Jove
Visualize
联系我们

相关概念视频

Magnetostatic Boundary Conditions01:28

Magnetostatic Boundary Conditions

1.6K
An electric field suffers a discontinuity at a surface charge. Similarly, a magnetic field is discontinuous at a surface current. The perpendicular component of a magnetic field is continuous across the interface of two magnetic mediums. In contrast, its parallel component, perpendicular to the current, is discontinuous by the amount equal to the product of the vacuum permeability and the surface current. Like the scalar potential in electrostatics, the vector potential is also continuous...
1.6K
Bootstrapping01:24

Bootstrapping

812
The term "bootstrap" originated in the 19th century as a metaphor for self-improvement or achieving something independently, without external assistance. This concept extends to statistical bootstrapping, a self-contained method for estimating population parameters through resampling, even though it can be computationally intensive. Developed by the American statistician Dr. Bradley Efron in 1979, bootstrapping provides a robust way to perform inference when the original sample size is...
812
Magnetic Field Of A Current Loop01:16

Magnetic Field Of A Current Loop

6.2K
Consider a circular loop with a radius a, that carries a current I. The magnetic field due to the current at an arbitrary point P along the axis of the loop can be calculated using the Biot-Savart law.
6.2K
Torque On A Current Loop In A Magnetic Field01:13

Torque On A Current Loop In A Magnetic Field

5.8K
The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
5.8K
Second Order systems I01:20

Second Order systems I

569
A servo system exemplifies a second-order system, featuring a proportional controller and load elements that ensure the output position aligns with the input position. The relationship between these components is described by a second-order differential equation. Applying the Laplace transform under zero initial conditions yields the transfer function, showing how inputs are converted to outputs in the system.
By reinterpreting the system, one can derive the closed-loop transfer function, which...
569
Second Order systems II01:18

Second Order systems II

389
In an underdamped second-order system, where the damping ratio ζ is between 0 and 1, a unit-step input results in a transfer function that, when transformed using the inverse Laplace method, reveals the output response. The output exhibits a damped sinusoidal oscillation, and the difference between the input and output is termed the error signal. This error signal also demonstrates damped oscillatory behavior. Eventually, as the system reaches a steady state, the error diminishes to zero.
389

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Pellet Rocket Effect in Magnetic Confinement Fusion Plasmas.

Physical review letters·2025
Same author

Gyrokinetic electrostatic turbulence close to marginality in the Wendelstein 7-X stellarator.

Physical review. E·2022
Same author

FIDEPOC: Consensus on Inspiratory Flow and Lung Deposition as Key Decision Factors in COPD Inhaled Therapy.

International journal of chronic obstructive pulmonary disease·2022
Same author

Corrigendum: Theory of plasma confinement in non-axisymmetric magnetic fields (2014<i>Rep. Prog. Phys</i>.<b>77</b>087001).

Reports on progress in physics. Physical Society (Great Britain)·2018
Same author

Theory of plasma confinement in non-axisymmetric magnetic fields.

Reports on progress in physics. Physical Society (Great Britain)·2014
Same author

Extreme-value distributions and renormalization group.

Physical review. E, Statistical, nonlinear, and soft matter physics·2012
Same journal

Erratum: Low-dimensional model for adaptive networks of spiking neurons [Phys. Rev. E 111, 014422 (2025)].

Physical review. E·2026
Same journal

Disentangling the effects of many-body forces on depletion interactions.

Physical review. E·2026
Same journal

Charge transport and mode transition in dual-energy electron beam diodes.

Physical review. E·2026
Same journal

Optimization of multisite reactions in complex compartmentalized media.

Physical review. E·2026
Same journal

Origin of geometric cohesion in nonconvex granular materials: Interplay between interdigitation and rotational constraints enhancing frictional stability.

Physical review. E·2026
Same journal

Interaction of walkers with a standing Faraday wave.

Physical review. E·2026
查看所有相关文章
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关实验视频

Updated: Jan 17, 2026

A 100 KW Class Applied-field Magnetoplasmadynamic Thruster
11:47

A 100 KW Class Applied-field Magnetoplasmadynamic Thruster

Published on: December 22, 2018

9.6K

零碎的万能恒星器具有零启动电流.

Iván Calvo1, José Luis Velasco1, Per Helander2

  • 1CIEMAT, Laboratorio Nacional de Fusión, 28040 Madrid, Spain.

Physical review. E
|September 16, 2025
PubMed
概括
此摘要是机器生成的。

零碎的万能场提供了一个新的恒星器设计方法,提供小的辐射新古典传输和零启动电流. 这扩大了核聚变反应堆开发的选择.

更多相关视频

X-ray Beam Induced Current Measurements for Multi-Modal X-ray Microscopy of Solar Cells
10:16

X-ray Beam Induced Current Measurements for Multi-Modal X-ray Microscopy of Solar Cells

Published on: August 20, 2019

14.4K
Optimization, Test and Diagnostics of Miniaturized Hall Thrusters
12:22

Optimization, Test and Diagnostics of Miniaturized Hall Thrusters

Published on: February 16, 2019

9.5K

相关实验视频

Last Updated: Jan 17, 2026

A 100 KW Class Applied-field Magnetoplasmadynamic Thruster
11:47

A 100 KW Class Applied-field Magnetoplasmadynamic Thruster

Published on: December 22, 2018

9.6K
X-ray Beam Induced Current Measurements for Multi-Modal X-ray Microscopy of Solar Cells
10:16

X-ray Beam Induced Current Measurements for Multi-Modal X-ray Microscopy of Solar Cells

Published on: August 20, 2019

14.4K
Optimization, Test and Diagnostics of Miniaturized Hall Thrusters
12:22

Optimization, Test and Diagnostics of Miniaturized Hall Thrusters

Published on: February 16, 2019

9.5K

科学领域:

  • 血物理学的等离子体物理学
  • 核聚变能源的研究.
  • 磁性封闭的核聚变是什么?

背景情况:

  • 准同动力恒星器以前是唯一具有低新古典运输和零启动电流的配置.
  • 控制磁性配置对于恒星反应堆的设计至关重要.

研究的目的:

  • 为了研究在恒星星器配置中的片状万能场的潜力.
  • 为了证明逐块的万能字段可以实现零启动电流.

主要方法:

  • 概念的分析证明. 概念的分析证明.
  • 数字模拟来证实理论发现.

主要成果:

  • 已经证明了零启动电流的片式万能场的存在.
  • 数字结果验证了分析结果.
  • 零碎的万能性显著扩大了恒星器配置的范围.

结论:

  • 零碎的万能场代表了恒星反应堆设计的可行替代方案.
  • 这种方法有助于控制磁体配置.
  • 为实现高效的核聚变能源提供了一条新的途径.