共振频率下粘弹性流动的最优特性
Optimal behavior of viscoelastic flow at resonant frequencies
摘要：
本文分析了麦克斯韦流体在管道中零平均振荡流动的全局熵产率，目的是确定其在共振流动条件下的行为。这个量是明确计算使用的速度场的解析表达式，并假设等温条件。全局熵产生率在流动显示最大速度的共振频率处显示出定义明确的峰值。有人发现，谐振频率可以被认为是最佳的意义上，他们最大限度地提高了功率传输到脉动流的最大耗散的代价。
英文摘要：
The global entropy generation rate in the zero-mean oscillatory flow of a Maxwell fluid in a pipe is analyzed with the aim at determining its behavior at resonant flow conditions. This quantity is calculated explicitly using the analytic expression for the velocity field and assuming isothermal conditions. The global entropy generation rate shows well-defined peaks at the resonant frequencies where the flow displays maximum velocities. It was found that resonant frequencies can be considered optimal in the sense that they maximize the power transmitted to the pulsating flow at the expense of maximum dissipation.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
