film-cooled blade

简明释义

油膜冷却叶片薄层空冷叶片

英英释义

例句

1.The research team focused on optimizing the cooling efficiency of the film-cooled blade.

研究团队专注于优化膜冷却叶片的冷却效率。

2.The film-cooled blade technology significantly reduces the risk of thermal fatigue.

该膜冷却叶片技术显著降低了热疲劳的风险。

3.The new turbine design features a film-cooled blade which enhances thermal efficiency.

新的涡轮设计采用了膜冷却叶片，提高了热效率。

4.In modern jet engines, the film-cooled blade is crucial for maintaining performance.

在现代喷气发动机中，膜冷却叶片对于维持性能至关重要。

5.Engineers are testing the durability of the film-cooled blade under extreme conditions.

工程师正在测试膜冷却叶片在极端条件下的耐久性。

作文

In the realm of modern engineering, particularly in the aerospace and power generation industries, efficiency and performance are paramount. One of the most critical components in gas turbines is the blade, which operates under extreme conditions. To enhance the durability and efficiency of these blades, engineers have developed advanced cooling techniques. One such technique involves the use of a technology known as film-cooled blade (膜冷却叶片). This innovation has revolutionized the way turbine blades are designed and operated.A film-cooled blade is designed to manage the intense heat generated during combustion. In a gas turbine, air is compressed and mixed with fuel, then ignited to produce high-temperature gases that expand rapidly, driving the turbine blades. These blades can reach temperatures exceeding 1,500 degrees Celsius. Without effective cooling, the materials used for these blades would quickly degrade, leading to catastrophic failure.The concept of film-cooled blade technology involves creating a thin layer of cooler air that flows over the surface of the blade. This layer acts as an insulating barrier between the hot gases and the blade material itself. The cooling air is typically bled from the compressor stage of the turbine and is directed to flow along the outer surface of the blade. As this cooler air forms a 'film' around the blade, it significantly reduces the temperature experienced by the blade material.The effectiveness of film-cooled blade technology lies in its ability to maintain the structural integrity of the blades while optimizing their performance. By keeping the blade surface temperature lower, manufacturers can use materials that are less expensive and easier to work with, rather than relying solely on exotic alloys that can withstand higher temperatures. This not only reduces production costs but also improves the overall efficiency of the turbine.Moreover, the implementation of film-cooled blade technology allows for greater operational flexibility. Turbines equipped with these advanced blades can operate at higher temperatures, leading to increased power output and improved fuel efficiency. This is especially important in today's energy landscape, where there is a constant demand for cleaner and more efficient power generation methods.In addition to aerospace applications, film-cooled blade technology has found its way into various industrial processes, including power plants and even some automotive engines. The principles of thermal management and efficiency are universal, making this technology applicable across different sectors.In conclusion, the development of film-cooled blade technology represents a significant advancement in the field of thermal management for gas turbines. It not only enhances the performance and longevity of turbine blades but also contributes to the overall efficiency of energy systems. As the demand for sustainable and efficient energy solutions continues to grow, innovations like film-cooled blade technology will play a crucial role in shaping the future of engineering and energy production.

在现代工程领域，尤其是在航空航天和发电行业，效率和性能至关重要。燃气涡轮机中最关键的组件之一是叶片，它在极端条件下工作。为了提高这些叶片的耐久性和效率，工程师们开发了先进的冷却技术。其中一种技术涉及使用被称为膜冷却叶片（film-cooled blade）的技术。这一创新彻底改变了涡轮叶片的设计和操作方式。膜冷却叶片旨在管理燃烧过程中产生的强烈热量。在燃气涡轮中，空气被压缩并与燃料混合，然后点燃以产生高温气体，这些气体迅速膨胀，推动涡轮叶片。这些叶片的温度可以超过1500摄氏度。如果没有有效的冷却，叶片所用的材料会迅速降解，导致灾难性的故障。膜冷却叶片技术的概念涉及在叶片表面形成一层薄薄的较冷空气流。这一层空气作为热气体与叶片材料之间的绝缘屏障。冷却空气通常从涡轮的压缩机阶段抽取，并引导流向叶片的外表面。当这种较冷的空气在叶片周围形成“膜”时，它显著降低了叶片材料所承受的温度。膜冷却叶片技术的有效性在于它能够保持叶片的结构完整性，同时优化其性能。通过保持叶片表面温度较低，制造商可以使用成本更低、加工更容易的材料，而不是仅依赖于能够承受更高温度的特殊合金。这不仅降低了生产成本，还改善了涡轮的整体效率。此外，采用膜冷却叶片技术使操作灵活性更大。配备这些先进叶片的涡轮可以在更高温度下运行，从而提高功率输出和燃料效率。在当今能源格局中，对于更清洁、更高效的发电方法的需求不断增长，这一点尤为重要。除了航空航天应用，膜冷却叶片技术还进入了各种工业过程，包括发电厂甚至一些汽车发动机。热管理和效率的原则是普遍适用的，使该技术能够跨不同部门应用。总之，膜冷却叶片技术的发展代表了燃气涡轮热管理领域的一项重大进步。它不仅增强了涡轮叶片的性能和寿命，还有助于整体能源系统的效率。随着对可持续和高效能源解决方案的需求持续增长，像膜冷却叶片技术这样的创新将在塑造工程和能源生产的未来中发挥至关重要的作用。