Amplification of the shock wave in a two-phase mixture of superheated STEAM and triethylaluminum

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Abstract

The possibility of shock wave amplification in a two-phase mixture of superheated steam and liquid triethylaluminum (TEA, Al(C2H5)3) has been experimentally demonstrated for the first time. Fine synchronization of TEA injection of TEA into a flow of superheated steam with the arrival of an attenuating shock wave is shown to ensure the self-sustaining propagation of the shock wave in the two-phase medium at a speed of about 1500 m/s.

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S. M. Frolov

N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Author for correspondence.
Email: smfrol@chph.ras.ru
Russian Federation, Moscow

I. O. Shamshin

N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Email: smfrol@chph.ras.ru
Russian Federation, Moscow

K. A. Byrdin

N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Email: smfrol@chph.ras.ru
Russian Federation, Moscow

K. A. Avdeev

N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Email: kaavdeev@mail.ru
Russian Federation, Moscow

V. S. Aksenov

N.N. Semenov Federal Research Center for Chemical Physics of the Russian Academy of Sciences

Email: smfrol@chph.ras.ru
Russian Federation, Moscow

P. A. Storozhenko

State Research Center “State Scientific Research Institute of Chemistry and Technology of Organo-Element Compounds”

Email: smfrol@chph.ras.ru

Academician of the RAS

Russian Federation, Moscow

Sh. L. Guseinov

State Research Center “State Scientific Research Institute of Chemistry and Technology of Organo-Element Compounds”

Email: smfrol@chph.ras.ru
Russian Federation, Moscow

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2. Fig. 1. Scheme of the experimental setup.

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3. Fig. 2. Measured dependences of the shock wave velocity on the distance traveled in experiments with identical initial conditions. Working medium – water vapor (T = 415 ± 5 K). Working fluid – TEA, kerosene TS-1, n-dodecane, water. Shock wave arrival delay from 5 to 9 ms.

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4. Fig. 3. Measured dependences of the shock wave velocity on the distance traveled in experiments with identical initial conditions. The working medium is water vapor (T = 415 ± 5 K). In four experiments, the working fluid is TEA (symbols with fill). The delay in the arrival of the shock wave is 10 ms. In seven experiments (symbols without fill), the shock wave propagates through superheated water vapor without injection of the working fluid.

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5. Fig. 4. Measured dependences of the shock wave velocity on the distance traveled in experiments with the same initial conditions. Working medium – water vapor (T = 415 ± 5 K). Working fluid – TEA or H2O. Shock wave arrival delay 22 and 48 ms.

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