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Transverse Periodic Beam Loading Effects in a Storage Ring

Description: Uneven beam fill patterns in storage rings, such as gaps in the fill patterns, leads to periodic, or transient loading of the modes of the RF cavities. We show that an analogous effect can occur in the loading of a dipole cavity mode when the beam passes off the electrical center of the cavity mode. Although this effect is small, it results in a variation of the transverse offset of the beam along the bunch train. For ultralow emittance beams, such as optimized third generation light sources an… more
Date: May 4, 2009
Creator: Thompson, J.R. & Byrd, J.M.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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New Manufacturing Method for Paper Filler and Fiber Material

Description: The use of fillers in printing and writing papers has become a prerequisite for competing in a global market to reduce the cost of materials. Use of calcium carbonates (ranging from 18% to 30%) as filler is a common practice in the paper industry but the choices of fillers for each type of papers vary widely according to its use. The market for uncoated digital printing paper is one that continues to introduce exciting growth projections and it is important to understand the effect that differe… more
Date: June 26, 2011
Creator: Doelle, Klaus
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Strength of thin-web beams with transverse load applied at an intermediate upright

Description: "Results are presented of tests of several 24S-T aluminum-alloy thin-web beams with transverse load applied at the end of an intermediate upright. A method of computing stresses and predicting failures in these directly loaded uprights is presented. A comparison between the experimental and calculated results is given" (p. 1).
Date: February 1948
Creator: Levin, L. Ross
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Pressure Distribution Over the Wings and Tail Surfaces of a PW-9 Pursuit Airplane in Flight

Description: This report presents the results of an investigation to determine (1) the magnitude and distribution of aerodynamic loads over the wings and tail surfaces of a pursuit-type airplane in the maneuvers likely to impose critical loads on the various subassemblies of the airplane structure, (2) To study the phenomenon of center of pressure movement and normal force coefficient variation in accelerated flight, and (3) to measure the normal accelerations at the center of gravity, wing-tip, and tail, i… more
Date: February 3, 1930
Creator: Rhode, Richard V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Calculated and Measured Stresses in Simple Panels Subject to Intense Random Acoustic Loading Including the Near Noise Field of a Turbojet Engine

Description: "Flat 2024-T3 aluminum panels measuring 11 inches by 13 inches were tested in the near noise fields of a 4-inch air jet and turbojet engine. The stresses which were developed in the panels are compared with those calculated by generalized harmonic analysis. The calculated and measured stresses were found to be in good agreement. In order to make the stress calculations, supplementary data relating to the transfer characteristics, damping, and static response of flat and curved panels under peri… more
Date: June 3, 1957
Creator: Lassiter, Leslie W. & Hess, Robert W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Flight measurements of wing loads on the Convair XF-92A delta-wing airplane

Description: Report presenting a flight investigation at a range of altitudes to determine the wing loads on the Convair XF-92A airplane over the lift range of the airplane at subsonic and transonic speeds. Theoretical lift-curve slope for a delta wing was calculated and compared with the flight data at a Mach number of 0.75.
Date: May 25, 1955
Creator: Kuhl, Albert E. & Johnson, Clinton T.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Design review report for the MCO loading system

Description: This design report presents the design of the MCO Loading System. The report includes final design drawings, a system description, failure modes and recovery plans, a system operational description, and stress analysis.
Date: June 23, 1997
Creator: Brisbin, S. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

The Creep of Laminated Synthetic Resin Plastics

Description: "The long-time loading strength of a number of laminated synthetic resin plastics was ascertained and the effect of molding pressure and resin content determined. The best value was observed with a 30 to 40 percent resin content. The long-time loading strength also increases with increasing molding pressure up to 250 kg/cm(exp 2); a further rise in pressure affords no further substantial improvement" (p. 1)..
Date: November 1941
Creator: Perkuhn, H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Estimation of Seismic Load Demand for a Wind Turbine in the Time Domain: Preprint

