Control of flows around bluff bodies mediated by porous materials
Sign Up to like & getrecommendations! Published in 2020 at "Experimental Thermal and Fluid Science"
DOI: 10.1016/j.expthermflusci.2020.110048
Abstract: Abstract There is evidence that the application of porous media to the surfaces of bluff bodies immersed in turbulent fluid flows has a profound effect on the associated aerodynamic phenomena. This idea is explored by… read more here.
Keywords: square rectangular; control flows; effect; bluff bodies ... See more keywords
Enhancing heat transfer performance analyses of a hydrogen-fueled meso-combustor with staggered bluff-bodies
Sign Up to like & getrecommendations! Published in 2021 at "Fuel Processing Technology"
DOI: 10.1016/j.fuproc.2021.106867
Abstract: Abstract To improve the energy conversion efficiency of a thermo-photo-voltaic system, there is a need to optimize the combustor performance. This work considers applying staggered bluff-bodies to enhance thermal performance in a hydrogen-fueled meso-combustor. Effects… read more here.
Keywords: performance; combustor; bluff bodies; heat transfer ... See more keywords
Geometrical investigation of bluff bodies array subjected to forced convective flows for different aspect ratios of frontal body
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Thermal Sciences"
DOI: 10.1016/j.ijthermalsci.2020.106724
Abstract: Abstract The present computational study comprises the geometrical investigation using the Constructal Design of a triangular array of bluff bodies subjected to incompressible, transient, and forced convective flows in a two-dimensional domain. It is considered… read more here.
Keywords: geometrical investigation; bluff bodies; forced convective; convective flows ... See more keywords
Spanwise correlation of vortex-induced forces on typical bluff bodies
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Wind Engineering and Industrial Aerodynamics"
DOI: 10.1016/j.jweia.2019.03.020
Abstract: Abstract The spanwise correlation of vortex-induced forces (VIFs) on rectangular cylinders has been studied extensively. However, little knowledge exists regarding the differences and the evolution of the spanwise correlations of VIFs on blunt and streamlined… read more here.
Keywords: induced forces; correlation vortex; vortex induced; spanwise correlation ... See more keywords
Performance of an optimized k−ϵ turbulence model for flows around bluff bodies
Sign Up to like & getrecommendations! Published in 2020 at "Mechanics Research Communications"
DOI: 10.1016/j.mechrescom.2020.103518
Abstract: Abstract The flow over a bluff body is an important phenomena in many engineering applications such as aerodynamic performance, buildings, bridges, and pipelines in cross flow. In this sense, such complex flow dynamics has become… read more here.
Keywords: optimized turbulence; turbulence; flows around; bluff bodies ... See more keywords
Model reduction and mechanism for the vortex-induced vibrations of bluff bodies
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2017.525
Abstract: We present an effective reduced-order model (ROM) technique to couple an incompressible flow with a transversely vibrating bluff body in a state-space format. The ROM of the unsteady wake flow is based on the Navier–Stokes… read more here.
Keywords: lock; mechanism; frequency; reynolds number ... See more keywords
Flows over surface-mounted bluff bodies with different spanwise widths submerged in a deep turbulent boundary layer
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2019.617
Abstract: The spatio-temporal dynamics of separation bubbles induced by surface-mounted bluff bodies with different spanwise widths and submerged in a thick turbulent boundary layer is experimentally investigated. The streamwise extent of the bluff bodies is fixed… read more here.
Keywords: separation bubbles; bluff bodies; separation; boundary layer ... See more keywords