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Numerical and Experimental Study on Contact Face and Shock Wave Motion in the Receiving Tube of Gas Wave Refrigerator

引用

Journal of Thermal Science 2006年第4期15卷 337-341页

作者： dapeng hu shengtao chen hu liu zuzhi chen che zhu Institute of chemical Engineering Dalian University of Technology Dalian Liaoning China

The contact face and shock wave motion in an open ends receiving tube of gas wave refrigerator are investigated numerically and experimentally. The results show that, velocity of the contact face rises rapidly as gas is injected into the receiving tube, and drops sharply after a steady propagation. However, velocity of the shock wave in the tube is almost linear. With increasing of inlet pressure, velocity of the shock wave and steady velocity of contact face also increase. In addition, time and distance of contact face propagation in the receiving tube become longer.

关键词： contact face shock wave receiving tube gas wave refrigerator

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Study on gas and wave in a receiving tube

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Journal of Thermal Science 2008年第2期17卷 170-174页

作者： dapeng hu shengtao chen Jun Yang zuzhi chen Yuqiang Dai che zhu Runjie liu Institute of chemical Engineering Dalian University of Technology Dalian Liaoning China

The gas and wave＇s motion in a receiving tube are investigated numerically and experimentally in the present paper. The results show that, velocity of the contact face rises rapidly as gas is injected into the receiving tube, and then drops sharply after a steady propagation. However, velocity of the wave in the tube is almost linear and the wave can be reflected at the close end of the receiving tube. With increasing of inlet pressure, velocity of the wave and steady velocity of contact face also increase. There is obvious thermal effect as the wave sweeps the gas. The reflected wave can heat the exhausting gas in the open end. As an absorber, an expander and a shrink in the robe can almost completely absorb the reflected wave.

关键词： contact face wave receiving tube absorber

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维普期刊数据库

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Experimental Study on Performance of a Sonic Oscillator

Experimental Study on Performance of a Sonic Oscillator

引用

第五届流体传动与控制国际会议

作者： chen shengtao hu dapeng chen zuzhi Dai Yuqiang zhu che Institute of chemical Engineering Dalian University of Technology Dalian Liaoning 116012 China

＜正＞The sonic oscillator is a simple and efficient fluidic *** paper experimentally studied the oscillation and pressure character in a sonic *** different controlling pipe length and pressure ratio,the oscillation frequency and pressure recovery are *** results show that the relationship between controlling pipe length and oscillation frequency is *** pressure ratio does not work on the oscillation *** diameter of the outlet can obviously affect the pressure recovery. The distance of the splinter does not contribute to the pressure recovery.

关键词： sonic oscillator jet flow controlling pipe pressure ratio splinter

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