ISBN: 9781108964883 - mach wave and acoustical wave structure in nonequilibrium gas-particle flows (cambridge elements in aerospace engineering) (4 Ergebnisse)

Zustand: New. In English.

Zustand: New. 2021. Paperback. . . . . . Books ship from the US and Ireland.

Zustand: New. Gas-particle flows became relevant in Aerospace Engineering owing to small solid particle additives to alleviate acoustical instabilities in solid propellant rocket motors, thereby motivating the study of a variety of nonlinear and linear waves. Emphasis is.

Taschenbuch. Zustand: Neu. Neuware - 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.…