exhaust manifold

简明释义

排气歧管排气阀箱

英英释义

例句

1.The technician inspected the exhaust manifold for any signs of rust or damage.

技术人员检查了排气歧管是否有锈蚀或损坏的迹象。

2.After installing the new exhaust manifold, the car sounded much quieter.

安装了新的排气歧管后，汽车的声音安静了很多。

3.The mechanic replaced the cracked exhaust manifold to improve engine performance.

技师更换了破裂的排气歧管以提高发动机性能。

4.A leaking exhaust manifold can cause a significant drop in fuel efficiency.

漏气的排气歧管会导致燃油效率显著下降。

5.An upgraded exhaust manifold can provide better airflow and increase horsepower.

升级的排气歧管可以提供更好的气流并增加马力。

作文

The internal combustion engine is a marvel of engineering, and one of its critical components is the exhaust manifold. The exhaust manifold serves as a crucial part of the engine's exhaust system, collecting the exhaust gases produced during combustion from each cylinder and directing them to the exhaust outlet. This component is typically made from cast iron or stainless steel due to its ability to withstand high temperatures and resist corrosion. Understanding the function of the exhaust manifold can help us appreciate how engines work more efficiently. When fuel combusts within the engine's cylinders, it generates a significant amount of heat and pressure, which pushes the piston down. As the piston moves, it creates an exhaust stroke that pushes the spent gases out of the cylinder. The exhaust manifold collects these gases from multiple cylinders and funnels them into a single pipe, which then leads to the rest of the exhaust system.The design of the exhaust manifold is essential for optimizing engine performance. A well-designed manifold can minimize back pressure, allowing the engine to breathe more freely and enhancing its overall efficiency. In contrast, a poorly designed manifold can lead to increased back pressure, which can reduce power output and fuel efficiency. Therefore, many automotive engineers spend considerable time on the design and testing of exhaust manifolds to ensure they meet performance standards.Moreover, the exhaust manifold plays a vital role in the emission control system of modern vehicles. It is often equipped with sensors that monitor exhaust gas composition and temperature. These sensors provide crucial data to the engine control unit (ECU), which adjusts the air-fuel mixture to optimize combustion and reduce harmful emissions. In this way, the exhaust manifold not only aids in the engine's performance but also contributes to environmental sustainability by helping to reduce pollutants released into the atmosphere.In addition to its functional importance, the exhaust manifold can also be a source of aesthetic appeal in automotive design. Many car enthusiasts appreciate the look of a polished stainless steel exhaust manifold, and some even modify their vehicles with aftermarket options to enhance both performance and appearance. This intersection of function and style highlights the diverse roles that the exhaust manifold can play in the automotive world.In summary, the exhaust manifold is a critical component of the internal combustion engine, serving to collect and direct exhaust gases while influencing engine performance and emissions. Its design and functionality are essential for both efficiency and environmental considerations. Understanding the role of the exhaust manifold enables us to appreciate the complexities of modern engines and the engineering innovations that continue to improve their performance and sustainability.

内燃机是一项工程奇迹，其中一个关键部件是排气歧管。排气歧管作为发动机排气系统的关键部分，收集每个气缸在燃烧过程中产生的废气，并将其导向排气出口。该部件通常由铸铁或不锈钢制成，因为它能够承受高温并抵抗腐蚀。理解排气歧管的功能可以帮助我们更好地欣赏发动机如何更有效地工作。当燃料在发动机气缸内燃烧时，会产生大量的热量和压力，这推动活塞向下移动。随着活塞的移动，它会产生一个排气行程，将废气推出气缸。排气歧管收集来自多个气缸的这些气体，并将其引导到一根管道中，然后通往排气系统的其余部分。排气歧管的设计对于优化发动机性能至关重要。一个设计良好的歧管可以最大限度地减少背压，使发动机能够更自由地呼吸，从而提高整体效率。相反，设计不良的歧管可能导致背压增加，从而降低功率输出和燃油效率。因此，许多汽车工程师花费大量时间来设计和测试排气歧管，以确保它们符合性能标准。此外，排气歧管在现代车辆的排放控制系统中也扮演着重要角色。它通常配备传感器，用于监测废气成分和温度。这些传感器向发动机控制单元（ECU）提供关键数据，ECU根据这些数据调整空气与燃料的混合比，以优化燃烧并减少有害排放。通过这种方式，排气歧管不仅有助于发动机的性能，还通过帮助减少排放到大气中的污染物而促进环境可持续性。除了其功能重要性外，排气歧管在汽车设计中也可以成为美学吸引力的来源。许多汽车爱好者欣赏抛光不锈钢排气歧管的外观，有些人甚至通过改装选项来增强其性能和外观。这种功能与风格的交汇突显了排气歧管在汽车世界中所能发挥的多重角色。总之，排气歧管是内燃机的一个关键组件，负责收集和引导废气，同时影响发动机性能和排放。其设计和功能对于效率和环境考虑至关重要。理解排气歧管的作用使我们能够更好地欣赏现代发动机的复杂性以及不断改善其性能和可持续性的工程创新。