turbofan

简明释义

英[ˈtɜːbəʊˌfæn]美[ˈtɜːrboˌfæn]

n. [航] 涡轮风扇发动机；扇涡轮；扇喷射

英英释义

单词用法

同义词

反义词

例句

1.The effects of thrust vectoring angle and angular velocity of vectoring on turbofan engine operation were investigated.

研究了矢量喷管偏转角和偏转角速度对涡扇发动机工作的影响。

2.The engine is an axial flow turbofan with two rotors and variable stator vanes.

发动机是一个有两个转子和不同的定子叶片的轴流式涡轮风扇发动机。

3.Simulation results of LTR control for a turbofan engine show the effectiveness of the approach.

将此设计方法应用于某型涡扇发动机的LTR控制，取得了良好的控制效果。

4.This paper build up a new model of turbofan engine's starting process.

本论文建立了一个新的涡扇发动机起动过程模拟的模型。

5.FSQP algorithm based multivariable optimal control method for the acceleration process of turbofan engine is developed.

提出了一种基于FSQP算法的涡扇发动机多变量最优加速控制方法。

6.For virtually all commercial airliners today, the answer is "turbofan engines," the latest in a decades-long evolution.

若以目前商用客机而言，答案是“涡轮扇引擎”，它是近数十年来最新的演化成果。

7.A turbofan engine consists of a fan, compressor, and turbine.

涡扇发动机由风扇、压缩机和涡轮组成。

8.The sound of the turbofan during takeoff is quite distinct.

起飞时的涡扇发动机声音非常独特。

9.Engineers are constantly improving turbofan technology to reduce emissions.

工程师们不断改进涡扇发动机技术以减少排放。

10.The new aircraft model features a more efficient turbofan engine.

这款新飞机型号配备了更高效的涡扇发动机。

11.Many commercial airliners use turbofan engines for better fuel efficiency.

许多商业客机使用涡扇发动机以提高燃油效率。

作文

The development of modern aviation technology has led to the creation of various types of aircraft engines, each designed to meet specific performance requirements. Among these engines, the turbofan (涡扇发动机) stands out as one of the most widely used in commercial aviation. A turbofan engine consists of a large fan at the front, which is responsible for generating the majority of the thrust required for flight. This design allows for greater efficiency and quieter operation compared to traditional turbojet engines. The basic principle behind a turbofan engine is relatively straightforward. Air enters the engine through the large fan, where a portion of it is bypassed around the engine core. This bypassed air, or 'bypass air', contributes significantly to the overall thrust produced by the engine. The remaining air continues into the engine core, where it is compressed, mixed with fuel, and ignited. The resulting high-temperature gases expand rapidly and are expelled through a nozzle at the rear of the engine, providing additional thrust. One of the key advantages of a turbofan engine is its fuel efficiency. Because a significant amount of thrust is generated by the bypass air rather than the core exhaust, turbofan engines can operate at lower speeds and altitudes while still maintaining effective performance. This characteristic makes them particularly suitable for long-haul flights, where fuel consumption is a critical factor in operational costs. Airlines are always looking for ways to reduce expenses, and the adoption of turbofan technology has played a crucial role in achieving this goal.In addition to fuel efficiency, turbofan engines also produce less noise compared to their turbojet counterparts. The large fan blades help to muffle the sound generated by the engine, making flying a more pleasant experience for passengers and those living near airports. This reduction in noise pollution has become increasingly important as environmental concerns continue to rise, prompting regulations that require quieter aircraft.Despite their many advantages, turbofan engines are not without their challenges. For instance, the complexity of their design means that they require more maintenance than simpler engine types. Additionally, the large size of the fan can make turbofan engines heavier, which can impact the overall weight of the aircraft. However, advancements in materials and engineering have allowed manufacturers to mitigate these issues, leading to the production of lighter and more efficient engines.In conclusion, the turbofan (涡扇发动机) engine has revolutionized the aviation industry, offering a perfect blend of efficiency, performance, and reduced noise levels. As technology continues to evolve, we can expect further enhancements in turbofan design, making air travel even more sustainable and accessible. Understanding the mechanics and benefits of turbofan engines is essential for anyone interested in the future of aviation and the ongoing quest for greener technologies.

现代航空技术的发展导致了各种类型飞机发动机的出现，每种发动机都旨在满足特定的性能要求。在这些发动机中，涡扇发动机（turbofan）因其在商业航空中的广泛应用而脱颖而出。涡扇发动机由前方的大风扇组成，负责产生飞行所需的大部分推力。这种设计使其相比传统的涡轮喷气发动机具有更高的效率和更安静的运行。涡扇发动机的基本原理相对简单。空气通过大风扇进入发动机，其中一部分空气绕过发动机核心。这部分被绕过的空气，即“旁通空气”，显著贡献了发动机产生的整体推力。剩余的空气继续进入发动机核心，在那里被压缩、与燃料混合并点燃。由此产生的高温气体迅速膨胀并通过发动机后部的喷嘴排出，从而提供额外的推力。涡扇发动机的一个主要优点是其燃油效率。由于大部分推力是由旁通空气而非核心排气产生的，涡扇发动机可以在较低的速度和高度下运行，同时仍保持有效的性能。这一特性使其特别适合于长途航班，在这些航班中，燃油消耗是运营成本的关键因素。航空公司始终在寻找降低费用的方法，采用涡扇发动机技术在实现这一目标方面发挥了至关重要的作用。除了燃油效率，涡扇发动机相比涡轮喷气发动机还产生更少的噪音。大型风扇叶片有助于减轻发动机产生的声音，使乘客和居住在机场附近的人们的飞行体验更加愉快。随着环境问题日益受到关注，这种噪音污染的减少变得越来越重要，促使出台要求飞机噪音更小的法规。尽管有许多优点，涡扇发动机也面临着挑战。例如，它们的设计复杂性意味着需要比简单发动机类型更多的维护。此外，大型风扇的尺寸可能使涡扇发动机更重，这会影响飞机的整体重量。然而，材料和工程方面的进步使制造商能够减轻这些问题，生产出更轻、更高效的发动机。总之，涡扇发动机（turbofan）彻底改变了航空工业，提供了效率、性能和降低噪音水平的完美结合。随着技术的不断发展，我们可以期待涡扇发动机设计的进一步改进，使航空旅行更加可持续和便利。理解涡扇发动机的机制和好处对于任何对航空未来及寻求更环保技术的持续探索感兴趣的人来说都是至关重要的。