The Adaptive Composite Block-Structured Grid Calculation of the Gas-Dynamic Characteristics of an Aircraft Moving in a Gas Environment [PDF]
Mathematics, 2022 This paper considers the problem associated with the numerical simulation of the interaction between the cocurrent stream occurring near a monoblock moving in the gas medium and solid fuel combustion products flowing from a solid fuel rocket engine (SFRE)
Victor V. Kuzenov +2 more
doaj +3 more sources
THE METHOD OF GAS-DYNAMIC CALCULATION OF NITROGEN CRYOSURGICAL APPARATUS
Health and Ecology Issues, 2015 The article considers the typical scheme of a nitrogen cryosurgical apparatus and describes the apparatus units such as the container with liquid nitrogen, capillaries to supply liquid and discard vapor phase of nitrogen, cryoprobe and operational tips ...
Anwar Ali Vesam
semanticscholar +4 more sources
Gas dynamic calculation of detonation in variable cross-section ducts
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2019 Formulas of gas dynamic calculation of detonation parameters in variable cross-section ducts are presented and a design detonation diagram is given. The diagram shows the detonation characteristics of super-compressed detonation and under-compressed ...
A. V. Grigoriev +2 more
doaj +4 more sources
Gas dynamic calculation of detonation in constant-cross-section ducts
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2019 The paper presents a computational method with the use of gas-dynamic functions of parameters of detonation in a one-dimensional subsonic flow of ideal gas behind the shock wave propagating in chemically active air-and-fuel mixture in a uniform-cross ...
A. V. Grigoriev +2 more
doaj +4 more sources
Dynamic risk calculation model applied to gas compressor [PDF]
REM: International Engineering Journal, 2019 The present article proposes to apply a Risk-Based Maintenance methodology in a gas compression system. This risk calculation is based on a semi-quantitative mathematical model that uses the interdependence of process variables and predictive maintenance
Frederico Carlos Maciel Thom +3 more
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MATHEMATICAL MODELING AND CALCULATION OF GAS DYNAMIC CHARACTERISTICS OF FREE THERMAL AIR VORTEX
Известия высших учебных заведений: Нефть и газ, 2017 The article analyzes experimental and analytical studies of ascending swirling air flows. In experimental works such flows are considered from the point of view of the direction of twist, the thermal regimes of heating the underlying surface, the ...
D. D. Barannikova, A. G. Obukhov
doaj +4 more sources
Three dimensional gas-dynamic calculation of nozzle block of small flow-rate centripetal turbine
, 2019 The article describes the low-consumption turbines as reliable, productive, small-sized actuating mechanisms in various units and machines. Experience in production and use of low-cost turbine stages contributes to improving the efficiency along with ...
Алексей Анатольевич Крюков +1 more
semanticscholar +2 more sources
The Current State of the Engineering Method for the Optimal Gas-Dynamic Design and Calculation of Centrifugal Compressor [PDF]
Energies, 2020 In the practice of centrifugal compressor designing, different engineering techniques are widely used because flow motion differential equations cannot be integrated, and Computational fluid dynamics cannot resolve the problem as a whole.
Y. Galerkin +6 more
semanticscholar +2 more sources
Design of effective value calculation model for dynamic dataflow of infrared gas online monitoring
PLoS ONE, 2021 The development of “CC30A CH4-CO2 combined analyzer” with infrared gas sensor as the core detection device can be widely used in online gas component analysis.
Dong Xiao +5 more
doaj +3 more sources
Energy Reports, 2022 The power flow calculation is a significant basis for the optimized operation of integrated energy systems. For two-way coupled electricity–gas integrated energy systems, the dynamic characteristics of the slow time scale of the gas subsystem make the ...
Zhaoliang Cui +3 more
doaj +2 more sources