Proceedings of the 5th International Conference on Jets, Wakes and Separated Flows (ICJWSF2015)

Front Matter....Pages i-xxiv
Front Matter....Pages 1-1
Analysis of Vortical Structures in Intermittent Jets....Pages 3-10
Flow Structure of a Round Jet with Side-Jet Formation....Pages 11-18
Flow and Heat Transfer Features of an Impinging Annular Jet....Pages 19-27
Investigation of the Flow in Free and Impinging Air Micro- and Macrojets....Pages 29-35
Numerical Investigation of a Confined Jet Array Penetrating into a Counterflow....Pages 37-42
Coherent Structures in a Turbulent Swirling Jet Under Vortex Breakdown. 3D PIV Measurements....Pages 43-50
An Effect of Initial Disturbance on Spatial Development of a Two-Dimensional Jet at a Low Reynolds Number....Pages 51-59
Effect of Buoyancy on the Instability of Light Jets and Plumes....Pages 61-67
Direct Numerical Simulation of Dynamic-Rotational Controlled Jet....Pages 69-76
Enhancement of Turbulent Diffusion in an Axisymmetric Jet by Vortex Generators....Pages 77-83
Diffusion Control of Jet by Acoustically Driven Secondary Film Flow....Pages 85-91
Numerical Simulation of Flow Structure and Heat Transfer in a Swirling Gas-Droplet Turbulent Flow Through a Pipe Expansion....Pages 93-100
The Influence of an Asymmetric Slot on the Flow Characteristics of Synthetic Jets....Pages 101-107
Performance Characteristics of a Fan Using Synthetic Jets....Pages 109-115
Front Matter....Pages 117-117
Towards Local Isotropy of Higher Order Statistics in Wakes....Pages 119-124
Heat Transfer Enhancement by Grid-Generated Turbulence for a Cylinder in Crossflow....Pages 125-132
An Experimental Study on the Relation Between the Wake Inlet Conditions and the Near Wake Topology....Pages 133-138
Vortex Structure Extraction from Circular Disk Wake by POD and PIV Processing....Pages 139-145
Influence of Surface Waves on Kármán Street Behind Vertical Cylinder: Subharmonic Lock-in and Phase Synchronizaton....Pages 147-155
Organization of an Axisymmetric Turbulent Wake in Presence of a Central Protrusion....Pages 157-163
Front Matter....Pages 117-117
Global Linear Stability Analysis of the Flow Around a Superhydrophobic Circular Cylinder....Pages 165-170
Optimal Cancelation of Vortex Street in Flow Past a Circular Cylinder with Controllable Wettability Properties....Pages 171-180
Numerical Experiment of Flow Characteristics of a Circular Cylinder with Splitter Plate....Pages 181-187
Wake Structures of a Particle in Straight and Curved Flows....Pages 189-194
Numerical Flow Simulations of a Flexible Plate Attached to an Obstacle in Crossflow....Pages 195-201
Effect of Chordwise Flexibility on Flapping Wing Aerodynamics....Pages 203-210
Front Matter....Pages 211-211
Characteristics of Recirculation Regions on Ribs of Varying Length....Pages 213-221
Passive Load Control in Backward-Facing Step Flow by Using Chevrons....Pages 223-230
Active Flow Control Behind a Backward Facing Step Using a Zero-Net-Mass-Flux System....Pages 231-239
Control of the Reattachment Length of a Transonic 2D Backward-Facing Step Flow....Pages 241-248
POD Analysis of Jet and Vortex Flows Induced by Oscillating Backward Facing Step....Pages 249-257
Characterization of the Massively Separated Wake Behind a Square Cylinder by Means of Direct Numerical Simulation....Pages 259-266
Investigations on the Effects of Trip Wires on the Performances of a Rectangular Wing....Pages 267-273
Front Matter....Pages 275-275
Comparison of Synthetic and Pulsed Jets Effect for the Flow Around the Ahmed Body....Pages 277-282
Large Eddy Simulations of Flow Around Two Generic Vehicles in a Platoon....Pages 283-288
Numerical Study of Aerodynamic Interactions in a Homogeneous Multi-vehicle Formation....Pages 289-294
Numerical Investigation of the Actuated Flow on a Bluff Body....Pages 295-302
Front Matter....Pages 303-303
Breakdown of a Low-Speed Streak Caused by Turbulent Fluctuations....Pages 305-310
