Abstract
Consider the principle of an ejector [1]. In the simplest case, coaxial jets are confined to a duct rather than to a constant pressure atmosphere. For this flow field, the mass flow rate averaged mean axial momentum is not conserved and the static pressure may vary with downstream location. There will be an increase of pressure with increasing downstream position as the jet cores are being consumed by rapid shear layer mixing. In fact, the pressure may also continue to rise in the developing flow zone downstream of the disappearance of the cores. This pressure rise can be considered the source of the pumping effect of the ejector.
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© 1983 Springer-Verlag Berlin Heidelberg
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Catalano, G.D., Wright, H.E., Walterick, R.E. (1983). Turbulence Measurements in an Ejector Wing Flow Field. In: Schulz-DuBois, E.O. (eds) Photon Correlation Techniques in Fluid Mechanics. Springer Series in Optical Sciences, vol 38. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39493-8_7
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DOI: https://doi.org/10.1007/978-3-540-39493-8_7
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