built propeller

简明释义

组合推进器;装配推进器

英英释义

例句

1.The drone's performance was enhanced by the advanced built propeller technology.

该无人机的性能因先进的内置螺旋桨技术而得到提升。

2.During the testing phase, we realized that the built propeller significantly improved speed.

在测试阶段，我们意识到内置螺旋桨显著提高了速度。

3.The engineer designed a new model of a boat with a more efficient built propeller.

工程师设计了一种新型号的船，配备了更高效的内置螺旋桨。

4.The built propeller on this model is designed for maximum fuel efficiency.

此型号的内置螺旋桨旨在实现最大的燃油效率。

5.After replacing the old engine, the boat's built propeller functioned much better.

更换旧发动机后，船的内置螺旋桨功能大大改善。

作文

The concept of a built propeller is fascinating, especially when we consider its applications in various fields such as aviation, marine engineering, and even renewable energy. A built propeller refers to a propeller that has been specifically designed and constructed for optimal performance in its intended environment. This involves not only the choice of materials but also the design parameters that dictate how effectively the propeller can convert rotational energy into thrust.In the world of aviation, for example, a well-designed built propeller can significantly enhance the efficiency of an aircraft. The blades must be shaped to maximize lift while minimizing drag. Engineers utilize advanced computational fluid dynamics (CFD) simulations to predict how air flows over the blades, allowing them to refine their designs before physical prototypes are built. This process ensures that the built propeller will perform efficiently at various speeds and altitudes, which is crucial for both commercial airlines and military aircraft.Similarly, in marine engineering, a built propeller plays a pivotal role in the propulsion of ships and submarines. The design of marine propellers often incorporates considerations for water flow and resistance. For instance, a ship's built propeller must be robust enough to withstand harsh ocean conditions while providing the necessary thrust to move the vessel through water. The size, shape, and pitch of the blades are carefully calculated to ensure optimal performance, fuel efficiency, and maneuverability.Moreover, the rise of renewable energy technologies has introduced new contexts for the built propeller. Wind turbines, for example, utilize large propeller-like blades to capture wind energy and convert it into electricity. The design of these blades is critical; they must be engineered to withstand varying wind speeds while maximizing energy capture. A poorly designed built propeller could lead to inefficient energy production or even mechanical failure.In addition to their technical aspects, built propellers also represent a blend of art and science. The aesthetic design of a propeller can influence not only its functionality but also its appeal. In the case of vintage aircraft or classic boats, the design of the built propeller often reflects the craftsmanship and engineering principles of its time, making it a subject of admiration among enthusiasts and historians alike.Furthermore, the advancements in materials science have led to the development of more efficient and durable built propellers. Traditional materials like aluminum and bronze are now being complemented by composites and advanced alloys that offer greater strength-to-weight ratios. This evolution allows for lighter, more efficient designs that can operate in harsher environments without compromising on performance.In conclusion, the significance of a built propeller extends far beyond its basic function of providing thrust. It embodies a culmination of engineering expertise, innovative design, and practical application across multiple industries. As technology continues to evolve, we can expect to see even more sophisticated built propellers that push the boundaries of what is possible in flight and maritime travel, ultimately contributing to a more efficient and sustainable future.

‘built propeller’的概念令人着迷，特别是当我们考虑它在航空、海洋工程甚至可再生能源等多个领域的应用时。‘built propeller’指的是专门设计和构建以实现最佳性能的螺旋桨。这不仅涉及材料的选择，还包括决定螺旋桨如何有效地将旋转能量转化为推力的设计参数。例如，在航空领域，一个设计良好的‘built propeller’可以显著提高飞机的效率。叶片的形状必须最大化升力，同时最小化阻力。工程师利用先进的计算流体动力学（CFD）模拟来预测空气如何在叶片上流动，从而在实际原型构建之前精细化他们的设计。这个过程确保了‘built propeller’在不同速度和高度下都能高效运行，这对商业航空公司和军用飞机都是至关重要的。同样，在海洋工程中，‘built propeller’在船舶和潜艇的推进中扮演着关键角色。海洋螺旋桨的设计通常考虑到水流和阻力。例如，船只的‘built propeller’必须足够坚固，以承受恶劣的海洋条件，同时提供必要的推力以推动船只穿过水面。叶片的大小、形状和螺距经过仔细计算，以确保最佳性能、燃油效率和机动性。此外，可再生能源技术的兴起为‘built propeller’引入了新的背景。例如，风力涡轮机利用大型类似螺旋桨的叶片捕捉风能并将其转化为电力。这些叶片的设计至关重要；它们必须经过工程设计，以承受不同的风速，同时最大化能量捕获。设计不良的‘built propeller’可能导致能量生产效率低下，甚至机械故障。除了技术方面，‘built propeller’还代表了艺术与科学的结合。螺旋桨的美学设计不仅可以影响其功能，还可以影响其吸引力。在复古飞机或经典船只的情况下，‘built propeller’的设计往往反映了其时代的工艺和工程原则，使其成为爱好者和历史学家钦佩的对象。此外，材料科学的进步导致了更高效、更耐用的‘built propellers’的发展。传统材料如铝和青铜现在正被复合材料和先进合金所补充，这些材料提供了更大的强度与重量比。这种演变使得更轻、更高效的设计能够在更恶劣的环境中运行，而不会妥协性能。总之，‘built propeller’的重要性远远超出了其提供推力的基本功能。它体现了工程专业知识、创新设计和多个行业实际应用的结合。随着技术的不断发展，我们可以期待看到更复杂的‘built propellers’，推动飞行和海洋旅行的可能性边界，最终为更高效和可持续的未来做出贡献。