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TVT, 2006, Volume 44, Issue 4, Pages 494–502 (Mi tvt1378)  

This article is cited in 1 scientific paper (total in 1 paper)

Plasma Investigations

Experimental and numerical investigations of plasma of products of combustion of pyrotechnic fuel in air

Yu. G. Degtev, R. V. Dogadaev, A. A. Ivanenko, V. P. Panchenko, A. A. Yakushev

Troitsk Institute for Innovation and Fusion Research

Abstract: Results are given of experimental and numerical investigations of plasma of products of combustion of pyrotechnic fuel [$(64-69%)\mathrm{Mg}+(35-30%)\mathrm{KNO}_3+1%$ process additions] in air for the oxidizer excess coefficient $\alpha$ in the range from $0.8$ to $1.1$ and for different conditions in the combustor and MHD channel. The choice of the optimal formula of pyrotechnic fuel for use in experiments is analyzed and validated. The structural scheme and description are given of the Pamir-0-KT experimental facility. The operating time of the MHD facility was $3.6$ s, with the flow rate of combustion products of about $2$ kg/s at a pressure in the plasma generator of $p_{ch}\approx4$ MPa. The maximal value of the MHD-channel cross-section average plasma conductivity of $23$ S/m at an electron mobility of $0.45\mathrm{T}^{-1}$ is obtained for the composition of pyrotechnic fuel of $64%\mathrm{Mg}+35%\mathrm{KNO}_3$ at $\alpha=96$, pressure of $0.08$ MPa, temperature of $2700$ K, and flow velocity of $1900$ m/s. It is demonstrated numerically that the value of conductivity $\sigma_0$ in the flow core is at least $50$ S/m. The dependences of electrode voltage drops on current density are determined. The possibility is demonstrated of non-contracted flow of current to the surface of "cold" ($800$ K) electrode at average current densities up to $3\times10^4$ /$^2$ and $\alpha\approx0.9$.

Full text: PDF file (2240 kB)

English version:
High Temperature, 2006, 44:4, 487–496

UDC: 533.932+621.362.662.61.25
PACS: 52.75.Fk
Received: 01.06.2005

Citation: Yu. G. Degtev, R. V. Dogadaev, A. A. Ivanenko, V. P. Panchenko, A. A. Yakushev, “Experimental and numerical investigations of plasma of products of combustion of pyrotechnic fuel in air”, TVT, 44:4 (2006), 494–502; High Temperature, 44:4 (2006), 487–496

Citation in format AMSBIB
\Bibitem{DegDogIva06}
\by Yu.~G.~Degtev, R.~V.~Dogadaev, A.~A.~Ivanenko, V.~P.~Panchenko, A.~A.~Yakushev
\paper Experimental and numerical investigations of plasma of products of combustion of pyrotechnic fuel in air
\jour TVT
\yr 2006
\vol 44
\issue 4
\pages 494--502
\mathnet{http://mi.mathnet.ru/tvt1378}
\elib{http://elibrary.ru/item.asp?id=9293904}
\transl
\jour High Temperature
\yr 2006
\vol 44
\issue 4
\pages 487--496
\crossref{https://doi.org/10.1007/s10740-006-0061-8}
\elib{http://elibrary.ru/item.asp?id=13504878}
\scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-33748529362}


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