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Technical Report Archive and Image Library
136
National Advisory Committee for Aeronautics Collection
67
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33
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27
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14
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3
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3
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2
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47
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27
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20
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17
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7
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7
Trace elements investigations report
7
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6
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5
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182 Matching Results
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Comparison of calculated and experimental temperatures of water-cooled turbine blades
Report presenting analytical methods to calculate average and local turbine-blade temperatures. The temperatures were compared with experimental data obtained in a forced-convection, water-cooled aluminum turbine over a range of turbine-inlet-gas temperatures and coolant-mass velocities. Results regarding comparison of calculated and experimental aluminum turbine blade temperatures, comparison of calculated and experimental stationary-blade temperatures, stationary water-cooled blade operating data, and turbine operating data are provided.
Date:
July 15, 1952
Creator:
Schum, Eugene F.; Freche, John C. & Stelpflug, William J.
Object Type:
Report
System:
The UNT Digital Library
Component and over-all performance evaluation of an axial-flow turbojet engine over a range of engine-inlet Reynolds numbers
Report presenting an investigation in an altitude test chamber to evaluate the performance of an axial-flow turbojet engine over a range of engine-inlet Reynolds numbers. Reducing the engine inlet Reynolds number resulted in a reduction of corrected air flow and compressor efficiency but did not affect the compressor pressure ratio at a given corrected engine speed.
Date:
July 10, 1952
Creator:
Walker, Curtis L.; Huntley, S. C. & Braithwaite, W. M.
Object Type:
Report
System:
The UNT Digital Library
Considerations on the Effect of Beam-Dee Coupling in a Cyclotron RF System
Analysis of the problem of accelerating ions in a Thomas cyclotron has been confined almost entirely to the integration of various equations of motion (for single particles) for which a complete field description is necessary. In contrast, the problem of principal interest to rf system engineers concerns the gross transfer of electrical energy from an rf generator into an accelerated beam.
Date:
July 14, 1952
Creator:
Wouters, L. F. (Louis Francis), 1921-
Object Type:
Report
System:
The UNT Digital Library
Control characteristics at transonic speeds of a linked flap and spoiler on a tapered 45 degrees sweptback wing of aspect ratio 3
Report presenting an investigation at transonic speeds to determine the control characteristics of a linked flap and spoiler. The control consisted of a linked combination of a quarter-span inboard plug-type spoiler and a full-span flap. Results regarding the hinge-moment, pitching-moment, lift, and rolling-moment are provided.
Date:
July 11, 1952
Creator:
Lockwood, Vernard E. & Fikes, Joseph E.
Object Type:
Report
System:
The UNT Digital Library
Control of potato insects.
Discusses various insect pests of the Irish potato and how to recognize them. Provides instructions for preparing and applying insecticides.
Date:
July 1952
Creator:
Dudley, J. E.; Landis, B. J. (Birely J.), 1904- & Shands, Wayland Arthur, 1905-
Object Type:
Book
System:
The UNT Digital Library
Correlation Between Surface and Subsurface Sections of the Ellenburger Group of Texas
Report on the 'Ellenburger' geological group in Texas, with maps, residue evaluations, mineral examinations, an index, and more.
Date:
July 1952
Creator:
Hendricks, Leo
Object Type:
Report
System:
The Portal to Texas History
CORROSION RESISTANCE OF MATERIALS TO AN HF-H$sub 2$O-H$sub 2$SO$sub 4$ SYSTEM
None
Date:
July 1, 1952
Creator:
Termini, J.P.
Object Type:
Report
System:
The UNT Digital Library
Corrosion Resistance of Materials to an HF-Hâ‚‚O-Hâ‚‚SOâ‚„-System
The purpose of this report is to present information on materials which can possibly be employed in the HF-Hâ‚‚O-Hâ‚‚SOâ‚„-system in the extractive distillation process to be investigated at NBL.
Date:
July 7, 1952
Creator:
Termini, J. P.
