Index Catalog // ScholarsArchive@OSU

A simplification of existing methods of calculating decay heat following reactor shut-down and an investigation of the effects of power history upon decay heat

Creator:: Holm, Jerald Steven
Abstract:: A method of calculating decay heat is presented which is a simplification of existing calculational methods, the summation method in particular. The method involves the assumption that one physical process, neutron capture, is negligible in order to simplify the governing physical equations. A Greens function is derived and the decay...
Resource Type:: Masters Thesis
Full Text:: Effects of Power History Upon decay Heat Abstract approved:__ Redacted for Privacy Bernard I. Spinrad

The contribution of fission product decay energy uncertainty to uncertainty in calculated reactor decay power

Creator:: Baker, Steven M.
Abstract:: The uncertainty in decay energy for those fission products which contribute significantly to reactor shutdown power was evaluated. The methodology used assigned significantly larger uncertainties for data which were theoretically predicted than it did for experimentally determined data. The uncertainty was modeled as an increasing function of distance from beta...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: Redacted for Privacy Bernard I. *inrad The uncertainty in decay energy for those

A comparison of theoretical decay heat calculations and experimental data

Creator:: Bjerke, Michael Alan
Abstract:: The experimental measurements of the decay heat from the products of the thermal fission of U-235 have been compared with the OSU-proposed decay heat standard. These experiments are intended to verify the decay heat calculational methods and nuclear data files. The comparisons have included the previous experiments reviewed by Perry...
Resource Type:: Masters Thesis
Full Text:: Calculations and Ex erimental Data Abstract approved : Redacted fol r Privacy Bernard I. Spinrad The

Correlation analysis of decay heat experiments and summation calculations

Creator:: Wong, Bright M. K.
Abstract:: There are two primary methods of determining the decay heat generated after the shutdown of a nuclear reactor. One of these methods is integral experimental measurement of decay heat from the products of thermal-neutron fission of 235 U. The other method is a summation calculation (computer codes) based on nuclear...
Resource Type:: Masters Thesis
Full Text:: EXPERIMENTS AND SUMMATION CALCULATIONS Abstract approved: Redacted for privacy Bernard II. Spinrad There

An experiment for accurate determination of time-dependent fission product energy release after thermal neutron fission of ²³⁵U

Creator:: Shepherd, Stephen H.
Resource Type:: Masters Thesis
Full Text:: , Arthur D. Payton, Walter D. Loveland, Robert L. Purbrick, Sanderson M. Smith, and, Bernard I. Spinrad

Summation evaluations of reactor after-heat including the effect of neutron capture in fission products

Creator:: Shay, Michael Ronald
Abstract:: The magnitude of the effect on decay heat of neutron capture by fission products for hypothesized "worst case" irradiations was examined. This effect is shown to be small (less than 2 percent) for times less than 1,000 seconds and a simple model is presented for estimating the magnitude of the...
Resource Type:: Masters Thesis
Full Text:: for Privacy Abstract approved: r Bernard /L. Spinrad The magnitude of the effect on decay heat of

Average beta and gamma decay energies of the fission products

Creator:: Wu, Chi Hung
Resource Type:: Dissertation
Full Text:: "Summation Method" in which the power produced by decay of each fission product at time t after shut-down

An analysis of the infinite periodic lattice approximation used in unit cell calculations

Creator:: Thomas, Mark Stephen
Abstract:: Unit cell or pin cell calculations form the basis for most nuclear core modeling. Because of this, it is of primary importance to perform these unit cell calculations accurately. The subject of this thesis is the analysis of one of the major approximations made in unit cell modeling, the infinite...
Resource Type:: Masters Thesis
Full Text:: privacy Bernard I. Spinrad Unit cell or pin cell calculations form the basis for most nuclear core

Extension of fuel burnup in light water reactors by using a strict in-out refueling scheme

Creator:: Yen, Julian Yu-liang
Abstract:: To utilize energy resources as efficiently as possible has become a necessity today. The purpose of this study is to see how this can be done by extending burnup in a light water reactor. Specifically, an in-out refueling scheme might extract the maximum energy from nuclear fuel during its redidence...
Resource Type:: Dissertation
Full Text:: : Redacted for Privacy Dr. Bernard I. Spinrad/ To utilize energy resources as efficiently as possible has

Evaluation of the economic risk from nuclear power

Creator:: Hsieh, Kitty A.
Abstract:: The cost of ionizing radiation exposure to people and property has been estimated as between $10 and $250 per man-rem by several investigators in the early 70's. These values were considered acceptable by the International Commission on Radiological Protection (ICRP). However, in the U.S. Nuclear Regulatory Commission's (NRC) "Numerical guide...
Resource Type:: Masters Thesis
Full Text:: : Redacted for Privacy Bernard I. SpinrA& ABSTRACT The cost of ionizing radiation exposure to people and

ScholarsArchive@OSU

A simplification of existing methods of calculating decay heat following reactor shut-down and an investigation of the effects of power history upon decay heat

The contribution of fission product decay energy uncertainty to uncertainty in calculated reactor decay power

A comparison of theoretical decay heat calculations and experimental data

Correlation analysis of decay heat experiments and summation calculations

An experiment for accurate determination of time-dependent fission product energy release after thermal neutron fission of ²³⁵U

Summation evaluations of reactor after-heat including the effect of neutron capture in fission products

Average beta and gamma decay energies of the fission products

An analysis of the infinite periodic lattice approximation used in unit cell calculations

Extension of fuel burnup in light water reactors by using a strict in-out refueling scheme

Evaluation of the economic risk from nuclear power

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