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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.
Partner: UNT Libraries Government Documents Department
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Metallurgical Laboratory, Nuclear Physics Division, Report for the Month Ending May 25, 1944

Description: Technical report with short reports from the (1) Experimental Nuclear Physics Group; (2) Theoretical Physics Group ; (3) Lattice Design Group; (4) Pile Design Group; (5) Exponential Experimental Group; (6) Radiation Group; and (7) Shielding Group.
Date: June 14, 1944
Creator: Fermi, Enrico, 1901-1954
Partner: UNT Libraries Government Documents Department
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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.
Partner: UNT Libraries Government Documents Department
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
Partner: UNT Libraries Government Documents Department
open access

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.
Partner: UNT Libraries Government Documents Department
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