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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference: Design and Analysis of Ressure Vessels and Piping: Implementation of ASME B31, Fatigue, ASME Section VIII, and Buckling Analyses; 20030720-20030724; Cleveland,OH; US >QUALFICATION OF A JACKETED VESSEL USING FINITE ELEMENT ANALYSIS
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QUALFICATION OF A JACKETED VESSEL USING FINITE ELEMENT ANALYSIS

机译：有限元分析对夹套船舶的鉴定

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摘要

The main objective of this paper is to improve a jacketed vessel. The jacketed vessel is usually chosen to heat the contents of the vessel. The chamber or annulus contains fluid under pressure to heat the inner vessel contents. The initial over-all dimensions of the vessel are based on the capacity of the stored liquid. The design was in accordance with the ASME Boiler & Pressure Vessel Code, Section Ⅷ, Div 1. The jacketed vessel bottom head and jacket bottom head are being improved to withstand internal and external design pressures. Bottom head of the jacket can be reinforced in one of the three ways, namely: (1) rings which are radial (these rings also create flow for the fluid); (2) attachment of the rings to the bottom jacket head with stays, since rings cannot be physically welded to the bottom jacket; or (3) there is a possibility, the new bottom head and jacketed head combination can be cast, but that would not be economically feasible. This leads to the following six configurations considered in this paper and they are: (1) internal pressure of 50 psi, (2) external pressure + vacuum pressure of 65 psi, (3) reinforcement with 5 rings with external pressure of 65 psi, (4) rings welded with the bottom jacket head with external pressure of 65 psi, (5) welded with stays on ring location (stay diameter of 1 inch) with external pressure of 65 psi, and (6) welded with stays on ring location (stay diameter of 1.5 inch) with external pressure of 65 psi. The pattern of stays chosen for this analysis is one of uniform distribution on ring locations, which are radially situated. The design dimensions based on Code sizing are used to recalculate the stresses for the jacket vessel. The dimensional jacketed vessel is modeled using STAAD Ⅲ Finite Element Analysis (FEA) software. The design is found to be safe for the specific configuration considered herein with stays.
机译：本文的主要目的是改进夹套容器。通常选择带夹套的容器来加热容器中的内容物。腔室或环带在压力下包含流体，以加热内部血管内容物。容器的初始总体尺寸基于所存储液体的容量。设计符合ASME锅炉和压力容器规范，第Div部分，Div1。夹套容器底盖和夹套底盖正在改进，以承受内部和外部设计压力。外套的底部可用以下三种方法之一进行加固：（1）径向的环（这些环也为流体提供流动）； （2）由于不能将环物理焊接到底壳上，所以将环圈用撑条固定在底壳头上。或（3）有可能铸造出新的底头和夹套头组合，但在经济上不可行。这导致本文考虑以下六种配置，它们是：（1）内部压力为50 psi，（2）外部压力+真空压力为65 psi，（3）具有5个环的加强筋，外部压力为65 psi， （4）外压为65 psi的底套头焊接环，（5）外压为65 psi的拉环位置焊接的撑杆（撑杆直径为1英寸），和（6）环的拉压环焊接了撑杆（支柱直径1.5英寸），外部压力为65 psi。选择用于该分析的撑杆模式是在径向定位的环位置上均匀分布的一种。基于规范尺寸的设计尺寸用于重新计算外套管的应力。使用STAADⅢ有限元分析（FEA）软件对带夹套的容器进行建模。发现该设计对于本文中考虑的特定构造是安全的。

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