volumetric efficiency

简明释义

容积效率;充填系数

英英释义

例句

1.The engine's volumetric efficiency 容积效率 is crucial for determining its power output.

发动机的volumetric efficiency 容积效率 对其功率输出至关重要。

2.To improve the volumetric efficiency 容积效率, engineers often redesign the intake manifold.

为了提高volumetric efficiency 容积效率，工程师通常会重新设计进气歧管。

3.The volumetric efficiency 容积效率 of a turbocharged engine can exceed that of a naturally aspirated engine.

涡轮增压发动机的volumetric efficiency 容积效率 可以超过自然吸气发动机。

4.Measuring volumetric efficiency 容积效率 helps in tuning the engine for optimal performance.

测量volumetric efficiency 容积效率 有助于调校发动机以实现最佳性能。

5.High-performance engines typically have a higher volumetric efficiency 容积效率 than standard engines.

高性能发动机的volumetric efficiency 容积效率 通常高于标准发动机。

作文

Volumetric efficiency is a crucial concept in the field of internal combustion engines. It refers to the ratio of the amount of air an engine draws in, compared to the total volume of its cylinders. In simpler terms, it measures how effectively an engine can fill its cylinders with air during the intake stroke. A high volumetric efficiency indicates that the engine is capable of taking in more air, which can lead to better performance and increased power output. Conversely, a low volumetric efficiency suggests that the engine is not utilizing its full potential, resulting in reduced power and efficiency.Understanding volumetric efficiency is essential for engineers and automotive enthusiasts alike, as it plays a significant role in determining an engine's performance characteristics. Several factors can influence this efficiency, including the design of the intake system, the shape and size of the combustion chamber, and even the timing of the intake valves. For example, an engine with a well-designed intake manifold can create a smoother airflow, allowing for a more complete filling of the cylinders and thus improving volumetric efficiency.Moreover, tuning an engine's components to optimize volumetric efficiency can lead to substantial gains in horsepower and torque. This is why many performance modifications focus on enhancing airflow, such as upgrading air filters, installing larger throttle bodies, or using aftermarket exhaust systems. Each of these modifications aims to improve the engine's ability to breathe, thereby increasing its volumetric efficiency.In addition to mechanical aspects, environmental factors also play a role in volumetric efficiency. For instance, altitude can significantly affect an engine's performance. At higher elevations, the air is less dense, which means there is less oxygen available for combustion. As a result, an engine may experience a drop in volumetric efficiency, leading to decreased power output. Engineers often take these variables into account when designing engines for specific applications, ensuring that they can maintain optimal performance under varying conditions.Furthermore, understanding volumetric efficiency is not only limited to performance vehicles but is also applicable in various fields such as industrial machinery and aerospace engineering. In these contexts, maximizing volumetric efficiency can lead to more efficient operations, reduced fuel consumption, and lower emissions. This is particularly important in today’s world, where environmental concerns are at the forefront of engineering practices.In conclusion, volumetric efficiency is a vital parameter in evaluating an engine's performance. It reflects the engine's ability to intake air and convert it into usable power. By understanding and optimizing volumetric efficiency, engineers can enhance engine performance, improve fuel economy, and reduce emissions. Whether in the realm of motorsports or everyday vehicles, the implications of volumetric efficiency are far-reaching and critical for advancing automotive technology. As we continue to innovate and develop new technologies, the importance of maximizing volumetric efficiency will only grow, making it a key area of focus for future research and development in the automotive industry.

容积效率是内燃机领域中的一个关键概念。它指的是发动机吸入的空气量与气缸的总容积之比。简单来说，它衡量的是发动机在进气冲程中填充气缸的有效性。高的容积效率表明发动机能够吸入更多的空气，这可以导致更好的性能和增加的功率输出。相反，低的容积效率则表明发动机未能充分利用其潜力，导致功率和效率下降。理解容积效率对工程师和汽车爱好者来说都是至关重要的，因为它在决定发动机性能特性方面起着重要作用。有多种因素会影响这种效率，包括进气系统的设计、燃烧室的形状和大小，甚至是进气阀的时机。例如，具有良好设计的进气歧管可以创造更平稳的气流，从而使气缸更完全地充气，从而提高容积效率。此外，调校发动机组件以优化容积效率可以带来显著的马力和扭矩提升。这就是为什么许多性能改装专注于增强气流，例如升级空气滤清器、安装更大的节气门或使用市场后备排气系统。这些改装的目的是提高发动机的呼吸能力，从而增加其容积效率。除了机械方面，环境因素也会影响容积效率。例如，高度可以显著影响发动机的性能。在较高的海拔，空气密度较低，这意味着可用于燃烧的氧气较少。因此，发动机可能会经历容积效率的下降，导致功率输出减少。工程师通常会考虑这些变量，在为特定应用设计发动机时，确保它们能够在不同条件下保持最佳性能。此外，理解容积效率不仅限于性能车辆，还适用于工业机械和航空航天工程等多个领域。在这些情况下，最大化容积效率可以导致更高效的操作、降低燃料消耗和减少排放。这在当今世界尤为重要，在这里，环境问题处于工程实践的前沿。总之，容积效率是评估发动机性能的重要参数。它反映了发动机吸入空气并将其转化为可用功率的能力。通过理解和优化容积效率，工程师可以提高发动机性能、改善燃油经济性并减少排放。无论是在赛车领域还是日常车辆中，容积效率的影响都是深远的，对推动汽车技术的发展至关重要。随着我们不断创新和开发新技术，最大化容积效率的重要性只会增加，使其成为未来汽车工业研究和开发的关键关注领域。