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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Imprimir: 2152-5102
ISSN On-line: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.v34.i2.20
pages 115-128

Theoretical and Numerical Investigation of Oscillation and Switch in a Sonic Oscillator

Shengtao Chen
Institute of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China
Dapeng Hu
Department of Chemical Machinery, Dalian University of Technology Dalian 116024, China
Zuzhi Chen
Institute of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China
Yuqiang Dai
Institute of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China
Runjie Liu
Institute of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China
Che Zhu
Institute of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, China

RESUMO

A periodic and oscillatory flow state in a sonic oscillator is studied in detail. In this paper, the physical model of a sonic oscillator is set up to demonstrate the flow state. Detailed theoretical analysis is made. Numerical simulation of the switch of the jet flow in a sonic oscillator is also done. Emphasis is placed on the factors affecting the switch of the jet flow. Both the momentum supplement to the low-pressure vortex area and the pressure wave in the controlling pipe are contributing.


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