diesel engine

简明释义

柴油机

英英释义

例句

1.The diesel engine is known for its durability and longevity.

柴油发动机因其耐用性和长寿命而闻名。

2.We need to service the diesel engine before our road trip.

在我们的公路旅行之前，我们需要对柴油发动机进行保养。

3.A diesel engine typically provides more torque than a gasoline engine.

柴油发动机通常提供比汽油发动机更多的扭矩。

4.Many ships use a diesel engine for better fuel efficiency.

许多船只使用柴油发动机以提高燃油效率。

5.The truck is powered by a diesel engine.

这辆卡车由柴油发动机驱动。

作文

The diesel engine is a type of internal combustion engine that operates using diesel fuel. It was invented by Rudolf Diesel in the late 19th century and has since become one of the most widely used engines in the world. The diesel engine is known for its efficiency, durability, and ability to produce high torque at low speeds, making it ideal for heavy-duty vehicles such as trucks, buses, and ships.One of the key advantages of the diesel engine is its fuel efficiency. Compared to gasoline engines, diesel engines can provide up to 30% more energy from the same amount of fuel. This efficiency is largely due to the higher compression ratio used in diesel engines, which allows them to extract more energy from the fuel during combustion. As a result, vehicles equipped with diesel engines can travel longer distances on less fuel, making them an economical choice for long-haul transportation.In addition to fuel efficiency, diesel engines are also known for their longevity. They are built to withstand higher pressures and temperatures than gasoline engines, which contributes to their extended lifespan. Many diesel engines can run for hundreds of thousands of miles with proper maintenance. This durability makes them popular not only in transportation but also in industrial applications, where reliability is crucial.Another important characteristic of diesel engines is their torque output. Torque is the rotational force that an engine produces, and diesel engines generate significantly more torque than their gasoline counterparts. This feature is particularly advantageous for vehicles that need to haul heavy loads or climb steep inclines, as diesel engines can deliver power smoothly and efficiently without straining.However, it is essential to acknowledge the environmental concerns associated with diesel engines. While they are more fuel-efficient, diesel engines emit higher levels of nitrogen oxides (NOx) and particulate matter compared to gasoline engines. These emissions contribute to air pollution and can have adverse health effects. To address these issues, manufacturers have developed advanced emission control technologies, such as selective catalytic reduction (SCR) and diesel particulate filters (DPF), to minimize the environmental impact of diesel engines.The future of diesel engines is also evolving with the rise of alternative fuels and electric vehicles. While diesel engines remain dominant in certain sectors, there is a growing push towards cleaner energy sources. Hybrid systems and fully electric vehicles are becoming more prevalent, leading to discussions about the sustainability of diesel engines in the long term.In conclusion, the diesel engine has played a pivotal role in the development of modern transportation and industry. Its efficiency, durability, and torque output make it a preferred choice for many applications. However, as we move towards a more sustainable future, the challenges posed by emissions must be addressed. The evolution of technology and increasing awareness of environmental issues will shape the future of diesel engines and their place in our world.

柴油机是一种使用柴油燃料的内燃机。它是在19世纪末由鲁道夫·迪塞尔发明的，自那时以来，已经成为世界上最广泛使用的发动机之一。柴油机以其高效、耐用和能够在低速下产生高扭矩而闻名，使其成为卡车、公交车和船只等重型车辆的理想选择。柴油机的一个关键优势是其燃油效率。与汽油发动机相比，柴油机在相同数量的燃料中可以提供多达30%的能量。这种效率主要归因于柴油机使用的更高压缩比，这使它们在燃烧过程中能够从燃料中提取更多的能量。因此，配备柴油机的车辆可以在更少的燃料上行驶更长的距离，使其成为长途运输的经济选择。除了燃油效率，柴油机还以其耐用性而著称。它们被设计成能够承受比汽油发动机更高的压力和温度，这有助于延长其使用寿命。许多柴油机在适当维护的情况下可以运行数十万英里。这种耐用性使它们在运输和工业应用中都很受欢迎，因为可靠性至关重要。柴油机的另一个重要特征是其扭矩输出。扭矩是发动机产生的旋转力，柴油机的扭矩输出显著高于汽油发动机。这一特性对于需要拖运重载或攀爬陡坡的车辆尤其有利，因为柴油机可以平稳而高效地提供动力，而不至于造成过度负担。然而，必须承认与柴油机相关的环境问题。虽然柴油机的燃油效率更高，但与汽油发动机相比，柴油机排放的氮氧化物（NOx）和颗粒物水平更高。这些排放物会导致空气污染，并可能对健康产生不利影响。为了应对这些问题，制造商已经开发出先进的排放控制技术，如选择性催化还原（SCR）和柴油颗粒过滤器（DPF），以尽量减少柴油机对环境的影响。随着替代燃料和电动车辆的兴起，柴油机的未来也在不断演变。尽管柴油机在某些领域仍占主导地位，但越来越多的人开始推动向更清洁的能源源转型。混合动力系统和全电动汽车正在变得越来越普遍，导致人们对柴油机可持续性的讨论。总之，柴油机在现代交通和工业的发展中发挥了重要作用。其效率、耐用性和扭矩输出使其成为许多应用的首选。然而，随着我们迈向更加可持续的未来，必须解决排放带来的挑战。技术的进步和对环境问题的日益关注将塑造柴油机的未来及其在我们世界中的地位。