Advection of a Coherent Structure in a Turbulent Boundary Layer....Pages 311-316
Wall Similarity in Turbulent Boundary Layers Subjected to Weak Pressure Gradients....Pages 317-324
Front Matter....Pages 303-303
Interaction Layer Between a Turbulent Boundary Layer and Free-Stream Turbulence....Pages 325-332
Generalization of the Diagnostic Plot to Higher-Order Moments in Turbulent Boundary Layers....Pages 333-338
Experimental and Analytical Investigation of Forest Clearings....Pages 339-346
Flow and Heat Transfer of Petal Shaped Double Tube—Effects of Pipe Geometry....Pages 347-354
Loss Reduction of the Flow in the Reducing Elbow Duct by Using Weir Shaped Small Obstacle....Pages 355-362
Flow Field Characteristics and Energy Injection in a Tank Stirred by Regular and Fractal Blade Impellers....Pages 363-369
Front Matter....Pages 371-371
Numerical Study on the Sound Amplification of a T-Junction with Bias Flow....Pages 373-381
Experiments on Sound Radiation in Flow Past Two Side-by-Side Square Cylinders....Pages 383-388
Turbulent Jet Noise Simulation and Propagation Using a 3rd Order MUSCL/CD Scheme on Unstructured Grid and Ffowcs-Williams Hawkings....Pages 389-397
Investigation of the Effect of a Realistic Nozzle Geometry on the Jet Development....Pages 399-405
Linear Stability Analyses and Large Eddy Simulations for Acoustic Wave Generation Mechanism of a Transitional Supersonic Jet....Pages 407-412
Can Jet Noise Be Predicted Using Linear Instability Wavepackets?....Pages 413-418
Front Matter....Pages 419-419
A Numerical Model of Fluid Structure Interaction of a Fluttering Valve....Pages 421-429
Capacity Testing and Local Flow Analysis of Geometrically Complex Trims Installed Within a Commercial Control Valve....Pages 431-438
Wall Treatment Effects on the Heat Transfer in a Radial Turbine Turbocharger....Pages 439-447
On the Characteristics of the Jet in Film Cooling Applications....Pages 449-455
Similarities and Differences Concerning Flow Characteristics in Centrifugal Compressors of Different Size....Pages 457-464
Front Matter....Pages 465-465
Study of Liquid Breakup Mechanism Through a High-Speed Gas Flow....Pages 467-474
Clustering and Settling of Inertial Particles in Turbulence....Pages 475-482
On Mechanics of Turbulent Gas-Liquid Flows....Pages 483-491
Front Matter....Pages 465-465
Film Behavior of Two-Phase Flow in a Horizontal Pipe with a Sudden Contraction....Pages 493-500
Some Aspects of Design and Modelling of Multi-phase Separation Process in Complex Channels Under Magnetic Fields....Pages 501-508
Tire Water Splash Modeling....Pages 509-518
Algorithm for Automatic Quantification of Flashback and Flash Forward Events from High-Speed Chemiluminescence Recordings....Pages 519-526
Effect of Grouping of Fuel Droplets on a Flame Formed by an Oscillating Spray Jet....Pages 527-535
Influence of Coaxial Dielectric Barrier Discharge Plasma Actuator on Jet Flame....Pages 537-544
Front Matter....Pages 545-545
Vortex Rings Formed Behind a Free-Flight Butterfly and Their Dynamic Behaviors....Pages 547-553
Experimental and Computational Observation of Air Bubble Ring Due to Plughole Vortex....Pages 555-563
Penetration by a Negatively Buoyant Vortex Ring....Pages 565-570
Front Matter....Pages 571-571
Development of Near Wake of a HAWT Depending on Hub Height....Pages 573-580
Leading Edge Vortex Development on Pitching and Surging Airfoils: A Study of Vertical Axis Wind Turbines....Pages 581-587
Performance Comparison of a Vertical Axis Wind Turbine Using Commercial and Open Source Computational Fluid Dynamics Based Codes....Pages 589-594
Measurement and Control of Forces Acting on a Solar Panel....Pages 595-600
Front Matter....Pages 601-601
Two- and Three-Dimensional Numerical Analysis for Flow Field Characteristics at Various Low Reynolds Numbers....Pages 603-611
Increasing the Critical Reynolds Number by Maximizing Energy Dissipation Problem....Pages 613-620