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UNT Libraries Government Documents Department
631
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29
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4
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2
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2
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2
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1
National Museum of the Pacific War/Admiral Nimitz Foundation
1
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1
Collection
Technical Report Archive and Image Library
547
National Advisory Committee for Aeronautics Collection
423
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95
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76
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29
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6
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5
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4
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3
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2
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NACA Wartime Reports
310
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119
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72
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70
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51
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47
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46
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46
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42
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States
Year
Month
Language
Test Results on Bias Setting for the Chicago Scaler Offner Models
Abstract: The counting accuracy of the Chicago Scalers, Models 961A and 961B, is a function of the bias setting of the limiter (V2). this report gives quantitative data supporting this thesis. A method of making bias settings is suggested. These tests were run at the suggestion of Mr. V. C. Hanson.
Date:
September 11, 1944
Creator:
Bradley, Wendell H.; Epstein, Bernard. & Wakefield, Ernest
System:
The UNT Digital Library
Eta Temperature Effect
The temperature coefficient of eta has been measured with the thermal column of the Argonne pile using uranium foils of different isotopic ratios. The temperature change was effected by filtering neutrons through silver. The measured fractional change per degree centigrade is [formula].
Date:
February 25, 1944
Creator:
Bragdon, E. W.; Hughes, D. & Marshall, John
System:
The UNT Digital Library
Uranium Oxide Slurry Pumping Experiments
Abstract: Experiments on colloid milling and pumping show that uranium trioxide, when carefully dehydrated, can be dispersed in water to form a relatively stable slurry, suitable for a homogeneous slurry pile. At temperatures considerably below those of anticipated pile operation particle size growth occurs attended by increase in settling rate and decrease in viscosity. Theses properties of the slurries may be strongly affected by impurities present as well as by special operating conditions.
Date:
September 15, 1944
Creator:
Brandt, R. & Dean, G. R.
System:
The UNT Digital Library
Knock-limited performance of blends of AN-F-28 fuel containing 2 percent aromatic amines 1
Report presenting tests to investigate the effect of 2-percent additions of 11 aromatic amines on the knock-limited performance of AN-F-28 fuel. A total of 48 aromatic amines are being prepared for knock tests. Results regarding the knock-limited performance data, antiknock effectiveness, and knock-limited powers are provided.
Date:
April 1944
Creator:
Branstetter, J. Robert
System:
The UNT Digital Library
Investigation of Effects of Various Camouflage Paints and Painting Procedures on the Drag Characteristics of an NACA 65(Sub 421)-420, a = 1.0 Airfoil Section
Bulletin presenting an investigation of the effects of various camouflage paints and painting procedures on the drag characteristics of a 60-inch-chord low-drag airfoil in the NACA two-dimensional low-turbulence pressure tunnel.
Date:
July 1944
Creator:
Braslow, Albert L.
System:
The UNT Digital Library
Wind-tunnel investigation of aileron effectiveness of 0.20-airfoil-chord plain ailerons of true airfoil contour on NACA 65(sub 2)-415, 65(sub 3)-418 and 65(sub 4)-421 airfoil sections
Report presenting an investigation in the two-dimensional low-turbulence pressure tunnel to determine the aileron effectiveness of 0.20-airfoil-chord plain ailerons of true airfoil contour on three different airfoil sections. The aileron effectiveness parameter decreased very slightly with an increase in airfoil thickness. Results regarding the plain-airfoil section characteristics, aileron effectiveness, lift characteristics, and effects of airfoil thickness are provided.
Date:
August 1944
Creator:
Braslow, Albert L.
System:
The UNT Digital Library
Tests of the Northrop MX-334 Glider Airplane in the Naca Full-Scale Tunnel
Report presenting tests of the Northrop MX-334 airplane in the full-scale tunnel. The results are of particular interest since the MX-334 is an all-wing glider-type airplane without a conventional fuselage or vertical surfaces. The primary purpose was to obtain sufficient data with which to determine the longitudinal and lateral stability and control characteristics of the airplane.
