CAJ | 학술논문

低温多效海水淡化蒸发器为大型多鞍座卧式容器，如何保证其安全运行是首先要关注的问题。本文对蒸发器模型进行简化，采用有限元软件 ANSYS 建立了大型多鞍座卧式容器数值分析模型并进行了应力计算，重点考察了大型多鞍座卧式容器的端部鞍座位置变化对筒体的轴向应力、切向剪应力以及周向应力的影响。此外，还针对应力分布及变化趋势，分析了应力产生变化的原因，并提出了减小应力的措施。
저온다효해수담화증발기위대형다안좌와식용기，여하보증기안전운행시수선요관주적문제。본문대증발기모형진행간화，채용유한원연건 ANSYS 건립료대형다안좌와식용기수치분석모형병진행료응력계산，중점고찰료대형다안좌와식용기적단부안좌위치변화대통체적축향응력、절향전응력이급주향응력적영향。차외，환침대응력분포급변화추세，분석료응력산생변화적원인，병제출료감소응력적조시。
For a large horizontal cylindrical vessels with multi saddles, such as the low temperature multi-effect desalination(MED) evaporator, a big concern is how to ensure the safety operation. In this paper, a numerical analysis model was established using the finite element software ANSYS and stress calculation was conducted with the emphasis upon the influence of the end saddle position on the axial stress, tangential stress and circumference stress at the cylindrical shell. In addition, for the stress distribution and variation, the corresponding causes are analyzed and possible measurements to decrease the stress magnitude are proposed.