Subject: NACA scoops
From: ACRE
Date: 2/27/2004, 12:10 AM

The key word "ejector" seems to be the hot tip.
I have not read all these yet so if you find one you like let me know.

http://naca.larc.nasa.gov/

I do have Report 818 and that is a good one. Very comprehensive.

Here is a summary. 

Paul Lamar

**********************************************************
2715. Acker, Loren W Kleinknecht, Kenneth S , ***Flight comparison of
      performance and cooling characteristics of exhaust-ejector  
	installation with exhaust-collector-ring installation ,
	<http://naca.larc.nasa.gov/reports/1947/naca-rm-e6l13a/>* NACA
	RM-E6L13a , February 14, 1947 , pp. 37 .

2259. Manganiello, Eugene J Bogatsky, Donald , ***An experimental
      investigation of rectangular exhaust-gas ejectors applicable for
      engine cooling ,
	 <http://naca.larc.nasa.gov/reports/1945/naca-report-818/>* NACA
	Report 818 , 1945 , pp. 19 .

4694. Fred D. Kochendorfer and Morris D. Rousso, ***Performance
	characteristics of aircraft cooling ejectors having short
	cylindrical shrouds,
	<http://naca.larc.nasa.gov/reports/1951/naca-rm-e51e01/>* NACA RM
	E51E01, May 1951, pp. 41.

4760. Ellis, C. W., Hollister, D. P. and Sargent, A. F., Jr.,
	***Preliminary investigation of cooling-air ejector performance at
	pressure ratios from 1 to 10 ,
	<http://naca.larc.nasa.gov/reports/1951/naca-rm-e51h21/>* NACA   
	Research Memorandum E51H21, 1951, pp. 23.

5399. Greathouse, W. K. and Hollister, D. P., ***Preliminary air-flow
      and thrust calibrations of several conical cooling-air ejectors 
	with a primary to secondary temperature ratio of 1.0 I :diameter  
	ratios of 1.21 and 1.10 ,
	<http://naca.larc.nasa.gov/reports/1952/naca-rm-e52e21/>* NACA
	Research Memorandum E52E21, 1952, pp. 26.

5433. Greathouse, W. K. and Hollister, D. P., ***Preliminary air-flow   
      and thrust calibrations of several conical cooling-air ejectors
	with a primary to secondary temperature ratio of 1.0. II :diameter
	ratios of 1.06 and 1.40 ,
	<http://naca.larc.nasa.gov/reports/1952/naca-rm-e52f26/>* NACA
	Research Memorandum E52F26, 1952, pp. 35.

6401. Huntley, S C Yanowitz, Herbert , ***Pumping and thrust  
	characteristics of several divergent cooling-air ejectors and     
	comparison of performance with conical and cylindrical ejectors ,
	<http://naca.larc.nasa.gov/reports/1954/naca-rm-e53j13/>* NACA
	RM-E53J13 , January 20, 1954 , pp. 44 .



The AirCraft Rotary Engine NewsLetter.  Powered by Linux.
ACRE NL web site. http://home.earthlink.net/~rotaryeng/            
Copyright 1998-2003 All world wide rights reserved.