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仪器网/ 行业应用/ 解决方案/ 用PIV方法确定瞬态平面压力

用PIV方法确定瞬态平面压力

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Forces on flapping or rotating wings, like flapping wings of micro air
vehicles or blades of wind turbines are of great interest to engineers.
To investigate the ways birds and insects fly, forces created by flapping
wings are of importance to biologists. The pressure field, combined
with the velocity field, gives a complete description of the (incompressible)
flow dynamics. Furthermore the pressure field is the main contributor
to the aerodynamic loading of bodies immersed in the fluid.
Traditional techniques to determine pressure and forces rely on the
determination of surface pressure and integral loads by point pressure
and force balance measurements. In situations where it is difficult (or
impossible) to instrument the body, using particle image velocimetry
(PIV) velocity data to determine forces and pressure poses an interesting
alternative to the existing approaches to determine sectional loading. 德国LaVision PIV/PLIF粒子成像测速场仪 三维立体PIV 自适应粒子成像测速场仪(PIV) 体视层析粒子成像测速系统(Tomo-PIV) 时间分辨粒子成像测速系统(TR-PIV)
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