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Calculation of External-Store Loads and Correlation With Experiment

Description: Memorandum presenting a theory for evaluating the mutual interference between a wing and tip tank as extended to apply to store-pylon configurations. By using the theory and the flow-field formulas of a previous report, theoretical store-pylon side-force estimates have been made for a number of store-pylon configurations. Results regarding the theory for store-pylon side force, scope of test configurations, contribution of store and pylon to combined load, effect of store spanwise location on t… more
Date: July 29, 1957
Creator: Bobbitt, Percy J.; Carlson, Harry W. & Pearson, Albin O.
Item Type: Refine your search to only Report
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Heat-Transfer Measurements on a Concave Hemispherical Nose Shape With Unsteady-Flow Effects at Mach Numbers of 1.98 and 4.95

Description: Memorandum presenting heat-transfer rates and pressure fluctuations at Mach numbers of 1.98 and 4.95 measured at the stagnation point of a concave hemisphere for a range of Reynolds numbers based on free-stream conditions and model diameter. Results regarding heat-transfer characteristics, heat-transfer data, and schileren photographs and stagnation point pressure measurements are provided.
Date: July 17, 1958
Creator: Cooper, Morton; Beckwith, Ivan E.; Jones, Jim J. & Gallagher, James J.
Item Type: Refine your search to only Report
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Experimental Investigation of a 7-Inch-Tip-Diameter Transonic Turbine

Description: Memorandum presenting the overall performance results obtained for a 7-inch transonic turbine and a comparison with the results of a 14-inch turbine of geometrically similar design that had been previously investigated. The peak efficiency obtained with the turbine was 0.85, which was 2 points lower than that obtained previously with the 14-inch turbine.
Date: January 16, 1958
Creator: Whitney, Warren J. & Wintucky, William T.
Item Type: Refine your search to only Report
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Turbojet Performance and Operation at High Altitudes With Hydrogen and JP-4 Fuels

Description: An investigation of the effect of extremely high altitude operation on the performance and operating characteristics of two turbojet engines using gaseous hydrogen and JP-4 fuels. At extremely high altitude conditions, engine performance was significantly poorer than at low altitudes. The majority of performance losses were due to the compressor because of low Reynolds number and the combustor because of low combustion efficiency.
Date: August 7, 1956
Creator: Fleming, W. A.; Kaufman, H. R.; Harp, J. L., Jr. & Chelko, L. J.
Item Type: Refine your search to only Report
open access

Exploratory Investigation of Performance of Experimental Fuel-Rich Hydrogen Combustion System

Description: Memorandum presenting an exploratory investigation conducted to determine the performance characteristics of a fuel-rich hydrogen combustor; in addition, the performance of an afterburner operating with the fuel-rich exhaust mixture was evaluated. Results regarding performance of the fuel-rich combustor, afterburner performance, and resonating combustion are provided.
Date: June 25, 1958
Creator: Smith, Arthur L. & Grobman, Jack S.
Item Type: Refine your search to only Report
open access

Pressure Distributions and Aerodynamic Characteristics of Several Spoiler-type Controls on a Trapezoidal Wing at Mach Numbers of 1.61 and 2.01

Description: Memorandum presenting an investigation at Mach numbers of 1.61 and 2.01 to examine the characteristics of a series of nine spoiler-type controls on a trapezoidal wing with the leading edge swept back 23 degrees, an aspect ratio of 3.1, and a taper ratio of 0.4. Results regarding pressure distributions, spanwise loadings, and integrated coefficients are provided.
Date: July 26, 1956
Creator: Lord, Douglas R. & Czarnecki, K. R.
Item Type: Refine your search to only Report
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