转缸式斜盘发动机缸内过程流固耦合仿真研究

doi:10.16182/j.issn1004731x.joss.201809036

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (9): 3514-3525.doi: 10.16182/j.issn1004731x.joss.201809036

转缸式斜盘发动机缸内过程流固耦合仿真研究

李鑫, 杨赪石, 彭博

中国船舶重工集团公司第705研究所,陕西西安710077

收稿日期:2016-11-18 出版日期:2018-09-10 发布日期:2019-01-08
作者简介:李鑫(1982-),男,湖北老河口,博士,高工,研究方向为鱼雷热动力技术;杨赪石(1964-),男,硕士,研究员,研究方向为鱼雷动力技术;彭博(1962-),女,硕士,研究员,研究方向为鱼雷动力技术。

In-cylinder Process Simulation of Swashplate Revoloving Cylinder Piston Engine Based on Fluid-structure Interaction

Li Xin, Yang Chengshi, Peng Bo

The 705 Research Institute, China Shipbuilding Industry Corporation, Xi'an 710077, China

Received:2016-11-18 Online:2018-09-10 Published:2019-01-08

摘要/Abstract

摘要： 以某新型鱼雷转缸式斜盘发动机为研究对象,利用动网格技术对缸内的热力过程进行了详细的描述,建立了缸内过程流固耦合数值仿真模型,获得了一个循环六个热力过程下缸内燃气的压力和温度分布情况,得到了热端部件壁面温度分布和热应力。数值计算结果表明：缸内过程组织合理;进气过程,热负荷最大;燃气侧热端部件的壁面温度均低于材料的最高允许工作温度;活塞和气缸套的O形圈沟槽壁面温度低于最高允许工作温度;气缸体、气缸套、活塞的热应力满足强度要求。

关键词: 转缸式斜盘发动机, 动网格, 热力过程, 流固耦合

Abstract: Using dynamic mesh technology, In-cylinder working process of the engine is detailedly designed in this article regarding the new swashplate revolving cylinder piston engine. We establish the numeral simulation model of the engine working process based on fluid-structure interaction, the pressure and temperature distribution of the In-cylinder gas in the six thermal process is obtained, and the temperature distribution of the hot end components is presented. The results show that the working process of the engine is reasonably organized. The biggest thermal load appears in the intake flow process. The wall temperature of the gas side is lower than the maximum allowable working temperature of the material. The temperatures of piston and cylinder sleeve of the O ring groove wall are below the maximum allowable working temperature of O ring material, which can ensure high temperature gas and cooling water reliable seals. The thermal stress of the cylinder, cylinder sleeve and piston can satisfy the strength limit.

Key words: swashplate revolving cylinder engine, dynamic mesh, working process, fluid-structure interaction

中图分类号:

TJ630.2

李鑫, 杨赪石, 彭博. 转缸式斜盘发动机缸内过程流固耦合仿真研究[J]. 系统仿真学报, 2018, 30(9): 3514-3525.

Li Xin, Yang Chengshi, Peng Bo. In-cylinder Process Simulation of Swashplate Revoloving Cylinder Piston Engine Based on Fluid-structure Interaction[J]. Journal of System Simulation, 2018, 30(9): 3514-3525.

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转缸式斜盘发动机缸内过程流固耦合仿真研究

In-cylinder Process Simulation of Swashplate Revoloving Cylinder Piston Engine Based on Fluid-structure Interaction

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