ESDU 93022 A-2007
喷射器和喷射泵：用于液体流动设计和性能的计算机程序

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适用范围: 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 on disc (uncompiled) in the software volume@ and compiled within ESDUview@ a user-friendly shell running under MS-DOS that prompts on screen for input data.

ESDU 93022 A-2007喷射器和喷射泵：用于液体流动设计和性能的计算机程序