Last edited by Yolabar
Friday, July 24, 2020 | History

3 edition of Nonequilibrium Condensation in High-Speed Gas Flows found in the catalog.

Nonequilibrium Condensation in High-Speed Gas Flows

by Yu A. Ryzhov

  • 304 Want to read
  • 1 Currently reading

Published by Routledge .
Written in English

    Subjects:
  • Aerospace & aviation technology,
  • Engineering thermodynamics,
  • Mechanics of fluids,
  • Thermochemistry & chemical thermodynamics,
  • Technology & Industrial Arts,
  • Material Science,
  • Condensation,
  • Gas Dynamics

  • The Physical Object
    FormatHardcover
    Number of Pages352
    ID Numbers
    Open LibraryOL9005824M
    ISBN 102881246761
    ISBN 109782881246760

      The methodology is based on a model that postulates that the mechanism behind the heat transfer coefficient enhancement is the existence of thermodynamic nonequilibrium slug flow, i.e., a type of slug flow in which rapid bubble growth in subcooled boiling leads to the formation of Taylor bubbles separated by slugs of subcooled liquid. Investigation of Nonequilibrium Argon Condensation In Supersonic Jet By Mass-Spectrometry, Electron Diffraction and VUV Emission Spectroscopy Pages Verkhovtseva, E. T. (et al.).

      Effect of Nonequilibrium Condensation on the Oscillation of the Terminating Shock in a Transonic Airfoil Flow Transactions of the Korean Society of Mechanical Engineers B, Vol. 36, No. 1 Simulation of thermophysical flow in axisymmetric nozzle with expansion chamber. Some examples of such flows are: free jet flows with very high stagnation to ambient pressure ratio, a gas in the gravitational field of a planet where density varies exponentially with altitude, gas rotating inside a high speed spinning cylinder with enormous density change over a small radius, or shock waves, boundary and shear layers.

    Microscopic theory of condensation in gases and plasma "Advances in Mathematics for Applied Sciences".World Scientific. February pp One chapter example. 2. Itkin A.L. Investigation of nonequilibrium condensation in high--speed flows. Ph.D. Thesis. Moscow. Modeling Nonequilibrium Gas Flow Based on Moment Equations. nonlinear, high-speed processes require special closures that are still under development. Current approaches are examined, along with the challenge of computing shock wave profiles based on continuum equations. Condensation and subsequent coalescence of liquid drops in.


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Nonequilibrium Condensation in High-Speed Gas Flows by Yu A. Ryzhov Download PDF EPUB FB2

Title: Nonequilibrium condensation in high-speed gas flows Nonequilibrium condensation is an important aspect of weather forecasting, aerosol formation, and the design of jet propulsion engines, steam turbines and nuclear reactors. Nonequilibrium condensation in high-speed gas flows.

New York: Gordon and Breach Science Publishers, © (OCoLC) Document Type: Book: All Authors / Contributors: V N Gorbunov; Ulʹi︠a︡n Gaĭkovich Pirumov; I︠U︡ A Ryzhov. Nonequilibrium Condensation in High-Speed Gas Flows (Yuri A. Ryzhov, Ul’yan G. Pirumov, and Vladimir N.

Gorbunov; V. Khokhrayakov, trans.)Author: John R. Ockendon. flow generator composed of twist vanes drive the droplets towards the wall of the working section. Condensed liquid droplets are separated from main gas flow in the working section.

The remaining dry gas stream flows into the diffuser in which about 50%% of the initial pressure is recovered. The wet gas can be released or used for Nonequilibrium Condensation in High-Speed Gas Flows book by: 5. Abstract. This paper discusses questions of the homogeneous condensation of water vapors in high-velocity flows.

Special attention is paid to agreement between the results of calculations and experimental data in a wide range of temperatures and pressures in the condensation zone and of the gradients of the gasdynamic : L.

Davydov, U. Pirumov. This Special Issue aims at collecting original papers on theoretical, computational and experimental studies of non-equilibrium, low- and high-speed gas flows with the goal of providing readers with an overview of the current research conducted in this field and the possible applications.

Approximate scaling laws of homogeneous condensation in expanding supersonic gas flows U. Pirumov, and Yu. Ryzhov (Rijov), Nonequilibrium Condensation in High-Speed Gas Flows [in Russian], Mashinostroenie, Moscow (). Google Scholar; U.

