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minor loop
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  “minor loop”译为未确定词的双语例句
     As a result of the complexity of the assembly process of magic ring, the permanent magnet segments are constrained to move according to predetermined mode. The paper analyzes numerically the assembly process of permanent magic ring combining Preisach hysteresis model with FEM, and applies hysteresis loop including minor loop to the numerical computation.
     针对魔环组装过程的复杂性,本文假设组成魔环的各永磁块按照预定路线装配,利用Fortran语言,通过自编程序将Preisach磁滞模型和有限元分析相结合,实现了对强磁场永磁魔环结构装配过程的数值计算。
短句来源
     Based on studies of hysteresis characteristics of ferromagnetic elements in power system, the paper presents a simple algorithm, which accounts for the characteristics of ferromagnetic elements such as saturation, hysteresis and dynamic hysteresis, and the multi valued hysteresis behaviour is simulated as a major loop and a set of minor loop trajectories.
     在分析电力系统铁磁元件磁滞特性的基础上,将多值的励磁特性模拟为一个主磁滞回环和动态磁滞回环族,建立了计及铁芯饱和、磁滞、动态磁滞回环等特性的铁磁元件的数学模型,并给出算例。
短句来源
     Major and minor loop areas are computed from simulated B / H characteristics and thereby the hysteresis and eddy current components of the measured no-load loss are calcu1ated.
     根据模拟的B/H特性曲线求出主磁滞回线和小磁滞回线的面积,从而计算出空载损耗实测值中的磁滞损耗和涡流损耗分量。
短句来源
     This paper briefly summarize the formation mechanism,the relationship between main loop and minor loop and the controd method of PZT nonlinear characteristic.
     文章简要地叙述了国内外关于压电元件非线性特性在形成机理、外环非线性、内环非线性及其控制方法等几个方面研究的进展。
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  相似匹配句对
     minor.
     minor.
短句来源
     minor All.
     minor A11., N.
短句来源
     The Transmission Loop
     传输环路
短句来源
     The Construction of the LOOP Algebras
     LOOP代数的结构
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  minor loop
By adopting one of commercially available MR fluids, both the minor loop property and the wiping-out property are experimentally examined via the rotational rheometer.
      
The loss of a minor loop is constant irrespective of the point where a loop is made as long as amplitude is the same.
      
The core loss includes eddy current loss, excess loss and hysteresis loss which has taken minor loop of the magnetization curve into account.
      
Response of simplified model for both major and minor loop loading 3.2.3.
      
Minor loop loading cycles are those loading cycles that do not result in complete transformation from austenite to martensite and back to austenite.
      
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Magnetization and demagnetization curves and hysteresis loops applied different magnetizing fields in sintered Nd-Fe-B and Nd-Dy-Fe-B magnets from thermally demagnetized and dc field-demagnetized states were investigated at temperatures of up to 150℃. The dc field-demagnetized state of magnets was obtained by a recoil through the origin after saturation magnetization with 100kOe pulsed field and de field of 30 kOe and demagnetization with de field at room temperature. The remagnetization curves along easy...

Magnetization and demagnetization curves and hysteresis loops applied different magnetizing fields in sintered Nd-Fe-B and Nd-Dy-Fe-B magnets from thermally demagnetized and dc field-demagnetized states were investigated at temperatures of up to 150℃. The dc field-demagnetized state of magnets was obtained by a recoil through the origin after saturation magnetization with 100kOe pulsed field and de field of 30 kOe and demagnetization with de field at room temperature. The remagnetization curves along easy axis from de field-demagnetized state show a flat part before steeply rising near the field equalled absolute value of the maximum intrinsic coercivity. The curves of coercive forces _MH_c versus remagnetizing fields H_m from dc field-demagnetized state at room temperature show a step around magnetizing field as absolute value of the maximum intrinsic coercivity. The steps of _MH_c-H_m curves shifte to lower remagnetizing fields and the shapes of magnetization curves changed from step-type to precipitous-type when temperature went up to 100℃ to 150℃ or after the specimen was thermally demagnetized at a temperature higher than the Curie temperature. The steep rise of knee coercivity with increasing magnetizing field is behind that of _MH_c.The minor loops during remagnetizing from dc field-demagnetied state and during demagnetization after saturation are almost reversibly traced with no significant loop area.Note that the magnetic hardening in sintered Nd-Fe-B based magnets is controlled by pinning of domain walls.