Date:
January 1944
Creator:
Brewer, Gerald W.
System:
The UNT Digital Library
THE USE OF SULFIDE CRUCIBLES FOR REMELTING AND REDUCTIONS
None
Date:
November 21, 1944
Creator:
Brewer, L.; Bromley, L.A.; Lofgren, N.; Gillis, P. & Gwinn, W.
System:
The UNT Digital Library
NACA Investigation of a Jet-Propulsion System Applicable to Flight
"Following a brief history of the NACA investigation of jet-propulsion, a discussion is given of the general investigation and analyses leading to the construction of the jet-propulsion ground-test mock-up. The results of burning experiments and of test measurements designed to allow quantitative flight-performance predictions of the system are presented and correlated with calculations. These calculations are then used to determine the performance of the system on the ground and in the air at various speeds and altitudes under various burning conditions. The application of the system to an experimental airplane is described and some performance predictions for this airplane are made" (p. 1).
Date:
April 1944
Creator:
Brown, Clinton E.
System:
The UNT Digital Library
Guides for preventing buckling in axial fatigue tests of thin sheet-metal specimens
From Summary: "Guide fixtures are described by means of which axial fatigue loads including compression may be applied to a thin sheet-metal specimen. Tests indicate that the guides prevented buckling without bypassing the load or injuring the specimen."
Date:
April 1944
Creator:
Brueggeman, W. C. & Mayer, M., Jr.
System:
The UNT Digital Library
Axial Fatigue of 10 Airplane Wing-Beam Specimens by the Resonance Method
Note presenting axial fatigue tests made by the resonance method on 10 specimens from airplane wing beams. The specimens contained several types of stress raiser, such as rivets, holes, fittings, splices, reinforcing plates, and so forth. The results show a greater fatigue stress concentration factor for the wing-beam specimens than for drilled coupons machined from the flanges or for parallel strip coupons containing idle rivets.
Date:
December 1944
Creator:
Brueggeman, W. C.; Krupen, P. & Roop, F. C.
System:
The UNT Digital Library
Axial Fatigue Tests at Zero Mean Stress of 24S-T Aluminum-Alloy Sheet With and Without a Circular Hole
"Axial fatigue tests were made on 189 coupon specimens of 0.032-inch 24S-T aluminum-alloy sheet and a few supplementary specimens of 0.004-inch sheet. The mean load was zero. The specimens were restrained against lateral buckling by lubricated solid guides described in a previous report on this project. About two-thirds of the 0.032-inch specimens were plain coupons nominally free from stress raisers. The remainder contained a 0.1285-inch drilled hole at the center where the reduced section was 0.5 inch wide" (p. 1).
Date:
November 1944
Creator:
Brueggeman, W. C.; Mayer, M., Jr. & Smith, W. H.
System:
The UNT Digital Library
End-zone water injection as a means of suppressing knock in a spark-ignition engine
Report discusses the results of an investigation into the effectiveness of water injection into the combustion end zone of a spark-ignition engine cylinder for the suppression of knock. The injection angle was found to be very important for obtaining maximum results. The results of various angles and amounts of water were examined.
Date:
September 1944
Creator:
Brun, Rinaldo J.; Olsen, H. Lowell & Miller, Cearcy D.
System:
The UNT Digital Library
Hanford Engineer Work technical progress letter No. 14, October 6--October 12
This barely legible document contains information on slug testing results and autoclave performance. Reactor physics, corrosion, chemistry and instrument development are also discussed.
Date:
October 14, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Hanford Engineer Works technical progress letter No. 8, August 25--August 31, 1944
This barely legible document describes the canning process, autoclave tests, slug weight distributions, and general information on progress in the 100 Area to include: Reactor physics, corrosion, instrument development, plant assistance, slug recovery, outgassing, sniffer tests, statistics, and analytical services.
