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141.
V. M. Ushakov O. V. Matvienko 《Journal of Engineering Physics and Thermophysics》2002,75(5):1107-1112
A study is made of the process of ignition of reactive channel walls by a laminar flow of hot gases, including the stages of heating of a substance and of reacting in the surface layer with self-acceleration of the chemical reaction. The process is determined by the heat exchange between the gas and the wall, the strength of the heat source in the chemical-reaction zone, and the sink of heat due to conduction in the radial and axial directions. In the stage of self-heating, we can have heat sink not only deep into the wall and/or through its external boundary but into the gas flow as well. The problem has been solved in a conjugate formulation. The influence of the temperature, the velocity of the gas at the entrance to the channel, and the wall thickness on ignition characteristics has been studied. 相似文献
142.
Yu. K. Voron’ko L. N. Galaktionov L. N. Dmitruk O. B. Petrova A. V. Popov S. N. Ushakov Vl. E. Shukshin 《Glass Physics and Chemistry》2006,32(1):47-51
Raman light scattering and Nd3+ luminescence are investigated in glasses based on rare-earth borates with a high content of the rare-earth oxide and subjected to annealing. It is established that, during annealing, structural relaxation brings about the formation of phases with a structure similar to the structure of rare-earth orthoborates and oxoborates. This leads to considerable changes in the characteristics of Nd3+ luminescence. 相似文献
143.
G. L. Makovei Ya. V. Zel'tser I. N. Ivanova V. G. Ushakov V. K. Bagin 《Fibre Chemistry》1987,18(4):265-267
Conclusions The possibility of using the polarographic method to investigate the adsorption of nonionic surface-active substances by the surface of polyamide fibres has been demonstrated.The differing adsorptive ability of the investigated NSAA is caused by their structure, the strength of the adsorbent-adsorbate chemical bond, orientation, and the form and length of the molecular chain.The results obtained may be used in the development of textile auxiliaries which will have a high adsorptive ability.Translated from Khimicheskie Volokna, No. 4, pp. 19–20, July–August, 1986. 相似文献
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145.
V. S. Belokon' N. B. Bespalova V. M. Vdovin S. A. Vlasov V. N. Kalashnikov N. V. Ushakov 《Journal of Engineering Physics and Thermophysics》1979,36(1):1-3
The results of an investigation of the reduction of turbulent frictional resistance of hydrocarbon liquids by means of soluble high-molecular organosilicon polymers are given — polydimethyl silmethylene and polydimethylsiltrimethylene.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 36, No. 1, pp. 5–8, January, 1979. 相似文献
146.
V. M. Ushakov 《Russian Journal of Nondestructive Testing》2004,40(12):850-851
Sensitivity may decrease as the wedge of an angle probe is ground the surface of a pipe.Translated from Defektoskopiya, Vol. 40, No. 12, 2004, pp. 83–84.Original Russian Text Copyright © 2004 by Ushakov.This revised version was published online in April 2005 with a corrected cover date. 相似文献
147.
Heat losses have been calculated as occurring along the metal wall of the sensor, which increase the error in determining the flow rate. 相似文献
148.
149.
150.
A. I. Leipunskii F. M. Mitenkov V. V. Orlov D. S. Yurchenko V. I. Shiryaev V. M. Arkhipov Yu. E. Bagdasarov R. P. Baklushin S. M. Blagovolin K. T. Vasilenko Yu. I. Gribanov A. A. Demin A. G. Karabash A. V. Karpov G. V. Kiselev F. A. Kozlov L. A. Kochetkov I. A. Kuznetsov V. V. Pakhomov V. M. Poplavskii A. A. Rineiskii A. V. Ushakov 《Atomic Energy》1974,36(2):113-120