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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2019, Volume 60, Issue 6, Pages 17–24
DOI: https://doi.org/10.15372/PMTF20190602 (Mi pmtf368) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Effects of the Helmholtz resonator on the Hartmann whistle operating at a high nozzle pressure ratio

Y.-S. Jonga, Ch.-J. Kimb, Ch.-Y. Yuna

a Kim Chaek University of Technology, Pyongyang, Democratic People’s Republic of Korea
b Kim II Sung University, Pyongyang, Democratic People’s Republic of Korea
Full-text PDF (812 kB) Citations (1)
DOI: https://doi.org/10.15372/PMTF20190602
Abstract: A numerical simulation is carried out to investigate the effect of the Helmholtz resonator capacity on the Hartmann whistle operating at high values of the nozzle pressure ratio using the turbulence model. The results of the present numerical simulations are compared to experimental data. The simulation results show that the frequency and amplitude of the Hartmann whistle with the Helmholtz resonator are obviously lower as compared to the conventional Hartmann whistle. Moreover, the Mach number contours and streamlines indicate that the Helmholtz resonator does not affect the shock-cell structure between the nozzle and the cavity, and the Hartmann whistle with the Helmholtz resonator has a jet regurgitant mode that is different from the Hartmann whistle with a straight resonator. The diameter of the Helmholtz resonator is an important factor affecting the fundamental frequency.
Keywords: Hartmann whistle, low frequency, numerical simulation, Helmholtz resonator.
Received: 24.04.2019
Revised: 27.05.2019
Accepted: 27.05.2019
English version:
Journal of Applied Mechanics and Technical Physics, 2019, Volume 60, Issue 6, Pages 989–995
DOI: https://doi.org/10.1134/S0021894419060026
Bibliographic databases:
Document Type: Article
UDC: 534.8
Language: Russian
Citation: Y.-S. Jong, Ch.-J. Kim, Ch.-Y. Yun, “Effects of the Helmholtz resonator on the Hartmann whistle operating at a high nozzle pressure ratio”, Prikl. Mekh. Tekh. Fiz., 60:6 (2019), 17–24; J. Appl. Mech. Tech. Phys., 60:6 (2019), 989–995
Citation in format AMSBIB
\Bibitem{JonKimYun19}
\by Y.-S.~Jong, Ch.-J.~Kim, Ch.-Y.~Yun
\paper Effects of the Helmholtz resonator on the Hartmann whistle operating at a high nozzle pressure ratio
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2019
\vol 60
\issue 6
\pages 17--24
\mathnet{http://mi.mathnet.ru/pmtf368}
\crossref{https://doi.org/10.15372/PMTF20190602}
\elib{https://elibrary.ru/item.asp?id=41444459}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2019
\vol 60
\issue 6
\pages 989--995
\crossref{https://doi.org/10.1134/S0021894419060026}
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  • https://www.mathnet.ru/eng/pmtf/v60/i6/p17
    • This publication is cited in the following 1 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Prikladnaya Mekhanika i Tekhnicheskaya Fizika Prikladnaya Mekhanika i Tekhnicheskaya Fizika
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