Description: Turbines installed in seismically active regions such as the Pacific Rim or the Mediterranean must consider loads induced by base shaking from an earthquake. To account for this earthquake risk, current International Electrotechnical Commission (IEC) certification requirements provide a simplified method for calculating seismic loads which is intended to be conservative. Through the addition of capabilities, it is now possible to simulate earthquake loading of a wind turbine in conjunction othe… more
Date: March 1, 2010
Creator: Prowell, I.; Elgamal, A.; Uang, C. & Jonkman, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Loads experienced in flights of two swept-wing research airplanes in the angle-of-attack range of reduced stability

Description: Report presenting load measurements using the swept-wing Bell X-5 and Douglas D-558-II research airplanes during flights in which reductions of longitudinal stability were experienced when pilots attempted to perform routine test maneuvers at moderate values of lift. Results regarding the maximum angles of attack and sideslip measured, pitching accelerations, horizontal-tail loads, wing loads, and stability deficiencies are provided.
Date: June 5, 1953
Creator: Robinson, Glenn H.; Drake, Hubert M. & Kuhl, Albert E.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department

[A loading dock at a warehouse]

Description: Photograph of the loading dock of a warehouse. The dock is elevated above street level, and is make of concrete that is broken in some areas. Cardboard boxes that are labeled "TORTILLA CHIPS" are stacked into three rows, one of them having fallen off of the dock and onto the street. Empty pallets are leaned up against the wall next to, and behind, these boxes. The wall is made of cinderblock and reads "...OD VEGETABLES SPECIALTIES, POUL... FR," etc... The roof of the dock has two rectangular wi… more
Date: [1980..]
Creator: Williams, Byrd M. (Byrd Moore), IV, 1951-
Item Type: Refine your search to only Photograph
Partner: UNT Libraries Special Collections
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Tritium Loading of Pinellas U-Bed No. 874

Description: The DOE-Richland Office has requested WSRC to supply PNNL with a Pinellas U-bed loaded with tritium for permeation experiments. It is desired to have less than 1000 Ci tritium in the bed to allow shipping without excessive packaging requirements. Pinellas U-Bed No. 874 was loaded with approximately 955 Ci of 98 percent purity tritium on the ETM manifold in the Materials Test Facility in Building 232-H.
Date: September 15, 1999
Creator: Shanahan, K. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Modelling off Hugoniot Loading Using Ramp Compression in Single Crystal Copper

Description: The application of a ramp load to a sample is a method by which the thermodynamic variables of the high pressure state can be controlled. The faster the loading rate, the higher the entropy and higher the temperature. This paper describes moleculer dynamics (MD) simulations with 25 million atoms which investigate ramp loading of single crystal copper. The simulations followed the propagation of a 300ps ramp load to 3Mbar along the [100] direction copper. The simulations were long enough to allo… more
Date: November 29, 2010
Creator: Hawreliak, J.; Remington, B. A.; Lorenzana, H.; Bringa, E. & Wark, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Characterization of BMS-8-212 for use in penetration simulations

Description: BMS 8-212 lamina properties for use in the computational modeling of aircraft shielding systems were determined in this study. The carbon-reinforced BMS 8-212 composite layups that were tested were unidirectional 0.351-inch thick (45 ply) flat panels. The mechanical responses of the flat panel unidirectional specimens were assumed to be representative of the behavior of the matrix dominated compressive BMS 8-212 lamina responses in the transverse and normal directions. The rate sensitivity of t… more
Date: October 25, 2007
Creator: Kay, G.; Urabe, D.; Shields, A. & DeTeresa, S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Safety evaluation for packaging (onsite) for cesium chloride capsules with type W overpacks

Description: This Safety Evaluation for Packaging (SEP) documents the evaluation of a new basket design and overpacked cesium chloride capsule payload for the Beneficial Uses Shipping System (BUSS) Cask in accordance with the onsite transportation requirements of the Hazardous Material Packaging and Shipping manual, WHC-CM-2-14. This design supports the one-time onsite shipment of 16 cesium chloride capsules with Type W overpacks from the 324 Building to the 224T Building at the Waste Encapsulation and Stor… more
Date: September 15, 1997
Creator: McCoy, J. C.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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