Effect of NACA Injection Impeller on Mixture Distribution of Double-Row Radial Aircraft Engine
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.
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Published - 19930091898.pdf
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Additional details
- Eprint ID
- 47994
- Resolver ID
- CaltechAUTHORS:20140805-132115205
- Created
-
2014-08-05Created from EPrint's datestamp field
- Updated
-
2020-03-09Created from EPrint's last_modified field
- Other Numbering System Name
- NACA Technical Report
- Other Numbering System Identifier
- 821