direct-coupled two stroke engine

简明释义

直接联结式二冲程发动机

英英释义

例句

1.Maintenance of a direct-coupled two stroke engine can be simpler compared to four-stroke engines.

与四冲程发动机相比，直接耦合的二冲程发动机的维护可能更简单。

2.For this racing motorcycle, we opted for a direct-coupled two stroke engine to achieve better performance on the track.

对于这款赛车摩托车，我们选择了直接耦合的二冲程发动机以在赛道上获得更好的性能。

3.The direct-coupled two stroke engine in this dirt bike provides an excellent power-to-weight ratio.

这款越野摩托车中的直接耦合的二冲程发动机提供了出色的功率重量比。

4.In marine applications, a direct-coupled two stroke engine is often preferred for its reliability.

在海洋应用中，直接耦合的二冲程发动机因其可靠性而受到青睐。

5.The new model of the boat is equipped with a direct-coupled two stroke engine, which enhances its speed and efficiency.

这款新型号的船配备了直接耦合的二冲程发动机，提高了速度和效率。

作文

The evolution of engines has been a significant part of technological advancement, particularly in the field of transportation and machinery. Among various types of engines, the direct-coupled two stroke engine stands out due to its unique design and operational efficiency. This type of engine is characterized by its ability to couple directly with the load it drives, eliminating the need for intermediate components such as gears or belts. Such a configuration not only simplifies the design but also enhances performance, making it a popular choice for various applications.A direct-coupled two stroke engine operates on a two-stroke cycle, which means that it completes a power cycle with every two strokes of the piston, as opposed to the four strokes required by traditional engines. This results in a power stroke occurring more frequently, leading to higher power output relative to engine size. The two-stroke design allows for a lighter and more compact engine, which is particularly advantageous in applications where space and weight are critical factors, such as in motorcycles, chainsaws, and other portable equipment.One of the primary advantages of the direct-coupled two stroke engine is its simplicity. With fewer moving parts compared to four-stroke engines, maintenance is often easier and less costly. Additionally, the direct coupling mechanism reduces energy losses that typically occur in systems with multiple components. This makes the engine not only more efficient but also more reliable, as there are fewer points of failure.However, it is important to note that the direct-coupled two stroke engine also has its drawbacks. For instance, these engines are generally less fuel-efficient than their four-stroke counterparts, primarily due to the way they operate. The scavenging process in two-stroke engines can lead to unburned fuel escaping from the exhaust, resulting in increased emissions and lower fuel economy. This has led to stricter regulations regarding their use, especially in environmentally sensitive areas.Despite these challenges, the direct-coupled two stroke engine remains a vital part of many industries. In marine applications, for example, these engines are favored for their high power-to-weight ratio and reliability under demanding conditions. Similarly, in the construction industry, they are often used in heavy machinery where robust performance is required.In conclusion, the direct-coupled two stroke engine represents an important innovation in engine technology. Its direct coupling design offers numerous benefits, including simplicity, compactness, and high power output. While there are environmental concerns associated with its operation, ongoing advancements in technology may help mitigate these issues. As we continue to seek more efficient and powerful engines, the direct-coupled two stroke engine will likely remain a key player in various sectors, driving progress and innovation forward.

发动机的演变是技术进步的重要组成部分，特别是在交通和机械领域。在各种类型的发动机中，直接耦合二冲程发动机因其独特的设计和操作效率而脱颖而出。这种类型的发动机的特点是能够直接与其驱动的负载耦合，消除了诸如齿轮或皮带等中间组件的需要。这样的配置不仅简化了设计，还增强了性能，使其成为各种应用中的热门选择。直接耦合二冲程发动机在每两个活塞行程完成一个动力循环，这意味着它的动力行程发生得更频繁，相对于发动机尺寸产生更高的功率输出。二冲程设计允许发动机更轻便、更紧凑，这在空间和重量至关重要的应用中尤其有利，如摩托车、链锯和其他便携设备。直接耦合二冲程发动机的主要优点之一是其简单性。与四冲程发动机相比，运动部件较少，使得维护通常更容易且成本更低。此外，直接耦合机制减少了在多个组件系统中通常发生的能量损失。这使得发动机不仅更高效，而且更可靠，因为故障点更少。然而，值得注意的是，直接耦合二冲程发动机也有其缺点。例如，这些发动机通常比四冲程发动机的燃油效率低，主要是由于其操作方式。二冲程发动机的排气过程可能导致未燃烧的燃料从排气口逸出，导致排放增加和燃油经济性降低。这导致对其使用的法规越来越严格，特别是在环境敏感区域。尽管面临这些挑战，直接耦合二冲程发动机仍然是许多行业的重要组成部分。例如，在海洋应用中，由于其高功率重量比和在苛刻条件下的可靠性，这些发动机受到青睐。同样，在建筑行业，它们常用于重型机械中，需要强大的性能。总之，直接耦合二冲程发动机代表了发动机技术的重要创新。其直接耦合设计提供了许多好处，包括简单性、紧凑性和高功率输出。虽然其操作中存在环境问题，但技术的持续进步可能有助于缓解这些问题。在我们继续寻求更高效、更强大的发动机时，直接耦合二冲程发动机可能仍将是各个领域的关键参与者，推动进步和创新向前发展。