hysteresis loss

简明释义

磁滞损失

英英释义

例句

1.In transformers, hysteresis loss 滞后损耗 can significantly affect energy consumption.

在变压器中，hysteresis loss 滞后损耗会显著影响能耗。

2.The hysteresis loss 滞后损耗 in the core of a transformer can lead to overheating if not properly managed.

变压器核心中的hysteresis loss 滞后损耗如果管理不当可能导致过热。

3.Engineers are researching new alloys that minimize hysteresis loss 滞后损耗 in high-frequency applications.

工程师们正在研究新合金，以最小化高频应用中的hysteresis loss 滞后损耗。

4.Reducing hysteresis loss 滞后损耗 in magnetic materials is crucial for developing better inductors.

降低磁性材料中的hysteresis loss 滞后损耗对于开发更好的电感器至关重要。

5.The design of electric motors must take into account the hysteresis loss 滞后损耗 to improve efficiency.

电动机的设计必须考虑到hysteresis loss 滞后损耗以提高效率。

作文

In the field of physics and engineering, the term hysteresis loss refers to the energy lost as heat during the magnetization and demagnetization of magnetic materials. This phenomenon occurs due to the lagging behavior of magnetic domains within a material when exposed to an alternating magnetic field. Essentially, when a magnetic material is magnetized, the magnetic domains align in the direction of the applied field, but when the field is removed, these domains do not return to their original random arrangement immediately. This delay results in energy loss, which manifests as heat. Understanding hysteresis loss is crucial for various applications, particularly in electrical engineering and materials science, where magnetic materials are commonly used.One of the most significant implications of hysteresis loss is its effect on the efficiency of electrical machines such as transformers and electric motors. In transformers, for instance, the core material experiences repeated magnetization cycles, leading to energy losses that can significantly impact overall performance. Engineers strive to minimize hysteresis loss by selecting materials with low hysteresis loops, which are graphical representations of the relationship between magnetic flux density and magnetic field strength. By choosing materials like silicon steel, which has a narrow hysteresis loop, the energy losses can be reduced, enhancing the efficiency of the device.Moreover, hysteresis loss is not only limited to magnetic materials but can also be observed in other systems, such as mechanical systems where friction plays a role. In these cases, energy is lost due to the lag between the applied force and the resulting movement, similar to how magnetic domains behave under an alternating field. The understanding of these losses extends beyond theoretical knowledge; it has practical implications in the design and optimization of various systems.The study of hysteresis loss involves both experimental and computational approaches. Researchers often conduct experiments to measure the losses in different materials under varying conditions, such as temperature and frequency. These experiments help in developing models that predict energy losses more accurately, which is essential for designing efficient systems. Furthermore, advancements in material science have led to the development of new alloys and composite materials that exhibit reduced hysteresis loss, providing engineers with better options for high-performance applications.In conclusion, hysteresis loss is a critical concept in the realms of physics and engineering, representing the energy lost during the magnetization process of materials. Its influence on the efficiency of electrical devices highlights the need for ongoing research and innovation in material selection and system design. As technology continues to evolve, understanding and mitigating hysteresis loss will remain a vital area of focus for engineers and scientists alike, ensuring that we can create more efficient and sustainable energy solutions for the future.

在物理和工程领域，术语滞后损耗指的是在磁性材料的磁化和去磁过程中以热量形式损失的能量。这种现象是由于材料内部磁畴在受到交变磁场时表现出的滞后行为所导致的。基本上，当磁性材料被磁化时，磁畴会朝着施加的磁场方向排列，但当磁场被移除时，这些磁畴并不会立即恢复到原来的随机排列。这种延迟导致能量损失，并表现为热量。理解滞后损耗对于各种应用至关重要，特别是在电气工程和材料科学领域，因为磁性材料被广泛使用。滞后损耗最显著的影响之一是它对电气机器（如变压器和电动机）效率的影响。例如，在变压器中，核心材料经历重复的磁化循环，导致能量损失，这可能显著影响整体性能。工程师们努力通过选择低滞后回线的材料来最小化滞后损耗，这些回线是表示磁通密度与磁场强度之间关系的图形表示。通过选择像硅钢这样的材料，它具有狭窄的滞后回线，可以减少能量损失，提高设备的效率。此外，滞后损耗不仅限于磁性材料，还可以在其他系统中观察到，例如摩擦起作用的机械系统。在这些情况下，由于施加的力与结果运动之间的滞后，能量会损失，这与磁畴在交变场下的行为类似。对这些损失的理解超越了理论知识；它在各种系统的设计和优化中具有实际意义。对滞后损耗的研究涉及实验和计算方法。研究人员通常进行实验，以测量不同材料在不同条件下（如温度和频率）下的损失。这些实验有助于开发更准确预测能量损失的模型，这对设计高效系统至关重要。此外，材料科学的进步导致新合金和复合材料的发展，这些材料表现出较低的滞后损耗，为工程师提供了更好的高性能应用选择。总之，滞后损耗是物理和工程领域中的一个关键概念，代表了在材料的磁化过程中损失的能量。它对电气设备效率的影响突显了在材料选择和系统设计中持续研究和创新的必要性。随着技术的不断发展，理解和减轻滞后损耗将继续成为工程师和科学家们关注的重要领域，确保我们能够为未来创造更高效和可持续的能源解决方案。