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Abstract

This report presents an introduction to turbulence modelling with applications to heat transfer in a molten pool. The turbulence closure problem is discussed and some approximations and methods are given for determining certain unknowns in the transport equations. Three methods of closure are given:the k-epsilon model, the algebraic-stress model and the full Reynolds stress model, this last being the most general of the three. Finally, two of these closures are applied to the problem of a strongly convective flow. These provide a turbulent solution in the limit of steady-state and no mean flow.

Additional information

Authors: LAWRENCE S P, Culham Laboratory, Abingdon, Oxon. (GB)
Bibliographic Reference: Report: CLM-R292 EN (1989)
Availability: Available from the Librarian, UKAEA, Culham Laboratory, Abingdon, Oxon. OX 14 3DB (GB)
Record Number: 199010660 / Last updated on: 1994-12-01
Category: PUBLICATION
Original language: en
Available languages: en