cylinder block

简明释义

气缸体

英英释义

例句

1.The cylinder block is one of the most critical components of an engine.

在发动机中，气缸体是最关键的部件之一。

2.The mechanic inspected the cylinder block for any signs of wear.

机械师检查了气缸体是否有磨损的迹象。

3.During the rebuild, we had to machine the cylinder block for a perfect fit.

在重建过程中，我们必须对气缸体进行加工，以确保完美贴合。

4.A cracked cylinder block can lead to serious engine problems.

裂开的气缸体可能导致严重的发动机问题。

5.Replacing the cylinder block can significantly improve engine performance.

更换气缸体可以显著提高发动机性能。

作文

The engine of a car is one of the most complex and fascinating components of automotive engineering. At the heart of this intricate machinery lies the cylinder block, which plays a crucial role in the overall performance and efficiency of the vehicle. Understanding what a cylinder block is, how it functions, and its importance can provide valuable insights into the workings of an internal combustion engine.A cylinder block is essentially the main structure of an engine. It houses the cylinders, where fuel and air mix and combust to produce power. The design of the cylinder block can vary depending on the type of engine, but it typically consists of cast iron or aluminum to withstand high temperatures and pressures. The strength and durability of the cylinder block are vital because any failure in this component can lead to catastrophic engine failure.One of the primary functions of the cylinder block is to support the pistons and provide a sealed environment for combustion. As the pistons move up and down within the cylinders, they create a vacuum that draws in air and fuel. When the mixture is ignited, it creates a powerful explosion that drives the pistons downward, turning the crankshaft and ultimately propelling the vehicle forward. This cycle of intake, compression, power, and exhaust is fundamental to the operation of the engine, and the cylinder block is central to this process.Moreover, the cylinder block also serves as a conduit for coolant, which helps regulate the engine's temperature. Overheating can cause severe damage, so the design of the cylinder block includes passages for coolant to flow around the cylinders, absorbing heat and maintaining optimal operating conditions. This cooling system is critical for ensuring the longevity and reliability of the engine.In addition to its structural and functional roles, the cylinder block is also a key factor in determining the engine's size and displacement. The number of cylinders and their arrangement within the cylinder block influence the engine's power output and efficiency. For example, a V6 engine has six cylinders arranged in a V shape, while a V8 engine has eight cylinders. The choice of engine configuration affects not only performance but also fuel economy and emissions, making the design of the cylinder block a critical consideration for automotive engineers.In conclusion, the cylinder block is a fundamental component of an internal combustion engine, serving multiple purposes that are essential for the engine's operation. Its ability to house the cylinders, support the pistons, facilitate combustion, and manage temperature makes it a vital part of automotive engineering. As technology advances, the design and materials used for cylinder blocks continue to evolve, leading to more efficient and powerful engines. Understanding the significance of the cylinder block not only enhances our appreciation for automotive technology but also highlights the intricate engineering that goes into building modern vehicles.

汽车发动机是汽车工程中最复杂和最迷人的组成部分之一。在这台复杂的机器的核心，是缸体，它在车辆的整体性能和效率中扮演着至关重要的角色。理解缸体是什么、它如何运作以及它的重要性，可以为我们提供关于内燃机工作原理的宝贵见解。缸体本质上是发动机的主要结构。它容纳了气缸，在这里，燃料和空气混合并燃烧以产生动力。缸体的设计可能因发动机类型而异，但通常由铸铁或铝制成，以承受高温和高压。缸体的强度和耐用性至关重要，因为该部件的任何故障都可能导致灾难性的发动机故障。缸体的主要功能之一是支撑活塞并提供一个密封的燃烧环境。当活塞在气缸内上下移动时，它们会产生一个真空，从而吸入空气和燃料。当混合物被点燃时，会产生强大的爆炸，推动活塞向下移动，转动曲轴，最终推动车辆前进。这种进气、压缩、动力和排气的循环是发动机运行的基础，而缸体是这一过程的核心。此外，缸体还充当冷却液的通道，帮助调节发动机的温度。过热可能会造成严重损坏，因此缸体的设计包括供冷却液流动的通道，以便围绕气缸流动，吸收热量并保持最佳工作条件。这个冷却系统对于确保发动机的耐用性和可靠性至关重要。除了其结构和功能角色之外，缸体还是决定发动机大小和排量的关键因素。气缸的数量及其在缸体内的排列影响发动机的功率输出和效率。例如，V6发动机有六个气缸以V形排列，而V8发动机有八个气缸。发动机配置的选择不仅影响性能，还影响燃油经济性和排放，这使得缸体的设计成为汽车工程师的关键考虑因素。总之，缸体是内燃机的基本组成部分，承担着多重目的，这些目的对发动机的运行至关重要。它能够容纳气缸、支撑活塞、促进燃烧和管理温度，使其成为汽车工程中重要的部分。随着技术的发展，用于缸体的设计和材料不断演变，导致更高效和更强大的发动机。理解缸体的重要性，不仅增强了我们对汽车技术的欣赏，还突显了现代车辆制造中复杂的工程技术。