Bookcover of 3D CFD Analysis of Heat Transfer in Sub Channels of Nuclear Reactors
Booktitle:

3D CFD Analysis of Heat Transfer in Sub Channels of Nuclear Reactors

LAP LAMBERT Academic Publishing (2013-09-19 )

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ISBN-13:

978-3-659-46288-7

ISBN-10:
3659462888
EAN:
9783659462887
Book language:
English
Blurb/Shorttext:
In this research project a method has been analysed through CFD technique to obtain steady state heat transfer in nuclear fuel rod assembly and the local heat transfer coefficients of carbon dioxide at supercritical pressures in triangular channel under cooling conditions is presented through the numerical simulation. The CFD code Ansys CFX has been used to simulate the convective heat transfer coefficient of the triangular channel. Supercritical CO2 heat-transfer data were obtained at reactor-equivalent conditions at three pressures above the critical point (7.6, 8.4 and 8.8 MPa), mass fluxes from 840 to 3000 kg/m2s,heat fluxes up to 600 kW/m2 and inlet temperatures from 20 to 40ºC. The effects of pressure, mass flux of supercritical CO2, rod diameter, and heat flux on heat transfer are investigated. The computational results showed that the sharply varying thermo physical properties of carbon dioxide have a significant role on the local heat transfer coefficient which varies significantly along the triangular channel and small tube when the CO2 bulk temperatures were within the near-critical region.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Krishna Pandey, Deepak Sharma
Number of pages:
92
Published on:
2013-09-19
Stock:
Available
Category:
Atomic physics, nuclear physics
Price:
82.35 $
Keywords:
CFD, sub-channel, super critical, RNG turbulence model, Heat Transfer, Candu reactor

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