demagnetizing factor

简明释义

消磁率

英英释义

The demagnetizing factor is a measure of the reduction in magnetic field strength due to the presence of a magnet's own magnetization, which opposes the external magnetic field.

去磁因子是衡量由于磁体自身的磁化存在而导致的磁场强度降低的指标,该磁化与外部磁场相对立。

例句

1.Researchers are studying how the demagnetizing factor influences the longevity of hard drives.

研究人员正在研究去磁因子如何影响硬盘的使用寿命。

2.In designing transformers, understanding the demagnetizing factor is crucial for efficiency.

在设计变压器时,理解去磁因子对效率至关重要。

3.The demagnetizing factor can affect the performance of magnetic materials under varying temperatures.

去磁因子会影响磁性材料在不同温度下的性能。

4.The engineer calculated the demagnetizing factor to ensure the magnetic field remains stable in the motor.

工程师计算了去磁因子以确保电动机中的磁场保持稳定。

5.To optimize the circuit, we need to account for the demagnetizing factor in our calculations.

为了优化电路,我们需要在计算中考虑去磁因子

作文

In the realm of physics and engineering, magnetism plays a crucial role in various applications, from electric motors to magnetic storage devices. One important concept that often arises in discussions about magnetism is the demagnetizing factor. The demagnetizing factor refers to a measure that quantifies the reduction in magnetic field strength within a material due to its own magnetic properties. Understanding this concept is essential for engineers and scientists who work with magnetic materials, as it influences how these materials behave under different conditions.To grasp the significance of the demagnetizing factor, we first need to understand what magnetization is. When a magnetic material is exposed to an external magnetic field, its magnetic domains align in the direction of the field, resulting in an overall magnetization. However, when the external field is removed, the material may not retain its magnetization fully. This is where the demagnetizing factor comes into play—it accounts for the internal interactions within the material that lead to a decrease in its magnetization.The demagnetizing factor is influenced by the shape and size of the magnetic material. For instance, a long, thin cylinder will have a different demagnetizing factor compared to a spherical object. This variation can significantly affect the performance of magnetic devices. In practical applications, engineers must consider the demagnetizing factor when designing components like transformers or inductors, where efficient magnetic performance is critical.Moreover, the demagnetizing factor is not just a theoretical concept; it has real-world implications. For example, in the manufacturing of permanent magnets, understanding the demagnetizing factor is essential to ensure that the magnets maintain their strength over time. If the demagnetizing factor is too high, the magnets may lose their effectiveness, leading to failures in devices that rely on them.Additionally, the demagnetizing factor can be affected by temperature changes. As the temperature increases, the thermal agitation of the atoms in a magnetic material can disrupt the alignment of magnetic domains, leading to an increase in the demagnetizing factor. This is particularly important in applications where temperature fluctuations are common, such as in automotive or aerospace industries.In conclusion, the demagnetizing factor is a fundamental aspect of magnetism that impacts the behavior of magnetic materials in various applications. By understanding and accounting for the demagnetizing factor, engineers can design more efficient and reliable magnetic devices. As technology continues to advance, the importance of mastering concepts like the demagnetizing factor will only grow, making it a vital area of study for future innovations in the field of magnetism.

在物理和工程领域,磁性在各种应用中发挥着关键作用,从电动机到磁存储设备。在关于磁性的讨论中,常常出现一个重要概念,即去磁因子去磁因子是指量化材料内部由于自身磁性而导致的磁场强度降低的一个指标。理解这个概念对于从事磁性材料工作的工程师和科学家至关重要,因为它影响这些材料在不同条件下的行为。要理解去磁因子的重要性,我们首先需要了解什么是磁化。当磁性材料暴露于外部磁场时,其磁畴会朝着磁场的方向排列,从而产生整体磁化。然而,当外部磁场被移除时,材料可能不会完全保留其磁化。这就是去磁因子发挥作用的地方——它考虑了材料内部相互作用导致的磁化减少。去磁因子受磁性材料的形状和大小的影响。例如,一个细长的圆柱体与一个球形物体的去磁因子会有所不同。这种变化可能会显著影响磁性设备的性能。在实际应用中,工程师在设计变压器或电感器等组件时必须考虑去磁因子,因为高效的磁性能至关重要。此外,去磁因子不仅仅是一个理论概念;它具有现实世界的影响。例如,在制造永久磁铁时,理解去磁因子对于确保磁铁能随着时间的推移保持其强度至关重要。如果去磁因子过高,磁铁可能会失去有效性,从而导致依赖于它们的设备发生故障。此外,温度变化也会影响去磁因子。随着温度的升高,磁性材料中原子的热运动可能会干扰磁畴的排列,从而导致去磁因子增加。这在汽车或航空航天等温度波动较大的应用中尤为重要。总之,去磁因子是磁性的重要方面,影响着各种应用中磁性材料的行为。通过理解和考虑去磁因子,工程师可以设计出更高效、更可靠的磁性设备。随着技术的不断进步,掌握像去磁因子这样的概念的重要性只会增加,这使其成为未来磁性领域创新研究的重要方向。

相关单词

factor

factor详解:怎么读、什么意思、用法