ANALYSIS OF THERMO-MECHANICAL RESPONSE IN AN AIRCRAFT PISTON ENGINE BY ANALYTICAL,FEM, AND TEST-STAND INVESTIGATIONS

Wieslaw Ostapski

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ANALYSIS OF THERMO-MECHANICAL RESPONSE IN AN AIRCRAFT PISTON ENGINE BY ANALYTICAL,FEM, AND TEST-STAND INVESTIGATIONS

机译：通过分析，有限元和试验台研究分析飞机活塞发动机的热机械响应

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In the paper, a 3D model of the cylinder sleeve and head as well as their assembly are analyzed in terms of thermo-mechanical loadings. In the initial study, analytical expressions for stresses and deformations in the cylinder-head connection are set forth and examined. In that area, wear of the cylinder wall is most intensive and strongly non-uniform. The proposed model gives satisfactory results for the axially non-symmetric case. Computer simulations on a FE model confirm analytical predictions. That constitutes a basis for formulation of some structural modifications to the considered cylinder system to reduce the non-uniformity of cylinder wall deformations.

机译：在本文中，根据热机械载荷分析了气缸套和缸盖的3D模型及其装配。在最初的研究中，提出并检验了气缸盖连接处的应力和变形的解析表达式。在该区域，气缸壁的磨损最为严重，并且非常不均匀。对于轴向非对称情况，所提出的模型给出了令人满意的结果。在有限元模型上的计算机仿真证实了分析预测。这构成了对所考虑的汽缸系统进行一些结构修改以减少汽缸壁变形不均匀性的基础。

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来源
《Journal of thermal stresses》 |2011年第3期|p.285-312|共28页
作者
Wieslaw Ostapski;
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作者单位

Institute of Machine Design Fundamentals, Warsaw University of Technology,Warsaw, Poland;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
axi-symmetric and non axi-symmetric problem; experimental examinations; FEM simulations; piston engine; stress and strain state; thermo-mechanical loading;

机译：轴对称和非轴对称问题;实验检查;有限元模拟活塞发动机应力和应变状态;热机械载荷;

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ANALYSIS OF THERMO-MECHANICAL RESPONSE IN AN AIRCRAFT PISTON ENGINE BY ANALYTICAL,FEM, AND TEST-STAND INVESTIGATIONS

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