研究了热退磁态和磁场退磁态Nd-Fe-B和Nd-Dy-Fe-B烧结磁体室温至150℃不同磁化场的磁化曲线、退磁曲线和磁滞回线。室温下磁场退磁态磁化曲线和内禀矫顽力_MH_C随磁化场H_M的变化曲线在磁化场接近样品最大内禀矫顽力绝对值时出现台阶,当温度升至100~150℃或样品在居里温发以上热退磁后,磁化曲线的形状由阶梯型变成陡峭型,而且_MH_C—H_M曲线的台阶移到低磁化场。膝点矫顽力H_K随H_M的快速升高出现在_MH_C随H_M的快速升高之后。表明Nd-Fe-B烧结磁体的磁硬化主要被畴壁钉扎所控制。

This paper presents an efficient algorithm for calculating the transient performance of a power network containing ferromagnetic elements. A new hysteresis model is proposed, the multi-valued hysteresis behaviour is simulated as a major loop and a set of minor loop trajectories. The major loop is represented in analytic formulae, and the minor loop trajectory is created in terms of a nonlinear displacement from the major loop. The transient calculation is performed by beginning with magnetising...

This paper presents an efficient algorithm for calculating the transient performance of a power network containing ferromagnetic elements. A new hysteresis model is proposed, the multi-valued hysteresis behaviour is simulated as a major loop and a set of minor loop trajectories. The major loop is represented in analytic formulae, and the minor loop trajectory is created in terms of a nonlinear displacement from the major loop. The transient calculation is performed by beginning with magnetising branches in the network, and the semi-explicit Runge-kutta method is used to solve the nonlinear ordinary differential equations related to magnetising currents, then the complete transient solution of the network can be obtained based on the calculated magnetising currents. A better agreement is shown between computer simulation result and experimental measurement.

本文介绍含多个铁磁元件电力网络的暂态计算方法。铁磁元件的计算模型计及磁滞效应。多值的励磁特性被等值地模拟为一个主磁滞回环和局部的次磁滞回线族,主磁滞回环由解析函数式加以表示,次磁滞回线按非线性变化的位移来生成。网络的暂态计算首先从励磁支路开始,对于描述励磁支路暂态的非线性微分方程,采用半隐式龙格—库特法直接求解,无需迭代运算。再从这些励磁支路解出发,求取整个网络的全解。由本文算法得出的计算结果能够与内模实验结果较好地吻合。

Based on studies of hysteresis characteristics of ferromagnetic elements in power system, the paper presents a simple algorithm, which accounts for the characteristics of ferromagnetic elements such as saturation, hysteresis and dynamic hysteresis, and the multi valued hysteresis behaviour is simulated as a major loop and a set of minor loop trajectories. An illustrative example is given, the results show that the accuracy of simulation meets the need of the demand, and it is also simpler than other methods....

Based on studies of hysteresis characteristics of ferromagnetic elements in power system, the paper presents a simple algorithm, which accounts for the characteristics of ferromagnetic elements such as saturation, hysteresis and dynamic hysteresis, and the multi valued hysteresis behaviour is simulated as a major loop and a set of minor loop trajectories. An illustrative example is given, the results show that the accuracy of simulation meets the need of the demand, and it is also simpler than other methods.

在分析电力系统铁磁元件磁滞特性的基础上,将多值的励磁特性模拟为一个主磁滞回环和动态磁滞回环族,建立了计及铁芯饱和、磁滞、动态磁滞回环等特性的铁磁元件的数学模型,并给出算例。结果表明,该模型不仅能较好模拟铁磁元件的动态磁化特性,而且方法简单。

 
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