specific power

简明释义

单位功率

英英释义

例句

1.In electric vehicles, the specific power is crucial for determining how quickly the car can accelerate.

在电动车中，比功率对决定汽车加速的速度至关重要。

2.Higher specific power ratings often lead to better performance in racing cars.

更高的比功率等级通常会导致赛车性能更好。

3.The specific power of this engine is impressive, allowing it to deliver high performance in a compact size.

这款发动机的比功率令人印象深刻，使其在紧凑的体积中提供高性能。

4.Researchers are focusing on increasing the specific power of batteries to improve their efficiency.

研究人员正专注于提高电池的比功率以改善其效率。

5.The specific power of a fuel cell can significantly affect its application in transportation.

燃料电池的比功率会显著影响其在交通运输中的应用。

作文

In the realm of engineering and physics, the term specific power refers to the amount of power produced per unit mass of a system or device. This concept is particularly important in fields such as aerospace, automotive engineering, and energy production, where understanding the efficiency and performance of engines and motors is crucial. The specific power is typically expressed in watts per kilogram (W/kg) and provides a clear metric for comparing different technologies and designs.For instance, when evaluating the performance of various types of engines, one might look at their specific power. A lightweight engine with a high specific power can produce more thrust relative to its weight than a heavier engine with lower specific power. This characteristic is vital for applications where weight is a critical factor, such as in aircraft design. In this context, engineers strive to maximize the specific power to enhance the overall performance and fuel efficiency of the aircraft.Moreover, the specific power concept extends beyond just mechanical systems. In the field of batteries and energy storage, for example, specific power is used to describe how quickly a battery can discharge energy relative to its weight. This is essential for electric vehicles and portable electronic devices, where rapid energy delivery is often required. A battery with a high specific power can provide bursts of energy for acceleration in electric cars, making them more competitive with traditional internal combustion engines.Additionally, the specific power plays a significant role in renewable energy technologies. Wind turbines and solar panels are often evaluated based on their specific power to determine how effectively they convert natural resources into usable energy. For example, a wind turbine with a higher specific power can generate more electricity from the same amount of wind compared to a less efficient model. This efficiency is paramount as the world increasingly shifts towards sustainable energy solutions.Understanding specific power also helps engineers and designers make informed decisions about materials and configurations. By selecting lighter materials or optimizing designs for aerodynamics, they can improve the specific power of their systems, leading to better performance and efficiency. For instance, in motorsport, teams constantly seek to enhance the specific power of their race cars to achieve faster lap times while meeting weight regulations.In conclusion, the concept of specific power is integral to various engineering disciplines, influencing the design and performance of systems across multiple applications. Whether in aerospace, automotive, or renewable energy, a thorough understanding of specific power allows for advancements that can lead to more efficient, powerful, and sustainable technologies. As we continue to innovate and push the boundaries of what is possible, the importance of specific power will only grow, driving progress in our quest for improved performance and efficiency in every aspect of engineering.

在工程和物理学领域，术语特定功率指的是每单位质量的系统或设备所产生的功率。这一概念在航空航天、汽车工程和能源生产等领域尤为重要，因为了解发动机和电动机的效率和性能至关重要。特定功率通常以瓦特每千克（W/kg）表示，为比较不同技术和设计提供了清晰的指标。例如，在评估各种类型的发动机性能时，人们可能会关注它们的特定功率。一台轻量发动机如果具有高特定功率，则可以相对于其重量产生更多的推力，而一台较重的发动机如果特定功率较低则无法做到。这一特性对于飞机设计等对重量要求严格的应用至关重要。在这种情况下，工程师们努力最大化特定功率，以提高飞机的整体性能和燃油效率。此外，特定功率的概念不仅限于机械系统。在电池和能源存储领域，例如，特定功率用于描述电池相对于其重量能够多快释放能量。这对于电动车和便携式电子设备至关重要，因为这些设备通常需要快速的能量供应。具有高特定功率的电池可以为电动汽车的加速提供能量爆发，使其在与传统内燃机竞争时更具优势。此外，特定功率在可再生能源技术中也发挥着重要作用。风力涡轮机和太阳能电池板通常根据其特定功率进行评估，以确定它们将自然资源转化为可用能源的效率。例如，一台具有较高特定功率的风力涡轮机可以从相同的风中产生更多的电力，而相比之下，效率较低的型号则无法做到。随着世界越来越向可持续能源解决方案转变，这种效率至关重要。理解特定功率也帮助工程师和设计师做出关于材料和配置的明智决策。通过选择更轻的材料或优化气动设计，他们可以提高系统的特定功率，从而实现更好的性能和效率。例如，在赛车运动中，车队不断寻求提高赛车的特定功率，以实现更快的圈速，同时满足重量规定。总之，特定功率的概念在各个工程学科中都是不可或缺的，影响着多个应用领域系统的设计和性能。无论是在航空航天、汽车还是可再生能源方面，对特定功率的透彻理解都能推动技术的进步，从而带来更高效、更强大和更可持续的技术。随着我们不断创新并推动可能性的边界，特定功率的重要性只会增加，推动我们在工程各个方面追求更高性能和效率的进程。