Email this article Calculation of shock wave propagation in water containing reactive gas bubbles
- Authors: Avdeev K.A.1,2, Aksenov V.S.1,2,3, Borisov A.A.1,2, Sevastopoleva D.G.2,3, Tukhvatullina R.R.1, Frolov S.M.1,2,3, Frolov F.S.1,2, Shamshin I.O.1,2,3, Basara B.4, Edelbauer W.4, Pachler K.4
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Affiliations:
- Semenov Institute of Chemical Physics
- Center of Pulse Detonation Combustion
- National Research Nuclear University MEPhI
- AVL List GmbH
- Issue: Vol 11, No 2 (2017)
- Pages: 261-271
- Section: Combustion, Explosion, and Shock Waves
- URL: https://journal-vniispk.ru/1990-7931/article/view/199093
- DOI: https://doi.org/10.1134/S1990793117020142
- ID: 199093
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Abstract
The entry of a shock wave from air into water containing reactive gas (stoichiometric acetylene–oxygen mixture) bubbles uniformly distributed over the volume of the liquid has been numerically investigated using equations describing two-phase compressible viscous reactive flow. It has been demonstrated that a steady-state supersonic self-sustaining reaction front with rapid and complete fuel burnout in the leading shock wave can propagate in this bubbly medium. This reaction front can be treated as a detonation-like front or “bubble detonation.” The calculated and measured velocities of the bubble detonation wave have been compared at initial gas volume fraction of 2 to 6%. The observed and calculated data are in satisfactory qualitative and quantitative agreement. The structure of the bubble detonation wave has been numerically studied. In this wave, the gas volume fraction behind the leading front is approximately 3–4 times higher than in the pressure wave that propagates in water with air bubbles when the other initial conditions are the same. The bubble detonation wave can form after the penetration of the shock wave to a small depth (~300 mm) into the column of the bubbly medium. The model suggested here can be used to find optimum conditions for maximizing the efficiency of momentum transfer from the pressure wave to the bubbly medium in promising hydrojet pulse detonation engines.
About the authors
K. A. Avdeev
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991
V. S. Aksenov
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion; National Research Nuclear University MEPhI
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991; Moscow, 115409
A. A. Borisov
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991
D. G. Sevastopoleva
Center of Pulse Detonation Combustion; National Research Nuclear University MEPhI
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 115409
R. R. Tukhvatullina
Semenov Institute of Chemical Physics
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991
S. M. Frolov
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion; National Research Nuclear University MEPhI
Author for correspondence.
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991; Moscow, 115409
F. S. Frolov
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991
I. O. Shamshin
Semenov Institute of Chemical Physics; Center of Pulse Detonation Combustion; National Research Nuclear University MEPhI
Email: smfrol@chph.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991; Moscow, 115409
B. Basara
AVL List GmbH
Email: smfrol@chph.ras.ru
Austria, Graz, 8020
W. Edelbauer
AVL List GmbH
Email: smfrol@chph.ras.ru
Austria, Graz, 8020
K. Pachler
AVL List GmbH
Email: smfrol@chph.ras.ru
Austria, Graz, 8020
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