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Power transportation inside stream tube of cross-ventilated simple shaped model and pitched roof house
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2009 (English)In: Building and Environment, ISSN 0360-1323, E-ISSN 1873-684X, Vol. 44, no 7, 1440-1451 p.Article in journal (Refereed) Published
Abstract [en]

The ultimate goal of this work is to establish a prediction method based on Power Balance Model for prediction of flow rate through cross-ventilated building. For the establishment of Power Balance Model, the lost power across stream tube sections must be determined in advance. However, the loss of power in the stream tube was not well studied by other researchers but this concerned critical step forms the focus of the present CFD study in which transported power in stream tubes formed at two selected models: (i) a suspended rectangular model, and (ii) a pitched roof single-storey house model standing on a flat ground surface, was documented. For the development of a new method applying to predict the lost power, decrease of the transported power across the stream tubes through both types of models will finally be shown in this paper.

Place, publisher, year, edition, pages
2009. Vol. 44, no 7, 1440-1451 p.
Keyword [en]
Cross-ventilation, Stream tube, Power balance, CFD, Reynolds stress model
National Category
Building Technologies
URN: urn:nbn:se:kth:diva-31233DOI: 10.1016/j.buildenv.2008.09.013ISI: 000264514700017ScopusID: 2-s2.0-60749085615OAI: diva2:405895
QC 20110324 6th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings (IAQVEC 2007), Sendai, JAPAN, OCT 28-31, 2007Available from: 2011-03-24 Created: 2011-03-11 Last updated: 2011-03-24Bibliographically approved

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Sandberg, Mats
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