Browsing by Subject "RANS"
Now showing items 1-9 of 9
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(2022-07-20)Numerical simulations have been routinely applied in marine design for the past decades. The limitations of this approach lie in the requirement of high computational power and the developmetn of computer technologies ...
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(2022-07-27)Pressurized Water Reactors (PWRs) are the most common types of electricity generating reactors. Inside of a PWR core, pressurized liquid water is used as a coolant to remove the fission heat generated in the cylindrical ...
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(2017-05-10)The research and development of advanced nuclear reactors requires complementary experimental and computational approaches. These approaches are used in such a manner that experimental campaigns help validate computational ...
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(2009-05-15)An interface-preserving level set method is incorporated into the Reynolds- Averaged Navier-Stokes (RANS) numerical method for the time-domain simulation of green water effects. This generalized method can be used to ...
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(2022-07-29)This research presents the methodology and the results of numerical studies on turbulent flows in a piping system that resembles the geometry of the Fission Product Venting System (FPVS) in High-Temperature Gas-Cooled Fast ...
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(2019-03-20)Methods for transferring heat through convection are highly variable and numerous in application. Still, the principle mechanisms that drive convective heat transfer can be reduced down to thermal conditions, fluid properties, ...
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A RANS Analysis of Pressurized Thermal Shock Phenomena in Nuclear Reactor Geometries Using Star CCM+ (2018-08-08)Computational fluid dynamics (CFD) simulations were conducted using Star CCM+ in order to investigate the mixing characteristics in the cold leg injection region of a pressurized water reactor (PWR) pressure vessel. Through ...
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(2023-05-12)Recent advances in machine learning (ML) algorithms, in conjunction with the availability of direct numerical simulation data, have resulted in a surge of interest in data–driven turbulence modelling. The idea with such ...
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(2020-07-08)An emerging trend in the nuclear community is to utilize RANS based turbulence models to supplement thermal-hydraulic system codes in the design of Generation-IV (Gen-IV) power reactors. Prior to full integration into the ...