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Yang Z., Yang W. and Jia Q., Ground Viscous Effect on 2D Flow of Wing in Ground Proximity. Engineering Applications of Computational Fluid Mechanics. 2010, 4(4): 521-531.

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FN ISI Export Format
VR 1.0
PT  J
AU  Yang, ZG
Yang, W
Jia, Q
AF  Yang, Zhi-Gang
Yang, Wei
Jia, Qing
TI  GROUND VISCOUS EFFECT ON 2D FLOW OF WING IN GROUND PROXIMITY
SO  ENGINEERING APPLICATIONS OF COMPUTATIONAL FLUID MECHANICS
LA  English
DT  Article
DE  wing in ground effect; aerodynamics; viscous effect; boundary layer separation; numerical method
ID  COMPUTATIONAL ANALYSIS; AIRFOIL; AERODYNAMICS
AB  Viscous effect of wing in ground effect in wind tunnel test was investigated numerically. Ground settings in wind tunnel test were simulated by specifying different ground boundary conditions in CFD. It was revealed for fixed-ground based wind tunnel test that: boundary layer developed from the ground deforms effective ground surface and introduces a decreased effective ground clearance; a sharp increase in boundary layer thickness and adverse pressure gradient are captured, which is attributed to deceleration of flow under the leading edge; a separation bubble on ground forms in very small ground clearance and large angle of attack, which helps air flow around the leading edge and delays the stall; measured aerodynamics in fixed-ground based wind tunnel test are not accurate due to ground viscous boundary layer flow; ground viscous flow simulation is of great importance in in-depth studies on ground effect. The results obtained will be useful in developing and evaluating wind tunnel tests and studies for wing in ground effect craft.
C1  [Yang, Zhi-Gang; Yang, Wei; Jia, Qing] Tongji Univ, Shanghai Automot Wind Tunnel Ctr, Shanghai 201804, Peoples R China.
RP  Yang, W, Tongji Univ, Shanghai Automot Wind Tunnel Ctr, Shanghai 201804, Peoples R China.
EM  david_yangwei@yahoo.cn
FU  Shanghai Automotive Wind Tunnel Center ; Program for Changjiang Scholars and Innovative Research Team in University  
FX  The authors would like to recognize the support of Shanghai Automotive Wind Tunnel Center. This work was supported by Program for Changjiang Scholars and Innovative Research Team in University.
NR  20
TC  0
PU  HONG KONG POLYTECHNIC UNIV, DEPT CIVIL & STRUCTURAL ENG
PI  HONG KONG
PA  HUNG HOM, KOWLOON, HONG KONG, 00000, PEOPLES R CHINA
SN  1994-2060
J9  ENG APPL COMP FLUID
JI  Eng. Appl. Comp. Fluid Mech.
PD  DEC
PY  2010
VL  4
IS  4
BP  521
EP  531
PG  11
SC  Engineering, Multidisciplinary; Engineering, Mechanical; Mechanics
GA  697DK
UT  ISI:000285492600005
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