hysteresis cycle

简明释义

磁滞循环

英英释义

例句

1.The energy loss during the hysteresis cycle is a critical factor in designing efficient electrical machines, as it relates to 滞后回路 losses.

在设计高效电机时，滞后回路期间的能量损失是一个关键因素，因为它与滞后回路损失有关。

2.The hysteresis cycle graph showed a clear difference between the loading and unloading phases, highlighting the 滞后回路 effect.

该滞后回路图表显示了加载和卸载阶段之间的明显差异，突出了滞后回路效应。

3.Researchers studied the hysteresis cycle of the rubber material to determine its elasticity and 滞后回路 characteristics.

研究人员研究了橡胶材料的滞后回路以确定其弹性和滞后回路特性。

4.The magnetic properties of the material were analyzed using the hysteresis cycle, which is essential for understanding 滞后回路 in ferromagnetic substances.

该材料的磁性特性通过使用滞后回路进行分析，这对于理解铁磁物质中的滞后回路至关重要。

5.In engineering, the hysteresis cycle can indicate how a system responds to changes over time, specifically in 滞后回路 behavior.

在工程学中，滞后回路可以表明系统如何随着时间变化而响应，特别是在滞后回路行为方面。

作文

In the realm of physics and engineering, the concept of hysteresis cycle plays a crucial role in understanding how materials respond to external forces. The term 'hysteresis' comes from the Greek word 'hysterein,' which means 'to lag behind.' This phenomenon occurs when the response of a system depends not only on its current state but also on its history. A classic example of this is seen in magnetic materials, where the magnetization of a material lags behind the applied magnetic field, resulting in a hysteresis cycle when plotted on a graph.The hysteresis cycle can be illustrated through the relationship between magnetic field strength (H) and magnetic flux density (B). When an external magnetic field is applied to a ferromagnetic material, the material becomes magnetized. As the magnetic field strength increases, the magnetization of the material also increases. However, when the external field is removed, the magnetization does not return to zero immediately; instead, it retains some magnetization, known as remanence. This lagging behavior results in a loop-shaped graph, which is characteristic of the hysteresis cycle.Understanding the hysteresis cycle is essential for various applications, particularly in the design of magnetic devices such as transformers, inductors, and magnetic storage media. Engineers must consider the energy losses associated with hysteresis, as these losses occur during each cycle of magnetization and demagnetization. The area enclosed within the hysteresis cycle graph represents the energy lost as heat due to the internal friction of the material's magnetic domains. Thus, minimizing the hysteresis loss is a key objective in material selection and device design.Moreover, the concept of hysteresis cycle extends beyond magnetism. It can also be observed in other physical systems, such as mechanical systems involving rubber or plastic materials. For example, when a rubber band is stretched and then released, it does not return to its original length immediately. Instead, it takes time to recover, demonstrating a similar lagging behavior. This is another manifestation of the hysteresis cycle, where the stress-strain relationship exhibits a loop when graphed.In summary, the hysteresis cycle is a fundamental concept that describes the lagging response of materials to external forces. It has significant implications in both magnetic and mechanical systems, influencing the design and efficiency of various devices. By studying the hysteresis cycle, scientists and engineers can better understand material behavior, optimize performance, and reduce energy losses in practical applications. As technology continues to advance, the importance of understanding hysteresis will only grow, paving the way for innovations in material science and engineering.

在物理和工程领域，滞回循环的概念在理解材料如何响应外部力方面发挥着至关重要的作用。术语“滞回”源自希腊词“hysterein”，意思是“滞后”。这一现象发生在系统的响应不仅依赖于其当前状态，还依赖于其历史。一个经典的例子是在磁性材料中，当材料的磁化滞后于施加的磁场时，就会在图表中产生一个滞回循环。滞回循环可以通过磁场强度（H）与磁通密度（B）之间的关系来说明。当外部磁场施加到铁磁材料上时，材料会被磁化。当磁场强度增加时，材料的磁化也会增加。然而，当外部场被去除时，磁化并不会立即恢复到零；相反，它保留了一些磁化，称为剩余磁化。这种滞后行为导致图形呈现出环形，这就是滞回循环的特征。理解滞回循环对于各种应用至关重要，特别是在变压器、电感器和磁存储介质等磁性设备的设计中。工程师必须考虑与滞回相关的能量损失，因为这些损失发生在每个磁化和去磁化的循环中。滞回循环图中封闭区域代表由于材料内部磁畴的摩擦而损失的热能。因此，最小化滞回损失是材料选择和设备设计的关键目标。此外，滞回循环的概念超越了磁学。它还可以在其他物理系统中观察到，例如涉及橡胶或塑料材料的机械系统。例如，当橡皮筋被拉伸然后释放时，它并不会立即恢复到原来的长度。相反，它需要时间才能恢复，表现出类似的滞后行为。这是滞回循环的另一种表现形式，其中应力-应变关系在图表中呈现出一个循环。总之，滞回循环是一个基本概念，描述了材料对外部力的滞后响应。它在磁性和机械系统中具有重要意义，影响着各种设备的设计和效率。通过研究滞回循环，科学家和工程师可以更好地理解材料行为，优化性能，并减少实际应用中的能量损失。随着技术的不断进步，理解滞回的重要性只会增加，为材料科学和工程领域的创新铺平道路。