Experimental Heat-transfer and Friction Coefficients for Air Flowing Through Stacks of Parallel Flat Plates
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Sams, Eldon W↗
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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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The Use of a Leading-edge Area-suction Flap to Delay Separation of Air Flow from the Leading Edge of a 35 Degree Sweptback Wing
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Holzhauser, Curt A↗
Effects of Secondary-air Flow on Annular Base Force of a Supersonic Airplane
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Vargo, Donald J↗
Effects of Inlet-air-flow Distortion on Steady-state Altitude Performance of an Axial-flow Turbojet Engine
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Conrad, E William↗
An Experimental Investigation of the Air-flow Stability of a Scoop-type Normal-shock Inlet
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Mossman, Emmet A↗
Investigation at supersonic and subsonic Mach numbers of auxiliary inlets supplying secondary air flow to ejector exhaust nozzles
The results indicated increases in auxiliary-inlet pressure recovery with increases in scoop height relative to the boundary-layer thickness. The pressure recovery increased at about the same rate as theoretically predicted for an inlet in a boundary layer having a one-seventh power profile, but was only about 0.68 to 0.75 of the theoretically obtainable values. Under some operating conditions, flow from the primary jet was exhausted through the auxiliary inlet. This phenomenon could be predicted from the ejector pumping characteristics.
Hearth, Donald P↗
Investigation of the air-flow regulation characteristics of a translating-spike inlet with two oblique shocks from Mach 1.6 to 2.0
The pressure recovery of an axially symmetric translating-spike inlet was essentially the same as for a single cone with the same total angle. In order to match a turbojet engine over the Mach range of 1.6 to 2.0, the spike translation must be larger than it is for a single cone.
Nettles, J C↗
Low-speed Measurement of Tail Contribution to Rolling Stability Derivatives and Air-flow Angularity at the Tail for an X-tail Model in Steady Roll Including Some Effects of Wing-tip Stores
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Riley, Donald R↗
Investigation of fixed-geometry supersonic inlets with bypass ducts for matching turbojet-engine air-flow requirements over a range of transonic and supersonic speeds
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Leiss, Abraham↗
Effect of uneven air-flow distribution to the twin inlets of an axial-flow turbojet engine
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Wallner, Lewis E↗
Air-flow surveys in the vicinity of representative NACA 1-series cowlings
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Boswinkle, Robert W , Jr↗
Air-flow and power characteristics of the Langley 16-foot transonic tunnel with slotted test section
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Ward, Vernon G↗
Air flow through poppet valves
Report discusses the comparative continuous flow characteristics of single and double poppet valves. The experimental data presented affords a direct comparison of valves, single and in pairs of different sizes, tested in a cylinder designed in accordance with current practice in aviation engines.
Lewis, G W↗
Influence of model surface and air flow texture on resistance of aerodynamic bodies
This report is an analysis of two resistance equations which have particular application in the comparison of tests from different aerodynamical laboratories.
Zahm, A F↗
Air flow in the boundary layer near a plate
The published data on the distribution of speed near a thin flat plate with sharp leading edge placed parallel to the flow (skin friction plate) are reviewed and the results of some additional measurements are described. The purpose of the experiments was to study the basic phenomena of boundary-layer flow under simple conditions.
Dryden, Hugh L↗
Correlation of the characteristics of single-cylinder and flight engines in tests of high-performance fuels in an air-cooled engine II : knock-limited charge-air flow and cylinder temperatures
An investigation was conducted to correlate the knock limited performance of flight and single-cylinder engines under a variety of operating conditions.
Brown, Kenneth D.↗
Effect of Turbulence on Air-flow Measurements Behind Orifice Plates
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Nielsen, Jack N↗
Measurements of the Air-flow Velocity in the Cylinder of an Airplane Engine
The object of the present investigation is to determine the velocity in the BMW-VI cylinder of an externally driven single-cylinder test engine at high engine speeds using the hot-wire method of Ulsamer.
Wenger, Hermann↗