选取和其它附件的计算选取等。然后再以此工艺结构计算的设计为基础，利用Visual Basic结构清晰明白的结构化程序设计理念，从而设计出一种改变初始条件即可以一键列出所需U型管式换热器的设计计算结果的软件。再利用ANSYS10.0软件对本次设计的管式换热器中的关键部件的受力范围分析和校核，使得设计更加的准确和合理。 总之，该软件利用了VB可以创建多个窗口，每个窗口利用各自所编写的代码既保证自身的独立性但又可以相互联系的特点，让数据能够自行输入，并在软件中添加了相关的信息提示，从而使本次设计更加准确。 关键词：换热器，U型管，工艺计算，Visual Basic，ANSYS10.0 U-tube Heat Exchanger Design Software Development and Finite Element Analysis of Key Components ABSTRACT The content of this design is based on the Visual type tube heat exchanger design Basic U program software development and key components of the finite element analysis. In short, the software is using VB can create multiple windows, and each window has its own design part of the calculation, the written code to make each form between independent and there is a link, let the data to their own input, and in software add relevant information tips, so as to make the design more accurThe main content of this design includes U type tube heat exchanger; the size of the initial conditions, process of determining structure calculation, heat flows from the accounting and wall temperature calculation, calculation for heat exchanger fluid pressure drop, parts of the selection and calculation of check. The calculation process is mainly including the calculation results of heat exchanger selection, calculate and determine the design of the heat exchanger heat area; structure calculation process are selection of heat transfer tube type and heat transfer tube arrangement, the shell diameter calculation and selection, calculation of the calculations of flow plate selection, takeover and other accessories selection. Then to calculate the structure for this process as a basis for the design, the use of visual basic structure is clear and clear structured program design c