方案摘要
方案下载应用领域 | 其他 |
检测样本 | 油墨 |
检测项目 | |
参考标准 | 暂无 |
Many materials, such as paints, clay suspensions, concrete or inks, are complex fluids which present non-Newtonian properties. To define their rheological properties and particularly for coarse suspensions (debris mud, sediments…), we need to develop specific devices because of the size of the particles within the fluid to reach the continuum assumption. The study of the inclined plane flows can be a solution as soon as we are able to measure the evolution of the free surface and the surface velocity during the flow. We have developed specific 3D measurements based on stereovision to extract rheological properties of two materials flowing down an inclined flow. First a shear thinning fluid (a polyoxyde ethylene solution) is used to validate the method which is then applied to a viscoplastic material (a bentonite suspension). The comparison of the results with conventional measurements using a rheometer is in good agreement.
在一个双稳湍流涡旋火焰中,对间歇性动态的时间-频率定位
Particle-laden Taylor-Couette流:高阶转变和径向局部波浪涡旋的证据
7根杆束的流体-结构相互作用:用实验数据对比数值模拟
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