Date:
September 2, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Hanford Engineer Works technical progress letter No. 9, September 1 through September 7, 1944
This report details technical activities of the Hanford Engineer Works for the time period of September 1 through September 7, 1944.
Date:
September 9, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Hanford Engineer Works technical progress letter No. 12, September 12--September 28, 1944
This barely legible document describes the canning process, B area activities, and the 200 area activities.
Date:
September 30, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Hanford Engineer Works, technical progress letter number 15, October 13 through October 19, 1944
This report documents the progress made for the week in each of the following areas: fuel canning operations; reactor operations (100 area); instrumentation development; and fuel reprocessing (200 area). Detailed information is given for each of these areas. Problems encountered are also discussed.
Date:
October 21, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Hanford Engineer Works, Technical progress Letter No. 17, October 27--November 2
This report details technical activities of the Hanford Engineer Works for the week of October 27, 1944 through November 2, 1944.
Date:
November 4, 1944
Creator:
Bugbee, S. J.
System:
The UNT Digital Library
Technical Department letter, weekly, May 18, 1944--July 6, 1944
This report contains work summaries for the week of May 18th, 1944 at the Hanford Atomic Products Operation. Canning, stack gas disposal, and graphite testing are discussed. (JL)
Date:
May 20, 1944
Creator:
Bugbee, S. J. & Mackey, B. H.
System:
The UNT Digital Library
Knock-limited performance of pure hydrocarbons blended with a base fuel in a full-scale aircraft-engine cylinder 2: twelve aromatics
Report presenting an investigation of the knock-limited performance of leaded blends of 12 pure aromatic hydrocarbons in a full-scale aircraft-engine cylinder at CRC simulated cruise and take-off conditions to determine the antiknock effectiveness of additions of pure compounds to aviation fuels. Results indicated that all of the hydrocarbons increased the knock limit of the base fuel except for 2 of them.
Date:
September 1944
Creator:
Bull, Arthur W. & Jones, Anthony W.
System:
The UNT Digital Library
The Behavior of Some Solid Materials Under Pile Operating Conditions
Technical report abstract. The present state of knowledge concerning the effect of pile radiation on a variety of solid materials is reviewed. Radiation corrosion will not be a serious hazard for aluminum or stainless steel but it can be for iron or lead if either are exposed to water. Apart from corrosion the principal uncertainty is in regard to the Wigner effect on the behavior of metals. There is at present no ground for optimism regarding the behavior of tuballoy. The effect on aluminum or a bonding material while less severe must also be considered serious. The expectation in regard to graphite is that its behavior will not cause trouble during the first 100 days of operation although serious troubles will probably arise within two years of operation. Organic materials can be used safely only in regions of limited exposure.
Date:
July 20, 1944
Creator:
Burton, Milton, 1902- & Seitz, Frederick, 1911-2008
System:
The UNT Digital Library
Experimental constriction effects in high-speed wind tunnels
From Summary: "An investigation has been conducted to determine the possible extent of effects of wind-tunnel constriction at high speeds for airfoils of various thickness-to-chord ratios at or near zero lift. The results indicate that a limiting test Mach number exists which is principally a function of the ratio of model thickness to tunnel height. At high Mach numbers serious constriction effects occur; these effects are of such a nature that the standard calibration methods given speeds much lower than the actual test speeds."
Date:
December 1944
Creator:
Byrne, Robert W.
System:
The UNT Digital Library
Aerodynamic Tests of an NACA 66(215)-116, a=0.6 Airfoil With a 0.25c Slotted Flap for the Fleetwings XA-39 Airplane
Report presenting testing in the two-dimensional low-turbulence tunnels on a 24-inch-chord model of the NACA 66(215)-116 a = 0.6 airfoil with a 0.25-chord slotted flap. The optimum flap pivot positions were found for three different conditions. The conditions were determined from a consideration of the landing, take-off, and strafing requirements of the airplane.
Date:
November 1944
Creator:
Cahill, Jones F.
System:
The UNT Digital Library