coefficient of mechanical efficiency

简明释义

机械效率

英英释义

例句

1.A higher coefficient of mechanical efficiency indicates a more efficient engine that wastes less energy.

更高的机械效率系数表明发动机更高效，浪费的能量更少。

2.The coefficient of mechanical efficiency can be affected by friction and other losses in the system.

系统中的摩擦和其他损失会影响机械效率系数。

3.In this experiment, we need to measure the coefficient of mechanical efficiency of different gears under load.

在这个实验中，我们需要测量不同齿轮在负载下的机械效率系数。

4.To improve the design, we analyzed the coefficient of mechanical efficiency of the prototype.

为了改进设计，我们分析了原型的机械效率系数。

5.The engineer calculated the coefficient of mechanical efficiency to determine how well the machine converts input energy into useful work.

工程师计算了机械效率系数以确定机器将输入能量转化为有用工作的效率。

作文

The term coefficient of mechanical efficiency is crucial in understanding how effectively a machine converts input energy into useful work. In engineering and physics, this coefficient quantifies the performance of machines, engines, and other mechanical systems. It is often expressed as a ratio of the useful work output to the total energy input. A higher coefficient of mechanical efficiency indicates that a machine is more effective at utilizing energy, while a lower coefficient suggests inefficiencies that may arise from friction, heat loss, or other factors.For instance, consider a simple example of a car engine. When fuel is burned, it produces energy that is supposed to be converted into kinetic energy to move the vehicle. However, not all of the energy produced is used for this purpose. Some of it is lost as heat due to friction between moving parts, and some is dissipated through exhaust gases. The coefficient of mechanical efficiency for this engine can be calculated by dividing the useful work done (the movement of the car) by the total energy input (the energy from the fuel). If the engine has a coefficient of mechanical efficiency of 0.25, it means that only 25% of the energy from the fuel is being utilized for movement, while the rest is wasted.Understanding the coefficient of mechanical efficiency is vital for engineers and designers who aim to improve machine performance. By analyzing this coefficient, they can identify areas where improvements can be made, such as reducing friction, enhancing material properties, or optimizing design to minimize energy losses. For example, advancements in materials science have led to the development of lubricants that significantly reduce friction, thereby increasing the coefficient of mechanical efficiency in various applications, from automotive engines to industrial machinery.Moreover, the coefficient of mechanical efficiency is not only relevant in mechanical systems but also plays a role in renewable energy technologies. Wind turbines and solar panels, for example, must also be evaluated based on their efficiency coefficients. A wind turbine's coefficient of mechanical efficiency reflects how well it converts wind energy into electrical energy. Higher efficiency means more energy is harvested from the wind, making the system more economically viable.In conclusion, the coefficient of mechanical efficiency is an essential concept in evaluating and improving the performance of machines and systems. It serves as a benchmark for engineers and scientists to develop technologies that are more efficient and sustainable. As we face global challenges related to energy consumption and environmental impact, understanding and optimizing the coefficient of mechanical efficiency will become increasingly important in our pursuit of a more efficient future.

“机械效率系数”这一术语在理解机器如何有效地将输入能量转化为有用功方面至关重要。在工程学和物理学中，该系数量化了机器、发动机及其他机械系统的性能。它通常表示为有用功输出与总能量输入的比率。较高的“机械效率系数”表明机器在利用能源方面更为有效，而较低的系数则表明可能由于摩擦、热损失或其他因素而导致的低效。例如，考虑一个简单的汽车发动机示例。当燃料燃烧时，它产生的能量本应被转化为动能以移动车辆。然而，并不是所有产生的能量都用于此目的。其中一部分因运动部件之间的摩擦而以热量的形式损失，还有一部分通过废气散失。该发动机的“机械效率系数”可以通过将有用功（汽车的移动）除以总能量输入（来自燃料的能量）来计算。如果发动机的“机械效率系数”为0.25，这意味着只有25%的燃料能量被用于移动，其余的则被浪费。理解“机械效率系数”对于旨在提高机器性能的工程师和设计师至关重要。通过分析该系数，他们可以识别出可以改进的领域，例如减少摩擦、增强材料性能或优化设计以最小化能量损失。例如，材料科学的进步导致开发出显著减少摩擦的润滑剂，从而提高了各种应用中“机械效率系数”，从汽车发动机到工业机械。此外，“机械效率系数”不仅与机械系统相关，还在可再生能源技术中发挥作用。例如，风力涡轮机和太阳能电池板也必须根据其效率系数进行评估。风力涡轮机的“机械效率系数”反映了它将风能转化为电能的能力。更高的效率意味着从风中收获更多的能量，使系统在经济上更具可行性。总之，“机械效率系数”是评估和提高机器及系统性能的重要概念。它作为工程师和科学家开发更高效和可持续技术的基准。随着我们面临与能源消耗和环境影响相关的全球挑战，理解和优化“机械效率系数”在我们追求更高效的未来中将变得愈发重要。