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Investigation of the Trim Characteristics of a 1/20-Scale Model of the Fleetwings XBTK-1 Airplane over a Wide Range of Angles of Attack

Description: "Tests of a 1/20-scale model of the Fleetwings XBTK-1 airplane have been performed in the Langley 15-foot free-spinning tunnel to determine the trim tendencies of the airplane at attitudes above the stall. The results of the tests indicated that the model would trim longitudinally only in the normal range of angles of attack and that the yaw trim tendencies for such longitudinal trim conditions were normal. Although wide oscillations in yaw were noted for some conditions, they occurred at angle… more
Date: March 5, 1947
Creator: Stone, Ralph W., Jr. & Berman, Theodore
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Aerodynamic and Lateral-Control Characteristics of a 1/28-Scale Model of the Bell X-1 Airplane Wing-Fuselage Combination: Transonic-Bump Method

Description: Report discussing an investigation into the lateral-control characteristics and the pitching-moment characteristics of a scale model of the X-1 wing-fuselage configuration. Information about the estimated variation of rolling effectiveness and wing-fuselage pitching-moment coefficient is described in detail.
Date: May 5, 1950
Creator: Lockwood, Vernard E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

High-Speed Load Distribution of the Wing of a 3/16-Scale Model of the Douglas XSB2D-1 Airplane with Flaps Deflected

Description: "The tests reported herein were made for the purpose of determining the high-speed load distribution on the wing of a 3/16 scale model of the Douglas XSB2D-1 airplane. Comparisons are made between the root bending moment and section torsional moment coefficients as obtained experimentally and derived analytically. The results show good correlation for the bending moment coefficients but considerable disagreement for the torsional moment coefficients, the measured moments being greater than the … more
Date: February 5, 1947
Creator: Barnes, Robert H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Wind-Tunnel Tests of a 0.182-Scale Model of an F4U-1 Airplane with External Stores

Description: Tests were made in the Langley 7- by 10-foot tunnel on a 0.182-scale model of an F4U-1 airplane with external stores. This paper is concerned mainly with presenting the data obtained in this investigation and with a comparison of some of these data with flight-test results determining the feasibility of estimating flight buffet Mach number from tunnel data. The results of this investigation indicate that the incremental drag coefficient due to external stores may be used to estimate the maximum… more
Date: June 5, 1947
Creator: Silvers, H. Norman & Spreemann, Kenneth P.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Langley Full-Scale-Tunnel Investigation of Maximum Lift and Stability Characteristics of an Airplane Having Approximately Triangular Plan Form (DM-1 Glider)

Description: "An investigation of the DM-1 Glider, which had approximately triangular plan form, an aspect ratio of 1.8 and a 60 degree sweptback leading edge, has been conducted in the Langley full-scale tunnel. The investigation consisted of the determination of the separate effects of the following modifications made to the glider on its maximum lift and stability characteristics: (a) installation of sharp leading edges over the inboard semispan of the wing, (b) removal of the vertical fin, (c) sealing o… more
Date: August 5, 1947
Creator: Lovell, J. Calvin & Wilson, Herbert A., Jr.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Free-Spinning-Tunnel Tests of a 1/26th Scale Model of the Douglas XTB2D-1 Airplane

Description: "A spin-tunnel investigation of a 1/26 scale model of the Douglas XTB2D-1 airplane has been conducted in the Langley 20-foot free-spinning tunnel. The effects of control settings and movements upon the erect- and inverted-spin and recovery characteristics of the model were determined for various loading conditions. Tests were also performed to determine the effects of various tail modifications. The investigation included emergency spin-recovery parachute tests as well as crew-escape and rudder… more
Date: December 5, 1946
Creator: Stone, Ralph W., Jr. & Berman, Theodore
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Effect of an Auxiliary Belly Fuel Tank on the Low-Speed Static Stability Characteristics of a 1/5-Scale Model of the Grumman XF8F-1 Airplane, TED No. NACA 2384

Description: "In order to determine the aerodynamic effects of an auxiliary belly fuel tank on the Grumman F8F-1 airplane, a wind-tunnel investigation was made on a 1/5 - scale model of the Grumman XF8F-1 airplane. Pitch and yaw tests were made with the model in the cruising and landing configurations for windmilling and take-off power conditions. Tuft studies and static-pressure measurements were also made to determine the flow characteristics in the region of the fuel tank" (p. 1).
Date: November 5, 1946
Creator: Cook, Charles B.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Foreign Countries’ Response to the Avian Influenza (H5N1) Virus: Current Status

Description: This report highlights efforts by affected countries to control the spread of the avian influenza (H5N1) virus. Included is statistical information on confirmed human cases and deaths through January 2007.
Date: February 5, 2007
Creator: Chanlett-Avery, Emma; Chesser, Susan; Fischer, Hannah; Hassan, Hussein; Klarman, Kim; Mangan, George et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Legal Standing Under the First Amendment's Establishment Clause

Description: This report analyzes the constitutional issues associated with standing (a restraint on the power of federal courts to render decisions), specifically related to cases arising under the Establishment Clause of the First Amendment regarding religion. It provides a background on the doctrine of standing, including the U.S. Supreme Court's interpretation of various types of standing: standing to sue as a citizen, as a taxpayer, and on behalf of another party. It also examines the current standing … more
Date: April 5, 2011
Creator: Brougher, Cynthia
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Pacific Northwest National Laboratory Potential Impact Categories for Radiological Air Emission Monitoring

