quadruple expansion engine

简明释义

四胀式蒸汽机

英英释义

例句

1.The museum features an exhibit on the evolution of the quadruple expansion engine in marine engineering.

博物馆展出了关于四重膨胀发动机在海洋工程中演变的展览。

2.A quadruple expansion engine can significantly reduce fuel consumption in maritime applications.

在海洋应用中，四重膨胀发动机可以显著减少燃料消耗。

3.The vintage steam locomotive is powered by a quadruple expansion engine, showcasing historical technology.

这辆复古蒸汽机车由四重膨胀发动机驱动，展示了历史技术。

4.The ship's propulsion system utilizes a quadruple expansion engine to enhance efficiency.

这艘船的推进系统采用了四重膨胀发动机以提高效率。

5.Engineers are studying the performance of a quadruple expansion engine for potential upgrades.

工程师们正在研究四重膨胀发动机的性能，以寻找潜在的升级方案。

作文

The concept of a quadruple expansion engine is fascinating and integral to understanding the evolution of steam technology. This type of engine operates on the principle of expanding steam four times before it exhausts, thereby maximizing efficiency and power output. The quadruple expansion engine was developed during the late 19th century when engineers were striving to improve the performance of steam engines, which were the backbone of industrialization at that time.To understand how a quadruple expansion engine works, one must first grasp the basics of steam engines. Traditional steam engines typically use a single cylinder where steam is introduced, expands, and then exhausts. In contrast, the quadruple expansion engine employs four cylinders arranged in a series, each operating at different pressures. The steam first enters the high-pressure cylinder, where it expands significantly. After this initial expansion, the steam moves into a medium-pressure cylinder, followed by a low-pressure cylinder, and finally, it enters the condenser. Each stage of expansion extracts more energy from the steam, leading to improved efficiency.The advantages of a quadruple expansion engine are manifold. Firstly, the multiple stages of expansion allow for a more complete utilization of the steam's energy. This means that less fuel is required to produce the same amount of power compared to simpler engines. Secondly, the design of these engines minimizes waste heat, which is crucial for maintaining operational efficiency. In an era where resources were limited, this kind of innovation played a significant role in advancing technology and industry.Historically, the quadruple expansion engine found its primary application in marine vessels, particularly in large ocean liners and cargo ships. These ships benefited immensely from the engine's ability to generate substantial power while maintaining fuel efficiency over long journeys. The use of such engines allowed for faster travel times and reduced operating costs, revolutionizing maritime transport.In addition to their practical applications, quadruple expansion engines also represent a remarkable achievement in engineering. The complexity of designing an engine that could efficiently handle steam at multiple pressures is a testament to the ingenuity of engineers of that era. Innovations in materials and manufacturing processes enabled the construction of these sophisticated machines, pushing the boundaries of what was technically possible.As we look back at the impact of the quadruple expansion engine, it is clear that it laid the groundwork for modern engineering practices. The principles behind its operation continue to influence contemporary designs in various fields, including power generation and mechanical engineering. While steam engines have largely been replaced by internal combustion engines and electric motors, the legacy of the quadruple expansion engine remains relevant in discussions about efficiency and energy utilization.In conclusion, the quadruple expansion engine is not just a historical artifact but a symbol of progress in engineering and technology. Its development marked a pivotal moment in the industrial revolution, showcasing human creativity and the relentless pursuit of improvement. Understanding this engine's workings and significance helps us appreciate the advancements that have shaped our modern world today.

“四重膨胀发动机”的概念令人着迷，并且对于理解蒸汽技术的演变至关重要。这种类型的发动机基于在排气之前将蒸汽膨胀四次的原理，从而最大化效率和功率输出。“四重膨胀发动机”是在19世纪末开发的，当时工程师们努力提高蒸汽机的性能，而蒸汽机正是当时工业化的支柱。要理解“四重膨胀发动机”的工作原理，首先必须掌握蒸汽机的基本知识。传统的蒸汽机通常使用一个单一的气缸，在那里引入蒸汽、扩展，然后排气。相比之下，“四重膨胀发动机”采用四个气缸串联排列，每个气缸在不同的压力下运行。蒸汽首先进入高压气缸，在那里它显著膨胀。经过这一初步膨胀后，蒸汽进入中压气缸，然后是低压气缸，最后进入冷凝器。每个膨胀阶段都从蒸汽中提取更多能量，从而提高效率。“四重膨胀发动机”的优点是多方面的。首先，多级膨胀允许蒸汽能量的更完全利用。这意味着与简单发动机相比，产生相同功率所需的燃料更少。其次，这些发动机的设计最小化了废热，这是维持操作效率的关键。在资源有限的时代，这种创新在推进技术和工业方面发挥了重要作用。历史上，“四重膨胀发动机”主要应用于海洋船舶，特别是在大型远洋客轮和货船中。这些船只极大地受益于发动机在长途旅行中能够产生可观的功率，同时保持燃油效率。“四重膨胀发动机”的使用使得航行时间更快，运营成本降低，彻底改变了海洋运输。除了实际应用外，“四重膨胀发动机”还代表了工程学上的显著成就。设计一种能够有效处理多种压力下蒸汽的发动机的复杂性，是对那个时代工程师创造力的证明。材料和制造工艺的创新使得这些复杂机器的建造成为可能，推动了技术可能性的边界。回顾“四重膨胀发动机”的影响，可以清楚地看出，它为现代工程实践奠定了基础。其操作背后的原则继续影响着各个领域的当代设计，包括发电和机械工程。虽然蒸汽机在很大程度上被内燃机和电动机所取代，但“四重膨胀发动机”的遗产在关于效率和能源利用的讨论中仍然具有相关性。总之，“四重膨胀发动机”不仅仅是一个历史遗物，更是工程和技术进步的象征。它的发展标志着工业革命中的一个关键时刻，展示了人类的创造力和对改进的不懈追求。理解这台发动机的工作原理和重要性有助于我们欣赏塑造我们现代世界的进步。