WIT Press


Dynamic Modelling Of Refrigerated Truck Chambers

Price

Free (open access)

Volume

46

Pages

8

Published

2004

Size

319 kb

Paper DOI

10.2495/HT040411

Copyright

WIT Press

Author(s)

R.A. Pitarma, P.D. Gaspar & M.G. Carvalho

Abstract

A refrigerated truck chamber is always under variable conditions. Not only weather changes but also loading and unloading processes can make the chamber behaviour dependent on time. A prediction of relevant properties distributions (velocity, temperature and relative humidity) in refrigerated chambers requires the simultaneous solution, by an iteration process, of the three-dimensional nonlinear differential equations for the momentum and heat/mass transport. Basically, these two transport phenomena are coupled by the buoyancy force due to natural convection. However, especially for non-steady state thermal conditions, the high computations time

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