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仪器网/ 行业应用/ 解决方案/ 逆压力梯度湍动边界层近壁面湍流结构双立体PIV研究

逆压力梯度湍动边界层近壁面湍流结构双立体PIV研究

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One of the fascinating phenomena of natural science which has gripped the attention of
many scientists is the problem of turbulence. Besides the ubiquitous variety and beauty
of turbulent phenomena, the inherent fascination and attraction are strongly connected
with the enormous difficulties associated to its physical and mathematical understanding.
As a general solution is out of reach, the properties of different idealized flows with simple
geometries are being examined experimentally and numerically.
Since its discovery by Prandtl, the boundary layer has been a subject of growing interest
and is still an active subject of research. Due to both its fundamental and technical
interest, the fully developed turbulent boundary layer in a nominally zero pressure gradient
(ZPG) has been examined extensively. A flow of equal importance and perhaps more
widely observed in practice is the turbulent boundary layer (TBL) in the presence of an
adverse pressure gradient (APG). This flow has not received the same attention as the
ZPG TBL due to its increased complexity and the necessity of firstly understanding the
ZPG situation. 德国LaVision PIV/PLIF粒子成像测速场仪 Imager sCMOS PIV相机 用于粒子成像测速(PIV)的荧光示踪粒子
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