Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Ehsan Asgari"'
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Computers & Fluids. 190:98-113
Active control of flow over a rounded ramp with R e = 13 , 700 was studied numerically by using rectangular synthetic jet actuators. Wall-resolved large eddy simulation was utilized to accurately predict the separation and reattachment of the flow. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7291b27715a7a10ec5290ab0d619f0fb
https://doi.org/10.1016/j.compfluid.2019.06.010
https://doi.org/10.1016/j.compfluid.2019.06.010
Publikováno v:
Journal of Wind Engineering and Industrial Aerodynamics. 227:105047
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3f7618b4c1fbbf9379dfce8292cf44b
https://doi.org/10.1016/j.jweia.2022.105047
https://doi.org/10.1016/j.jweia.2022.105047
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Physics of Fluids. 34:025101
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b122f82b0504dcde9711d1f6ff5fe33a
https://doi.org/10.1063/5.0077401
https://doi.org/10.1063/5.0077401
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Journal of Turbulence. 18:61-86
In this study, we investigated the impact of four different inflow generation methods used in large-eddy simulation on the spatially developing boundary-layer before a recirculation bubble is formed over a gently curved backward-facing step at a Reyn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63bd4df119dedb0587488f5150ab0b12
https://doi.org/10.1080/14685248.2016.1253845
https://doi.org/10.1080/14685248.2016.1253845
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Journal of Fluids Engineering. 140
In this paper, we have studied the active flow control (AFC) of a pitching airfoil by means of a tangential synthetic jet actuator (SJA) using computational fluid dynamics. The airfoil was NACA0012 which pitched about its quarter-chord with a sinusoi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8c5e60a48705f3047d81df1307d6dcfc
https://doi.org/10.1115/1.4040795
https://doi.org/10.1115/1.4040795
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Volume 1: Flow Manipulation and Active Control; Bio-Inspired Fluid Mechanics; Boundary Layer and High-Speed Flows; Fluids Engineering Education; Transport Phenomena in Energy Conversion and Mixing; Turbulent Flows; Vortex Dynamics; DNS/LES and Hybrid RANS/LES Methods; Fluid Structure Interaction; Fluid Dynamics of Wind Energy; Bubble, Droplet, and Aerosol Dynamics.
In this study, we have applied and compared two active flow control (AFC) mechanisms on a pitching NACA0012 airfoil at Reynolds number of 1 × 106 using 2-D computational fluid dynamics (CFD). These mechanisms are continuous blowing and suction which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::15cd4247ed8948a7c0e63ed1fe8315d8
https://doi.org/10.1115/fedsm2018-83463
https://doi.org/10.1115/fedsm2018-83463
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Journal of Fluids Engineering. 140
We have studied the influence of a tangential blowing jet in dynamic stall of a NACA0012 airfoil at Reynolds number of 1 × 106, for active flow control (AFC) purposes. The airfoil was oscillating between angles of attack (AOA) of 5 and 25 deg about
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b535b7184ebf75e74ba3a49a6825e58
https://doi.org/10.1115/1.4037841
https://doi.org/10.1115/1.4037841
Publikováno v:
Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Gas and Liquid-Solid Two-Phase Flows; Numerical Methods for Multiphase Flow; Turbulent Flows: Issues and Perspectives; Flow Applications in Aerospace; Fluid Power; Bio-Inspired Fluid Mechanics; Flow Manipulation and Active Control; Fundamental Issues and Perspectives in Fluid Mechanics; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes.
Aerodynamic investigation of tandem airfoil configuration has so many applications in different industries that has become a topic of scientific interest since many years ago. One can name a lot of applications in this field such as the aerodynamic i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5471a0803a7ec449f24b347e2591f6e
https://doi.org/10.1115/fedsm2017-69461
https://doi.org/10.1115/fedsm2017-69461
Autor:
Ehsan Asgari, Mehran Tadjfar
Publikováno v:
Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation.
In this study, we have examined slot location and velocity ratio of a tangential co-flow jet in dynamic stall motion of an airfoil at Reynolds number 1×106, for active flow control (AFC) purposes. The airfoil is the symmetrical NACA 0012 with a pitc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe86a2811ad5ae4d92b1668969893a03
https://doi.org/10.1115/fedsm2016-7508
https://doi.org/10.1115/fedsm2016-7508
Publikováno v:
Iranian Journal of Information Processing & Management, Vol 33, Iss 4, Pp 1809-1828 (2018)
Considering the vast amount of existing written information and the shortage of time, optimal summarization of books, articles, news reports, etc. on the Web is a major concern of researchers. In this paper, we propose a new approach for Persian sing
Externí odkaz:
https://doaj.org/article/4f4e6ec7aaf6465eba9947d9c6370f9f