• No results found

Velocity Profiles and Boundary Layer Thickness

The boundary layer of swimming fish

The boundary layer of swimming fish

... normal velocity profiles of the boundary layer surrounding live swimming fish were determined by digital particle tracking velocimetry, ...general, boundary layer profiles ...

22

Design and development of wind tunnel for contraction ratio effects to the velocity and boundary layer thickness

Design and development of wind tunnel for contraction ratio effects to the velocity and boundary layer thickness

... For the analysis data, it will base on the contraction ratio that affects the velocity in the wind tunnel. Besidesthat, flow of the fluids into the contraction section that different CR will be analyzed. By using ...

24

An estimate on the thickness of boundary layer for nonlinear evolution equations with damping and diffusion

An estimate on the thickness of boundary layer for nonlinear evolution equations with damping and diffusion

... the thickness of boundary layer for nonlinear evolution equations with damping and diffusion as the diffusion parameter β goes to ...the thickness of layer is of the order O( β γ ) with 0 ...

7

THE SENSITIVITY OF TURBINE CASCADE ENDWALL LOSS TO INLET BOUNDARY LAYER THICKNESS

THE SENSITIVITY OF TURBINE CASCADE ENDWALL LOSS TO INLET BOUNDARY LAYER THICKNESS

... inlet boundary layer causes the secondary vorticity at the cascade exit to be more dispersed within the passage, resulting in larger secondary flow structures with higher ...

13

Evaluating Two Layer Models for Velocity Profiles in Open Channels with Submerged Vegetation

Evaluating Two Layer Models for Velocity Profiles in Open Channels with Submerged Vegetation

... the velocity in the surface layer, they relate to the λ value in the ...predicted velocity by both models decreases as increasing k val- ue, because the larger the k value, the bigger λ becomes, ...

13

Scaling properties of velocity and temperature spectra above the surface friction layer in a convective atmospheric boundary layer

Scaling properties of velocity and temperature spectra above the surface friction layer in a convective atmospheric boundary layer

... Fig. 8. Temperature spectra scaled as in Fig. 7, but with wavenum- bers scaled using the mixed length scale (z z i ) 1/2 . This scaling col- lapses these spectra in the region of the main peaks. flow. These laboratory ...

15

. -I- by John B. Peterson, Jr. BOUNDARY-LAYER VELOCITY PROFILES DOWNSTREAM OF THREE-DIMENSIONAL TRANSITION TRIPS ON A FLAT PLATE AT MACH 3 AND 4

. -I- by John B. Peterson, Jr. BOUNDARY-LAYER VELOCITY PROFILES DOWNSTREAM OF THREE-DIMENSIONAL TRANSITION TRIPS ON A FLAT PLATE AT MACH 3 AND 4

... The procedure used to obtain the boundary-layer survey was to drive the probe toward the model after the tunnel was s t a r t e d until the fouling light indicated contact of the p[r] ...

90

Unsteady boundary layer flow of a Casson fluid past a wedge with wall slip velocity

Unsteady boundary layer flow of a Casson fluid past a wedge with wall slip velocity

... rheology, velocity slip at boundaries, thermal radiation, heat absorption/generation, and first-order chemical reactions on unsteady MHD mixed convective heat and mass transfer of a Casson fluid past a wedge in ...

12

Effects of Orbital Motion on the Velocity Field of Boundary Layer Flow over a Rotating Disk

Effects of Orbital Motion on the Velocity Field of Boundary Layer Flow over a Rotating Disk

... the velocity field of boundary layer flow over a rotating ...of velocity field at a fixed orbital angular section measured by a hot-wire anemometer show that the structure of the 3-dimensional ...

9

COMPARISON OF SINGLE AND X-WIRE MEASUREMENTS OF STREAMWISE VELOCITY FLUCTUATIONS IN TURBULENT BOUNDARY LAYER

COMPARISON OF SINGLE AND X-WIRE MEASUREMENTS OF STREAMWISE VELOCITY FLUCTUATIONS IN TURBULENT BOUNDARY LAYER

... turbulent boundary layers at zero pressure ...the boundary layer as close as the single-wire ...resultant velocity fluctuations in the xy plane ...the boundary layer ...

