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Accelerated iteration schemes for transonic flow calculations using fast Poisson solvers

Description: Results obtained by using a fast Poisson solver to accelerate the rate of convergence of the iterative scheme are described. A fast iterative method for transonic flow calculations is formulated first, and then application is made to the transonic potential flow equation in a mapped domain. It is concluded that the use of a fast elliptic solver in combination with relaxation is an effective way to accelerate the convergence of transonic flow calculations, particularly when a marching scheme can… more
Date: March 1, 1975
Creator: Jameson, A
Item Type: Refine your search to only Report
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Analysis of fuel behavior during reactivity initiated accidents

Description: An analysis of fuel rod behavior during reactivity initiated accidents is presented. The calculational approach is described, predictions are discussed and compared to data from the SPERT power excursion tests, and the sensitivity of maximum cladding temperatures to initial reactor conditions, enthalpy insertions, and other experiment design parameters is investigated. 10 references. (auth)
Date: March 1, 1975
Creator: Thompson, L. B.; Tolman, E. L. & MacDonald, P. E.
Item Type: Refine your search to only Article
open access

Analysis of steady-state and pulsed operating regimes for controlled thermonuclear reactors with very large power ratings

Description: The operating regimes of large CTR's are identified and examined for cases of steady-state and pulsed operation. Several technological benefits of these large reactors are determined: (1) low maximum magnetic field strength requirements (25 to 50 percent less than for 5000 MW(th) reactors), (2) high n tau products (10$sup 15$ to 10$sup 17$ sec/cm$sup 3$) with associated high burn- up fractions (10 to 50 percent), (3) relatively little problem with impurity build-up, and (4) long confinement tim… more
Date: March 1, 1975
Creator: Usher, J.L. & Powell, J.R.
Item Type: Refine your search to only Report
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