prony brake

简明释义

普郎尼制动动力计

英英释义

例句

1.The engineer used a prony brake to measure the torque of the motor during the test.

工程师使用prony brake来测量测试期间电动机的扭矩。

2.During the experiment, the technician adjusted the prony brake to achieve accurate readings.

在实验过程中，技术员调整了prony brake以获得准确的读数。

3.The prony brake is commonly used in laboratories for educational purposes.

在实验室中，prony brake通常用于教育目的。

4.We calibrated the prony brake before starting the performance tests.

在开始性能测试之前，我们对prony brake进行了校准。

5.To determine the efficiency of the engine, we set up a prony brake on the dynamometer.

为了确定发动机的效率，我们在测功机上安装了一个prony brake。

作文

The concept of the prony brake is an essential topic in the field of engineering, particularly in the study of mechanical systems. A prony brake is a device used to measure the torque produced by an engine or motor. Essentially, it consists of a brake that is applied to a rotating shaft, allowing engineers to quantify the power output of the machine being tested. This device has been utilized since the early days of engineering and remains relevant today due to its simplicity and effectiveness.One of the primary advantages of the prony brake is its straightforward design. It typically consists of a brake drum connected to the shaft of the engine, with a lever and weights that can be adjusted to apply varying levels of resistance. As the engine runs, the torque generated causes the drum to rotate, and the amount of force required to keep the drum from spinning provides a direct measurement of the engine's torque output. This method is not only cost-effective but also provides accurate results when properly calibrated.In practical applications, the prony brake is often used in laboratories and workshops to test various types of engines, including internal combustion engines and electric motors. By using this device, engineers can gather important data regarding the performance and efficiency of these machines. For instance, they can determine how much power is lost due to friction or other inefficiencies, allowing for improvements in design and functionality.The historical significance of the prony brake cannot be overlooked. It was invented in the early 19th century by the French engineer Henri Prony, who sought a reliable way to measure the power output of steam engines. His invention significantly advanced the field of thermodynamics and mechanical engineering, providing a standard method for evaluating engine performance. Today, while more advanced technologies exist, the prony brake remains a valuable tool for educational purposes and practical engineering applications.Moreover, understanding how to operate a prony brake is crucial for students and professionals in engineering. It teaches fundamental concepts such as torque, power, and the relationship between them. When students engage with this device, they gain hands-on experience that reinforces theoretical knowledge. This practical understanding is vital for anyone looking to pursue a career in engineering or related fields.In conclusion, the prony brake is more than just a simple measuring instrument; it is a bridge between theory and practice in mechanical engineering. Its ability to provide accurate torque measurements has made it an enduring tool in the industry. As technology continues to evolve, the principles behind the prony brake remain relevant, reminding us of the importance of foundational engineering concepts. Whether in a classroom or a research facility, the prony brake serves as a crucial reminder of the ingenuity and innovation that drive the field of engineering forward.

“prony brake”是工程领域中的一个基本概念，尤其是在机械系统的研究中。prony brake是一种用于测量发动机或电动机所产生扭矩的装置。它本质上由施加在旋转轴上的刹车组成，使工程师能够量化被测试机器的功率输出。这个装置自工程早期以来就被使用，并且由于其简单性和有效性而在今天仍然相关。prony brake的主要优点之一是其设计简单。它通常由一个与发动机轴连接的刹车鼓、一个杠杆和可以调节的重物组成，以施加不同程度的阻力。当发动机运行时，产生的扭矩使鼓旋转，而保持鼓不旋转所需的力量提供了发动机扭矩输出的直接测量。这种方法不仅具有成本效益，还能在正确校准的情况下提供准确的结果。在实际应用中，prony brake通常在实验室和车间中用于测试各种类型的发动机，包括内燃机和电动机。通过使用该装置，工程师可以收集有关这些机器性能和效率的重要数据。例如，他们可以确定因摩擦或其他低效造成的功率损失，从而允许在设计和功能上进行改进。prony brake的历史意义不可忽视。它是由法国工程师亨利·普罗尼（Henri Prony）在19世纪初发明的，他寻求一种可靠的方法来测量蒸汽机的功率输出。他的发明显著推动了热力学和机械工程领域的发展，为评估发动机性能提供了一种标准方法。今天，尽管存在更先进的技术，但prony brake仍然是教育目的和实际工程应用中的宝贵工具。此外，理解如何操作prony brake对于工程学生和专业人士至关重要。它教授扭矩、功率及其之间关系等基本概念。当学生使用这个装置时，他们获得的实践经验强化了理论知识。这种实践理解对任何希望从事工程或相关领域职业的人来说都是至关重要的。总之，prony brake不仅仅是一个简单的测量仪器；它是机械工程中理论与实践之间的桥梁。它提供准确的扭矩测量的能力使其成为行业中持久的工具。随着技术的不断发展，prony brake背后的原理仍然相关，提醒我们基础工程概念的重要性。无论是在课堂上还是研究设施中，prony brake都作为一个重要的提醒，展示了推动工程领域前进的创造力和创新。