Marble, Frank E. and Ritter, William K. and Miller, Mahlon A. (1945) Effect of NACA Injection Impeller on Mixture Distribution of Double-Row Radial Aircraft Engine. National Advisory Committee on Aeronautics , Washington, DC. http://resolver.caltech.edu/CaltechAUTHORS:20140805-132115205
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Abstract
The NACA injection impeller was developed to improve the mixture distribution of aircraft engines by discharging the fuel from a centrifugal supercharger impeller and thus to promote a thorough mixing of fuel and charge air. Experiments with a double-row radial aircraft engine indicated that for the normal range of engine power the NACA injection impeller provided marked improvement in mixture distribution over the standard spray-bar injection system used in the same engine. The mixture distribution at cruising conditions was excellent; at 1200, 1500, and 1700 brake horsepower, the differences between the fuel-air ratios of the richest and the leanest cylinders were reduced to approximately one-third their former values.
| Item Type: | Report or Paper (Technical Report) | ||||||
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| Record Number: | CaltechAUTHORS:20140805-132115205 | ||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20140805-132115205 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 47994 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | George Porter | ||||||
| Deposited On: | 05 Aug 2014 21:32 | ||||||
| Last Modified: | 13 Feb 2019 18:02 |
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