دوره 5، شماره 4 - ( 9-1394 )                   جلد 5 شماره 4 صفحات 2054-2064 | برگشت به فهرست نسخه ها


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Ashouri H. Finite element analysis of thermo-mechanical stresses in diesel engines cylinder heads using a two-layer viscoelasticity model . IJAE. 2015; 5 (4) :2054-2064
URL: http://www.iust.ac.ir/ijae/article-1-334-fa.html
Finite element analysis of thermo-mechanical stresses in diesel engines cylinder heads using a two-layer viscoelasticity model . مجله علمی پژوهشی مهندسی خودرو . 1394; 5 (4) :2054-2064

URL: http://www.iust.ac.ir/ijae/article-1-334-fa.html


چکیده:   (982 مشاهده)

Loading conditions and complex geometry have led the cylinder heads to become the most challenging parts of diesel engines. One of the most important durability problems in diesel engines is due to the cracks valves bridge area. The purpose of this study is a thermo-mechanical analysis of cylinder heads of diesel engines using a two-layer viscoplasticity model. In this article, mechanical properties of A356.0 alloy, obtained by tensile tests at 25 and 200°C. The results of the thermo-mechanical analysis indicated that the maximum temperature and stress occurred in the valves bridge. The results of the finite element analysis of cylinder heads correspond with the simulation results, carried out by researchers.

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نوع مطالعه: پژوهشي | موضوع مقاله: عمومى
دریافت: ۱۳۹۵/۲/۶ | پذیرش: ۱۳۹۵/۲/۶ | انتشار: ۱۳۹۵/۲/۶

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