Zobrazeno 1 - 10 of 43 pro vyhledávání: '"V.B. Sapozhnikov"'
1
Prospects of introducing combined porous mesh materials in the in-tank device structures of the spacecraft and upper stage propulsion systems
Autor: A.V. Korolkov, A.R. Polyanskiy, V.B. Sapozhnikov
Publikováno v: Engineering Journal: Science and Innovation.
The paper presents theoretical and experimental substantiation of the prospects to use materials of the new type, i.e. the combined porous-mesh materials (CPMM), in the in-tank devices (ITD) structures of spacecraft propulsion systems and upper stage
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84e183135277dcd5e8e64f90d33eabb2
https://doi.org/10.18698/2308-6033-2023-3-2260
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2
Calculation of boost gas parameters at filling the dead-end zones in pneumohydraulic system feed lines of the liquid-propellant rocket engines
Autor: N.V. Diesperov, A.R. Polyanskiy, V.B. Sapozhnikov
Publikováno v: Engineering Journal: Science and Innovation.
The paper proposes a mathematical model to estimate boost gas parameters at filling the feeding lines dead-end zones of the pneumohydraulic systems (PHS) of the liquid-propellant rocket engines (LRE). These calculations are required in preliminary as
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66fefcbbfe003075b280c8bd6508560e
https://doi.org/10.18698/2308-6033-2023-1-2245
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4
Using Gradient Heat Flux Measurement to Experimentally Determine Local Heat Transfer Coefficient on Combustion Chamber Surface in a Diesel Engine
Autor: V. Yu. Mityakov, A. V. Vintsarevich, V.B. Sapozhnikov, Andrey V. Mityakov, D. V. Gerasimov
Publikováno v: Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering. :87-96
We used gradient thermometry to determine local heat transfer coefficients on the fire deck surface. We studied two modes of engine operation, that is, motored and fired. We show that the heat transfer coefficient distribution over the fire deck surf
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c95e234ff95964d970bf13982a2dad0f
https://doi.org/10.18698/0236-3941-2019-4-87-96
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5
Mathematical Simulation of Using a Combination of Mesh and Porous Materials as a Phase Separator
Autor: V.B. Sapozhnikov, N.I. Avraamov, A.V. Korolkov, V.A. Maslov
Publikováno v: Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering. :4-16
A combination of mesh and porous materials featuring bulk capillary properties is used as a phase separator in in-tank capillary inlet devices. These bulk capillary properties ensure a non-zero fluid flow into the interior of the in-tank inlet device
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1646cb845fe1436a4e6ab343ea8804f8
https://doi.org/10.18698/0236-3941-2019-3-4-16
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6
Calculation of minimum supply of fuel in contact with the innertank device to ensure the operation of a liquid-propellant rocket engine in zero gravity
Autor: V.B. Sapozhnikov, A.R. Polyanskiy, A.V. Korolkov
Publikováno v: Engineering Journal: Science and Innovation.
The paper introduces the results of theoretical studies of the process of liquid fuel deposition in liquid-propellant rocket engine tanks under conditions of free (undisturbed) orbital (suborbital) flight under the influence of a small pre-launch ove
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0210708f642481f90b6e997760e6709
https://doi.org/10.18698/2308-6033-2021-3-2063
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7
Experimental estimation of residual propellant in the fuel tanks with innertank capillary devices for spacecraft propulsion systems
Autor: L.G. Alexandrov, A.R. Polyanskiy, V.B. Sapozhnikov, S.B. Konstantinov, A.V. Korolkov
Publikováno v: Engineering Journal: Science and Innovation.
The paper presents the results of experimental studies of the processes of emptying the fuel tanks of spacecraft liquid rocket propulsion systems at the final stages of free (undisturbed) flight in tanks with innertank capillary devices (IT CD). On t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e193702d728e0b87ad1a16aef6bb14de
https://doi.org/10.18698/2308-6033-2019-12-1941
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8
Experimental evaluation of rational parameters of pre-acceleration to ensure liquid sustainer engine launch in zero gravity
Autor: A.V. Korolkov, V.B. Sapozhnikov, A.R. Polyanskiy
Publikováno v: Engineering Journal: Science and Innovation.
The paper presents the results of experimental studies of liquid fuel deposition processes in liquid rocket propulsion system tanks under the conditions of free, i.e. unperturbed, orbital and suborbital flight under the influence of small prestart G-
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a861e7a1f4f5dec1b6340f82e9fab419
https://doi.org/10.18698/2308-6033-2019-9-1916
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9
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10
Evolution of interface upon interdiffusion
Autor: V.B. Sapozhnikov, M.G. Goldiner
Publikováno v: Physics Letters A. 162:59-62
Evolution of the interface upon interdiffusion on a 2D lattice is investigated by computer simulation. It is found that the interface passes sequentially through three regions with different kinetics. The interface is a self-affine fractal exhibiting
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::353ad43d6beb729fef99fdd997ad2eae
https://doi.org/10.1016/0375-9601(92)90961-k
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