magnetos

简明释义

英[ˈmæɡnɪtoʊz]美[ˈmæɡnɪtoʊz]

n. 磁发电机（magneto 的变形）

英英释义

单词用法

同义词

反义词

例句

1.I read him checklists, learning words like “aileron, ” “magnetos, ” and “pitot” that no one else in my first-grade class knew.

我给他念设备清单，学会了很多其他一年级学生都不认识的词，像“副翼”、“磁发电机”和“空速管”。

2.I read him checklists, learning words like “aileron, ” “magnetos, ” and “pitot” that no one else in my first-grade class knew.

我给他念设备清单，学会了很多其他一年级学生都不认识的词，像“副翼”、“磁发电机”和“空速管”。

3.In vintage cars, the ignition system relies on magnetos 磁电机 to start the engine.

在老式汽车中，点火系统依赖于磁电机来启动发动机。

4.The technician replaced the faulty magnetos 磁电机 to improve the performance of the generator.

技术员更换了故障的磁电机以提高发电机的性能。

5.The workshop specializes in repairing magnetos 磁电机 for various types of machinery.

这家车间专门修理各种机器的磁电机。

6.Many small engines use magnetos 磁电机 for reliable ignition without a battery.

许多小型发动机使用磁电机来实现无需电池的可靠点火。

7.The engineer explained how the magnetos 磁电机 work in generating electricity for the aircraft.

工程师解释了磁电机是如何在飞机上发电的。

作文

In the world of physics and engineering, the term magnetos refers to devices that generate electrical energy through the use of magnetic fields. These devices are crucial in various applications, particularly in the automotive and aerospace industries, where they play a vital role in the ignition systems of internal combustion engines. Understanding how magnetos function can provide insights into the principles of electromagnetism and energy conversion.A magneto typically consists of a rotor and a stator. The rotor is a rotating component that is often equipped with permanent magnets. As the rotor spins, these magnets create a changing magnetic field around the stator, which is usually composed of coils of wire. According to Faraday's law of electromagnetic induction, a changing magnetic field induces an electric current in the nearby coils. This principle is what allows magnetos to generate electricity without needing an external power source.One of the most significant advantages of magnetos is their ability to operate independently of the vehicle's electrical system. This feature is particularly beneficial in situations where reliability is paramount, such as in aviation. For example, in small aircraft, magnetos are used to ignite the fuel-air mixture in the engine's cylinders. Because they do not rely on a battery or other electrical components, magnetos ensure that the engine can start even if the electrical system fails.Moreover, magnetos are known for their simplicity and durability. They have fewer moving parts compared to other ignition systems, which reduces the chances of mechanical failure. This robustness makes them a preferred choice in various applications where maintenance and reliability are critical.In addition to their use in engines, magnetos can also be found in some types of generators and alternators. In these contexts, they serve to convert mechanical energy into electrical energy, providing power for various applications. The versatility of magnetos highlights their importance in modern technology.However, magnetos are not without their limitations. One challenge is that they can be less efficient at low speeds. Since the amount of electricity generated is directly related to the speed of the rotor, magnetos may struggle to produce sufficient power during startup or at low engine speeds. This limitation has led to the development of hybrid systems that combine magnetos with other forms of ignition to enhance performance across a broader range of operating conditions.In conclusion, magnetos are fascinating devices that exemplify the principles of electromagnetism and energy conversion. Their ability to generate electricity without relying on an external power source makes them invaluable in various applications, especially in the automotive and aerospace sectors. Despite their limitations, the simplicity, durability, and reliability of magnetos continue to make them a popular choice in many engineering solutions. By understanding how magnetos work, we can appreciate the intricate relationship between magnetism and electricity, which is fundamental to countless technologies we rely on today.

在物理和工程的世界中，术语magnetos指的是通过使用磁场生成电能的设备。这些设备在各种应用中至关重要，特别是在汽车和航空航天工业中，它们在内燃机的点火系统中发挥着重要作用。了解magnetos的工作原理可以提供关于电磁学和能量转换原理的洞察。一个magneto通常由转子和定子组成。转子是一个旋转部件，通常配有永磁体。当转子旋转时，这些磁体在定子周围产生变化的磁场，定子通常由线圈组成。根据法拉第电磁感应定律，变化的磁场在附近的线圈中诱导出电流。这一原理使得magnetos能够在没有外部电源的情况下生成电力。magnetos的一个显著优点是它们能够独立于车辆的电气系统运行。这一特性在可靠性至关重要的情况下尤其有利，例如在航空领域。例如，在小型飞机中，magnetos用于点燃发动机气缸中的燃料-空气混合物。由于它们不依赖于电池或其他电气组件，magnetos确保即使电气系统发生故障，发动机也能启动。此外，magnetos以其简单和耐用而闻名。与其他点火系统相比，它们的运动部件较少，这减少了机械故障的可能性。这种坚固性使它们成为各种应用中维护和可靠性至关重要的首选。除了在发动机中的应用外，magnetos还可以在一些类型的发电机和交流发电机中找到。在这些情况下，它们用于将机械能转化为电能，为各种应用提供动力。magnetos的多功能性突显了它们在现代技术中的重要性。然而，magnetos并非没有局限性。一个挑战是它们在低速时的效率可能较低。由于生成的电量与转子的转速直接相关，magnetos在启动或低发动机转速时可能难以产生足够的电力。这一限制促使开发混合系统，将magnetos与其他形式的点火结合，以增强在更广泛操作条件下的性能。总之，magnetos是展示电磁学和能量转换原理的迷人设备。它们在不依赖外部电源的情况下生成电力的能力使它们在各种应用中变得无价，特别是在汽车和航空航天领域。尽管存在局限性，magnetos的简单性、耐用性和可靠性仍然使它们成为许多工程解决方案中的热门选择。通过理解magnetos的工作原理，我们可以欣赏磁性和电力之间的复杂关系，这对我们今天依赖的无数技术至关重要。