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Cooling Characteristics of a Pratt and Whitney R-2800 Engine Installed in an NACA Short-nose High-inlet-velocity CowlingAn investigation was made of the cooling characteristics of a P and W R-2800 engine with NACA short-nose high inlet-velocity cowling. The internal aerodynamics of the cowling were studied for ranges of propeller-advance ratio and inlet-velocity ratio obtained by deflection of cowling flaps. Tests included variations of engine power, fuel/air ratio and cooling-air pressure drop. Engine cooling data are presented in the form of cooling correlation curves, and an example for calculation of cooling requirements in flight is included.
Document ID
19930093198
Acquisition Source
Legacy CDMS
Document Type
Other - NACA Wartime Report
External Source(s)
hdl:100.2/ADA800652
Authors
Corson, Blake W. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
McLellan, Charles H. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Date Acquired
September 6, 2013
Publication Date
June 1, 1944
Subject Category
Aerodynamics
Report/Patent Number
NACA-WR-L-207
NACA-ACR-L4F06
Accession Number
93R22488
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
HIGH-INLET-VELOCITY (SHORT-NOSE)
ENGINE COWLINGS-NACA
ENGINES-PRATT & WHITNEY R-2800-B (AMER )
WIND TUNNEL TESTS (NACA-HIGH-SPEED-16')
COOLING TESTS
PRESSURE DISTRIBUTION-ENGINES
FUEL-AIR MIXTURES
ENGINES-PRESSURE DROP
ENGINE COWLINGS-NACA DS
FLAPPED

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