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Heat Transfer of Gas-particle Flow in a Supersonic Convergent-divergent Nozzle by A. R. Wazzan; L. B. Robinson; H. G. Diem is a Engineering article available to read on EtoBox.

What is Heat Transfer of Gas-particle Flow in a Supersonic Convergent-divergent Nozzle about?

H e a t flux, wall heat transfer coefficients, and wall pressures are determined for high velocity flow of gas-solid mixtures in a converging-diverging nozzle. Flow separation accompanied with oblique shock formation occurs in the diverging section of the nozzle. The shock strength is reduced upon the addition of solid particles. The wall pressure in the convergent section of the nozzle appears unaffected by the presence of solid particles. I n the divergent section, however, the wall pressure is slightly lowered. A t the m a x i m u m ratio of solid to air flow used in the experiments (3.7) increases in the heat transfer rate of up to 20 and 50 percent are obtained in the convergent and separated (divergent) regions of the nozzle, respectively. Slightly larger increases in the wall heat transfer coefficients are also obtained. I t is concluded t h a t the wall heat flux and heat transfer coefficients are influenced strongly b y the presence of disturbances upstream of the nozzle inlet. Nomenclature W8 air flow rate Ws solids flow rate x axial distance from nozzle entrance L axial length of nozzle specific heat ratio of fluid A e exit cross section of flow A , throat cross section

Who reads Heat Transfer of Gas-particle Flow in a Supersonic Convergent-divergent Nozzle?

Author

A. R. Wazzan; L. B. Robinson; H. G. Diem

Publisher

Springer; Springer-Verlag; Kluwer Academic Publishers; Springer Science and Business Media LLC (ISSN 0003-6994)

Published

1968

Language

EN

Field

Engineering (Physical Sciences)