two-spool engine

简明释义

双路式发动机

英英释义

例句

1.Engineers are researching ways to enhance the performance of the two-spool engine for future aircraft designs.

工程师们正在研究增强未来飞机设计中双转子发动机性能的方法。

2.The two-spool engine allows for independent control of the high-pressure and low-pressure compressors.

该双转子发动机允许对高压和低压压缩机进行独立控制。

3.Many modern commercial airliners utilize a two-spool engine design for better fuel efficiency and performance.

许多现代商用客机采用双转子发动机设计，以获得更好的燃油效率和性能。

4.The new fighter jet features a highly efficient two-spool engine which significantly improves its thrust-to-weight ratio.

新型战斗机配备了高效的双转子发动机，显著提高了其推重比。

5.The maintenance crew was trained specifically to handle the complexities of a two-spool engine during their certification.

维护团队经过专门培训，以处理双转子发动机的复杂性，确保其认证。

作文

The evolution of jet engine technology has been a remarkable journey, with various designs and configurations emerging over the decades. One significant advancement in this field is the development of the two-spool engine, which has become a standard in many modern aircraft. To understand the importance of the two-spool engine, it is essential to grasp its design and functionality.A two-spool engine consists of two distinct sections, or 'spools', that operate independently yet work together to produce thrust. The first spool typically houses the low-pressure compressor and turbine, while the second spool contains the high-pressure compressor and turbine. This configuration allows for improved efficiency and performance, as each spool can be optimized for different operating conditions. One of the primary advantages of the two-spool engine is its ability to maintain high efficiency across a range of speeds and altitudes. In contrast to single-spool engines, which may struggle with performance at varying conditions, the dual-spool design enables better adaptability. For example, when an aircraft climbs to higher altitudes, the high-pressure spool can continue to operate efficiently while the low-pressure spool adjusts to the changing air density. This adaptability leads to improved fuel economy and reduced emissions, which are critical factors in today’s aviation industry.Additionally, the two-spool engine offers enhanced reliability. Since the two spools function independently, if one spool experiences a failure, the other can often compensate, allowing the engine to continue operating safely. This redundancy is particularly important in commercial aviation, where passenger safety is paramount. Airlines benefit from the increased reliability of two-spool engines, as it reduces maintenance costs and enhances overall operational efficiency.Moreover, the two-spool engine design facilitates advanced technologies such as variable geometry and bypass ratios. Variable geometry allows the engine to adjust the shape of its components during flight, optimizing performance at different stages of the flight. Bypass ratios, which refer to the amount of air that bypasses the engine core compared to the air that goes through it, can also be fine-tuned in a two-spool engine. Higher bypass ratios generally lead to quieter operations and lower fuel consumption, making these engines more environmentally friendly.The impact of the two-spool engine on the aviation industry cannot be overstated. With the increasing demand for fuel-efficient and environmentally sustainable air travel, manufacturers have focused on developing advanced two-spool engines that meet these requirements. Aircraft like the Boeing 787 and the Airbus A350 are equipped with these cutting-edge engines, showcasing their effectiveness in modern aviation.In conclusion, the two-spool engine represents a significant leap forward in jet engine technology. Its unique design offers numerous benefits, including improved efficiency, enhanced reliability, and the ability to incorporate advanced technologies. As the aviation industry continues to evolve, the two-spool engine will undoubtedly play a crucial role in shaping the future of air travel, making it safer, more efficient, and more sustainable for generations to come.

喷气发动机技术的演变是一段显著的旅程，几十年来出现了各种设计和配置。其中一个重要的进展是开发了双涡轮发动机，它已成为许多现代飞机的标准。要理解双涡轮发动机的重要性，必须掌握其设计和功能。双涡轮发动机由两个独立运作但又相互配合以产生推力的部分或“涡轮”组成。第一个涡轮通常包含低压压缩机和涡轮，而第二个涡轮则包含高压压缩机和涡轮。这种配置提高了效率和性能，因为每个涡轮可以针对不同的工作条件进行优化。双涡轮发动机的主要优势之一是其能够在不同速度和高度下保持高效率。与可能在不同条件下表现不佳的单涡轮发动机相比，双涡轮设计能更好地适应。例如，当飞机爬升到更高的高度时，高压涡轮可以继续高效运作，同时低压涡轮根据空气密度的变化进行调整。这种适应性导致了更好的燃油经济性和减少排放，这在当今航空工业中至关重要。此外，双涡轮发动机还提供了更高的可靠性。由于两个涡轮独立运行，如果一个涡轮发生故障，另一个通常可以补偿，从而使发动机能够继续安全运行。这种冗余在商业航空中尤为重要，因为乘客的安全至关重要。航空公司受益于双涡轮发动机的高可靠性，因为这降低了维护成本并提高了整体运营效率。此外，双涡轮发动机设计还促进了可变几何和旁通比等先进技术的应用。可变几何允许发动机在飞行过程中调整其组件的形状，以优化在飞行不同阶段的性能。旁通比，即绕过发动机核心的空气量与进入发动机核心的空气量的比率，也可以在双涡轮发动机中进行微调。较高的旁通比通常会导致更安静的操作和更低的燃油消耗，使这些发动机更加环保。双涡轮发动机对航空业的影响不可小觑。随着对燃油高效和环境可持续航空旅行的需求不断增加，制造商们专注于开发满足这些要求的先进双涡轮发动机。波音787和空客A350等飞机装备了这些尖端发动机，展示了它们在现代航空中的有效性。总之，双涡轮发动机代表了喷气发动机技术的重大飞跃。其独特的设计提供了许多好处，包括改善的效率、增强的可靠性以及集成先进技术的能力。随着航空业的不断发展，双涡轮发动机无疑将在塑造未来航空旅行方面发挥关键作用，使其在未来几代人中更安全、更高效和更可持续。