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Irradiation experience with HTGR fuels in the Peach Bottom Reactor
Fuel performance in the Peach Bottom High-Temperature Gas-Cooled Reactor (HTGR) is reviewed, including (1) the driver elements in the second core and (2) the test elements designed to test fuel for larger HTGR plants. Core 2 of this reactor, which is operated by the Philadelphia Electric Company, performed reliably with an average nuclear steam supply availability of 85 percent since its startup in July 1970. Core 2 had accumulated a total of 897.5 equivalent full power days (EFPD), almost exactly its design life-time of 900 EFPD, when the plant was shut down permanently on October 31, 1974. Gaseous fission product release and the activity of the main circulating loop remained significantly below the limits allowed by the technical specifications and the levels observed during operation of Core 1. The low circulating activity and postirradiation examination of driver fuel elements have demonstrated the improved irradiation stability of the coated fuel particles in Core 2. Irradiation data obtained from these tests substantiate the performance predictions based on accelerated tests and complement the fuel design effort by providing irradiation data in the low neutron fluence region.
Date:
November 1, 1974
Creator:
Scheffel, W. J. & Scott, C. B.
System:
The UNT Digital Library
Workshop on environmental aspects of geothermal resources development
The workshop is divided into the following subjects: water quality, air quality, biological impact, hazards, environmental impact evaluation, and land use and socio-economic impact. Individual problems in each subject area are evaluated by the following criteria: probability of occurrence, seriousness of consequences, resource applicability, time urgency for new research, and researchability for new research. Recommended approaches to solution are given for each problem. Minority statements are given in some cases. (MHR)
Date:
November 22, 1974
Creator:
Anderson, D. N. & Bowen, R. G.
System:
The UNT Digital Library
Structurally integrated steel solar collector development
None
Date:
November 24, 1974
Creator:
Moore, S.W.
System:
The UNT Digital Library
Magma-Tap: the ultimate geothermal energy program
None
Date:
November 1, 1974
Creator:
Colp, J. L.
System:
The UNT Digital Library
Leaching of primary sulfide ores in sulfuric acid solutions at elevated temperatures and pressures
None
Date:
November 14, 1974
Creator:
Leach, D. L. & Braun, R. L.
System:
The UNT Digital Library
Calculation of rotational nonequilibrium in a pulsed hf laser
None
Date:
November 15, 1974
Creator:
Creighton, J. R. & Pearson, R. K.
System:
The UNT Digital Library
Micro versus minis in a laboratory environment
None
Date:
November 1, 1974
Creator:
Fisher, E.R.
System:
The UNT Digital Library
Superconducting synchrotron-storage ring (ESCAR)
None
Date:
November 13, 1974
Creator:
Byrns, R.; Elioff, T.; Gilbert, W.; Green, M.; Hartwig, E.; Lambertson, G. et al.
System:
The UNT Digital Library
Laser driven implosion of hollow pellets
None
Date:
November 1, 1974
Creator:
Nuckolls, J.; Lindl, J.; Mead, W.; Thiessen, A.; Wood, L. & Zimmerman, G.
System:
The UNT Digital Library
Scintillation response of a single lithium fluoride crystal
None
Date:
November 21, 1974
Creator:
Kloepping, R.J.
System:
The UNT Digital Library
Exotic Particles as Probes of Nuclear Structure: A Review
None
Date:
November 1, 1974
Creator:
Eisenstein, R. A.
System:
The UNT Digital Library
Project Rio Blanco: project scientist's summary report of production test data and preliminary analysis of top chimney/cavity
None
Date:
November 1, 1974
Creator:
Toman, J.
System:
The UNT Digital Library
Nuclear detection instrumentation for RSP measurements with the FFTF engineering mockup core
None
Date:
November 26, 1974
Creator:
Mathis, M. V.; De Lorenzo, J. T.; Chiles, M. M. & Mihalczo, J. T.
System:
The UNT Digital Library
Laser isotope separation
None
Date:
November 1, 1974
Creator:
Dubrin, J. W.
System:
The UNT Digital Library
Production of radioisotopes for use in nuclear medicine
None
Date:
November 1, 1974
Creator:
Yano, Y.; Chu, P.; Hemphill, W. P.; Larimer, R. M. & Harrington, H. J.
System:
The UNT Digital Library
Current knowledge of the interactions of relativistic heavy ions
None
Date:
November 1, 1974
Creator:
Heckman, H.H.
System:
The UNT Digital Library
NaI(Tl)--Ge(Li) coincidence gamma-ray spectrometry for radionuclide analysis of environmental samples
None
Date:
November 1, 1974
Creator:
Brauer, F P; Kaye, J H & Fager, J E
System:
The UNT Digital Library
Analysis of high energy heavy-ion transfer reactions
None
Date:
November 1, 1974
Creator:
Scott, D.K.
System:
The UNT Digital Library
Microprocessors in computing
None
Date:
November 20, 1974
Creator:
Maples, M. D.
System:
The UNT Digital Library
Electron rings: measured properties and future applications
None
Date:
November 1, 1974
Creator:
Keefe, D.
System:
The UNT Digital Library
Proceedings of summer institute on particle physics, July 29--August 10, 1974. Volume II. The strong interactions
None
Date:
November 1, 1974
Creator:
Zipf, M.C. (ed.)
System:
The UNT Digital Library
Recent developments in the description of odd-mass nuclei
None
Date:
November 1, 1974
Creator:
Meyer, R. A.
System:
The UNT Digital Library
Laser plasma experiments relevant to laser produced implosions
None
Date:
November 1, 1974
Creator:
Ahlstrom, H. G.; Holzrichter, J. F.; Manes, K. R.; Coleman, L. W.; Speck, D. R.; Haas, R. A. et al.
System:
The UNT Digital Library
Application of the fault tree technique to a nuclear reactor containment system
None
Date:
November 13, 1974
Creator:
Cummings, G. E.
System:
The UNT Digital Library