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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 28
  3. Journal of Mechanical Science and Technology : Volume 28, Issue 2, February 2014
  4. Shelter effect of a fir tree with different porosities
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 28, Issue 12, December 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 11, November 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 10, October 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 9, September 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 8, August 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 7, July 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 6, June 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 5, May 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 4, April 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 3, March 2014
Journal of Mechanical Science and Technology : Volume 28, Issue 2, February 2014
Damping identification in rotors from run-up beat responses using Hilbert transforms
Manufacturing yield and cost estimation of a MEMS accelerometer based on statistical uncertainty analysis
Fast pattern recognition inspection system (FPRIS) for machine vibration
Low-velocity impact-induced delamination detection by use of the S$_{0}$ guided wave mode in cross-ply composite plates: A numerical study
Transverse vibration of flexible hoisting rope with time-varying length
Estimation of muscle and joint forces in the human lower extremity during rising motion from a seated position
Reducing the seat vibration of vehicle by semi active force control technique
3D finite element analysis of stress distributions and strain energy release rates for adhesive bonded flat composite lap shear joints having pre-existing delaminations
Physical and tribological diagnostic of Ti-(Carbon Nitrides) and Ti-Nb-(Carbon Nitrides) coatings
Mechanical properties of graphite/aluminum metal matrix composite joints by friction stir spot welding
Numerical prediction of rotordynamic coefficients for an annular-type plain-gas seal using 3D CFD analysis
Quantitative analysis on the depletion rate of β-NiAl phases in MCrAlY coating
A formula for the crack opening level under random loading in 2024-T351 aluminum alloy
Investigation of different aspects of laminar horseshoe vortex system using PIV
Effect of Reynolds numbers on flow past four square cylinders in an in-line square configuration for different gap spacings
A two-phase damping model on tube bundles subjected to two-phase cross-flow
Shelter effect of a fir tree with different porosities
Two-dimensional Stokes flow around a circular cylinder in a microchannel
An optimization approach for black-and-white and hinge-removal topology designs
A novel method of reverse engineering using axiomatic design
Optimization of the structural and process parameters in the sheet metal forming process
Non-contact measurement of the coefficient of thermal expansion of Al 6061-T6 with fiber Bragg grating sensors
Asymptotic decay rate of non-classical strain gradient Timoshenko micro-cantilevers by boundary feedback
A quadrilateral mesh generating method using mean value interpolation
Experimental analysis on cutting fluid dispersed with silver nano particles
Modelling and multi-response optimization of hole sinking electrical discharge micromachining of titanium alloy thin sheet
Optimizing the ethanol content of shear thickening fluid/fabric composites under impact loading
Dynamic hydrophobicity on flat and pillared graphite surfaces with different pillar surface fractions
Different finite element techniques to predict welding residual stresses in aluminum alloy plates
Development of 2-axis hybrid positioning system for precision contouring on micro-milling operation
Modeling of surface hardness in hot chamber die casting using Buckingham’s π approach
Development of highly reproducible test rig for pitch and yaw bearings of wind turbine
Delamination analysis of the helical milling of carbon fiber-reinforced plastics by using the artificial neural network model
Comparison of system performance on hot-gas bypass and variable speed compressor in an oil cooler for machine tools
Feasibility and performance study of turpentine fueled DI diesel engine operated under HCCI combustion mode
Inverse radiation-conduction estimation of temperature-dependent emissivity using a combined method of genetic algorithmand conjugate gradient
Development of variable temperature instrument for sensor calibration
Work and speed based engine operation condition analysis for new European driving cycle (NEDC)
Analysis of bioheat transfer equation for hyperthermia cancer treatment
Experimental and Numerical Investigation on the macroscopic characteristics of the jet discharging from gaseous direct injector
Relation between particulate emissions and exhaust smoke level in premixed charge compression ignition engine
Combustion and heat transfer characteristics inside the combustion chamber of a wood pellet boiler
An experimental study on the pressure drop and heat transfer through straight and curved small diameter tubes
Journal of Mechanical Science and Technology : Volume 28, Issue 1, January 2014
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 11

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Shelter effect of a fir tree with different porosities

Content Provider SpringerLink
Author Lee, Jin Pyung Lee, Eui Jae Lee, Sang Joon
Copyright Year 2014
Abstract Windbreak has been used for centuries as a natural wind-fence. The functional effects of windbreaks are directly related to the flow structure. In the present study, the flow around a real fir tree placed in a wind tunnel was quantitatively visualized using PIV (particle image velocimetry) technique. The effects of tree porosity and leaves on the shelter effect were investigated as well. Tree leaves not only reduce the porosity, but also increase the wind-speed reduction and turbulence kinetic energy in the leeward region behind the tree canopy. The leaves of tree canopy induce updraft toward the top region and downdraft toward the ground in the upstream region of the tree. The momentum difference of these two flows generates peculiar upwelling flow characteristics. The large reduction in mean velocities and turbulence intensities of flow around a tree is attributed to tree leaves providing a good shelter zone in the leeward region.
Starting Page 565
Ending Page 572
Page Count 8
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 28
Issue Number 2
e-ISSN 19763824
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 2014-02-14
Publisher Place Springer Netherlands
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Windbreak Porosity Sheltering effect PIV Fir tree Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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