area of hysteresis loop

简明释义

磁滞回线面积

英英释义

例句

1.The area of hysteresis loop is crucial for understanding the magnetic properties of materials used in transformers.

对于理解变压器中使用的材料的磁性特性，滞回环面积至关重要。

2.In a stress-strain curve, the area of hysteresis loop indicates the energy dissipated as heat.

在应力-应变曲线中，滞回环面积表示以热量形式散失的能量。

3.By calculating the area of hysteresis loop, engineers can determine the efficiency of magnetic devices.

通过计算滞回环面积，工程师可以确定磁性设备的效率。

4.Reducing the area of hysteresis loop can improve the performance of electric motors.

减少滞回环面积可以提高电动机的性能。

5.The area of hysteresis loop represents the energy loss in a magnetic material during each cycle of magnetization.

磁性材料在每个磁化周期中，滞回环面积代表能量损失。

作文

The concept of the area of hysteresis loop is fundamental in understanding various physical phenomena, particularly in the fields of physics and engineering. Hysteresis refers to the lag between input and output in a system, often observed in magnetic and elastic materials. When a material is subjected to an external force, such as a magnetic field or mechanical stress, it undergoes changes in its properties. The area of hysteresis loop represents the energy loss that occurs during this process, which is critical for evaluating the efficiency of materials and systems.To illustrate this, consider a magnetic material being magnetized and demagnetized. As the magnetic field strength increases, the material becomes magnetized, aligning its internal magnetic domains. However, when the magnetic field is reduced, the material does not return to its original state immediately. Instead, it retains some magnetization due to the rearrangement of its magnetic domains. This behavior creates a loop when we graph the magnetic field strength against the magnetization of the material, resulting in what is known as a hysteresis loop.The area of hysteresis loop quantifies the energy lost as heat during one complete cycle of magnetization and demagnetization. This energy loss is significant in applications such as transformers and electric motors, where efficiency is paramount. Engineers strive to minimize the area of hysteresis loop to enhance the performance of these devices. A smaller area indicates lower energy loss, leading to more efficient operation.In addition to magnetic materials, hysteresis can also be found in other systems, such as elastic materials. For example, when rubber is stretched and then released, it does not return to its original shape immediately. The energy expended in stretching the rubber is not fully recovered, resulting in a hysteresis loop when plotting stress versus strain. The area of hysteresis loop in this context represents the energy dissipated as heat during deformation.Understanding the area of hysteresis loop is crucial for engineers and scientists working with materials that exhibit hysteretic behavior. By analyzing this area, they can make informed decisions about material selection and design, ensuring that products meet performance standards while minimizing energy losses. Moreover, advancements in material science continue to explore new methods to reduce the area of hysteresis loop, leading to innovations in energy-efficient technologies.In conclusion, the area of hysteresis loop serves as a vital indicator of energy loss in systems exhibiting hysteresis. Whether in magnetic or elastic materials, this concept helps us understand the efficiency of various applications. As technology progresses, the ability to minimize the area of hysteresis loop will play an essential role in developing more sustainable and efficient systems, ultimately benefiting both industry and the environment.

滞后回路的面积是理解各种物理现象的基础概念，特别是在物理和工程领域。滞后现象指的是系统中输入与输出之间的滞后，通常在磁性和弹性材料中观察到。当材料受到外部力的作用，例如磁场或机械应力时，它会经历属性的变化。滞后回路的面积表示在此过程中发生的能量损失，这对于评估材料和系统的效率至关重要。为了说明这一点，考虑一个被磁化和去磁化的磁性材料。当磁场强度增加时，材料被磁化，内部磁畴对齐。然而，当磁场减少时，材料不会立即恢复到原始状态。相反，由于其磁畴的重新排列，它保留了一些磁化。这种行为在我们绘制磁场强度与材料磁化之间的关系时形成了一个环路，即所谓的滞后回路。滞后回路的面积量化了在一次完整的磁化和去磁化周期中作为热量损失的能量。这种能量损失在变压器和电动机等应用中具有重要意义，在这些应用中，效率至关重要。工程师努力最小化滞后回路的面积以提高这些设备的性能。较小的面积表明能量损失较低，从而实现更高效的操作。除了磁性材料，滞后现象也可以在其他系统中找到，例如弹性材料。例如，当橡胶被拉伸然后释放时，它不会立即恢复到原始形状。拉伸橡胶所消耗的能量并没有完全回收，在应力与应变的图表中形成了一个滞后回路。在这种情况下，滞后回路的面积代表在变形过程中以热量形式散失的能量。理解滞后回路的面积对于从事表现出滞后行为的材料的工程师和科学家至关重要。通过分析这个面积，他们可以做出有关材料选择和设计的明智决策，确保产品满足性能标准，同时最大限度地减少能量损失。此外，材料科学的进步继续探索减少滞后回路的面积的新方法，从而推动能源高效技术的创新。总之，滞后回路的面积作为滞后系统中能量损失的重要指标。无论是在磁性还是弹性材料中，这一概念帮助我们理解各种应用的效率。随着技术的进步，能够最小化滞后回路的面积在开发更加可持续和高效的系统中将发挥至关重要的作用，最终使工业和环境受益。