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Turbulence Heat and Mass Transfer 6. Proceedings of the Sixth International Symposium On Turbulence Heat and Mass Transfer
September, 14-18, 2009, Rome, Italy

DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf


ISBN Print: 978-1-56700-262-1

ISSN: 2377-2816

Numerical modeling of drifting snow around buildings

page 12
DOI: 10.1615/ICHMT.2009.TurbulHeatMassTransf.2050
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要約

Wind tunnel measurements of distributions of wind velocity and transport rate of drifting snow in developing boundary layer above loose and hard snow surfaces were firstly carried out to investigate the characteristics of drifting snow phenomena in a non-equilibrium flowfield. Secondly, a numerical method based on k-ε model was developed, in which the effects of snow particles on the flowfield were considered by adding extra terms in the transport equations of k and ε. Finally, the results of CFD prediction of snowdrift around a cubic building model were shown. Accuracy of results using the new developed model was examined by comparing its result with those obtained from the previous model and field measurement.

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