Vikram Singh

Vikram Singh

M.S. Nuclear Engineering; B.S. Physics, Astronomy & Astrophysics,

About

10
Publications
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78
Citations

Publications

Publications (10)
Article
This paper provides an overview of the current MSR design space and lists unique features of the various designs under consideration. Some general considerations for source terms calculation for Molten Salt Reactors (MSRs) are explained. Applicability and limitations of terminology currently defined for legacy light water reactor (LWR) systems are...
Chapter
The types, amounts, and timing of radioactive material released into the environment is referred to as the source term. It is the responsibility of all individuals working in fields where radioactive material is used, processed, or handled to have a general understanding of source terms. This article delves into source terms from nuclear power gene...
Chapter
The origins of naturally occurring and man-made radioactive sources are described, and their contributions to exposure to radiation are identified. Naturally occurring radioactive materials that become sufficiently concentrated by processing and handling to require regulatory attention are identified and discussed. Radioisotopes of concern for expo...
Article
Ongoing research by the authors has led to a dynamic modeling approach that was verified against experimental data from the Molten-Salt Reactor Experiment (MSRE). These lumped-parameter models, characterizing the reactor dynamics, are nonlinear and represent changes in mass, energy, and temperature in all parts of the reactor plant. The reactivity...
Article
Several molten-salt reactor (MSR) concepts are currently being developed by private vendors and national organizations. Molten-Salt Reactor Experiment (MSRE) is the only MSR that operated for several years, for which the performance was well documented in the literature. Experimental data from MSRE serve as the standard for developing models and to...
Article
A nonlinear dynamic model for the two-fluid molten-salt breeder reactor (MSBR) system is presented. This work is partly inspired by a preliminary dynamic model of the concept studied at Oak Ridge National Laboratory (ORNL). The core heat transfer model has been revised to accurately reflect the design exemplified in ORNL-4528—the last report on the...
Article
Full-text available
Preliminary results of dynamic analysis of a two-fluid Molten Salt Breeder Reactor (MSBR) system is presented. Based on an earlier work on the preliminary dynamic model of the concept, the model presented here is non-linear and has been revised to accurately reflect the design exemplified in ORNL-4528. A brief overview of the model followed by resu...
Article
Full-text available
The spectrum of a quasar contains important information about its properties. Thus, it can be expected that two quasars with similar spectra will have similar properties, but just how similar has not before been quantified. Here we compare the ultraviolet spectra of a sample of 5553 quasars from Data Release 7 of the Sloan Digital Sky Survey, focus...
Article
We have constructed a sample of 386 radio-loud quasars with z < 0.75 from the Sloan Digital Sky Survey in order to investigate orientation effects on black hole mass estimates. Orientation is estimated using radio core dominance measurements based on FIRST survey maps. Black hole masses are estimated from virial-based scaling relationships using Hβ...

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