Experimental Performance Evaluation of a Cavitating Venturi A. Abedini E. · A. Ashrafizade · H. Karimi M. · M. Madandar A.

Cavitating venturi is known as a robust massflow control device in many applications. In liquid propellant enginestheventuriprovidesaconstantflowrateofpropellant to the thrust chamber in spite of the engine pressure transient andoscillations.Anexperimentalset-upisdesignedandbuilt to study the performance of a manufactured venturi and to also observe the flow phenomena in the device. The set-up has new features, as compared with the similar test facilities, and hence provides more information regarding the perfor- mance of the cavitating venturi. Experimental results agree well with the available data and the venturi maintains the prescribed mass flow rate in a range of working conditions as expected.