Object Type:
Report
System:
The UNT Digital Library
Creep of Alloys Research Technical Progress Report to July 1, 1952
None
Date:
July 1, 1952
Creator:
Parker, E. R. & Hazlett, T. H.
Object Type:
Report
System:
The UNT Digital Library
The Crystal Structures of NpC and Pu2O3
NpC and Pu{sub 2}O{sub 3} have been identified by x-ray diffraction. NpC is face-centered cubic, NaCl structure with a = 5.004 {+-} 0.005 A Pu{sub 2}O{sub 3} is isomorphous with the hexagonal ''A form'' for the rare earth sesquioxides with a = 3.840 {+-} 0.004 A; c = 5.957 {+-} 0.006 A and has essentially the same atomic parameters at La{sub 2}O{sub 3}. The lattice dimensions are smaller than predicted for pure Pu{sub 2}O{sub 3}, implying that the average oxidation number of plutonium is between (III) and (IV).
Date:
July 14, 1952
Creator:
Templeton, D.H. & Dauben, Carol H.
Object Type:
Report
System:
The UNT Digital Library
The Crystal Structures of NpC and Pu₂O₃
The following report describes the crystal structures of NpC and Pu2O3 identified by x-ray diffraction.
Date:
July 14, 1952
Creator:
Templeton, D. H. & Dauben, Carol H.
Object Type:
Report
System:
The UNT Digital Library
The Decomposition of Teflon in High-Level Gamma Radiation
Abstract: A study of irradiated and normal Teflon by means of X-ray diffraction, infrared analysis, gas evolution, and visual examination is presented and discussed.
Date:
July 30, 1952
Creator:
Ryan, J. W. & Baird, S. L., Jr.
Object Type:
Report
System:
The UNT Digital Library
A Description of the Acetone-Dye Solution Method of Demarcating a Leak Process Tubing While in the Pile
Abstract: "A method has been devised and successfully used for marking a leaking pile process tube prior to its removal from the pile, such that subsequent location of the leak is more easily accomplished. An acetone solution of Testor's Dark Red Airplane Dope is poured into the suspect tube. The solution leaks from the hole and stains the surrounding area a light pink. To date the method has been used on tubes 3573F, 0486F, 0867F, and 3670F."
Date:
July 16, 1952
Creator:
DeHollander, W. R.
Object Type:
Report
System:
The UNT Digital Library
Design Considerations for a Lattice Test Pile
From abstract: "The present paper proposes a lattice test pile, (or LTP) as an alternate to the continuing program of building up and tearing down of exponential piles."
Date:
July 28, 1952
Creator:
Horning, W. A.
Object Type:
Report
System:
The UNT Digital Library
Development of Metal-Bonding Adhesive FPL-710 With Improved Heat-Resistant Properties
Report presenting an adhesive, FPL-710, which produces higher strength at temperatures up to 600 degrees Fahrenheit than previously obtained and possesses good resistance to aging at high temperatures. It also has acceptable resistance to creep and immersion in various organic solvents. Results regarding its strength properties, heating and aging resistances, and variables affecting bond strength are provided.
Date:
July 8, 1952
Creator:
Black, John M. & Blomquist, R. F.
Object Type:
Report
System:
The UNT Digital Library
Diseases of Swine.
Describes the characteristics of a variety of diseases of swine, and methods for their prevention and treatment.
Date:
July 1952
Creator:
Stein, C. D. (Clarence Dinsmore), b. 1889; Manthei, C. A. (Chester Alfred), 1909-; Shuman, R. D. & Torrey, J. P.
Object Type:
Book
System:
The UNT Digital Library
Dynamic corrosion of a stainless-steel specimen by water at 500 degrees F using a toroid circulating apparatus
A slug of air-saturated distilled water was circulated for 317 hours at a velocity of 15 feet per second in an AISI 347 stainless-steel toroid with a wall temperature of 500 F and a 30 F difference in temperature between the hot and cold sections. The depth of corrosion layer was 0.001 inch (0.028 in./yr) in the hot sector and 0.0007 inch (0.019 in./yr) in the cold sector; no mass transfer was observed. The results of gas,water,and X-ray diffraction analyses are given together with photomicrographs of sections taken from the hot and cold sections of the specimen.
