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09.雾化煤油燃烧数值模拟

日期:2015-03-17 20:30:48 点击:

周康1白皓1杜波1 朱荣2孙冬柏2

1.北京科技大学冶金与生态工程学院,北京1000832. 北京科技大学材料学院,北京100083

关键字:燃料与燃烧;燃烧室设计;数值模拟

中图分类号O358文献标识码A

摘要:本文自主设计了一个旨在产生高温高压气流的燃烧室,通过数值模拟的方法来验证该燃烧室的各项参数是否满足性能要求。对设计的燃烧室几何模型进行了三维结构网格划分,使用Realizable双方程湍流模型、涡团破碎燃烧模型及颗粒轨道模型,采用SIMPLEC算法对燃烧室内燃烧流场进行数值模拟,给出模拟结果对其进行分析。

The numerical simulation of combustion of atomized kerosene

Zhou Kang 1Bai Hao1Du Bo1Zhu Rong2Sun Dong-bai2

1.School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083,China2.School of materials engineering, Beijing 100074,China

Key wordsfuel and combustioncombustion chamber designnumerical simulation

Abstract A combustion chamber was designed which aimed at producing high temperature and high pressure airflow. Numerical simulation method was used to verify whether the parameters of the combustion chamber were able to meet the performance requirements. Three dimensional gird generation technology was used in the meshing of the designed combustion chamber. Realizable turbulence was chosen for the reversed flow exits in the chamber, and Eddy-Dissipation model together with the discrete phase model was adopted to carry out the numerical simulation of the flow field in the combustion chamber based on the SIMPLEC algorithm. The results were obtained and analyzed.

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