Design and Numerical Simulation on the Exhaust Ejector System of Vehicle Power Cabin

张保成; 张子英; 张生保

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Design and Numerical Simulation on the Exhaust Ejector System of Vehicle Power Cabin

更新时间：2026-09-14

- Design and Numerical Simulation on the Exhaust Ejector System of Vehicle Power Cabin
- 动力舱排气引射器设计及其内部流场数值模拟
- Vol. 30, Issue 6, Pages: 518-523(2009)
- 作者机构：
  
  1. 中北大学机械工程与自动化学院
  2. 中国人民解放军63710部队
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2009
- 稿件说明：
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张保成, 张子英, 张生保. Design and Numerical Simulation on the Exhaust Ejector System of Vehicle Power Cabin[J]. 2009, 30(6): 518-523.
DOI：

张保成, 张子英, 张生保. Design and Numerical Simulation on the Exhaust Ejector System of Vehicle Power Cabin[J]. 2009, 30(6): 518-523. DOI：

摘要

采用了利用发动机废气能量的通风散热除尘技术

考虑到动力舱空间限制的制约

为某型重载车辆优选设计了一种排气抽尘引射器.并利用流体动力学数值仿真技术

开展了数值模拟计算

探讨了引射器结构对引射系数的影响

得到了关键结构参数对引射系数的影响规律.据此

改进设计出5种排气引射器型式

使其引射性能得以改善;考虑到紧凑性、轻量化的设计要求

在满足通风散热要求的前提下

不盲目追求最大的引射系数.给出针对混合室工作段长度参量不同的设计方案的对比结果:混合室工作段长度在125 mm附近时

引射器可达到最优引射效果.

Abstract

With the ventilation

heat-dispersion and dust-removal technology based on engine exhaust gas energy

considering the power cabin space limitation

a kind of exhaust ejector is optimally designed for a certain type of heavy vehicle.Using the numerical simulation technology of the fluid dynamics

numerical analog computation is carried on

and the disciplinarian that key structure parameter influence to injection coefficient is obtained.Many better types are designed based on the above prototype

and the injection capability is improved.According to the compaction and lightweight design request

the ejection coefficient is not maximal but adequate.The comparison results indicate that ejector may achieve the most superior injection effect when chamber working segment is about 125 mm long.

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references

杨占华.装甲车辆辅助系统发展趋势及途径探讨[J].车辆与动力技术,2003(3):60-62.Yang Zhanhua.The way and the development prientation of the auxiliary system of the future armored vehicle[J].Vehicle&Power Technology,2003(3):60-62.(in Chinese)

毕小平,杨雨.坦克排气流场与温度场的计算流体力学分析[J].兵工学报,2008,29(9):1025-1028.Bi Xiaoping,Yang Yu.Computational fluid dynamics analysis for flow field and temperature field of tank exhaust[J].Acta Armamentari,2008,29(9):1025-1028.(in Chinese)

李东明,王林,闻雪友,等.船用燃机排气引射器的数值模拟及试验研究[J].热能动力工程,2002,17(3):226-230.Li Dongming,Wang Lin,Wen Xueyou,et al.Numerical simulation and experimental study of the exhaust gaseductor of a marine gas turbin[J].Heat Energy Power Engineering,2002,17(3):60-62.(in Chinese)

胡江峰,张丽芬,刘振侠.发动机短舱冷却的计算研究[J].机械设计与制造,2006(10),6-8.Hu Jiangfeng,Zhang Lifen,Liu Zhenxia.The cooling research of nacelle[J].Machinery Design&Manufacture,2006(10):6-8.(in Chinese)

王锁芳,李立国,吴国钏.波瓣喷管双层壁扩压器流场的数值分析[J].空气动力学学报,2004(1),60-63.Wang Suofang,Li Liguo,Wu Guochuan.Numerical analysis of flow in a lobed exhaust-ejector with a double-walldiffuser[J].ACTA AERODYNAMICA SINICA,2004,22(1):60-63.(in Chinese)

Lu K T,Kiu H S,Lan T H.Geometrically and thermally non-optimum ejector heat pump analysis[J].EnergyConvers Mgmt,2003,l34(12):1287-1297.

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