eddy current dynamometer

简明释义

涡流测功器

英英释义

例句

1.He calibrated the eddy current dynamometer before starting the test on the new prototype.

在对新原型进行测试之前，他先对涡流测功机进行了校准。

2.The engineer used an eddy current dynamometer to measure the torque output of the motor.

工程师使用涡流测功机来测量电动机的扭矩输出。

3.Using an eddy current dynamometer allows for non-contact measurement of rotational speed.

使用涡流测功机可以实现对转速的非接触式测量。

4.In our lab, we conduct experiments with an eddy current dynamometer for precise power measurements.

在我们的实验室，我们使用涡流测功机进行精确的功率测量实验。

5.The eddy current dynamometer is essential for testing the performance of automotive engines.

测试汽车发动机性能时，涡流测功机是必不可少的。

作文

An eddy current dynamometer is an essential device used in various engineering applications to measure the power output of engines and motors. The principle behind this device is based on the generation of eddy currents, which are loops of electrical current induced within conductors by a changing magnetic field. This phenomenon is crucial in understanding how energy is converted into mechanical work. The eddy current dynamometer operates without any physical contact between moving parts, which significantly reduces wear and tear, making it a reliable tool for testing performance.The design of an eddy current dynamometer typically consists of a rotor and a stator. The rotor is connected to the engine or motor whose power is being measured. When the rotor spins, it creates a changing magnetic field that induces eddy currents in the surrounding conductive material. These currents generate opposing magnetic fields that create a drag force against the rotor's motion. The amount of torque produced by this drag force is proportional to the power output of the engine or motor being tested.One of the key advantages of using an eddy current dynamometer is its ability to provide accurate measurements across a wide range of speeds and loads. This versatility makes it an ideal choice for both research and industrial applications. For instance, automotive engineers often use these dynamometers to test the performance of new engines, ensuring they meet efficiency and power standards before going into production. Additionally, the non-contact nature of the eddy current dynamometer allows for continuous operation without the need for frequent maintenance.Moreover, the eddy current dynamometer can be used in regenerative braking systems, where it helps in recovering energy that would otherwise be lost during braking. By converting kinetic energy back into electrical energy, this technology enhances the overall efficiency of electric and hybrid vehicles. This application highlights the importance of eddy current dynamometers in modern engineering, especially as the world shifts towards more sustainable energy solutions.In conclusion, the eddy current dynamometer serves as a vital instrument in measuring power output and improving the efficiency of various mechanical systems. Its unique operating principles, combined with the benefits of non-contact measurement, make it a preferred choice for engineers and researchers alike. As technology continues to advance, the role of eddy current dynamometers will likely expand, further contributing to innovations in energy efficiency and performance optimization across multiple industries.

涡流测功机是一种在各种工程应用中用于测量发动机和电动机功率输出的基本设备。该设备的原理基于涡流的产生，即在导体内由于变化的磁场而引发的电流环。理解这一现象对于理解能量如何转化为机械工作至关重要。涡流测功机在运动部件之间没有任何物理接触，这大大减少了磨损，使其成为测试性能的可靠工具。涡流测功机的设计通常由转子和定子组成。转子连接到被测功率的发动机或电动机。当转子旋转时，它会产生一个变化的磁场，从而在周围的导电材料中诱导出涡流。这些电流产生相反的磁场，形成对转子运动的阻力。由这种阻力产生的扭矩与被测发动机或电动机的功率输出成正比。使用涡流测功机的一个主要优点是它能够在广泛的速度和负载范围内提供准确的测量。这种多功能性使其成为研究和工业应用的理想选择。例如，汽车工程师常常使用这些测功机来测试新发动机的性能，以确保它们在投入生产之前符合效率和功率标准。此外，涡流测功机的非接触特性允许其在不需要频繁维护的情况下连续运行。此外，涡流测功机还可以用于再生制动系统，在制动过程中帮助回收本来会损失的能量。通过将动能转化为电能，这项技术提高了电动和混合动力汽车的整体效率。这一应用突显了涡流测功机在现代工程中的重要性，尤其是在世界向更可持续的能源解决方案转变之际。总之，涡流测功机作为测量功率输出和提高各种机械系统效率的重要仪器，其独特的操作原理以及非接触测量的优点，使其成为工程师和研究人员的首选。随着技术的不断进步，涡流测功机的作用可能会进一步扩展，为多个行业的能源效率和性能优化创新做出贡献。