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There are a total of 35 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Junkers Airplane "G 24" : All-metal Commercial Airplane
Abstract: The G 24 is a commercial airplane with three engines and a monoplane wing. It is known for it's all metal construction and stabilizers.
NASA Center: NACA (Unspecified Center) Publication Year: 1927
Added to NTRS: 2008-07-11
Accession Number: 93R19914; Document ID: 19930090624; Report Number: NACA-AC-47
Wind-tunnel Tests of the NACA 45-125 Airfoil: A Thick Airfoil for High-Speed Airplanes
Author(s): Delano, James B.
Abstract: Investigations of the pressure distribution, the profile drag, and the location of transition for a 30-inch-chord 25-percent-thick N.A,C.A. 45-125 airfoil were made in the N.A.C.A 8-foot high-speed wind tunnel for the ...
NASA Center: Langley Research Center, NACA (Unspecified Center) Publication Year: 1940
Added to NTRS: 2008-01-28
Document ID: 20070026134; Report Number: NACA-SR-138
Compressibility Effects in Aeronautical Engineering
Author(s): Stack, John
Abstract: Compressible-flow research, while a relatively new field in aeronautics, is very old, dating back almost to the development of the first firearm. Over the last hundred years, researches have been conducted in the ballistics ...
NASA Center: Langley Research Center, NACA (Unspecified Center) Publication Year: 1941
Added to NTRS: 2008-01-28
Document ID: 20070026133; Report Number: NACA-ACR-207, NACA-SR-207
On the Application of the Energy Method to Stability Problems
Author(s): Marguerre, Karl
Abstract: Since stability problems have come into the field of vision of engineers, energy methods have proved to be one of the most powerful aids in mastering them. For finding the especially interesting critical loads special ...
NASA Center: NACA (Unspecified Center) Publication Year: 1947
Added to NTRS: 2007-12-27
Document ID: 20050019403; Report Number: NACA-TM-1138
Aerodynamic Heat-Power Engine Operating on a Closed Cycle
Author(s): Ackeret, J.; Keller, D. C.
Abstract: Hot-air engines with dynamic compressors and turbines offer new prospects of success through utilization of units of high efficiencies and through the employment of modern materials of great strength at high temperature. ...
NASA Center: Langley Research Center, NACA (Unspecified Center) Publication Year: 1942
Added to NTRS: 2005-10-13
Document ID: 20030068025; Report Number: NACA-TM-1034
Some Experiences Regarding the Nonlinearity of Hot Wires
Author(s): Betchov, R.; Welling, W.
Abstract: We compare here the results of some experiences with the formulas established in our preceding report 'Nonlinear Theory of a Hot-Wire Anemometer.' We shall show that the nonlinear term plays a role as important as the ...
NASA Center: Langley Research Center, NACA (Unspecified Center) Publication Year: 1952
Added to NTRS: 2005-10-13
Document ID: 20040034096; Report Number: NACA-TM-1223
Effect of Fatigue Crack on Static Strength: 2014-T6, 2024-T4, 6061-T6, 7075-T6 Open-Hole Monobloc Specimens
Author(s): Nordmark, Glenn E.; Eaton, Ian D.
Abstract: Static tensile test results are presented for specimens of 2014-T6, 2024-T4, 6061-T6, and 7075-T6 aluminum alloy containing fatigue cracks. The results are found to be in good agreement with the results reported for similar ...
NASA Center: NACA (Unspecified Center) Publication Year: 1957
Added to NTRS: 2005-10-13
Document ID: 20040034248; Report Number: NACA-TM-1428
Investigation of the Model ME 210 in the Spin Wind Tunnel of the DVL
Author(s): Huffschmid, A
Abstract: After conclusion of the spin investigation of the model Me 210 with elongated fuselage and central vertical tail surfaces (model condition III; reference 3), tests were performed on the same model with a vee tail (model ...
NASA Center: NACA (Unspecified Center) Publication Year: 1950
Added to NTRS: 2005-10-13
Document ID: 19990054421; Report Number: NACA-TM-1222
Gas-Dynamic Investigations of the Pulse-Jet Tube
Author(s): Shultz-Grunow, F.
Abstract: Based upon a simplified representation of the mode of operation of the pulse-jet tube, the effect of the influences mentioned in the title were investigated and it will be shown that, for a jet tube with a fccmndesigned to ...
NASA Center: NACA (Unspecified Center) Publication Year: 1947
Added to NTRS: 2005-10-13
Document ID: 20030067369; Report Number: NACA-TM-1131
Experimental Investigation of Impact in Landing on Water
Author(s): Kreps, R. L.
Abstract: The extent of agreement of the theoretical impact computations with the actual phenomenon has not as yet been fully clarified. There is on the one hand a certain imperfection in the theory (simplifying assumptions made) and ...
NASA Center: NACA (Unspecified Center) Publication Year: 1943
Added to NTRS: 2005-10-13
Document ID: 20000113848; Report Number: NACA-TM-1046
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