Application of the critical heat flux look-up table to large diameter tubes

M. El Nakla*, M. Habib, W. Ahmed, A. Al-Sarkhi, R. Ben Mansour, M. Y. Al-Awwad

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The critical heat flux look-up table was applied to a large diameter tube, namely 67 mm inside diameter tube, to predict the occurrence of the phenomenon for both vertical and horizontal uniformly heated tubes. Water was considered as coolant. For the vertical tube, a diameter correction factor was directly applied to the 1995 critical heat flux look-up table. To predict the occurrence of critical heat flux in horizontal tube, an extra correction factor to account for flow stratification was applied. Both derived tables were used to predict the effect of high heat flux and tube blockage on critical heat flux occurrence in boiler tubes. Moreover, the horizontal tube look-up table was used to predict the safety limits of the operation of boiler for 50% allowable heat flux.

Original languageEnglish
Article number868163
JournalScience and Technology of Nuclear Installations
Volume2013
DOIs
StatePublished - 2013

ASJC Scopus subject areas

  • Nuclear Energy and Engineering

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