long stroke engine

简明释义

长冲程柴油机

英英释义

例句

1.The new motorcycle features a powerful long stroke engine that enhances torque at low speeds.

这款新摩托车配备了一台强大的长行程发动机，在低速时增强了扭矩。

2.A long stroke engine typically has a larger displacement, which contributes to its power output.

一台长行程发动机通常具有更大的排量，这有助于其功率输出。

3.Many classic cars are equipped with a long stroke engine for better performance on the road.

许多经典汽车都配备了长行程发动机，以提高道路性能。

4.The design of a long stroke engine allows for increased fuel efficiency in modern vehicles.

长行程发动机的设计使现代车辆的燃油效率得以提高。

5.Racers prefer a long stroke engine because it provides a smoother power delivery during races.

赛车手更喜欢长行程发动机，因为它在比赛中提供更平稳的动力输出。

作文

The world of automotive engineering is filled with various types of engines, each designed to meet specific performance and efficiency needs. One such engine configuration that has gained attention in recent years is the long stroke engine. A long stroke engine (长行程发动机) is characterized by its longer piston stroke compared to its bore diameter. This design allows for a greater displacement within the same engine size, which can lead to increased torque and improved fuel efficiency.There are several advantages to using a long stroke engine. First and foremost, the longer stroke enhances the engine’s ability to produce torque at lower RPMs. This characteristic is particularly beneficial for vehicles that require strong pulling power, such as trucks and SUVs. The increased torque output means that these vehicles can handle heavier loads and deliver better performance in off-road conditions.Moreover, a long stroke engine tends to operate more efficiently than its short-stroke counterparts. This is due to the fact that the longer stroke allows for a more complete combustion process, leading to better fuel economy. As fuel prices continue to rise, the demand for engines that can maximize efficiency without sacrificing power has become more pronounced. Thus, the long stroke engine has emerged as a viable option for manufacturers looking to meet consumer demands.Another significant advantage of a long stroke engine is its smoother operation. The longer stroke creates a more gradual increase in pressure during the combustion cycle, which results in less vibration and noise. This is especially important for luxury vehicles where comfort is a priority. A smoother engine operation not only enhances the driving experience but also contributes to the longevity of the engine itself.However, there are some challenges associated with the long stroke engine design. One of the primary concerns is the potential for increased wear and tear on engine components. The longer stroke can result in higher lateral forces acting on the piston, which may lead to faster degradation of parts such as rings and bearings. Manufacturers must carefully engineer these components to withstand the unique stresses imposed by a long stroke engine.Additionally, while a long stroke engine excels in torque production, it may not perform as well in terms of high-end horsepower compared to short-stroke engines. This can be a disadvantage in applications where high RPM performance is crucial, such as in sports cars or racing scenarios. Therefore, engineers must strike a balance between optimizing torque and horsepower when designing a long stroke engine.In conclusion, the long stroke engine (长行程发动机) represents an innovative approach to engine design that offers numerous benefits, including enhanced torque, improved fuel efficiency, and smoother operation. While there are certain challenges to consider, the advantages make it a compelling choice for many vehicle applications. As automotive technology continues to evolve, the long stroke engine will likely play a significant role in shaping the future of transportation, catering to the growing demand for efficient and powerful engines.