ESDU 93022 introduces a Fortran program (ESDUpac A9322) for ejectors in which the primary and secondary flows are of non-reacting miscible liquids. Inlet conditions for both primary and secondary flows can be either constant pressure or provided by a pump. In the latter case it is assumed that the head can be expressed as a quadratic in pump speed and flow rate. Two procedures are provided: a Design Procedure and Performance Prediction. For the first the input is a selection of entry and required exit pressures and flow rates@ together with estimates of loss coefficients in the primary and secondary nozzles@ mixing duct and diffuser. The program will optimise the ejector@ calculating the primary nozzle@ secondary inlet and ejector exit dimensions. For the second case@ the ejector dimensions are input together with the loss factors again and a range of entry flow conditions and the program will calculate flow conditions throughout the ejector and at exit. The equations on which the program is based are fully specified@ the input format required is set out in clear tables@ and two worked examples illustrate the use of both procedures. The program is provided in a complied form as ESDUpac A9322 and is incorporated into VIEWpac 9322A.
ESDU 93022 B-2008 history
2011ESDU 93022 B-2011 Ejectors and jet pumps: computer program for design and performance for liquid flow
2008ESDU 93022 B-2008 Ejectors and jet pumps: computer program for design and performance for liquid flow.