%0 Journal Article
	%A M. Afshin and  A. Sohankar and  M. Dehghan Manshadi and  M. R. Daneshgar and  G. R. Dehghan Kamaragi
	%D 2014
	%J International Journal of Energy and Power Engineering
	%B World Academy of Science, Engineering and Technology
	%I Open Science Index 96, 2014
	%T Visualized Flow Patterns around and inside a  Two-Sided Wind-Catcher in the Presence of Upstream Structures
	%U https://publications.waset.org/pdf/10000026
	%V 96
	%X In this paper, the influence of upstream structures on the flow patternaround and inside the wind-catcher is experimentally investigated by smoke flow visualization techniques. Wind-catchers are an important part of natural ventilation in residential buildings or public places such as shopping centers, libraries, etc. Wind-catchers might be also used in places of high urban densities; hence their potential to provide natural ventilation is dependent on the presence of upstream structures. In this study, the two-sided wind-catcher model was based on a real wind-catcher observed in the city of Yazd, Iran. The present study focuses on the flow patterns around and inside the isolated two-sided wind-catcher, and on a two-sided wind-catcher in the presence of an upstream structure. The results show that the presence of an upstream structure influences the airflow pattern force and direction. Placing a high upstream structure reverses the airflow direction inside the wind-catcher.

	%P 1312 - 1317