Pirumov, “Determination of parameters in the nonequilibrium flow of gas with. A multi-fluid model for non-equilibrium condensation in gaseous carrier flows Article in Applied Thermal Engineering 65(s 1–2)–33 April with Reads How we measure 'reads'.

Ryzhov, Y.A., Pirumov, U.G. and Gorbunov, V.N. () Nonequilibrium condensation in high speed gas flows. Gordon & Breach, New York. The analysis of the equations obtained leads to rather unusual results.

It turns out that the condensation process on ions is extraordinary different from condensation. HYPERSONIC flow simulation facilities provide high-speed, high-enthalpy flow conditions to test aerospace vehicles, thrusters and engines.

The test gas is typically heated to avoid freestream condensation, to allow combustion tests in engines and/or to simulate high enthalpy “real-gas” effects such as dissociation. The test gas is. @article{osti_, title = {Boiling, condensation, and gas-liquid flow}, author = {Whalley, P B}, abstractNote = {Heat transfer phenomena involving boiling and condensation are an important aspect of engineering in the power and process industries.

This book, aimed at advanced first-degree and graduate students in mechanical and chemical engineering, deals with these phenomena in detail. A mathematical model for the supersonic condensation flow of methane gas was established based on the improved ICCT model, and the supersonic condensation process was experimentally verified.

Consider the simple case of a gas at rest as illustrated in Fig. At the macroscopic level, this is an uninteresting situation because all the gas properties, such as density (ρ), pressure (p), and temperature (T), are constants. However, at the molecular level, there is.

High temperature and thermal non-equilibrium effects on the determination of free-stream flow properties in hypersonic wind tunnels Physics of Flu ( Nonequilibrium gas.

The condensation flow predicted by the wet steam model shows that the non-equilibrium steam can acquire a high degree of supersaturation in the primary nozzle, which induces the explosive nucleation and condensation process.

The liquid fraction reaches % of the total mass for the present study. Transport and relaxation in gas flows: Authors: Brun, R.

Affiliation: AA(CNRS, Paris, France) vibrational nonequilibrium, and nonequilibrium gas flows. It is noted that the results obtained are of interest in connection with the aerodynamics and chemistry of high-speed flows, with particular application to the flight mechanics of aerospace.

Crucial nonlinear trends are captured in the nonequilibrium regions of high-speed flows, such as shock waves and the Knudsen layer. The location of an oblique shock around the flat plate is accurately captured and overall, the Knudsen layer incorporation has exhibited good agreement with the DSMC with deviations within 4% in the upstream region.

Supercritical CO 2 (S-CO 2) power cycles have demonstrated significant performance improvements in concentrated solar and nuclear cycles promise an increase in thermal-to-electric conversion efficiency of up to 50% over conventional gas turbines (Wright, S.,“Overview of S-CO 2 Power Cycles,” Mech.

Eng., (1), pp. 40–43), and have become a priority for. Time-marching method for the prediction of two-dimensional, unsteadyflows of condensing steam. Modeling of spontaneous condensation in high-speed expansion of gaseous mixture.

Numerical Investigation of Oscillating Flows with Nonequilibrium Condensation in Nozzles. Applied Gas Dynamics by E. Rathakrishnan covers all the fundamental concepts of gas dynamics and high-speed flows. This book has been very helpful as an effective text during the course on gas dynamics.

Also, I find this as a great reference for my research on high-speed jet. Indeed, this is the only book having a devoted chapter on Jets. The stability limit of stationary normal shock waves in supercritical nozzle flows with homogeneous condensation is investigated by the singularity theory of the quasi-one-dimensional steady-state differential equations of motion.

In this case it is shown that a catastrophic change in the phase portraits of the flow variables, where the spiral point turns into a nodal point, occurs when the.nonequilibrium conditions occurring in a nozzle-flow environment.

In the first such study the measurement of static pressure distributions along the nozzle wall was used to determine the departure from equilibrium due to freezing of atomic concentrations in gas flows .Title: Nonequilibrium homogeneous condensation of gases in high-velocity flows: Authors: Davydov, L.

M.; Pirumov, U. G. Publication: Akademiia Nauk SSSR, Izvestiia.