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Choked flow is a compressible flow effect where the fluid velocity reaches the speed of sound at a constriction. Learn how to calculate the critical pressure ratio and the mass flow rate of a gas at choked conditions using dimensionless equations and constants.
7 wrz 2010 · Critical flow is the maximum mass flow rate as a function of downstream pressure in a system with phase change. Learn the definition, models, and trends of critical flow, and the role of critical pressure ratio and sonic velocity.
Learn how to calculate the critical pressure ratio and the mass flow rate of a gas through a nozzle with sonic flow. Find the formula, the index of isentropic expansion, and the values for common gases.
The critical pressure ratio is the specific ratio of the downstream pressure to the upstream pressure in a flow process, particularly through nozzles and diffusers, that determines whether the flow is choked.
This report describes the experimental measurement of properties of compressible gas flow under sonic and subsonic conditions. The critical pressure ratio for choked flow through a nozzle was determined by observing the point at which the mass flow rate changed.
Learn about nozzle shapes, expansion, velocity, mass flow and pressure ratio for ideal gases and steam. Find equations, diagrams, problems and references for nozzle theory and applications.
The critical pressure ratio is the specific ratio of the downstream pressure to the upstream pressure at which the flow of a compressible fluid transitions from subsonic to supersonic.
