Open AccessA New Diffuser Mapping Technique
Author(s) -
David Japikse
Publication year - 1984
Publication title -
volume 1: turbomachinery
Language(s) - English
Resource type - Conference proceedings
DOI - 10.1115/84-gt-237
Subject(s) - diffuser (optics) , turbomachinery , work (physics) , computer science , mathematics , algorithm , control engineering , engineering , mechanical engineering , physics , optics , light source
A rigorous derivation of the K = Cpi − Cp diffuser recovery and loss equation is presented and the critical assumptions to yield this simplified relationship are critiqued. Confirmation of the equation is achieved using precise laboratory data and a new diffuser loss-map is presented which facilitates engineering diffuser design work, even when a Kline-map is unavailable. Numerous application examples for turbomachinery analysis are given.
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