admission valve

简明释义

进气阀

英英释义

例句

1.The admission valve plays a vital role in controlling the air intake in an internal combustion engine.

在内燃机中，进气阀在控制空气进气方面起着至关重要的作用。

2.A malfunctioning admission valve can lead to reduced engine efficiency.

故障的进气阀可能导致发动机效率降低。

3.To optimize fuel consumption, it's crucial to ensure the admission valve is functioning properly.

为了优化燃油消耗，确保进气阀正常工作至关重要。

4.During the inspection, the mechanic found that the admission valve was leaking air.

在检查中，机械师发现进气阀漏气。

5.The engine's performance improved significantly after we replaced the faulty admission valve.

在我们更换了故障的进气阀后，发动机的性能显著提高。

作文

The concept of the admission valve is crucial in various engineering fields, especially in mechanical and automotive engineering. An admission valve is a component that controls the entry of air or fuel into an engine's combustion chamber. Its primary function is to ensure that the correct amount of air-fuel mixture enters the cylinder for optimal combustion. The efficiency of an engine largely depends on how well the admission valve performs its job.In internal combustion engines, the admission valve opens at the right moment during the engine cycle to allow the air-fuel mixture to enter the cylinder. This process is synchronized with the movement of the pistons and the crankshaft, making timing essential for effective engine performance. If the admission valve opens too early or too late, it can lead to incomplete combustion, reduced power output, and increased emissions.Moreover, the design of the admission valve itself can significantly affect engine performance. Valves are typically made from materials that can withstand high temperatures and pressures, such as stainless steel or titanium. They must also be precisely engineered to fit perfectly within the engine's head to prevent leaks and ensure maximum efficiency.In modern vehicles, advancements in technology have led to the development of variable valve timing systems. These systems allow the admission valve to adjust its opening duration and timing based on engine speed and load conditions. This adaptability enhances fuel efficiency and power delivery across different driving scenarios. For instance, at low speeds, the admission valve may open longer to allow more air-fuel mixture into the cylinder, improving torque. Conversely, at high speeds, it might open shorter to optimize power output.Additionally, understanding the role of the admission valve is essential for diagnosing engine problems. Issues such as valve sticking, improper sealing, or wear and tear can lead to significant performance issues. Mechanics often perform tests to assess the functionality of the admission valve, including leak-down tests and visual inspections. Regular maintenance of the engine, including checking the admission valve, can prevent costly repairs in the future.In conclusion, the admission valve plays a vital role in the operation of internal combustion engines. Its ability to regulate the intake of air and fuel directly impacts engine performance, efficiency, and emissions. As technology continues to evolve, so too will the design and functionality of the admission valve, paving the way for more efficient and powerful engines in the future. Understanding this component is not only important for engineers and mechanics but also for anyone interested in the workings of automobiles and machinery. In essence, the admission valve is a small yet critical part of the larger engine system, illustrating how intricate and interconnected engineering can be.

“进气阀”这一概念在多个工程领域中至关重要，尤其是在机械和汽车工程中。进气阀是一个控制空气或燃料进入发动机燃烧室的组件。它的主要功能是确保正确数量的空气-燃料混合物进入气缸，以实现最佳燃烧。发动机的效率在很大程度上取决于进气阀的工作表现。在内燃机中，进气阀在发动机周期的正确时刻打开，以允许空气-燃料混合物进入气缸。这个过程与活塞和曲轴的运动同步进行，因此时机对于有效的发动机性能至关重要。如果进气阀打开得太早或太晚，会导致燃烧不完全、功率输出减少和排放增加。此外，进气阀本身的设计也会显著影响发动机性能。阀门通常由能够承受高温和高压的材料制成，如不锈钢或钛。它们还必须精确设计，以完美适应发动机头部，以防止泄漏并确保最大效率。在现代车辆中，技术的进步导致可变气门正时系统的发展。这些系统允许进气阀根据发动机速度和负载条件调整其开启持续时间和时机。这种适应性增强了在不同驾驶场景下的燃油效率和动力输出。例如，在低速时，进气阀可能会打开更长时间，以允许更多的空气-燃料混合物进入气缸，从而提高扭矩。相反，在高速时，它可能会打开较短时间，以优化功率输出。此外，了解进气阀的作用对于诊断发动机问题至关重要。阀门卡滞、不当密封或磨损等问题可能导致显著的性能问题。机械师通常会进行测试以评估进气阀的功能，包括漏气测试和视觉检查。定期维护发动机，包括检查进气阀，可以防止未来的高额维修费用。总之，进气阀在内燃机的操作中发挥着至关重要的作用。它调节空气和燃料的摄入能力直接影响发动机性能、效率和排放。随着技术的不断发展，进气阀的设计和功能也将不断演变，为未来更高效、更强大的发动机铺平道路。理解这个组件不仅对工程师和机械师重要，对于任何对汽车和机械运作感兴趣的人来说也是如此。归根结底，进气阀是更大发动机系统中的一个小而关键的部分，说明了工程学的复杂性和相互联系。