Date:
July 16, 1952
Creator:
Desmon, Leland G. & Mosher, Don R.
Object Type:
Report
System:
The UNT Digital Library
Effect of Fuselage Interference on the Damping in Roll of Delta Wings of Aspect Ratio 4 in the Mach Number Range Between 0.6 and 1.6 as Determined With Rocket Propelled Vehicles
Report discussing an investigation using rocket-propelled vehicles in free flight to determine the effect of fuselage-diameter - wing-span ratio on the damping-in-roll characteristics of delta wings at a range of Mach numbers. The damping-in-roll derivative was found to decrease when the fuselage-diameter - wing-span ratio was increased. The experimental results are compared to calculated values.
Date:
July 15, 1952
Creator:
Bland, William M., Jr.
Object Type:
Report
System:
The UNT Digital Library
The Effect of Gaps on Pile Reactivity
From abstract: "The variation of the reactivity of a pile as a function of width of a transverse gap is obtained. The method involves first finding the boundary condition satisfied by the flux at the gap face. This, in principle, provides enough information for a complete solution of the pile equations. A method for calculating the reactivity change is presented. The calculated reactivity is compared with experiment and a brief discussion of the validity of the approximations is given."
Date:
July 14, 1952
Creator:
Tamor, S. & Ergen, W. K.
Object Type:
Report
System:
The UNT Digital Library
Effect of pH and Concentration of Ammonium Persulfate on Colorimetric Determination of Nickel by Dimethylglyoxime Method
The following report records the study of the optimum pH of the method of the colorimetric dimethylglyoxime for nickel before the addition of oxidant and the concentration of ammonium persulfate needed to insure complete oxidation to higher nickel valence states and thus prevent precipitation of less soluble nickelous salt that was made. Results of this study is presented in Table 1.
Date:
July 30, 1952
Creator:
White, J. C.
Object Type:
Report
System:
The UNT Digital Library
Effect of Plasma Oscillations on the Table-Top Model
The following report describe the effect of plasma oscillations using a table-top model and the probable magnitude of the quantities needed to reach complete ionization.
Date:
July 31, 1952
Creator:
Spitzer, Lyman, Jr.
Object Type:
Report
System:
The UNT Digital Library
Effect of trailing edge thickness on lift at supersonic velocities
Report presenting measurements of lift made on various rectangular-plan-form wings differing in trailing-edge thickness, profile shape, maximum thickness ratio, and aspect ratio. Experiments were conducted at a range of Mach numbers, Reynolds numbers, and wings with and without boundary-layer trips. Results regarding a comparison of experimental results with theory at moderate supersonic Mach numbers and calculations for hypersonic Mach numbers are provided.
Date:
July 10, 1952
Creator:
Chapman, Dean R. & Kester, Robert H.
Object Type:
Report
System:
The UNT Digital Library
Effects of Aspect Ratio on Air Flow at High Subsonic Mach Numbers
Schlieren photographs were used in an investigation to determine the effects of changing the aspect ratio from infinity to 2 on the air flow past a wing at high subsonic Mach numbers. The results indicated that the decreased effects of compressibility on drag coefficients for the finite wing are produced by a reduction in the compression shock and flow separation.
Date:
July 1952
Creator:
Lindsey, W. F. & Humphreys, Milton D.
Object Type:
Report
System:
The UNT Digital Library
The Effects of Internal Conversion on Critical Mass and Operating Life of a Thermal Reactor
"This report was prepared for preliminary use only in the course of work under W31-109 Eng. 52, and the information contained herein may not be correct or in agreement with more recent experimental and operating data. Any values or opinions expressed in the report may only be those of the author, and the General Electric Company makes no representation or warranty (1) as to the value of this report for any purpose or (2) that any use of the report will not infringe the rights of others."
Date:
July 21, 1952
Creator:
Snyder, T. M.
Object Type:
Report
System:
The UNT Digital Library