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455 Matching Results

Start Over Year 1983 Day 13th Language English

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(open access)

Neutral beam injector for 475 keV MARS sloshing ions

A neutral beam injector system which produces 5 MW of 475 keV D/sup 0/ neutrals continuously on target has been designed. The beamline is intended to produce the sloshing ion distribution required in the end plug region of the conceptual MARS tandem mirror commercial reactor. The injector design utilizes the LBL self-extraction negative ion source and Transverse Field Focusing (TFF) accelerator to generate a long, ribbon ion beam. A laser photodetachment neutralizer strips over 90% of the negative ions. Magnetic and neutron shield designs are included to exclude the fringe fields of the end plug and provide low activation by the neutron flux from the target plasma. The use of a TFF accelerator and photodetachment neutralizer produces a total system electrical efficiency of about 63% for this design.

Date: December 13, 1983

Creator: Goebel, D.M. & Hamilton, G.W.

Object Type: Report

System: The UNT Digital Library

(open access)

Sensitivity and uncertainty investigations for Hiroshima dose estimates and the applicability of the Little Boy mockup measurements

This paper describes sources of uncertainty in the data used for calculating dose estimates for the Hiroshima explosion and details a methodology for systematically obtaining best estimates and reduced uncertainties for the radiation doses received. (ACR)

Date: September 13, 1983

Creator: Bartine, D. E. & Cacuci, D. G.

Object Type: Article

System: The UNT Digital Library

captions transcript

[News Clip: Air Canada]

Video footage from the WBAP-TV station in Fort Worth, Texas, to accompany a news story about testimonies before a Washington D.C. subcommittee concerning the Air Canada DC-9 fire in June 1983. This story includes footage of survivor and Dallas area mechanical engineer Roy Grubbs speaking about his disbelief concerning the rumor that the fire was caused by a cigarette. This story aired at 5:00 P.M.

Date: July 13, 1983

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

(open access)

[Minutes for the TXSSAR Board of Managers Meeting: March 13, 1983]

Minutes from a meeting of the TXSSAR Board of Managers, held on March 13, 1983, in Houston, Texas, including a summary of activities and business discussed. The meeting was called to order and presided by President Tumey, guests and new members of the Board were introduced and welcomed.

Date: March 13, 1983

Creator: Sons of the American Revolution. Texas Society.

Object Type: Text

System: The UNT Digital Library

captions transcript

[News Clip: Cardio center]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: March 13, 1983, 10:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

(open access)

Quark search at the CBA

An experiment to search for quarks at the CBA is described. The cross sections for the production of massive quark-antiquark pairs in nucleon-nucleon interactions is estimated, and the experimental design and procedures are described. (WHK)

Date: March 13, 1983

Creator: Larsen, R.C.; Leipuner, L.B.; Morse, W.M.; Adair, R.K.; Kasha, H. & Schmidt, M.P.

Object Type: Report

System: The UNT Digital Library

(open access)

Charged-hadron production in e/sup +/e/sup -/ collisions at PEP with the TPC

We have studied hadron production in e/sup +/e/sup -/ annihilation at 29 GeV center of mass energy. We have measured the particle fractions and particle separated differential cross sections using the PEP-4 (Time Projection Chamber) detector. The particles were identified by measuring their ionization energy loss (dE/dx). The pion fraction decreases from above 90% at 400 MeV/c to 55% at 6 GeV/c. Our results for kaon production require that a large number of kaons are produced by strange quarks pulled from the vacuum. We have also measured R, the ratio of the total hadronic cross section to the mu pair cross section. Our value for R is 3.7 with an uncertainty of 10%. This value is in agreement with the results of other experiments and with the predictions of the quark-parton model.

Date: May 13, 1983

Creator: Hadley, N.J.

Object Type: Report

System: The UNT Digital Library

(open access)

Impact analyses after pipe rupture. [PWR; BWR]

Two of the French pipe whip experiments are reproduced with the computer code WIPS. The WIPS results are in good agreement with the experimental data and the French computer code TEDEL. This justifies the use of its pipe element in conjunction with its U-bar element in a simplified method of impact analyses.

Date: December 13, 1983

Creator: Chun, R. C. & Chuang, T. Y.

Object Type: Article

System: The UNT Digital Library

(open access)

MFTF: a computer program for calculating the MARS mode operating parameters for the axicell MFTF-B

We describe the models used to calculate the equilibrium operating point for the MARS mode of the axicell MFTF-B, and present the model equations necessary to calculate the plasma and potential parameters in the central-cell, axicell, and anchor regions. In addition, we calculate the neutral beam, rf power, and gas inputs required to sustain the plasma and maintain the ion and electron-particle energy balance. After a brief description of the MFTF code, we present the results of a sample calculation using MFTF.

Date: January 13, 1983

Creator: Jong, R.A.

Object Type: Report

System: The UNT Digital Library

(open access)

Detonation E. O. S. patterns for several explosives

The available overdriven shockwave data for a number of explosives have been analyzed and compared. The data follow neither a constant gamma pattern nor the JWL EOS that fits expansion data to high accuracy. Modifications of the JWL function are proposed to correct for discrepancies and also to allow for the appropriate volume dependence of the Grueneisen constant indicated by previous and more recent work. The deviations from the JWL form of the equation of state appear directly above the CJ point for 9404 and PETN while Pentolite and TNT agree with this form over a portion of the Hugoniot. The comparisons with other experiments and a theoretical EOS indicate nonequilibrium behavior.

Date: July 13, 1983

Creator: Green, L.; Lee, E.L.; Mitchell, A.C.; Ree, F.; Tipton, R. & van Thiel, M.

Object Type: Article

System: The UNT Digital Library

captions transcript

[News Clip: Arts district]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: January 13, 1983, 6:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

captions transcript

[News Clip: Grand Prairie restaurants]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: February 13, 1983, 10:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

captions transcript

[News Clip: Techniphobia]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: January 13, 1983, 5:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

captions transcript

[News Clip: Tax credit]

Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: May 13, 1983, 6:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

captions transcript

[News Clip: Coppell]

B-roll video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.

Date: January 13, 1983, 10:00 p.m.

Creator: KXAS-TV (Television station : Fort Worth, Tex.)

Object Type: Video

System: The UNT Digital Library

(open access)

The Cherokeean. (Rusk, Tex.), Vol. 133, No. 48, Ed. 1 Thursday, January 13, 1983

Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.

Date: January 13, 1983

Creator: unknown

Object Type: Newspaper

System: The Portal to Texas History

(open access)

The Cherokeean. (Rusk, Tex.), Vol. 134, No. 35, Ed. 1 Thursday, October 13, 1983

Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.

Date: October 13, 1983

Creator: unknown

Object Type: Newspaper

System: The Portal to Texas History

(open access)

Texas Register, Volume 8, Number 33, Pages 1581-1616, May 13, 1983

A weekly publication, the Texas Register serves as the journal of state agency rulemaking for Texas. Information published in the Texas Register includes proposed, adopted, withdrawn and emergency rule actions, notices of state agency review of agency rules, governor's appointments, attorney general opinions, and miscellaneous documents such as requests for proposals. After adoption, these rulemaking actions are codified into the Texas Administrative Code.

Date: May 13, 1983

Creator: Texas. Secretary of State.

Object Type: Journal/Magazine/Newsletter

System: The Portal to Texas History