cylinder head

简明释义

气缸头

英英释义

例句

1.A cracked cylinder head can lead to serious engine problems.

裂开的气缸盖可能会导致严重的发动机问题。

2.After removing the cylinder head, the technician found debris inside.

在拆下气缸盖后，技术人员发现内部有杂物。

3.To increase performance, we decided to upgrade the cylinder head.

为了提高性能，我们决定升级气缸盖。

4.The mechanic inspected the cylinder head for any signs of warping.

机械师检查了气缸盖是否有变形的迹象。

5.The cylinder head gasket needs to be replaced to prevent leaks.

需要更换气缸盖垫片以防止漏油。

作文

The engine is often considered the heart of a vehicle, and within this intricate system lies a crucial component known as the cylinder head. The cylinder head is an essential part of an internal combustion engine, situated on top of the engine block. It serves multiple functions that are vital for the engine's performance and efficiency. Essentially, the cylinder head seals the cylinders, where fuel and air mix and combust to produce power. Without it, the engine would not be able to contain the necessary pressure required for combustion.One of the primary roles of the cylinder head is to house the intake and exhaust valves. These valves control the flow of air and fuel into the cylinders and the expulsion of exhaust gases after combustion. The precise operation of these valves is critical, as any malfunction can lead to a significant loss of power or even engine failure. Furthermore, the cylinder head also contains passages for coolant, which helps regulate the engine's temperature. Overheating is a common issue in engines, and the cylinder head plays a pivotal role in ensuring that the engine runs at an optimal temperature.Another important aspect of the cylinder head is its design. Different engines have different configurations, such as overhead camshaft (OHC) and overhead valve (OHV) designs, which influence how the cylinder head is constructed. For example, OHC engines typically have a cylinder head that incorporates the camshaft within the head itself, allowing for more precise timing of the valves. This design can lead to improved performance and efficiency compared to traditional OHV engines, where the camshaft is located in the engine block.The materials used to manufacture the cylinder head are also significant. Most modern cylinder heads are made from aluminum or cast iron. Aluminum is lighter and offers better thermal conductivity, which can enhance engine performance. However, cast iron is more durable and can withstand higher temperatures, making it a popular choice for heavy-duty applications. The choice of material can impact the overall weight of the engine and its efficiency.Maintenance of the cylinder head is crucial for the longevity of an engine. Regular inspections can help identify issues such as cracks or warping, which can occur due to overheating or improper installation. If a cylinder head is damaged, it may require resurfacing or even complete replacement, which can be costly. Therefore, understanding the importance of the cylinder head and maintaining it properly can save vehicle owners significant time and money in the long run.In conclusion, the cylinder head is a fundamental component of an internal combustion engine, intricately designed to perform several vital functions. From housing valves to facilitating coolant flow, the cylinder head contributes significantly to the overall efficiency and performance of the engine. Understanding its role can help vehicle owners appreciate the complexities of their engines and the importance of regular maintenance. As technology continues to evolve, so too will the design and functionality of the cylinder head, making it an exciting area of study for automotive enthusiasts and engineers alike.

发动机常被视为车辆的心脏，而在这个复杂的系统中，有一个至关重要的部件被称为气缸盖。气缸盖是内燃机的一个基本部分，位于发动机缸体的顶部。它执行多种功能，这些功能对发动机的性能和效率至关重要。实际上，气缸盖密封了气缸，在这里燃料和空气混合并燃烧以产生动力。没有它，发动机将无法容纳燃烧所需的压力。气缸盖的主要作用之一是容纳进气阀和排气阀。这些阀门控制空气和燃料进入气缸的流动，以及燃烧后废气的排放。这些阀门的精确操作至关重要，因为任何故障都可能导致动力显著损失甚至发动机故障。此外，气缸盖还包含冷却液通道，帮助调节发动机的温度。过热是发动机中常见的问题，气缸盖在确保发动机在最佳温度下运行方面发挥着关键作用。气缸盖的设计也是一个重要方面。不同的发动机有不同的配置，例如顶置凸轮轴（OHC）和顶置阀（OHV）设计，这影响着气缸盖的构造。例如，OHC发动机通常具有将凸轮轴集成在气缸盖内的气缸盖，这允许更精确地控制阀门的时机。这种设计可以提高性能和效率，相较于传统的OHV发动机，后者的凸轮轴位于发动机缸体中。制造气缸盖所用的材料也很重要。大多数现代气缸盖由铝或铸铁制成。铝材更轻，具有更好的导热性，可以提高发动机性能。然而，铸铁更耐用，能够承受更高的温度，因此在重型应用中仍然是一个流行的选择。材料的选择会影响发动机的整体重量和效率。维护气缸盖对于发动机的长期使用至关重要。定期检查可以帮助识别裂纹或变形等问题，这些问题可能由于过热或安装不当而发生。如果气缸盖受损，可能需要进行表面处理或甚至完全更换，这可能会很昂贵。因此，了解气缸盖的重要性并妥善维护，可以为车主节省大量时间和金钱。总之，气缸盖是内燃机的一个基本组成部分，经过精心设计以执行几项重要功能。从容纳阀门到促进冷却液流动，气缸盖对发动机的整体效率和性能贡献重大。理解其角色可以帮助车主欣赏他们发动机的复杂性以及定期维护的重要性。随着技术的不断发展，气缸盖的设计和功能也将不断演变，使其成为汽车爱好者和工程师们研究的一个令人兴奋的领域。