clearance volumetric efficiency

简明释义

余隙容积效率

英英释义

例句

1.The engine's performance can be significantly affected by its clearance volumetric efficiency 间隙容积效率, which determines how effectively the engine fills its cylinders with air-fuel mixture.

发动机的性能可以受到其间隙容积效率 clearance volumetric efficiency的显著影响，这决定了发动机填充气缸的空气-燃料混合物的有效性。

2.The clearance volumetric efficiency 间隙容积效率 can be influenced by factors such as valve timing and intake manifold design.

诸如阀门时机和进气歧管设计等因素可以影响间隙容积效率 clearance volumetric efficiency。

3.Manufacturers test various designs to achieve optimal clearance volumetric efficiency 间隙容积效率 in their new models.

制造商测试各种设计以在其新车型中实现最佳的间隙容积效率 clearance volumetric efficiency。

4.To optimize fuel consumption, engineers focus on improving the clearance volumetric efficiency 间隙容积效率 of the combustion chamber.

为了优化燃油消耗，工程师们专注于提高燃烧室的间隙容积效率 clearance volumetric efficiency。

5.A high clearance volumetric efficiency 间隙容积效率 is essential for turbocharged engines to maximize power output.

对于涡轮增压发动机来说，高间隙容积效率 clearance volumetric efficiency是最大化功率输出的关键。

作文

In the realm of internal combustion engines, understanding the various factors that contribute to engine performance is crucial for engineers and enthusiasts alike. One such factor is clearance volumetric efficiency, a term that refers to the effectiveness of an engine in filling its cylinders with air-fuel mixture during the intake stroke. The concept of clearance volumetric efficiency can significantly impact the overall power output and efficiency of the engine, making it an essential aspect to consider when designing or tuning an engine.To comprehend clearance volumetric efficiency, we must first delve into the mechanics of how an engine operates. During the intake phase, the engine draws in a mixture of air and fuel, which is crucial for combustion. However, not all of this mixture reaches the combustion chamber due to several factors, including the design of the intake system, the size of the valves, and the clearance between moving parts. This is where clearance volumetric efficiency comes into play, as it quantifies the volume of the air-fuel mixture that is actually utilized for combustion compared to the total volume that could potentially be drawn in.A higher clearance volumetric efficiency indicates that the engine is effectively utilizing a larger portion of the intake charge, which leads to better performance. Conversely, a lower efficiency means that a significant amount of the air-fuel mixture is wasted, resulting in reduced power output and increased emissions. Factors such as valve timing, intake manifold design, and even the shape of the combustion chamber can influence this efficiency.Moreover, clearance volumetric efficiency is not a static value; it can change under different operating conditions. For instance, at higher engine speeds, the engine may struggle to fill the cylinders completely due to insufficient time for the intake process, leading to a drop in efficiency. Similarly, variations in atmospheric pressure, temperature, and altitude can also affect the density of the air-fuel mixture, thereby impacting clearance volumetric efficiency.Engineers often employ various strategies to enhance clearance volumetric efficiency. One common method is optimizing the intake manifold design to ensure smoother airflow and minimize turbulence. Additionally, the use of variable valve timing systems allows for better control over the opening and closing of the valves, adapting to different engine speeds and loads. These advancements not only improve the clearance volumetric efficiency but also contribute to the overall performance and fuel economy of the engine.In conclusion, clearance volumetric efficiency plays a pivotal role in determining the performance of internal combustion engines. By maximizing this efficiency, engineers can create engines that are not only powerful but also more environmentally friendly. Understanding the intricacies of clearance volumetric efficiency enables both designers and users to make informed decisions that lead to improved engine performance and sustainability in the automotive industry. As technology continues to evolve, the focus on enhancing clearance volumetric efficiency will remain a key area of research and development, driving innovation in engine design and performance optimization.

在内燃机领域，理解影响发动机性能的各种因素对工程师和爱好者来说至关重要。其中一个因素是间隙容积效率，这个术语指的是发动机在进气冲程期间有效填充气缸的空气-燃料混合物的能力。间隙容积效率的概念可以显著影响发动机的整体功率输出和效率，因此在设计或调校发动机时，这是一个必不可少的方面。要理解间隙容积效率，我们首先必须深入了解发动机的工作原理。在进气阶段，发动机吸入空气和燃料的混合物，这对于燃烧至关重要。然而，由于多种因素，包括进气系统的设计、阀门的大小以及运动部件之间的间隙，并不是所有的混合物都能到达燃烧室。这就是间隙容积效率发挥作用的地方，因为它量化了实际用于燃烧的空气-燃料混合物的体积与可能被吸入的总容量之间的比例。更高的间隙容积效率表示发动机有效利用了更大部分的进气量，从而提高了性能。相反，较低的效率意味着大量的空气-燃料混合物被浪费，导致功率输出减少和排放增加。阀门时机、进气歧管设计甚至燃烧室形状等因素都可以影响这种效率。此外，间隙容积效率并不是一个静态值；它可以在不同的操作条件下发生变化。例如，在较高的发动机转速下，由于进气过程的时间不足，发动机可能难以完全填充气缸，从而导致效率下降。类似地，大气压力、温度和海拔的变化也会影响空气-燃料混合物的密度，从而影响间隙容积效率。工程师们通常采用各种策略来提高间隙容积效率。一种常见的方法是优化进气歧管设计，以确保气流更顺畅并最小化湍流。此外，使用可变气门正时系统可以更好地控制阀门的开启和关闭，以适应不同的发动机转速和负载。这些进步不仅提高了间隙容积效率，还促进了发动机的整体性能和燃油经济性。总之，间隙容积效率在决定内燃机性能方面起着关键作用。通过最大化这种效率，工程师可以创造出不仅强劲而且更环保的发动机。理解间隙容积效率的复杂性使设计者和用户能够做出明智的决策，从而改善发动机性能并实现汽车工业的可持续发展。随着技术的不断发展，提高间隙容积效率的关注将继续成为研究和发展的关键领域，推动发动机设计和性能优化的创新。