| The Numerical Simulation of Flow Field of Jet System |
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| 作者姓名： | Guo Jinji Zhang Sheng and Chen TongMechanics Dept. of Zhongshan University Guangzhou . China |
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| 作者单位： | Guo Jinji，Zhang Sheng and Chen TongMechanics Dept. of Zhongshan University，Guangzhou 510275. China |
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| 摘 要： | In this paper, the internal fluid motion of a jet system is described by the Navier Stokes mechanics equations. For the simulation of the motion, the penalty function finite element method is used, and the velocity vectors and stream function curves are obtained. Using the Prandtl theory, this paper derives the free jet velocity and the jet bunch width in a half-space, the latter of which is amended by experiment. The results obtained in this paper are applied to micro-type high pressure water jet cleaner and the ejector of rocket engine.
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The Numerical Simulation of Flow Field of Jet System |
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| Guo Jinji,Zhang Sheng and Chen TongMechanics Dept. of Zhongshan University,Guangzhou . China.The Numerical Simulation of Flow Field of Jet System[J].Journal of Systems Engineering and Electronics,1993(3). |
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| Authors: | Guo Jinji Zhang Sheng and Chen TongMechanics Dept of Zhongshan University Guangzhou China |
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| Institution: | Guo Jinji,Zhang Sheng and Chen TongMechanics Dept. of Zhongshan University,Guangzhou 510275. China |
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| Abstract: | In this paper, the internal fluid motion of a jet system is described by the Navier Stokes mechanics equations. For the simulation of the motion, the penalty function finite element method is used, and the velocity vectors and stream function curves are obtained. Using the Prandtl theory, this paper derives the free jet velocity and the jet bunch width in a half-space, the latter of which is amended by experiment. The results obtained in this paper are applied to micro-type high pressure water jet cleaner and the ejector of rocket engine. |
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| Keywords: | Fluid mechanics equations Penalty finite element method Numerical simulation Free jet Jet bunch width |
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