7

Velocity fluctuations and boundary layer structure in a rough Rayleigh-Bénard cell filled with water

Velocity fluctuations and boundary layer structure in a rough Rayleigh-Bénard cell filled with water

... mal boundary layer thickness. Yet the thermal boundary layer is thinner above the roughness than above the top smooth plate ...thermal boundary layer is about 1 ...of ...

11

Finding boundary layer top: Application of a wavelet covariance transform to lidar backscatter profiles

Finding boundary layer top: Application of a wavelet covariance transform to lidar backscatter profiles

... and boundary layer properties may be a better estimate of the local entrainment zone depth than the area-averaged value usually defined (Davis et ...marine boundary layers, and appears robust, per- ...

15

OVLI-TA: An Unmanned Aerial System for Measuring Profiles and Turbulence in the Atmospheric Boundary Layer

OVLI-TA: An Unmanned Aerial System for Measuring Profiles and Turbulence in the Atmospheric Boundary Layer

... humidity profiles, we checked the similarity between the observations collected during ascending and descending flight profiles, and compared the observations to those obtained with radiosonde ...down-ward ...

22

Characteristics of aerosol vertical profiles in Tsukuba, Japan, and their impacts on the evolution of the atmospheric boundary layer

Characteristics of aerosol vertical profiles in Tsukuba, Japan, and their impacts on the evolution of the atmospheric boundary layer

... The optical and physical properties in the FA varied greatly owing to the presence of transported aerosols. We in- vestigated the vertical profiles and backward trajectories of five transport events. In three ...

16

Effect of wave boundary layer on the sea-to-air dimethylsulfide transfer velocity during typhoon passage

Effect of wave boundary layer on the sea-to-air dimethylsulfide transfer velocity during typhoon passage

... Keywords: Dimethylsulfide; Sea-to-air gas transfer velocity; Wave boundary layer; Tropical cyclone; Drag coefficient; Wavewatch-III; South China Sea 1. Introduction The dominant natural source of ...

9

Velocity-defect laws, log law and logarithmic friction law in the convective atmospheric boundary layer

Velocity-defect laws, log law and logarithmic friction law in the convective atmospheric boundary layer

... atmospheric boundary layer, which we term the convective logarithmic friction ...neutral boundary layers, the Obukhov length replaces the boundary layer (inversion) height, because the ...

30

Demonstration of synchronised scanning Lidar measurements of 2D velocity fields in a boundary-layer wind tunnel

Demonstration of synchronised scanning Lidar measurements of 2D velocity fields in a boundary-layer wind tunnel

... 5 Dept. of Mechanical Engineering, Politecnico di Milano, Milan, Italy E-mail: [email protected] Abstract. This paper combines the currently relevant research methodologies of scaled wind turbine model ...

12

SOLUTION OF BOUNDARY LAYER

SOLUTION OF BOUNDARY LAYER

... the velocity profile remains the same along the ...nondimensional velocity profile u/u ∞ should remain unchanged when plotted against the nondimensional distance y/δ where δ is the thickness of the ...

25

Studies on Boundary Layer Parameters on Rough Surfaces in Turbulent Boundary Layer Zone

Studies on Boundary Layer Parameters on Rough Surfaces in Turbulent Boundary Layer Zone

... roughness, velocity distributions, boundary layer properties on flat plates and development of correlations which give a suitable value directly for the boundary layer parameters in ...

86

Swept boundary layer transition

Swept boundary layer transition

... inflow velocity of 3m/s, where the diffusion is in this case obtained by adjusting the target mass flow rates on the outflow boundary conditions, such as to artificially force asymmetry about the leading ...

280

Show all 10000 documents...

Related subjects