Measurement and computational fluid dynamics prediction of diffuser pressure-loss coefficient

Guohui Gan and Saffa B. Riffat

Applied Energy, 1996, vol. 54, issue 2, 195 pages

Abstract: This paper presents measurements and predictions of the pressure-loss coefficient for a wide-angle, three-dimensional diffuser with free discharge. The constant tracer-gas method was used for measuring duct mean velocity, and static pressure tappings for pressure change across the diffuser. The effect on the loss coefficient of a bend preceding the diffuser was investigated for various spacer lengths. Computational fluid dynamics predictions were carried out to study flow stabilities in diffusers of different divergence angles.

Date: 1996
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