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Progress Report for SNAP 4: July-September 1961

Description: Report describing the program objectives, program summary, summary developments status, development system (critical assembly), and component development progress (fuel) for Systems for Nuclear Auxiliary Power (SNAP) 4, a multipurpose compact nuclear power system, for the period July to September 1961.
Date: December 15, 1961
Creator: Flower, L. M.
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: November 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including modification made to the design of the carriage and cradle mechanisms for the refueling machine, manufacturing of the prototype adapter valve body which consists of sub-components welded together was completed, and a special assembly for the Heavy Water Components Test Reactor was fabricated to hold a large number of sample holders.
Date: December 20, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: October 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including installation of silver-impregnated graphite seals upon completion of cold-testing of the dynamic ball valve seal test package using Teflon seals, the starting of creep-rupture tests of two materials at three test temperatures, and the drafting and design progress of several scanning and heat transfer machines.
Date: November 20, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: September 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including work for continuing toward completion of the first prototype adapter valve, operation of the test packages for the Weatherhead quick disconnect, the Grayloc seal and clamping test, and the dynamic ball valve test, and completion of experimental work associated with the measurement of the diffusion coefficient, D, as a function of temperature in the Pressurized Subcritical Experiment.
Date: October 18, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: August 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including a study performed to establish the test requirements for determining D2O leakage within the refueling machine system, preliminary stress analysis on a simplified model of the housing components for the adapter valve, and further studies into the low pressure subcooled burnout correlation.
Date: September 22, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: July 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including the complete evaluation to select a six-tube on-power refueling machine supported on a single column carriage as a reference design, further analysis of this machine's problem areas and stability, and tests on high pressure heat transfer loops to test burnout.
Date: August 17, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: May 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including progress made in research and development areas such as requests to perform research and development on ultrasonic nondestructive testing technique of thin-wall Zircaloy sheathing, continued studies of various alternatives for complete compatibility of the AMD in-line refueling system with both the physical limitations, and the investigation of combinations of separate function tubes.
Date: June 21, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: June 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including research and development progress such as obtaining samples of a metallic impregnated elastomeric seal material, building of a wooden model to assist in packaging design, and contract modifications and negotiations with various institutions.
Date: July 19, 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: April 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including progress in research and development areas such as analyzing the compatibility of the AMF machine with the Douglas Point Plant, establishment of a test program, for critical component concepts, and activity on the design of the adapter valve as a critical component for the refueling machine.
Date: April 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: March 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including progress made in research and development areas such as presenting new recommendations for the zirconium development program, plans to study "Boiling Heat Transfer in Regimes of Low Heat Flux", and approvals for the procurement and erection of the test stands required to perform evaluational tests of seals and valve components.
Date: March 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: February 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including progress in the research and development areas on analyzation of varying moderator to fuel ratios, examination of four concentric natural uranium metal tubes, and fabrication of a high-pressure test section on burnout heat flux.
Date: February 1961
Partner: UNT Libraries Government Documents Department
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Heavy Water Power Reactor Program Monthly Report: January 1961

Description: Report documenting progress on the Heavy Water Power Reactor Program including progress in research and development areas such as the determination of the void coefficients associated with tubular fuel assemblies, measurement of the total coolant worth of these metal quatretubes, and observed data on pressure drops for boiling water.
Date: January 1961
Partner: UNT Libraries Government Documents Department
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Power Reactor Development Company Monthly Report: February 1961

Description: Monthly report describing activities and progress related to research and development at the Power Reactor Development Company.
Date: February 1961
Creator: Power Reactor Development Company
Partner: UNT Libraries Government Documents Department
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Power Reactor Development Company Monthly Report: January 1961

Description: Monthly report describing activities and progress related to research and development of Atomic Power Development Associates, Inc.
Date: January 1961
Creator: Power Reactor Development Company
Partner: UNT Libraries Government Documents Department
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Calibration of G.M. Counters For Direct Counting of Radon in the Atmosphere

Description: An experiment has been carried out for the direct calibration of a Geiger-counter immersed in a balloon containing a known concentration of radon in equilibrium with its daughters. A theory was developed for finding out the geometrical efficiency of the counter used in this way, and for checking the experimental results with theoretical efficiency. The counters calibrated in this way may be useful for the direct measurement of radon in uranium mines and may also be useful for monitoring radioac… more
Date: 1961
Creator: Shirvaikar, V. V. & Sachdev, R. N.
Partner: UNT Libraries Government Documents Department
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Seasonal Variations of Cesium-137 In The Ground Level Air

Description: An increase in the cesium-137 content of the ground level air has been observed at Bombay during the spring seasons of the years 1957 to 1960. and a similar increase has been observed at seven other stations in India during 1960. The ratio of cesium-137 to gross beta activity have also been studied.
Date: May 1961
Creator: Vohra, K. G.; Bhatnagar, V. S. & Rangarajan, C.
Partner: UNT Libraries Government Documents Department
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Cesium-137 and Strontium-90 in Milk

Description: Cesium-137 and strontium-90 levels in liquid milk samples from Bombay and 27 other stations in India, and powder milk samples from Australia, Denmark, Holland, India, U.K. and U.S.A/ have been estimated. The results of these measurements have been interpreted on the basis of the total injection of these isotopes in the atmosphere, their rate of fallout, and seasonal effects.
Date: January 1961
Creator: Vohra, K. G.; Mishra, U. C.; Joshi, C. W.; Lalit, B. Y. & Deshpande, A.S.
Partner: UNT Libraries Government Documents Department
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