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1.
V. L. Bychkov L. P. Grachev I. I. Esakov A. A. Ravaev K. V. Khodataev 《Technical Physics》2004,49(7):833-838
A longitudinal dc electric discharge in a submerged high-pressure supersonic air jet is described. Photographs of the discharge
are provided. The experimental voltage across the discharge gap and the discharge current are given for two resistances of
the resistor that limits the discharge current over a certain range of the discharge channel length along the air flow. The
current-voltage discharge characteristic is provided at a constant discharge length. The main discharge characteristics are
obtained from a comparison of the experimental and theoretical results calculated on the basis of the simplest model. 相似文献
2.
K. V. Aleksandrov L. P. Grachev I. I. Esakov A. A. Ravaev L. G. Severinov 《Technical Physics》2017,62(5):716-719
Experiments on initiating electrical air discharge in an airtight radiotransparent volume have been described. The discharge is initiated by a quasi-optical linearly polarized microwave beam with a deeply subcritical field by means of an electromagnetic vibrator mounted above a screen. The results make it possible to calculate the effective area of energy interaction between the plasma of the discharge and its initiating microwave field. It has been shown that this area considerably exceeds the cross-sectional area of the discharge. 相似文献
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K. V. Aleksandrov A. A. Volkov L. P. Grachev I. I. Esakov L. G. Severinov 《Technical Physics》2011,56(3):351-355
The subject of investigation is the resonance properties of cylindrical electromagnetic vibrators with different diameters
and spherically rounded ends acting as initiators of air breakdown in the subcritical field of a quasi-optical microwave beam.
The vibrator is placed both in the field of a traveling electromagnetic wave and at the antinode of the field above a screen
inserted in the microwave beam. The shortening of the half-wave vibrator that governs its ability to initiate air breakdown,
the field at the top-pole of this vibrator, and a tolerance on its resonance length are found from experimental data. 相似文献
5.
V. S. Gorelik A. A. Esakov A. N. Morozov P. P. Sverbil’ S. D. Tyves 《Journal of Russian Laser Research》2008,29(1):71-89
We developed a method for detecting traces of foreign components in water and analyzing the microstructure of water. The method
is based on studies of the characteristics of secondary emission arising in aqueous media under excitation by radiation of
ultraviolet lasers and light emitting diodes. A new type of cuvette (capillary cuvettes) for studying the secondary emission
in molecular media was elaborated. The cuvettes enable the study of aqueous solutions at small concentrations of the components;
they enable one to recognize the type of molecular compound present in aqueous media, in view of the photoluminescence spectra. 相似文献
6.
The electrical breakdown of air (under a pressure from several tens of Torr to several hundreds of Torr) is initiated in a linearly polarized quasi-optical microwave beam using a rounded-end cylindrical metallic electromagnetic vibrator placed parallel to the electric component of the microwave field. The vibrator is much shorter than the wavelength of the field. The field strength at the top of the vibrator as a function of its length is determined. An empiric expression relating the field strength at the top with the vibrator length-to-diameter ratio is found for the vibrator length range studied. The practicability of locally measuring the field in a quasioptical microwave beam is substantiated. The idea is to determine the maximal air pressure at which electrical breakdown of air initiated by a short vibrator placed at a given point of the beam takes place. 相似文献
7.
Bulat P. V. Volkov K. N. Grachev L. P. Esakov I. I. Lavrov P. B. 《Technical Physics》2021,66(11):1177-1185
Technical Physics - The development of efficient and reliable ignition systems for fuel mixtures is of interest for many practical applications associated with the use of combustion power plants.... 相似文献
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Bulat P. V. Grachev L. P. Esakov I. I. Ravaev A. A. Severinov L. G. 《Technical Physics》2019,64(10):1446-1451
Technical Physics - The results of experimental studies of combustion of propane–air gaseous mixture when it was ignited by a microwave discharge have been described. The mixture with... 相似文献