Zobrazeno 1 - 10 of 12 pro vyhledávání: '"John M. Christenson"'
1
Application of preconditioned transpose-free quasi-minimal residual method for two-group reactor kinetics
Autor: John M. Christenson, G.S. Chen, D.Y. Yang
Publikováno v: Annals of Nuclear Energy. 24:339-359
Two preconditioned transpose-free quasi-minimal residual methods (TFQMR) (Freund, SIAM J. Sci. Stat. Comput. 14, 470 1993) and quasi-minimal residual variant of the biconjugate gradient stabilized algorithm (QMRCGSTAB) (Chan et al., SIAM J. Sci. Stat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e9a9a63c28b2b8c4053fe12c2cb33d68
https://doi.org/10.1016/s0306-4549(96)00036-9
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2
An Investigation of the Temporal Subdomain Method for Solving the Finite Element Formulation of the Space-Time Reactor Kinetics Equations
Autor: Haluk Utku, John M. Christenson
Publikováno v: Nuclear Science and Engineering. 116:55-66
The temporal subdomain method (TSM), based on a spatial finite element formulation, is investigated as a method for the solution of the space-time-dependent multigroup neutron dynamics equations. The spatial aspect of the problem was formulated as an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1a0ea970dee6017625043f9bdab128d
https://doi.org/10.13182/nse94-a21481
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3
BWR Assembly Optimization for Minor Actinide Recycling
Autor: John M. Christenson, J.P. Renier, G. Ivan Maldonado, J. Casal, T.F. Marcille
The Primary objective of the proposed project is to apply and extend the latest advancements in LWR fuel management optimization to the design of advanced boiling water reactor (BWR) fuel assemblies specifically for the recycling of minor actinides (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7247fe00b750254972c4710d29c68495
https://doi.org/10.2172/978472
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6
Identification and Analysis of Critical Gaps in Nuclear Fuel Cycle Codes Required by the SINEMA Program
Autor: John M. Christenson, Santosh Bhatt, Joshua Valentine, Mary Lou Dunzik-Gougar: Michael Lineberry, Adrian Miron, Majd Hawwari
The current state of the art in nuclear fuel cycle (NFC) modeling is an eclectic mixture of codes with various levels of applicability, flexibility, and availability. In support of the advanced fuel cycle systems analyses, especially those by the Adv
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2cd1e80ed848855316bc2b03cde81455
https://doi.org/10.2172/967178
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8
Post-Shutdown Fission-Product Decay Heating for Plutonium-239-Fueled Fast Reactors
Autor: John M. Christenson, Richard Sporrer
Publikováno v: Nuclear Technology. 25:440-449
Fission-product decay heat rates in shutdown 239Pu-fueled fast reactors are determined by direct calculation using a modified version of the CINDER code with a fission-product library of 344 nuclid...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::35961ba261c9dcf57d1907acfb9bbd22
https://doi.org/10.13182/nt75-a24382
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9
Lesion detectability as a function of pulse-height selection for dynamic imaging with 99mTc
Autor: John M. Christenson, Gregory L. Dubuque, James G. Kereiakes
Publikováno v: Medical physics. 2(6)
Previous studies on pulse-height selection for scintillation cameras have been concerned with static imaging or asymmetric window settings around the photo peak. For count densities typical of those encountered in flow studies and for the customary s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e03bff5bf9c76468e05582b0af73f654
https://pubmed.ncbi.nlm.nih.gov/1196263
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