Abstract
Cavitating venturi is known as a robust mass flow control device in many applications. In liquid propellant engines the venturi provides a constant flow rate of propellant to the thrust chamber in spite of the engine pressure transient and oscillations. An experimental set-up is designed and built 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 performance 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.
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