Search Results - "FUKUNISHI, Yu"
-
1
Simulation of collisions of two droplets containing two different liquids using incompressible smoothed particle hydrodynamics method
Published in Theoretical and computational fluid dynamics (01-04-2020)“…The present study aims to simulate a collision of two droplets containing immiscible liquids by employing a three- dimensional incompressible smoothed particle…”
Get full text
Journal Article -
2
Flow measurement around the edges and curved outer surface of a rotating disk
Published in Journal of Fluid Science and Technology (2021)“…An experimental study is performed to investigate the flow structures near the edges of rotating disks with different edge shapes. By changing the rotational…”
Get full text
Journal Article -
3
Bypass transition in a boundary layer subject to sheet-type freestream disturbance
Published in Journal of fluid science and technology (01-01-2020)“…In this study, the receptivity of a flat-plate boundary layer was studied by introducing a thin sheet-type disturbance. An airfoil-shaped device was used to…”
Get full text
Journal Article -
4
Experimental study on artificial environment to promote onset of turbulence
Published in Journal of fluid science and technology (2020)“…A wind tunnel experiment was performed to investigate the requirements for providing a suitable environment for easily creating a localized turbulent region in…”
Get full text
Journal Article -
5
Key structure in laminar-turbulent transition of boundary layer with streaky structures
Published in Theoretical and applied mechanics letters (01-01-2019)“…A numerical simulation is performed to find out a key vortical structure in the laminar-turbulent transition. A low-speed streak is generated inside a laminar…”
Get full text
Journal Article -
6
Numerical simulation of droplet-formation in rotary atomizer
Published in Theoretical and applied mechanics letters (01-05-2019)“…Numerical simulations of the liquid flow scattering from rotary atomizers are performed using an incompressible smoothed particle hydrodynamics (SPH) method…”
Get full text
Journal Article -
7
Experimental study on onset turbulence in a flat-plate boundary layer
Published in Journal of fluid science and technology (01-01-2019)“…A wind tunnel experiment was performed to investigate the suitable conditions in which a localized turbulent region can easily be generated in a flat-plate…”
Get full text
Journal Article -
8
Extraction of coherent vortices from homogeneous turbulence using curvelets and total variation filtering methods
Published in Computers & fluids (30-03-2012)“…► Vortices of homogeneous turbulence are extracted by the curvelets and TV methods. ► Curvelet filtering is done using frequency analysis. ► Total variation…”
Get full text
Journal Article -
9
Harmonic analysis filtering techniques for forced and decaying homogeneous isotropic turbulence
Published in Computers & mathematics with applications (1987) (01-04-2013)“…Harmonic analysis filtering methods are used to decompose 3D forced and decaying turbulent fields into coherent and incoherent parts. The filtering methods are…”
Get full text
Journal Article -
10
Experimental study on control of highly unsteady separating flow
Published in Journal of fluid science and technology (01-01-2014)“…An attempt to control an unsteady flow separation from a flat plate surface using a jet ejection is carried out. The unsteady flow is artificially generated by…”
Get full text
Journal Article -
11
Ligament formation and droplet breakup on disk-type and cup-type rotary atomizers
Published in Kikai Gakkai ronbunshū = Transactions of the Japan Society of Mechanical Engineers (01-06-2018)“…Behaviors of liquid films scattering from a disk-type or cup-type rotary atomizer are studied using computations based on the three-dimensional Smoothed…”
Get full text
Journal Article -
12
Numerical Study on Leading-Edge Receptivity to Freestream Vertical Vorticity
Published in Journal of fluid science and technology (01-01-2013)“…Three-dimensional numerical simulation of the flow around a leading edge of a flat plate when vortices with their axes normal to the flat plate surface is…”
Get full text
Journal Article -
13
Key structure which initiate laminar-turbulent transition process in boundary layer with streaky structures
Published in Kikai Gakkai ronbunshū = Transactions of the Japan Society of Mechanical Engineers (2018)“…Numerical simulations are carried out aimed at finding a key flow structure which leads to a laminar-turbulent transition of a boundary layer with streaky…”
Get full text
Journal Article -
14
Streamwise Interfaces of an Isolated Turbulent Region in a Laminar Boundary Layer
Published in Journal of fluid science and technology (01-01-2012)“…The streamwise interfaces of an isolated turbulent region in a flat plate boundary layer are investigated by performing a wind tunnel experiment. A…”
Get full text
Journal Article -
15
A hyperbolic partial differential equation model for filtering turbulent flows
Published in Computers & fluids (15-08-2019)“…A two dimensional partial differential equation scheme that uses a second-order hyperbolic diffusion equation for image denoising is developed to a three…”
Get full text
Journal Article -
16
Mixing Enhancement and Interface Characteristics in a Small-Scale Channel
Published in Journal of fluid science and technology (2008)“…The interface characteristics in a millimeter-scale channel are investigated in order to find a technique to speed up fluid mixing. The channel is fabricated…”
Get full text
Journal Article -
17
Active control of boundary-layer transition using a thin actuator
Published in JSME international journal. Series B, Fluids and thermal engineering (01-02-2001)“…An experimental study to generate T-S (Tollmien-Schlichting) waves and oblique waves in a flat plate boundary layer is carried out. This is considered to be…”
Get full text
Journal Article -
18
Numerical simulation of droplet-formation in rotary atomizer
Published in 力学快报(英文) (2019)“…Numerical simulations of the liquid flow scattering from rotary atomizers are performed using an incompressible smoothed particle hydrodynamics (SPH) method…”
Get full text
Journal Article -
19
Key structure in laminar-turbulent transition of boundary layer with streaky structures
Published in 力学快报(英文) (2019)“…A numerical simulation is performed to find out a key vortical structure in the laminar-turbulent transition. A low-speed streak is generated inside a laminar…”
Get full text
Journal Article -
20
Sound Suppression of Laminar Separating Flow over Cavity
Published in JSME International Journal Series B Fluids and Thermal Engineering (2006)“…A passive control of aerodynamic noise generated by a laminar separating flow over a cavity is carried out in a wind tunnel test and by numerical simulation,…”
Get full text
Journal Article Conference Proceeding