Power transportation inside stream tube of cross-ventilated simple shaped model and pitched roof house

Building and Environment

Volumn 44, Issue 7, 2009, Pages 1440-1451

  Kobayashi, Tomohiro ^a   Sagara, Kazunobu ^a   Yamanaka, Toshio ^a   Kotani, Hisashi ^a   Sandberg, Mats ^b  

^a OSAKA UNIVERSITY   (Japan)

^b UNIVERSITY OF GÄVLE   (Sweden)

Author keywords

CFD; Cross ventilation; Power balance; Reynolds stress model; Stream tube

Indexed keywords

CYCLONE SEPARATORS; REYNOLDS NUMBER; ROOFS; VENTILATION;

CFD; CROSS-VENTILATION; POWER BALANCE; REYNOLDS STRESS MODEL; STREAM TUBE;

TUBES (COMPONENTS);

AIR QUALITY; AIR TEMPERATURE; FLOW PATTERN; INDOOR AIR; PREDICTION; REYNOLDS NUMBER; ROOF; VENTILATION;

EID: 60749085615     PISSN: 03601323     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.buildenv.2008.09.013     Document Type: Article

References (16)

1. Kotani H, Yamanaka T. Inflow direction at large opening of cross-ventilated apartment building. In: Proceedings of ROOMVENT. The ninth international conference on air distribution in rooms, in CD-ROM; 2004.
2. Kurabuchi T., Ohba M., Endo T., Akamine Y., and Nakayama F. Local dynamic similarity model of cross-ventilation Part 1 - theoretical frame work. The International Journal of Ventilation 2 4 (2004) 371-382
3. True J.J., Sandberg M., Heiselberg P., and Nielsen P.V. Wind driven cross-flow analysed as a catchment problem and as a pressure driven flow. The International Journal of Ventilation 1 Special Edition (2003) 89-102
4. Bastide A., Allard F., and Boyer H. Natural ventilation - a new method based on the Walton model applied to cross-ventilated buildings having two large external openings. The International Journal of Ventilation 6 3 (2007) 195-206
5. Heiselberg P., and Sandberg M. Evaluation of discharge coefficients for window openings in wind driven natural ventilation. The International Journal of Ventilation 5 1 (2006) 43-52
6. Etheridge D.W. Natural ventilation through large openings - measurements at model scale and envelope flow theory. The International Journal of Ventilation 2 4 (2004) 325-340
7. Kobayashi T., Sagara K., Yamanaka T., Kotani H., and Sandberg M. Prediction of cross-ventilation rate through large openings - problems of conventional method. Proceedings of Roomvent 2007 vol. 2 (2007) 103-112
8. Murakami S., Kato S., Akabayashi S., and Mizutani K. Wind tunnel tests on velocity-pressure field on cross-ventilation with open windows. ASHRAE Transactions 97 1 (1991) 525-538
9. Kato S. Flow network model based on power balance as applied to cross-ventilation. The International Journal of Ventilation 2 4 (2004) 395-408
10. Guffy S.E., and Fraser D.A. A power balance model of converging and diverging flow junctions. ASHRAE Transactions 95 2 (1989) 2-9
11. Axley J.W., and Chung D.H. POWBAM0 mechanical power balance for multi-zone building airflow analysis. The international Journal of Ventilation 4 2 (2005) 95-112
12. Kobayashi T., Sagara K., Yamanaka T., Kotani H., and Sandberg M. Wind driven flow through openings - analysis of the stream tube. The International Journal of Ventilation 4 4 (2006) 323-336
13. Sandberg M. Airflow through large openings -a catchment problem? In: Proceedings of Roomvent; 2002. p. 541-4.
14. Karava P., Stathopoulos T., and Athienitis A.K. Wind driven flow through openings - a review of discharge coefficient. The International Journal of Ventilation 3 3 (2004) 255-266
15. Kurabuchi T., Akamine Y., Ohba M., Endo T., Goto T., and Kamata M. A study on the effects of porosity on discharge coefficient in cross-ventilated buildings based on wind tunnel experiment. The International Journal of Ventilation 5 1 (2006) 67-78
16. Launder B.E., Reece G.J., and Rodi W. Progress in the development of a Reynolds-stress turblence closure. Journal of Fluid Mechanics 68 3 (1975) 537-566