2007•Journal of Nantong Vocational CollegeRequires access

Finite Element Analysis Design for a Certain Heat Converter

LU Rong-jun

Abstract

By using ANSYS common finite element analysis software,the tube sheet 3-D finite element solid model for a certain heat converter is built.By means of temperature field analysis,the distribution rule of temperature field on tube sheet is obtained.According to JB4731-1995Steel Pressure Vessel-Analysis Design Code,the stress situation at 7 kinds of instantaneous and stable operation condition of tube sheet occurred in the start-up,normal operation and shut down are analyzed.The stress evaluation was carried out.The dangerous working conditions are examined and the control factor of tube sheet strength is found out.By improving the design,the thermal stress is greatly reduced.

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Key concepts: Finite element method, Tube (container), Stress (linguistics), Structural engineering, Pressure vessel, Engineering, Stress field, Thermal analysis