Description: In this Element, the gas-particle flow problem is formulated with momentum and thermal slip that introduces two relaxation times. Starting from acoustical propagation in a medium in equilibrium, the relaxation-wave equation in airfoil coordinates is derived though a Galilean transformation for uniform flow. Steady planar small perturbation supersonic flow is studied in detail according to Whitham's higher-order waves. The signals owing to wall boundary conditions are damped along the frozen-Mach wave, and are both damped and diffusive along an effective-intermediate Mach wave and diffusive along the equilibrium Mach wave where the bulk of the disturbance propagates. The surface pressure coefficient is obtained exactly for small-disturbance theory, but it is considerably simplified for the small particle-to-gas mass loading approximation, equivalent to a simple-wave approximation. Other relaxation-wave problems are discussed. Martian dust-storm properties in terms of gas-particle flow parameters are estimated.
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EAN: 9781108964883
UPC: 9781108964883
ISBN: 9781108964883
MPN: N/A
Book Title: Mach Wave and Acoustical Wave Structure in Nonequi
Item Height: 0.4 cm
Item Length: 22.9 cm
Item Width: 15.2 cm
Publisher: Cambridge University Press
Publication Year: 2021
Subject: Engineering & Technology
Number of Pages: 75 Pages
Language: English
Publication Name: Mach Wave and Acoustical Wave Structure in Nonequilibrium Gas-Particle Flows
Item Weight: 118 g
Type: Textbook
Author: Joseph T. C. Liu
Format: Paperback
