The Hall and ion-slip effects on fully developed electrically conducting couple stress fluid flow between vertical parallel plates in the presence of a temperature dependent heat source are investigated. The governing...The Hall and ion-slip effects on fully developed electrically conducting couple stress fluid flow between vertical parallel plates in the presence of a temperature dependent heat source are investigated. The governing non-linear partial differential equations are transformed into a system of ordinary differential equations using similarity transformations. The resulting equations are then solved using the homotopy analysis method （HAM）. The effects of the magnetic parameter, Hall parameter, ion-slip parameter and couple stress fluid parameter on velocity and temperature are discussed and shown graphically展开更多
设计了一种新型霍尔式角度传感器,详细阐述了传感器的机械结构和工作原理,根据磁路定律和霍尔效应推导了传感器的输出特性,表明传感器工作时能够直接输出与旋转角度成正比的霍尔电势。由于霍尔传感器的输出采用差动式连接,不存在零点剩...设计了一种新型霍尔式角度传感器,详细阐述了传感器的机械结构和工作原理,根据磁路定律和霍尔效应推导了传感器的输出特性,表明传感器工作时能够直接输出与旋转角度成正比的霍尔电势。由于霍尔传感器的输出采用差动式连接,不存在零点剩余电压。建立了传感器的有限元模型,对其工作时的磁场情况进行了仿真,验证了传感器测量原理的正确性。最后对传感器样机进行了特性测定,实验结果表明传感器的灵敏度约为105 m V/(°),线性误差约为0. 12%,重复性误差约为0. 19%。展开更多
The anomalous films grown on GaAs（110） Hall effect in epitaxial Fe（110） is investigated as a function of both film thickness and temperature. The Berry curvatureinduced intrinsic contribution of 996 Ω^-1 cm^-1 is...The anomalous films grown on GaAs（110） Hall effect in epitaxial Fe（110） is investigated as a function of both film thickness and temperature. The Berry curvatureinduced intrinsic contribution of 996 Ω^-1 cm^-1 is determined experimentally for the first time. Together with 821 Ω^-1 cm^-1 in Fe（111） and 1100 Ω^-1 cm^-1 in Fe（001） obtained earlier, we show unambiguously the anisotropy of the Berry curvature contribution to the anomalous Hall effect in single-crystal Fe.展开更多
文摘The Hall and ion-slip effects on fully developed electrically conducting couple stress fluid flow between vertical parallel plates in the presence of a temperature dependent heat source are investigated. The governing non-linear partial differential equations are transformed into a system of ordinary differential equations using similarity transformations. The resulting equations are then solved using the homotopy analysis method （HAM）. The effects of the magnetic parameter, Hall parameter, ion-slip parameter and couple stress fluid parameter on velocity and temperature are discussed and shown graphically
文摘设计了一种新型霍尔式角度传感器,详细阐述了传感器的机械结构和工作原理,根据磁路定律和霍尔效应推导了传感器的输出特性,表明传感器工作时能够直接输出与旋转角度成正比的霍尔电势。由于霍尔传感器的输出采用差动式连接,不存在零点剩余电压。建立了传感器的有限元模型,对其工作时的磁场情况进行了仿真,验证了传感器测量原理的正确性。最后对传感器样机进行了特性测定,实验结果表明传感器的灵敏度约为105 m V/(°),线性误差约为0. 12%,重复性误差约为0. 19%。
基金supported by the National Basic Research Program of China(2015CB921400 and 2011CB921802)the National Natural Science Foundation of China(11374057,11434003 and 11421404)
文摘The anomalous films grown on GaAs（110） Hall effect in epitaxial Fe（110） is investigated as a function of both film thickness and temperature. The Berry curvatureinduced intrinsic contribution of 996 Ω^-1 cm^-1 is determined experimentally for the first time. Together with 821 Ω^-1 cm^-1 in Fe（111） and 1100 Ω^-1 cm^-1 in Fe（001） obtained earlier, we show unambiguously the anisotropy of the Berry curvature contribution to the anomalous Hall effect in single-crystal Fe.
