This study considers an MHD Jeffery-Hamel nanofluid flow with distinct nanoparticles such as copper,Al_(2)O_(3)and SiO_(2)between two rigid non-parallel plane walls with the fuzzy extension of the generalized dual par...This study considers an MHD Jeffery-Hamel nanofluid flow with distinct nanoparticles such as copper,Al_(2)O_(3)and SiO_(2)between two rigid non-parallel plane walls with the fuzzy extension of the generalized dual parametric homotopy algorithm.The nanofluids have been formulated to enhance the thermophysical characteristics of fluids,including thermal diffusivity,conductivity,convective heat transfer coefficients and viscosity.Due to the presence of distinct nanofluids,a change in the value of volume fraction occurs that influences the velocity profiles of the flow.The short value of nanoparticles volume fraction is considered an uncertain parameter and represented in a triangular fuzzy number range among[0.0,0.1,0.2].A novel generalized dual parametric homotopy algorithm with fuzzy extension is used here to study the fuzzy velocities at various channel positions.Finally,the effectiveness of the proposed approach has been demonstrated through a comparison with the available results in the crisp case.展开更多
工控组态软件MCGS(Monitor and Control Generated System)能够提供友好的人机交互界面以及强大的通讯功能,但是计算能力不强,很难实现一些复杂的控制策略。运用Matlab和VB的跨平台编程技术来开发控制策略;在MATLAB中编写模糊自适应PID...工控组态软件MCGS(Monitor and Control Generated System)能够提供友好的人机交互界面以及强大的通讯功能,但是计算能力不强,很难实现一些复杂的控制策略。运用Matlab和VB的跨平台编程技术来开发控制策略;在MATLAB中编写模糊自适应PID算法并生成COM组件;在VB集成开发环境中调用该组件;通过接口程序嵌入MCGS组态软件中。实现了对过程工业对象锅炉温度的智能控制算法、现场信号和监控之间的有机结合,系统控制质量明显提高。展开更多
文摘This study considers an MHD Jeffery-Hamel nanofluid flow with distinct nanoparticles such as copper,Al_(2)O_(3)and SiO_(2)between two rigid non-parallel plane walls with the fuzzy extension of the generalized dual parametric homotopy algorithm.The nanofluids have been formulated to enhance the thermophysical characteristics of fluids,including thermal diffusivity,conductivity,convective heat transfer coefficients and viscosity.Due to the presence of distinct nanofluids,a change in the value of volume fraction occurs that influences the velocity profiles of the flow.The short value of nanoparticles volume fraction is considered an uncertain parameter and represented in a triangular fuzzy number range among[0.0,0.1,0.2].A novel generalized dual parametric homotopy algorithm with fuzzy extension is used here to study the fuzzy velocities at various channel positions.Finally,the effectiveness of the proposed approach has been demonstrated through a comparison with the available results in the crisp case.
文摘工控组态软件MCGS(Monitor and Control Generated System)能够提供友好的人机交互界面以及强大的通讯功能,但是计算能力不强,很难实现一些复杂的控制策略。运用Matlab和VB的跨平台编程技术来开发控制策略;在MATLAB中编写模糊自适应PID算法并生成COM组件;在VB集成开发环境中调用该组件;通过接口程序嵌入MCGS组态软件中。实现了对过程工业对象锅炉温度的智能控制算法、现场信号和监控之间的有机结合,系统控制质量明显提高。