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http://dx.doi.org/10.3795/KSME-B.2004.28.7.850

A Computational Study of the Impulsive Wave Discharged from a Circular Tube  

Lee, Young-Ki (안동대학교 기계공학부)
Kweon, Yong-Hun (일본큐슈대학교 총합이공학 연구)
Kim, Heuy-Dong (안동대학교 기계공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.28, no.7, 2004 , pp. 850-856 More about this Journal
Abstract
When a shock wave arrives at the open end of a tube, an impulsive wave is discharged from the tube exit and causes serious noise and vibration problems. In the current study, the effect of the cross-sectional area of a circular tube on the impulsive wave is investigated using computational methods. Marten-Yee's TVD scheme was employed to solve axisymmetric, unsteady, compressible Euler equations. With a change in the cross-sectional area of the tube, the Mach number of an incident shock wave is varied between 1.01 and 1.50. The results obtained show that the magnitude of the impulsive wave strongly depends upon the Mach number of the incident shock wave and the cross-sectional area of the tube. It is also found that for a given cross-sectional area of the tube, the impulse wave has strong directivity to the tube axis.
Keywords
Compressible Flow; Impulsive Noise; Impulsive Wave; Shock Tube; Shock Wave; Unsteady Flow;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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