Natural convection inside heated channel of a facility representing prismatic modular reactor core

Taha, Mahmoud M.; Said, Ibrahim A.; Usman, Shoaib; Al‐Dahhan, Muthanna H.

doi:10.1002/aic.16185

Natural convection inside heated channel of a facility representing prismatic modular reactor core

Journal Article · Fri May 04 00:00:00 EDT 2018 · AIChE Journal

DOI:https://doi.org/10.1002/aic.16185· OSTI ID:1436019

Taha, Mahmoud M. ^[1]; Said, Ibrahim A. ^[1]; Usman, Shoaib ^[2]; ^[3]

Multiphase Reactors Engineering and Applications Laboratory (mReal), Dept. of Chemical and Biochemical Engineering Missouri University of Science and Technology Rolla MO, Chemical Engineering Dept. Alexandria University Alexandria Egypt
Dept. of Mining and Nuclear Engineering Missouri University of Science and Technology Rolla MO
Cihan University of Erbil. Kurdistan Iraq

The newly developed Plenum‐to‐Plenum facility (P2PF) at Missouri S&T has shown to be an innovative separate effects test facility representing the geometry of prismatic modular reactors. Thermal and velocity fields inside this dual channel facility have been investigated under different natural circulation intensities. It is found that temperature and velocity profiles are function of the measurements locations and the amount of heat supplied to the channel. Quantification of the overall Rayleigh number versus overall Reynold number are found to be related by . Upper plenum mixing was characterized by determining the modified Reynold number and Froude number dimensionless groups. Analysis of these dimensionless groups along with observable turbulence amplifications emphasize relevance of adopting axial temperature inflection as a criterion for initiation of naturally driven flow destabilization inside vertical heated channels. Additionally, quantification of the distortion factors for characteristic dimensionless groups reveal a good similarity between the P2PF and the Modular High Temperature Gas‐cooled Reactor. © 2018 American Institute of Chemical Engineers AIChE J , 64: 3467–3478, 2018

View Accepted Manuscript (Publisher)

Sponsoring Organization:: USDOE

OSTI ID:: 1436019

Alternate ID(s):: OSTI ID: 1537437

Journal Information:: AIChE Journal, Journal Name: AIChE Journal Journal Issue: 9 Vol. 64; ISSN 0001-1541

Publisher:: Wiley Blackwell (John Wiley & Sons)Copyright Statement

Country of Publication:: United States

Language:: English

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