Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/234
Title: The condensation of steam on the external surfaces of the shells of HIFAR heavy water heat exchangers during a loss-of-coolant accident
Authors: Chapman, AG
Keywords: HIFAR Reactor
Loss of coolant
Reactor accidents
Heat exchangers
Issue Date: Mar-1987
Publisher: Australian Atomic Energy Commission
Citation: Chapman, A. G. (1987). The condensation of steam on the external surfaces of the shells of HIFAR heavy water heat exchangers during a loss-of-coolant accident (AAEC/E320). Lucas Heights, NSW: Australian Atomic Energy Commission Research Establishment.
Abstract: A study of steam condensation rates on the HIFAR heavy water heat exchangers was undertaken to predict thermohydraulic conditions in the HIFAR containment during a postulated loss-of-coolant accident (LOCA). The process of surface condensation from a mixture of air and steam and methods for calculating the rate of condensation are briefly reviewed. Suitable experimental data are used to estimate coefficients of condensation heat transfer to cool surfaces in a reactor containment during a LOCA. The relevance of the available data to a LOCA in the HIFAR materials testing reactor is examined and two sets of data are compared. The differences between air/H2O and air/D2O mixtures are discussed. Formulae are derived for the estimation of the coefficient of heat transfer from the heat exchanger shells to the cooling water and a method of calculating the rate of condensation per unit area of surface is developed.
Gov't Doc #: 354
URI: http://apo.ansto.gov.au/dspace/handle/10238/234
ISBN: 0642598533
Appears in Collections:Scientific and Technical Reports

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