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bluff body

Experimental and numerical investigation of a double concentric bluff body flameholder

Experimental and numerical investigation of a double concentric bluff body flameholder

... 1 Model Outline for Single Bluff Body 23 4.2 24 Boundary Conditions for Single Bluff Body 4.3 Grid Structure for Single Bluff Body 25 4.4 Model Outline for Double Bluff Body 4.5 Boundary[r] ...

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The evolution of edge vortices underneath a diffuser equipped bluff body

The evolution of edge vortices underneath a diffuser equipped bluff body

... The generation, evolution and in certain cases breakdown of the edge vortices generated by a diffuser equipped bluff body have been experimentally investigated. PIV, force and oil flow visualisation ...

10

EXPERIMENTAL INVESTIGATION OF STROUHAL’S NUMBER LINEARITY FOR DUAL TRAPEZOIDAL BLUFF BODY VORTEX FLOW METER

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 bodies ...

5

Limit Cycle Characterization of an Aeroelastic Wing in a Bluff Body Wake.

Limit Cycle Characterization of an Aeroelastic Wing in a Bluff Body Wake.

... the bluff body cases ...the bluff body shedding frequency nears 3 f LCO ...the bluff body, causing the cycle amplitude to drop below 20 degrees at its ...the bluff ...

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INFLUENCE OF AFTER BODY SHAPE ANGLE OF TRAPEZOIDAL BLUFF BODY ON MEASURED SIGNAL PARAMETERS

INFLUENCE OF AFTER BODY SHAPE ANGLE OF TRAPEZOIDAL BLUFF BODY ON MEASURED SIGNAL PARAMETERS

... from bluff bodies has been studied since the pioneering work of Strouhal (1878) and Von Karman ...a bluff body is placed in a flow stream, vortices shed alternately from each of the side surfaces of ...

5

The PELskin project: part IV—control of bluff body wakes using hairy filaments

The PELskin project: part IV—control of bluff body wakes using hairy filaments

... of bluff body wakes using a sparse layer of elastic hairy filaments has been investigated via a series of numerical simulations and compared to selected experiments under well-con- trolled boundary ...

13

Comparison of turbulence modelling approaches in simulation of a feather shuttle; a porous conical bluff body

Comparison of turbulence modelling approaches in simulation of a feather shuttle; a porous conical bluff body

... The aerodynamics of a feather shuttlecock, a porous conical bluff body, are unique in comparison to other sports projectiles. Experimental wind tunnel studies have been published that present values of drag ...

15

Performance Index in MHD Duct Nanofluid Flow Past a Bluff Body at High Re

Performance Index in MHD Duct Nanofluid Flow Past a Bluff Body at High Re

... Numerical simulations are necessary for many engineering applications, which operate at high-speed or in highly turbulent regimes, which are very difficult to model. Most of the computational works available in ...

13

Turbulent Flowfield Analysis in a Bluff Body Burner Using PIV

Turbulent Flowfield Analysis in a Bluff Body Burner Using PIV

... The Bluff-Body burner used in this work was designed for the purpose of cover a broad operation range ...central bluff-body with 60 mm ...

9

CFD simulation of vortex induced vibration of a bluff body structure by ANSYS fluent

CFD simulation of vortex induced vibration of a bluff body structure by ANSYS fluent

... cylindrical bluff body acts as a damper, limiting the amplitude of ...of bluff body were done to determine the vortex shedding frequency for each of the ...

39

Bluff body flow : wake behavior behind a heated circular cylindeer

Bluff body flow : wake behavior behind a heated circular cylindeer

... When the model is sufficiently optimized its results can be compared with the results of a physical setup of the same configuration at the University of California, Los Angeles (UCLA). In this way both research methods, ...

39

Detail guide for CFD on the simulation of biogas combustion in bluff-body mild burner

Detail guide for CFD on the simulation of biogas combustion in bluff-body mild burner

... Combustion is still the most important process to generate energy. The improvement of combustion efficiency will give high impact to the cost of energy. Beside experimental testing, computational work nowadays becoming ...

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Acceleration of Bluff Body Calculation Using Mdgrape-2

Acceleration of Bluff Body Calculation Using Mdgrape-2

... Abstract Bluff body calculation was accelerated by using a special-purpose computer, MDGRAPE-2, that was exclusively designed for molecular dynamics ...

8

Influence of diffuser angle on a bluff body in ground effect

Influence of diffuser angle on a bluff body in ground effect

... The bluff body of the model is constructed of carbon fiber. Using different diffuser ramps, the angle of the diffuser can be varied. The ramps are constructed of 3-mm steel sheets. The angles tested are 5, ...

7

Turbulence Modeling Verification For Bluff Body Flow

Turbulence Modeling Verification For Bluff Body Flow

... inspired bluff body as these industries need statistical aerodynamic properties to manufacture a ...based body by comparing which RANS-based turbulence model achieves a better results based on ...

24

Validation Simulations of a Bluff-Body Stabilised Flame Combustion Process Dr. R. Ravi Varma

Validation Simulations of a Bluff-Body Stabilised Flame Combustion Process Dr. R. Ravi Varma

... The Combustion Research Group in the School of Aerospace, Mechanical and Mechatronic Engineering at the University of Sydney has compiled a body of turbulent combustion experimental data [1].Their bluff- ...

5

Analysis of recirculation zone and ignition position of non-premixed bluff-body for biogas mild combustion

Analysis of recirculation zone and ignition position of non-premixed bluff-body for biogas mild combustion

... Combustion ignition study is important due to the combustion process becoming more lean and efficient. This paper studied the recirculation zone and ignition location for the bluff-body non-premixed MILD ...

11

Effects of Inlet Parameters on the Performance of Bluff Body Combustion

Effects of Inlet Parameters on the Performance of Bluff Body Combustion

... The bluff body stabilized flames have found wide range of applications because of their relatively low pressure drop and simple geometry ...a bluff body stabilized fame of gases fuel for both ...

9

Simulation of vortex induced vibration of a bluff body structure

Simulation of vortex induced vibration of a bluff body structure

... The computational method is used to analyse a bluff body responses when exposed into specific fluid flow condition. A model is developed using Fluent 15, an application tools for fluid dynamics analysis ...

39

Numerical study of oxygen dilution and temperature distribution of biogas combustion in Bluff-body MILD burner

Numerical study of oxygen dilution and temperature distribution of biogas combustion in Bluff-body MILD burner

... A bluff body burner was used to mix the streams, with the fuel nozzle (1 mm in diameter) located at the center of the burner and fuel inlet directly under the fuel nozzle with inlet diameter of 10 mm ...

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