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Experimental study of the plunging motion with unsteady wind tunnel wall interference effects
, Article Experimental Techniques ; Volume 36, Issue 5 , FEB , 2012 , Pages 30-45 ; 07328818 (ISSN) ; Marzabadi, F. R ; Mohammadi, Z ; Sharif University of Technology
2012
Abstract
A series of experiments were carried out to investigate unsteady behavior of the flow field as well as the boundary layer of an airfoil oscillating in plunging-type motion in a subsonic wind tunnel. The measurements involved surface-mounted hot films complimented with surface pressure. In addition, wind tunnel wall pressure distribution was acquired to furnish a baseline for the wall interference corrections. The airfoil is the section of a 660-kW wind turbine blade. The experiments were conducted at a Reynolds number of 0.42 million, and over two reduced frequencies of k = 0.06 and 0.085, at prestall, nearstall, and poststall regions. The unsteady aerodynamic loads were calculated from the...
A virtual testbed for studying trust in ambient intelligence environments
, Article 2nd International Conference on Human Aspects of IT for the Aged Population, ITAP 2016 and held as a part of 18th International Conference on Human-Computer Interaction, HCI International 2016, 17 July 2016 through 22 July 2016 ; Volume 9755 , 2016 , Pages 101-111 ; 03029743 (ISSN); 9783319399485 (ISBN) ; Malek Makan, M ; Nazari Shirehjini, A.A ; Malek Mohammadi, Z ; Zhou, J ; Salvendy, G ; Sharif University of Technology
Springer Verlag
Abstract
Ambient Intelligence is a new paradigm in information technology that creates environments able to detect and respond to users’ needs, actions, behaviors and feelings. User trust plays an important role in accepting Ambient Intelligence environments. In this paper we describe the design and implementation of a virtual reality based testbed for studying trust in Ambient Intelligence Environments