Collaborative Research: Entangled Polymers in Time-Dependent Complex Flows: Experiment & Computation

摘要CTS-0095098B。这是西北大学和华盛顿大学提交的两份相同的提案之一。提出了一种实验和计算相结合的方法来研究粘弹性流体通过轴对称停滞点的周期性强迫产生的含时非均匀流动中的纠缠聚合物。这是西北大学的韦斯利·伯格哈特和华盛顿大学的巴明·霍马米共同努力的结果，实验部分在前者机构进行，而计算部分在后者机构进行。这两位研究人员在NSF的支持下，在早期的一项研究中成功地合作，研究了粘弹性流体的稳态轴对称停滞流动。他们建议将他们的工作扩展到随时间变化的流动中，以便在更复杂的流动情况下测试最好的分子流变模型。

AbstractCTS-0095098B. Khomami, Washington UniversityThis is one of two identical proposals submitted by Northwestern University and Washington University. A combined experimental and computational study is proposed to examine the entangled polymers in a time-dependent inhomogeneous flow generated by periodic forcing of a viscoelastic fluid past an axisymmetric stagnation point. This is a collaborative effort between Wesley Burghardt of Northwestern University and Bamin Khomami of Washington University with the experimental part carried out in the former institution while the computational part in the latter institution. These two investigators have collaborated successfully in an earlier study, with NSF support, of steady axisymmetric stagnation flow of viscoelastic fluids. They are proposing to extend their work to time-dependent flows in order to test the best molecular rheological models in more complex flow situations.