Theoretical analysis of the heated jet pump and design of a test facility/
Abstract
The jet pump is a device that compresses low-pressure fluid by means of a high energy jet. This device is simple, reliable and light weight, and is attractive for various uses including eventual application to boundary layer control for aircraft. In this study the theoretical flow of a perfect gas through constant pressure and constant area jet pumps is predicted by analyzing the equations of continuity, energy and momentum. Of particular interest is the effect of heating the high energy jet. The parameters describing optimum heated jet pumps are determined. The ideal pumps presented herein represent upper performance limits for actual devices. Also included is a complete description and design of a facility for testing heated jet pumps. Specific test configurations are analyzed, and performance curves are illustrated. These curves facilitate comparison between theory and experiment.
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