magnetic permeability

简明释义

导磁率

英英释义

例句

1.High magnetic permeability is essential for inductors to function efficiently.

高磁导率对电感器高效工作至关重要。

2.The magnetic permeability of a material can change with temperature, affecting its magnetic properties.

材料的磁导率可能会随温度变化，从而影响其磁性特性。

3.Materials with low magnetic permeability are often used in electrical insulation.

低磁导率的材料常用于电气绝缘。

4.The material's magnetic permeability significantly affects its performance in electromagnetic applications.

材料的磁导率显著影响其在电磁应用中的性能。

5.In designing transformers, engineers must consider the magnetic permeability of the core materials.

在设计变压器时，工程师必须考虑核心材料的磁导率。

作文

Magnetic permeability is a fundamental property of materials that describes how well they can support the formation of magnetic fields within themselves. This property is crucial in the study of electromagnetism and plays a significant role in various applications, from electrical engineering to material science. In essence, magnetic permeability (磁导率) indicates how easily a magnetic field can penetrate a material. High magnetic permeability materials, such as iron, allow magnetic lines of force to pass through them with minimal resistance, making them ideal for use in transformers and inductors. On the other hand, materials with low magnetic permeability, like air or vacuum, hinder the formation of magnetic fields, which can be advantageous in certain applications where magnetic interference needs to be minimized.Understanding magnetic permeability is essential for engineers and scientists who design electrical devices. For example, in electric motors, the efficiency of the motor can be significantly affected by the choice of materials used in its construction. If a motor uses materials with high magnetic permeability, it can generate a stronger magnetic field, leading to better performance. Conversely, if inappropriate materials are selected, the motor may suffer from losses due to ineffective magnetic field generation.In addition to its importance in electrical engineering, magnetic permeability is also a key factor in magnetic resonance imaging (MRI). MRI machines rely on strong magnetic fields to create detailed images of the inside of the human body. The choice of materials in the construction of these machines is critical; components with high magnetic permeability are often used to ensure that the magnetic fields are concentrated and directed effectively. This allows for clearer images and more accurate diagnoses in medical settings.Moreover, magnetic permeability varies between different materials and can change under different conditions, such as temperature and frequency of the applied magnetic field. This variability can be exploited in various technologies. For instance, ferrite materials, which have high magnetic permeability, are often used in high-frequency applications, such as radio frequency identification (RFID) systems. These materials help to enhance the performance and efficiency of such systems by ensuring that the magnetic fields are utilized effectively.In summary, magnetic permeability is a crucial property that influences the behavior of materials in the presence of magnetic fields. Its applications span across multiple fields, including electrical engineering, medical imaging, and telecommunications. A solid understanding of magnetic permeability and its implications can lead to better designs and innovations in technology. As we continue to advance in our understanding of materials and their properties, the significance of magnetic permeability will undoubtedly grow, paving the way for new discoveries and improvements in various industries.

磁导率是材料的一个基本属性，描述了它们在自身内部支持磁场形成的能力。这一属性在电磁学研究中至关重要，并在从电气工程到材料科学的各种应用中发挥着重要作用。简单来说，magnetic permeability（磁导率）表示磁场穿透材料的难易程度。高magnetic permeability材料，如铁，允许磁力线以最小的阻力通过它们，使其成为变压器和电感器的理想选择。另一方面，低magnetic permeability的材料，如空气或真空，则会阻碍磁场的形成，这在某些需要最小化磁干扰的应用中可能是有利的。理解magnetic permeability对设计电气设备的工程师和科学家至关重要。例如，在电动机中，电动机的效率可能会因所用材料的选择而受到显著影响。如果电动机使用高magnetic permeability的材料，它可以产生更强的磁场，从而提高性能。相反，如果选择不当的材料，电动机可能会由于磁场生成效果不佳而遭受损失。除了在电气工程中的重要性之外，magnetic permeability还是磁共振成像（MRI）的关键因素。MRI机器依赖强磁场来创建人体内部的详细图像。这些机器的构造材料的选择至关重要；通常使用高magnetic permeability的组件，以确保磁场被有效集中和引导。这使得图像更加清晰，医疗环境中的诊断更加准确。此外，magnetic permeability在不同材料之间变化，并且在不同条件下（如温度和施加的磁场频率）可能会变化。这种可变性可以在各种技术中加以利用。例如，具有高magnetic permeability的铁氧体材料通常用于高频应用，如射频识别（RFID）系统。这些材料有助于提高此类系统的性能和效率，确保磁场得到有效利用。总之，magnetic permeability是一个关键属性，影响材料在磁场存在下的行为。其应用跨越多个领域，包括电气工程、医学成像和电信。对magnetic permeability及其影响的深入理解可以带来更好的设计和技术创新。随着我们对材料及其属性理解的不断深入，magnetic permeability的重要性无疑将会增长，为各个行业的新发现和改进铺平道路。