The Heat Capacity of Thorium Dioxide from 10 to 3050K. The Heat Capacity Anomalies in Uranium Dioxide and Neptunium Dioxide

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ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Heat Capacity of Thorium Dioxide from 10 to 3050K. The Heat Capacity Anomalies in Uranium Dioxide and Neptunium Dioxide by : Darrell W. Osborne

Download or read book The Heat Capacity of Thorium Dioxide from 10 to 3050K. The Heat Capacity Anomalies in Uranium Dioxide and Neptunium Dioxide written by Darrell W. Osborne and published by . This book was released on 1953 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Heat Capacity of Thorium Dioxide from 10 to 305 ̊K.

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ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (113 download)

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Book Synopsis The Heat Capacity of Thorium Dioxide from 10 to 305 ̊K. by : Darrell W. Osborne

Download or read book The Heat Capacity of Thorium Dioxide from 10 to 305 ̊K. written by Darrell W. Osborne and published by . This book was released on 1953 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The heat capacity of thorium dioxide was determined from 10 to 305K in an adiabatic calorimeter. As expected, no anomaly was observed in the heat capacity.

Bibliography of Publications by Members of the Several Faculties of the University of Michigan

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ISBN 13 :
Total Pages : 1464 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Bibliography of Publications by Members of the Several Faculties of the University of Michigan by : University of Michigan. Office of Research Administration

Download or read book Bibliography of Publications by Members of the Several Faculties of the University of Michigan written by University of Michigan. Office of Research Administration and published by . This book was released on 1923 with total page 1464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Entropy and Low Temperature Heat Capacity of Neptunium Dioxide

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Total Pages : 36 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Entropy and Low Temperature Heat Capacity of Neptunium Dioxide by : Edgar F. Westrum

Download or read book The Entropy and Low Temperature Heat Capacity of Neptunium Dioxide written by Edgar F. Westrum and published by . This book was released on 1952 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The heat capacity of a two-gram sample of neptunium dioxide was determined from 10 to 315 degrees K in an adiabatic calorimeter. At 298.16 degrees K, the molal entropy and enthalpy calculated from the heat capacity data are 19.19 (plus or minus) 0.1 cal degree (exp -1) and 2770 (plus or minus) 15 cal, respectively. A pronounced hump was found in the heat capacity curve of neptunium dioxide at 25.3 degrees K similar to that found by Long, Jones, and Gordon in uranium dioxide at 28.6 degrees K. This anomaly in the heat capacity is suggestive of a cooperative phenomenon and is attributed to the incidence of antiferromagnetism below the temperature of the maximum in the heat capacity. A calorimeter for gram-scale samples and a modification of the cryostat design of Ruehrwein and Huffman so as to employ only liquid helium and liquid nitrogen as refrigerants are described.

Bibliography of Publications by Members of the Several Faculties of the University of Michigan

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ISBN 13 :
Total Pages : 464 pages
Book Rating : 4.4/5 (91 download)

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Book Synopsis Bibliography of Publications by Members of the Several Faculties of the University of Michigan by : University of Michigan. Office of Research Administration

Download or read book Bibliography of Publications by Members of the Several Faculties of the University of Michigan written by University of Michigan. Office of Research Administration and published by . This book was released on 1953 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Thermodynamic Properties of Thorium Tetrafluoride from 5 to 3000K., and the Magnetic Entropy of Uranium Tetrafluoride

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Total Pages : 20 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Thermodynamic Properties of Thorium Tetrafluoride from 5 to 3000K., and the Magnetic Entropy of Uranium Tetrafluoride by : H. R. Lohr

Download or read book Thermodynamic Properties of Thorium Tetrafluoride from 5 to 3000K., and the Magnetic Entropy of Uranium Tetrafluoride written by H. R. Lohr and published by . This book was released on 1954 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Development and Test of a Method for the Simultaneous Measurement of Heat Capacity and Thermal Diffusivity by Laser-flash Technique at Very High Temperatures

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Total Pages : pages
Book Rating : 4.:/5 (594 download)

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Book Synopsis Development and Test of a Method for the Simultaneous Measurement of Heat Capacity and Thermal Diffusivity by Laser-flash Technique at Very High Temperatures by : Manuela Musella

Download or read book Development and Test of a Method for the Simultaneous Measurement of Heat Capacity and Thermal Diffusivity by Laser-flash Technique at Very High Temperatures written by Manuela Musella and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Cohesive Energy of Uranium Dioxide and Thorium Dioxide

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Total Pages : 24 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis The Cohesive Energy of Uranium Dioxide and Thorium Dioxide by : Atomic Energy of Canada Limited

Download or read book The Cohesive Energy of Uranium Dioxide and Thorium Dioxide written by Atomic Energy of Canada Limited and published by . This book was released on 1958 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characteristics of a Mixed Thorium - Uranium Dioxide High-Burnup Fuel

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Total Pages : pages
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Book Synopsis Characteristics of a Mixed Thorium - Uranium Dioxide High-Burnup Fuel by :

Download or read book Characteristics of a Mixed Thorium - Uranium Dioxide High-Burnup Fuel written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Future nuclear fuel must satisfy three sets of requirements: longer times between refueling; concerns for weapons proliferation; and development of a spent fuel form more suitable for direct geologic disposal. This project has investigated a fuel consisting of mixed thorium and uranium dioxide to satisfy these requirements. Results using the SCALE 4.3 code system indicated that the mixed Th-U fuel could be burned to 72 MWD/kg or 100 MWD/kg using 25% and 35% UO2 respectively. The uranium remained below 20 % total fissile fraction throughout the cycle, making it unusable for weapons. Total plutonium production per MWD was a factor of 4.5 less in the Th-U fuel than in the conventional fuel; Pu-239 production per MWD was a factor of 6.5 less; and the plutonium produced was high in Pu-238, leading to a decay heat 5 times greater than that from plutonium derived from conventional fuel and 40 times greater than weapons grade plutonium. High decay heat would require active cooling of any crude weapon, lest the components surrounding the plutonium be melted. Spontaneous neutron production for plutonium from Th-U fuel was 2.3 times greater than that from conventional fuel and 15 times greater than that from weapons grade plutonium. High spontaneous neutron production drastically limits the probable yield of a crude weapon. Because ThO2 is the highest oxide of thorium, while UO2 can be oxidized further to U3O8, ThO2- UO2 fuel may be a superior wasteform if the spent fuel is ever to be exposed to oxygenated water. Even if the cost of fabricating the mixed Th-U fuel is $100/kg greater, the cost of the Th-U fuel is 13% to 25% less than that of the fuels using uranium only.