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ISSN Online: 2377-424X

ISBN Print: 0-89116-299-2

International Heat Transfer Conference 7
September, 6-10, 1982, Munich, Germany

EXPERIMENTAL STUDY ON NATURAL CONVECTION BOILING BURNOUT IN AN ANNULUS

Get access (open in a dialog) DOI: 10.1615/IHTC7.1130
pages 309-314

要約

An experimental study was performed on burnout heat flux at low flow rates for low pressure steam-water upward flow in an annul us. The data indicated that a premature burnout occurred due to flow regime transition from churn-turbulent to annular flow. It is shown that the burnout observed in the experiment is essentially a flooding-limited burnout and the burnout heat flux can be well reproduced by a non-dimensional correlation derived from the previously obtained criterion for flow regime transition. It is also shown that the conventional correlations for burnout heat flux at low mass velocities agree well with the data on circulation and entrainment-1imited burnout.