Development generation and application of body-centered electric discharge concepts for ignition and flame holding of the fuel combustion in supersonic flows

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Abstract

It is suggested the concepts of the longitudinal electric not binding to walls of a camera discharge creation in the supersonic flows and its application for ignition and flame holding of the fuel combustion.

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About the authors

S. L. Chernyshev

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: sergey.inshakov@tsagi.ru

Academician of the RAS

Russian Federation, Zhukovsky, Moscow Region

V. V. Ivanov

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: sergey.inshakov@tsagi.ru
Russian Federation, Zhukovsky, Moscow Region

S. I. Inshakov

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky; Moscow Aviation Institute (National Research University)

Author for correspondence.
Email: sergey.inshakov@tsagi.ru
Russian Federation, Zhukovsky, Moscow Region; Moscow

V. V. Skvortsov

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: vlaskvortsov@rambler.ru
Russian Federation, Zhukovsky, Moscow Region

V. A. Talyzin

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: sergey.inshakov@tsagi.ru
Russian Federation, Zhukovsky, Moscow Region

A. A. Uspensky

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: sergey.inshakov@tsagi.ru
Russian Federation, Zhukovsky, Moscow Region

V. A. Shakhatov

Central Aerohydrodynamic Institute named after Prof. N.E. Zukovsky

Email: sergey.inshakov@tsagi.ru
Russian Federation, Zhukovsky, Moscow Region

References

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  3. Gallimore S.D., Jacobson L.S., O’Brien W.F. Schetz J.A. Operational sensitivities of an scramjet ignition/fuel – injection system // J. Propulsion and Power. 2003. V. 19. № 2 P. 183–189. https://doi.org/10.2514/2.6116
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  5. Esakov I., Grachev L., Khodataev K., WanWie D.M. Investigation of under-critical microwave streamer discharge for jet engine fuel ignition // AIAA Paper 2001–2939. 9 p. https://doi.org/10.2514/6.2001-2939
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  8. Firsov A.A. Experimental investigation of flameholding in scramjet combustor by pylon with plasma actuator based on Q-DC discharge // Aerospace. 2023. V. 10. № 3. P. 204. https://doi.org/10.3390/aerospace10030204
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  13. Алаторцев В.К., Иншаков С.И., Иншаков И.С., Рожков А.Ф., Скворцов В.В., Урусов А.Ю., Успенский А.А. Исследование объемно-центрированного разряда в сверхзвуковом потоке воздуха при дополнительной инжекции пропана и кислорода // Ученые записки ЦАГИ. 2017. Т. 43. № 6. С. 41–52. https://doi.org/10.1615/tsagiscij.2018025534
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Supplementary files

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2. Fig. 1. Concepts of developed electric discharge modules.

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3. Fig. 2. Photographs of discharges created using modules, the circuits of which are shown in Fig. 1a and Fig. 1b, respectively.

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4. Fig. 3. Distribution of the velocity pressure in the gap between the lower edge of the anode and the wall: 1 - L = 85 mm, p = 5.33×104 Pa; 2 - L = 42 mm, p = 3.92×104 Pa; 3 - L = 42 mm, p = 5.04×104 Pa.

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5. Fig. 4. Distributions of rotational temperature along the height of the discharge gap, obtained at a number of distances from the anode cut for ethylene (a) and propane (b) at a discharge current of 1.5 A and a horizontal anode section length of 42 mm.

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6. Fig. 5. Distribution of static pressure along the length of the channel before (1) and after (2) ignition of the fuel-air mixture by an electric discharge during the injection of hydrogen and oxygen into the discharge area.

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