Fundamental Study on Operational Parameters of Diaphragmless Shock Tube

Author:

Nishiyama Masanori,Taguchi Masato,Kashitani Masashi

Abstract

This paper shows influences of initial conditions on a diaphragmless shock tube operation. This facility consists of a driver tube, a driven tube and a damp tank. The driver tube has a circular cross section with diameter of 150 mm and the driven tube, a rectangular cross section (60 mm x 150 mm). The shock tube is operated by using a quick-opening pneumatic piston instead of a diaphragm. For the operation, pressure inside the pneumatic piston (piston pressure) is quickly released by opening a solenoid valve. In this paper, the initial piston pressure was chosen as a parameter to investigate effects on test flow conditions created by the shock tube. As a result, it was found that when the piston pressure at initial condition is large, piston pressure decreased more rapidly than that obtained for a small piston pressure condition, regardless of the pressure ratio of driver and the driven tube. In the condition of a constant initial operational pressure ratio and a different piston pressure, the shock Mach number was almost constant.

Publisher

EDP Sciences

Subject

General Medicine

Cited by 3 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Experimental Studies of Shock Wave Formation in a Diaphragmless Shock Tube;Fluid Dynamics;2023-12

2. A review on Shock tubes with multitudinous applications;International Journal of Impact Engineering;2023-02

3. A review of diaphragmless shock tubes for interdisciplinary applications;Progress in Energy and Combustion Science;2022-11

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