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31.
A. V. Reshetnikov N. A. Mazheiko V. P. Skripov V. N. Skokov V. P. Koverda 《High Temperature》2002,40(5):701-705
The results are given of an experimental investigation of the reactive recoil of jets of boiling up liquids in a thermodynamically highly nonequilibrium mode of efflux. The experimental data are given in the dimensionless form using the thermodynamic similarity methods. The correlation is discussed between the abrupt decrease in the reactive power with a complete disintegration of the jet under conditions of explosion boiling. Local measurements are performed of pressure pulsations in a jet of superheated liquid with different mechanisms of vaporization. It is found that, under conditions of explosion boiling, the power spectrum of pulsations depends inversely proportionally on frequency (1/f or flicker noise). This form of power spectrum implies the possibility of strong low-frequency pulsations of reactive recoil of boiling up flows. 相似文献
32.
A. V. Reshetnikov V. P. Skripov N. A. Mazheiko V. N. Skokov V. P. Koverda 《High Temperature》2002,40(3):443-446
Experimental studies are performed into the variation of the shape of a jet of boiling liquid flowing out of a high-pressure vessel under conditions of high superheating. The mechanisms of bulk heterogeneous and homogeneous nucleation are identified, and the correlation between these mechanisms and critical modes of outflow is determined. The photometry of transmitted laser radiation is used to investigate the dynamics of photocurrent fluctuations. It is found that, in the case of intensive bulk boiling in a jet of superheated liquid, the fluctuation power spectrum has a low-frequency component (flicker noise) diverging as 1/f. This effect is associated with nonequilibrium phase transitions proceeding in the system. 相似文献
33.
Technical Physics Letters - A system of two nonlinear differential equations proposed for explaining the physical nature of the 1/f spectra reveals the chaotization of trajectories under periodic... 相似文献
34.
Pastushenkov Yu. G. Skokov K. P. Zhukov A. I. 《Metal Science and Heat Treatment》2018,60(7-8):544-547
Metal Science and Heat Treatment - The possibilities of application of known models of domain structure to multiphase alloys are analyzed with the aim to assess the anisotropy constants and to... 相似文献
35.
Maccari F. Aubert A. Ener S. Bruder E. Radulov I. Skokov K. Gutfleisch O. 《Journal of Materials Science》2022,57(10):6056-6065
Journal of Materials Science - Mn–Al–C is intended to be one of the “gap magnets” with magnetic performance in-between ferrites and Nd-Fe-B. These magnets are based on the... 相似文献
36.
37.
V. P. Koverda A. V. Reshetnikov V. N. Skokov A. V. Vinogradov 《Technical Physics Letters》2004,30(11):944-946
The fluctuations of a response signal during acoustic cavitation in water in an ultrasonic field were studied by photometry of the transmitted laser radiation. In a broad range of frequencies, the spectral density of photocurrent fluctuations exhibits the 1/f behavior and their amplitude distribution function has a bimodal character. Coarsening of the scale of the experimental time series makes the bimodal character more pronounced and reveals the scale invariance of fluctuations. 相似文献
38.
Karikh V. P. Pevchenko B. V. Kurbatov A. V. Okhotnikov A. A. Skokov A. A. 《Russian Journal of Nondestructive Testing》2021,57(9):787-795
Russian Journal of Nondestructive Testing - The possibilities of using a 3D tomograph with a size-limited recording screen for detecting randomly oriented crack-like defects in large industrial... 相似文献
39.
Technical Physics Letters - Extreme fluctuations are simulated by a system of nonlinear stochastic equations describing the interacting phase transitions. Random 1/f α processes are... 相似文献
40.
V. I. Skokov ’E. ’E. Lin V. A. Medvedkin S. A. Novikov 《Combustion, Explosion, and Shock Waves》1998,34(3):346-347
The multistep shape of the pressure pulse in a device for dynamic compaction of ultradispersed diamonds was recorded experimentally.
A smooth increase in pressure to a maximum shows the shock-free character of compression of porous carbon.
Translated fromFizika Goreniya i Vzryva, Vol. 34, No. 3, pp. 105–106, May–June 1998. 相似文献