swept volume

简明释义

容积排量

英英释义

例句

1.To calculate the power output of an engine, engineers often consider the swept volume along with other factors like RPM and efficiency.

为了计算发动机的功率输出，工程师通常会考虑扫气容积以及转速和效率等其他因素。

2.In racing, teams optimize the swept volume of their engines to achieve maximum performance on the track.

在赛车中，车队优化他们发动机的扫气容积以在赛道上实现最大性能。

3.The relationship between swept volume and torque is crucial for understanding engine dynamics.

理解发动机动态时，扫气容积与扭矩之间的关系至关重要。

4.A larger swept volume generally means more power, but it can also lead to increased fuel consumption.

更大的扫气容积通常意味着更多的动力，但也可能导致燃油消耗增加。

5.The engine's performance is largely determined by its swept volume, which indicates the total space swept by the pistons in a single cycle.

发动机的性能在很大程度上取决于它的扫气容积，这表示活塞在一个循环中扫过的总空间。

作文

The concept of swept volume is fundamental in the field of engineering, especially when discussing internal combustion engines. The term refers to the total volume that is displaced by the piston as it moves from the bottom dead center (BDC) to the top dead center (TDC) within the cylinder. This measurement is crucial because it directly influences the engine's efficiency and power output. Understanding swept volume helps engineers design more effective engines that can achieve better performance while minimizing fuel consumption.In practical terms, the swept volume can be calculated using the formula: Swept Volume = π/4 × Bore² × StrokeWhere 'Bore' is the diameter of the cylinder and 'Stroke' is the distance the piston travels. By manipulating these parameters, engineers can optimize the engine's design for various applications, whether it be for high-performance sports cars or efficient family vehicles.Moreover, the swept volume plays a significant role in determining the compression ratio of an engine. The compression ratio is the ratio of the total volume of the cylinder when the piston is at BDC to the swept volume. A higher compression ratio generally leads to more power and efficiency but requires higher octane fuel to prevent knocking. Therefore, understanding how to balance the swept volume with other engine characteristics is vital for achieving optimal performance.In addition to its importance in engine design, the concept of swept volume is also applicable in other areas such as pumps and compressors. In these devices, the swept volume refers to the volume of fluid that can be moved by the pump or compressor during one complete cycle. This parameter is essential for determining the flow rate and efficiency of these machines.Furthermore, the swept volume can impact the emissions produced by an engine. A well-designed engine with an appropriate swept volume can lead to more complete combustion of fuel, resulting in fewer unburned hydrocarbons being emitted into the atmosphere. This aspect is particularly important in today’s world, where environmental concerns are at the forefront of automotive engineering.In conclusion, the term swept volume encapsulates a critical aspect of mechanical engineering that affects not only performance but also efficiency and environmental impact. As technology continues to advance, the ability to manipulate and understand the implications of swept volume will remain a key skill for engineers. By focusing on optimizing this parameter, the automotive industry can continue to innovate and improve the vehicles we rely on every day, ensuring they meet both performance expectations and environmental standards.

“扫过体积”这一概念在工程领域中至关重要，特别是在讨论内燃机时。这个术语指的是活塞从下止点（BDC）移动到上止点（TDC）时在气缸内所排出的总容量。这个测量值至关重要，因为它直接影响发动机的效率和功率输出。理解swept volume有助于工程师设计出更有效的发动机，以便在最小化燃料消耗的同时实现更好的性能。在实际应用中，swept volume可以通过以下公式计算：扫过体积 = π/4 × 孔径² × 行程其中“孔径”是气缸的直径，“行程”是活塞移动的距离。通过操控这些参数，工程师可以优化发动机的设计，以适应各种应用，无论是高性能跑车还是高效家庭轿车。此外，swept volume在决定发动机的压缩比方面也发挥着重要作用。压缩比是气缸在活塞处于BDC时的总容量与swept volume的比率。较高的压缩比通常会导致更多的功率和效率，但需要使用更高辛烷值的燃料以防止爆震。因此，理解如何平衡swept volume与其他发动机特性对于实现最佳性能至关重要。除了在发动机设计中的重要性外，swept volume的概念还适用于泵和压缩机等其他领域。在这些设备中，swept volume指的是泵或压缩机在一个完整循环中能够移动的流体体积。这个参数对于确定这些机器的流量和效率至关重要。此外，swept volume还会影响发动机产生的排放。一台设计良好的发动机，具有适当的swept volume，可以导致燃料的更完全燃烧，从而减少未燃烧的碳氢化合物排放到大气中。这一方面在当今世界尤为重要，因为环境问题已成为汽车工程的重点。总之，术语swept volume涵盖了机械工程中的一个关键方面，它不仅影响性能，还影响效率和环境影响。随着技术的不断进步，操控和理解swept volume的影响将始终是工程师的一项关键技能。通过专注于优化这一参数，汽车行业可以继续创新，提高我们每天依赖的车辆，确保它们满足性能期望和环境标准。