UNT Libraries Government Documents Department - 17 Matching Results

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Effect of Routing Upon Temperature of Cooling Stream

Description: With discussion under way concerning power production by chain reacting piles, it becomes pertinent to consider the ration of the temperature of the hottest spot in the pile to the average exit temperature of the cooling stream. This is important because the temperature of the hottest spot in the pile is one of the limiting factors in determining the maximum power at which a pile can be operated. However, the higher the temperature of the emerging cooling stream, the more efficient can be the t… more
Date: February 14, 1946
Creator: Cahn, Albert S., Jr.
Item Type: Refine your search to only Report
open access

Pile Heat Exchanger Calculations

Description: Abstract. Some idealized calculations (CP-807) relating to the design of heat exchangers for minimum holdup of pile liquid are presented in compact form to facilitate quick estimates. Their use is illustrated by application to a falling film type exchanger.
Date: February 14, 1945
Creator: Young, Gale Jay
Item Type: Refine your search to only Report
open access

The Pile Safety Circuit

Description: The present report is concerned with the electronic relay which, upon the reaching of a pre-determined value of ionization current in the associated chamber, actuates the safety rod release mechanism. The are here proposed two independent suggestions: (1) An improved trip circuit of such sensitivity and stability as to allow it to be actuated by a signal directly from the chamber without the necessity of interposing intermediate amplifier stages. The value of chamber current at which tripping … more
Date: April 14, 1944
Creator: Nierman, Leonard G.
Item Type: Refine your search to only Report
open access

Calculation of the Temperature Distribution in a Slug With a Solid Aluminum Cap

Description: Calculations were made to determine the temperature at various points of a thick disc and cap, on the assumptions that the heat production rate is uniform throughout the slug and that the slug is in perfect thermal contact with the cap. Results obtained by different methods of computation are compared with each other and with results obtained by Drew on the Paschkis electrical network computer at Columbia University.
Date: April 14, 1944
Creator: Murray, F. H.; Karush, William; Ginsburg, M. & Young, G.
Item Type: Refine your search to only Report
open access

Metallurgical Laboratory, Chemical Research - Radiation Chemistry, Report for the Month Ending June 30, 1944

Description: Technical report with short reports on (1) P-9 recovery from UO2F2 solution; (2) Correlation of theories on action of radiation on matter; (3) Literature surveys on organic compounds and on chemistry of UO2F2; (4) effect of radiation on organic compounds; and (5) Effect of radiation on 100 area construction materials.
Date: July 14, 1944
Creator: Hogness, T. R. (Thorfin Rusten), 1894- & Burton, Milton, 1902-
Item Type: Refine your search to only Report
open access

The Bragg Reflection of Neutrons by a Single Crystal

Description: From cover page: This document has been assigned the above MDDC (Manhattan District Declassification) number, as given in the List of Declassified Documents issued semi-monthly by the Research Division, Manhattan District. In the case of Los Alapnos reports, LADC (Los Alamos Declassification) numbers are listed on the title page if known. This declassified document may differ materially from the original classified document by reason of deletions necessary to accomplish declassification. Hence,… more
Date: June 14, 1946
Creator: Zinn, Walter H.
Item Type: Refine your search to only Report
open access

Analysis of cooling limitations and effect of engine-cooling improvements on level-flight cruising performance of four-engine heavy bomber

Description: From Introduction: "The difficulties experienced in cooling the exhaust-valve seats of the rear-row cylinders have been overcome to a considerable extent by improving the mixture distribution through application of the injection impeller (reference 1) and by augmenting the flow of cooling air to the critical baffles (reference 2). Flight tests of this airplane (reference 3) indicated that the temperatures of exhaust-valve seats on rear-row cylinders were markedly lowered by these modifications … more
Date: March 14, 1946
Creator: Marble, Frank E.; Miller, Marlon A. & Bell, E. Barton
Item Type: Refine your search to only Report

Newsmap for the Armed Forces : End of a myth

Description: Front: The text highlights the methods by which Japan adopted democractic principals after the war ended. Map: a typical Japanese village on Echigo Plain. Photographs: Images of Hirohito dressed in royal robes and Western style clothing Back: The 1946 calendar. Phrase: Soldiers' deposits pay 4% interest : see your personnel officer.
Date: January 14, 1946
Creator: [United States.] Army Information Branch.
Item Type: Refine your search to only Poster

Newsmap. For the Armed Forces. 257th week of the war, 139th week of U.S. participation

Description: Front: Text describes action on various war fronts : France, eastern front, Marianas, Bonins, Southeast Asia, Southwest Pacific, Italy Maps: Southwest Pacific; France. Insets: Far east; France. Photographs: [Soldier voting policy]; Burma road in China. Back: Silence means security.
Date: August 14, 1944
Creator: [United States.] Army Service Forces. Army Information Branch.
Item Type: Refine your search to only Poster

Newsmap. Monday, June 14, 1943 : week of June 3 to June 10, 196th week of the war, 78th week of U.S. participation

Description: Front: Text describes action on various war fronts: Plans, Russia, Italy, Far East, Southwest Pacific, Argentina. Maps: The Eastern Front; large world map shows United Nations, Axis and Axis occupied areas, countries with Axis relations broken, and neutral countries. Photographs: Gangway, I'm a choo choo train [Army jeep pulls a freight car] -- Member of Chinese Expeditionary Force trains at a U.S. Army base in India -- Soldiers move material into place to build a bridge -- Chinese soldier si… more
Date: June 14, 1943
Creator: [United States.] Army Orientation Course.
Item Type: Refine your search to only Poster

Newsmap. Monday, December 14, 1942 : week of December 4 to December 11

Description: Front: Text describes action on various war fronts: New Guinea, Solomons, Pearl Harbor, Tunisia, Libya, Dakar, Toulon, Italy, Russia, France. Large world map is keyed to text and illustrates time zones around the world. Includes inset maps: Dakar; Northeast Tunisia; Tripoli and environs; Russian Front; Guadalcanal Island; Bougainville Island; New Britain Photographs: Convoy to Africa; Advance to Tunisia; Street scene: French Morocco Back: The text entitled "Antiaircraft artillery" des… more
Date: December 14, 1942
Creator: [United States.] Army Orientation Course.
Item Type: Refine your search to only Poster
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