Description: In 2002, the EPA amended 40 CFR 61 Subpart H and 40 CFR 61 Appendix B Method 114 to include requirements from ANSI/HPS N13.1-1999 Sampling and Monitoring Releases of Airborne Radioactive Substances from the Stack and Ducts of Nuclear Facilities for major emission points. Additionally, the WDOH amended the Washington Administrative Code (WAC) 246-247 Radiation protection-air emissions to include ANSI/HPS N13.1-1999 requirements for major and minor emission points when new permitting actions are … more
Date: June 5, 2012
Creator: Ballinger, Marcel Y.; Gervais, Todd L. & Barnett, J. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Freedom of Speech and Press: Exceptions to the First Amendment

Description: The First Amendment to the United States Constitution provides that “Congress shall make no law . . . abridging the freedom of speech, or of the press. . . .” This language restricts government both more and less than it would if it were applied literally. It restricts government more in that it applies not only to Congress, but to all branches of the federal government, and to all branches of state and local government. It restricts government less in that it provides no protection to some typ… more
Date: November 5, 2001
Creator: Cohen, Henry
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Spatial filter lens design for the main laser of the National Ignition Facility

Description: The National Ignition Facility (NIF), being designed and constructed at Lawrence Livermore National Laboratory (LLNL), comprises 192 laser beams The lasing medium is neodymium in phosphate glass with a fundamental frequency (1{omega}) of 1 053{micro}m Sum frequency generation in a pair of conversion crystals (KDP/KD*P) will produce 1 8 megajoules of the third harmonic light (3{omega} or {lambda}=351{micro}m) at the target The purpose of this paper is to provide the lens design community with th… more
Date: June 5, 1998
Creator: Korniski, R. J., Optics 1 Inc, Westlake Village, CA
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Gas tungsten arc welding of as-cast AlCoCrFeNi2.1 eutectic high entropy alloy

Description: Article states that the AlCoCrFeNi2.1 eutectic high entropy alloy is of great interest due to its unique mechanical properties combining both high strength and plasticity. This work establishes the potential for using arc-based welding for joining eutectic high entropy alloys.
Date: October 5, 2022
Creator: Shen, Jiajia; Agrawal, Priyanka; Rodrigues, Tiago A.; Lopes, J.G.; Schell, N.; Zeng, Zhi et al.
Item Type: Refine your search to only Article
Partner: UNT College of Engineering
open access

Laser diagnostic for high current H{sup {minus}} beams

Description: In the last 5 years, significant technology advances have been made in the performance, size, and cost of solid-state diode-pumped lasers. These developments enable the use of compact Q-switched Nd:YAG lasers as a beam diagnostic for high current H{sup {minus}} beams. Because the threshold for photodetachment is only 0.75 eV, and the maximum detachment cross section is 4 {times} 10{sup {minus}17} cm{sup 2} at 1.5 eV, a 50 mJ/pulse Q-switched Nd:YAG laser can neutralize a significant fraction of… more
Date: May 5, 1998
Creator: Shafer, R. E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[News Script: Wright]

Description: Script from the WBAP-TV/NBC station in Fort Worth, Texas, relating a news story about the manufactures of warplanes by Convair Aerospace Corporation.
Date: June 5, 1973, 10:00 p.m.
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
open access

Magnetic field of a toroidal volume H sup minus source

Description: A volume H{sup {minus}} source has been constructed by Prelec at BNL. The magnetic field for this source has been calculated using the computer code PANDIRA. A comparison of the magnetic fields for two cases is presented. 5 refs., 6 figs., 1 tab.
Date: September 5, 1989
Creator: Meitzler, C.R.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Computer Wars]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story. This story aired at 5:30pm.
Date: August 5, 1990, 5:30 p.m.
Duration: 1 minute 59 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
open access

CSER 94-014: Storage of metal-fuel loaded EBR-II casks in concrete vault on PFP grounds

Description: A criticality safety evaluation is presented to permit EBR-2 spent fuel casks loaded with metallic fuel rods to be stored in an 8-ft diameter, cylindrical concrete vault inside the PFP security perimeter. The specific transfer of three casks with Pu alloy fuel from the Los Alamos Molten Plutonium Reactor Experiment from the burial grounds to the vault is thus covered. Up to seven casks may be emplaced in the casing with 30 inches center to center spacing. Criticality safety is assured by defini… more
Date: December 5, 1994
Creator: Hess, A. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Technical evaluation of the adequacy of station electric distribution system voltages for the R. E. Ginna Nuclear Power Station, Unit 1: selected issues program (Docket No. 50-244)

Description: This report documents the technical evaluation of the adequacy of the station electric distribution system voltages for the R.E. Ginna Nuclear Power Station, Unit 1. The evaluation is to determine if the onsite distribution system, in conjunction with the offsite power sources, has sufficient capacity to automatically start and operate all Class 1E loads within the equipment voltage ratings under certain conditions established by the Nuclear Regulatory Commission. The analysis submitted demonst… more
Date: November 5, 1981
Creator: Selan, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

[News Script: Bell officials test helicopter]

Description: Script from the WBAP-TV station in Fort Worth, Texas, covering a news story about Bell Aircraft Company testing the Navy's experimental XHSL helicopter that would eventually become the HSL-1 helicopter.
Date: November 5, 1953
Creator: WBAP-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Script
Partner: UNT Libraries Special Collections
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