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3D Experimental and Numerical Analysis of Natural Ventilation of Domed-Roof Buildings During Economizer Mode

[+] Author Affiliations
A. Rahmatmand, M. Yaghoubi, E. Goshtasbi Rad

Shiraz University, Shiraz, Fars, Iran

Paper No. ES2012-91200, pp. 39-47; 9 pages
  • ASME 2012 6th International Conference on Energy Sustainability collocated with the ASME 2012 10th International Conference on Fuel Cell Science, Engineering and Technology
  • ASME 2012 6th International Conference on Energy Sustainability, Parts A and B
  • San Diego, California, USA, July 23–26, 2012
  • Conference Sponsors: Advanced Energy Systems Division, Solar Energy Division
  • ISBN: 978-0-7918-4481-6
  • Copyright © 2012 by ASME


This paper present experimental measurements of velocity distribution at different sections around a reduced scale model of a real domed-roof building with several openings. Measurements are made in an open loop wind tunnel with atmospheric boundary layer. A new modified Counihan scheme which is a combination of the two systems is developed for the purpose of part-depth atmospheric boundary layer (ABL). The measured quantities are wind velocity profile, turbulence intensity, and air flow pattern around the building. For experiments a 1:54 scale model of a domed-roof building with six windows and an aperture on the roof is made. In addition, by using a numerical solution, turbulent air flow around such scale model in the wind tunnel is simulated and flow field inside the model and also the discharge coefficient are computed during the economizer mode.

Copyright © 2012 by ASME



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