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The Effect of Turbulence Models on Coolant Temperature and Velocity for the Pebble-Bed Typed High Temperature Reactor:

Subekti Muhammad, MS (2015) The Effect of Turbulence Models on Coolant Temperature and Velocity for the Pebble-Bed Typed High Temperature Reactor:. In: International Conference on Nuclear Energy Technologies and Sciences (2015), 15–16 October 2015, Bali.

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Abstract

Abstract The 3D thermal-hydraulics analysis based on Computational Fluid Dynamics (CFD) has a role to analysis more detail the reactor safety, especially for pebble-bed typed High Temperature Reactor (HTR). A realistic pebble arrangement becomes a challenge to be modeled based on the Simple Cubic (SC), Body-Centered Cubic (BCC) and Face-Centered Cubic (FCC). Furthermore, CFD calculation could utilizes laminar model as well as turbulence model such as k−ϵ, k−ω and Reynold stress model (RSM). Therefore, the objective of this reseach is to analyze the effect of turbulence model on temperature and coolant velocity distribution using FCC on pebble-bed typed HTR as well as investigation of the turbulence models. The comparison shows that all models are acceptable for HTR-10 case with the difference by the range of 0.03–0.33% for the temperature parameters, in which the minimum different is obtained by k−ϵ model.

Item Type: Conference or Workshop Item (Paper)
Subjects: Keselamatan dan Keamanan Nuklir
Divisions: Pusat Teknologi dan Keselamatan Reaktor Nuklir
Depositing User: USER PTKRN BATAN
Date Deposited: 08 May 2018 09:05
Last Modified: 08 May 2018 09:05
URI: http://repo-nkm.batan.go.id/id/eprint/1229

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