Reflection of shock waves by a wall in two-phase gas-bubble-liquid media with variable mass concentration of the gas

1982 ◽  
Vol 17 (2) ◽  
pp. 299-302
Author(s):  
B. E. Gel'fand ◽  
A. V. Gubanov ◽  
E. I. Timofeev
Keyword(s):  
Shock Waves ◽  
Mass Concentration ◽  
Variable Mass ◽  
Gas Bubble ◽  
Liquid Media ◽  
Two Phase ◽  
Bubble Liquid

Passage of shock waves through an interface of two-phase gas-liquid media

1976 ◽  
Vol 9 (6) ◽  
pp. 914-920
Author(s):  
B. E. Gel'fand ◽  
S. A. Gubin ◽  
S. M. Kogarko ◽  
E. I. Timofeev
Keyword(s):  
Shock Waves ◽  
Liquid Media ◽  
Two Phase

Reflection of plane shock waves from a solid wall in a gas bubble-liquid system

1978 ◽  
Vol 13 (2) ◽  
pp. 306-310 ◽  
Author(s):  
B. E. Gel'fand ◽  
S. A. Gubin ◽  
E. I. Timofeev
Keyword(s):  
Shock Waves ◽  
Solid Wall ◽  
Liquid System ◽  
Plane Shock ◽  
Gas Bubble ◽  
Bubble Liquid

Features of spatial shock-wave flows in vapor-gas-liquid mixtures

2014 ◽  
Vol 10 ◽  
pp. 27-31
Author(s):  
R.Kh. Bolotnova ◽  
U.O. Agisheva ◽  
V.A. Buzina
Keyword(s):  
Shock Wave ◽  
High Pressure ◽  
Shock Waves ◽  
Liquid Mixture ◽  
Liquid Mixtures ◽  
Pressure Vessels ◽  
Water Mixture ◽  
Two Dimensional ◽  
Nonstationary Processes ◽  
Two Phase

The two-phase model of vapor-gas-liquid medium in axisymmetric two-dimensional formulation, taking into account vaporization is constructed. The nonstationary processes of boiling vapor-water mixture outflow from high-pressure vessels as a result of depressurization are studied. The problems of shock waves action on filled by gas-liquid mixture volumes are solved.

Analysis of Transient Two-Phase Flow in Pressure Safety Valve Outlet Headers

2018 ◽  
Author(s):  
Maral Taghva ◽  
Lars Damkilde
Keyword(s):  
Steady State ◽  
Shock Waves ◽  
High Speed ◽  
Two Phase Flow ◽  
Safety Valve ◽  
Strong Shock ◽  
Flow Property ◽  
Phase Flow ◽  
Transient Pressure ◽  
Two Phase

To protect a pressurized system from overpressure, one of the most established strategies is to install a Pressure Safety Valve (PSV). Therefore, the excess pressure of the system is relieved through a vent pipe when PSV opens. The vent pipe is also called “PSV Outlet Header”. After the process starts, a transient two-phase flow is formed inside the outlet header consisting of high speed pressurized gas interacting with existing static air. The high-speed jet compresses the static air towards the end tail of the pipe until it is discharged to the ambiance and eventually, the steady state is achieved. Here, this transient process is investigated both analytically and numerically using the method of characteristics. Riemann’s solvers and Godunov’s method are utilized to establish the solution. Propagation of shock waves and flow property alterations are clearly demonstrated throughout the simulations. The results show strong shock waves as well as high transient pressure take place inside the outlet header. This is particularly important since it indicates the significance of accounting for shock waves and transient pressure, in contrast to commonly accepted steady state calculations. More precisely, shock waves and transient pressure could lead to failure, if the pipe thickness is chosen only based on conventional steady state calculations.

scholarly journals Experimental study on the behavior of the two phase flow shock waves occurring in the ejector refrigeration cycle

2016 ◽  
Vol 3 (6) ◽  
pp. 16-00255-16-00255 ◽  
Author(s):  
Haruyuki NISHIJIMA ◽  
Kyohei TSUCHII ◽  
Masafumi NAKAGAWA
Keyword(s):  
Experimental Study ◽  
Shock Waves ◽  
Two Phase Flow ◽  
Refrigeration Cycle ◽  
Phase Flow ◽  
Two Phase
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