bluff bodies
Experimental Studies on Bluff Bodies
... ABSTRACT: This paper presents the experimental studies on Bluff bodies. In the present study a blunt nosed body with and without spike having the L/W =1 and 1.5 , where W is the width of the model and L is ...
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Effects of turbulence on the separating-reattaching flow above surface-mounted, three-dimensional bluff bodies
... surface-mounted bluff bodies with two-dimensional bluff bodies placed in uniform upstream ...mounted bluff body which, for three-dimensional bluff bodies, follows the ...
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Experimental and Numerical Investigation of Flow Structures around Cylindrical Bluff Bodies
... In Figure 5, time-average vorticity contour is seen, the numerical analysis results are shown on the left column, and the other is the experimental. Two symmetrical vortices were occurred around the bluff ...
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Numerical modeling of tornado-like vortex and its interaction with bluff- bodies
... topographic features on the tornado-like vortex has been investigated for the first time. A new approach to quantify the changes in the tornadic wind field “speed-up” due to the topography has been developed. Once a ...
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The control of turbulent flows around bluff bodies by means of spanwise sinusoidal profiles
... to bluff bodies, and previous studies have been conducted to apply this silent flight technology to aircraft, in order to reduce airport noise during planes takeoff and landing (Roach 2004; Jaworski and ...
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Design and Analysis of Moderate Suction Wind tunnel to study the effect of turbulence on bluff bodies
... around bluff bodies in the wind tunnel. While many bluff objects, such as cylinders, spheres, miniature vehicles and buildings, can be studied, circular cylinders are, by far, the ...be bluff. ...
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Time-averaged heat transfer and vortex shedding of a singular and twin heated bluff bodies in cross flow
... of bluff bodies has attracted a lot of attentions due to its applicability engi- neering ...of bluff bodies as well as oscillating flow ...buff bodies at low-Reynolds number flow whilst ...
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Interdependence of Flow and Shape Morphological Dynamics For Flow-Induced Erosion of Bluff Bodies, Michael Paul Allard
... the bluff body for both the case when the cylinder was immersed in a uniform flow and when the cylinder was immersed in a boundary layer ...the bluff bodies was rounded, similar to what was observed ...
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The Effects of Porous Surfaces on the Control of Flows over Bluff Bodies of Circular, Square and Rectangular Cross-Sections
... Selecting an appropriate technique to measure the flow field in the wake of the cylinders was a major consideration in this work. PIV has become a technique of choice in the investigation of fluid dynamics in recent ...
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FLOW AROUND BLUFF BODIES WITH CORNER MODIFICATIONS ON CROSS-SECTIONS
... around bluff bodies because most vehicles, structures, and projectiles are shaped as bluff ...a bluff body imparts a force that can lead to increased fuel consumption (and subsequent increased ...
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Vortex shedding from elongated bluff bodies
... elongated bluff bodies is distinct from shorter bluff bodies due to the leading edge separating-reattaching ...these bodies shed vortices is only a secondary effect in relation to the ...
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ANALYSIS OF FLOW STRUCTURES AROUND INCLINED BLUFF BODIES
... the bodies but can contribute to some engineering problems such as noise and vibration, dust emission and snow drift around objects, ...around bluff bodies are ...a bluff body is conducted in ...
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Computational Study of Flow over Cascade Arrangement of Bluff Bodies with Different Geometries
... Recent, renewable energy research and development covers ocean and river energy platform in which flow of water drag considered in various conversion devices towards the offshore and [r] ...
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Bluff bodies in deep turbulent boundary layers: Reynolds number issues
... which the shear layers arising from separation of the boundary layers at the salient edges of the body roll up rapidly to form concentrated relatively steady vortical regions. The most obvious example is for ...
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Resonant aeroacoustic source localisation in ducted bluff body flows
... Chapter 3 presented a conceptual approach for investigating the flow-sound interaction of ducted bluff bodies using experimental techniques rather than numerical techniques. This chapter discusses the ...
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Effects of Inlet Parameters on the Performance of Bluff Body Combustion
... Ground-based or aero gas turbine applications incorporate flame holders in the form of bluff bodies or swirlers for a primary or secondary combustion in high speed reacting flows. These two methods are very ...
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EXPERIMENTAL INVESTIGATION OF STROUHAL’S NUMBER LINEARITY FOR DUAL TRAPEZOIDAL BLUFF BODY VORTEX FLOW METER
... two bluff bodies in tandem showed that there was considerable improvement in vortex ...shape bluff bodies ...downstream bluff body combination gave highest ...triangular bluff ...
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Design and Analysis of Various Bluff Objects for Vortex flow meters
... phenomenon. Bluff body is the key component in a vortex flow meter because the stability of generated vortex street depends on the shape and geometric parameters of the bluff ...smooth bluff body ...
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The evolution of edge vortices underneath a diffuser equipped bluff body
... There exists a lack of previous investigations into diffuser equipped bluff bodies. In 1981 Frost (Frost, 1981) investigated a bluff body with a rear diffuser in ground effect. Ramp angles of up to ...
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CO 2) occurs atH = 3. Furthermore, the highest swirl number
... the bluff bodies when a uniform and steady flow moved pass the bluff bodies, and then a low-pressure zone occurs behind the bluff ...of bluff bodies and generates the ...
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