propeller thrust
简明释义
螺旋桨推力
英英释义
Propeller thrust refers to the force generated by a propeller when it rotates, which propels an aircraft or vessel forward through the air or water. | 螺旋桨推力是指螺旋桨在旋转时产生的力量,推动飞机或船只通过空气或水向前移动。 |
例句
1.During the test flight, the pilot monitored the propeller thrust 螺旋桨推力 to ensure safety.
在试飞过程中,飞行员监控 螺旋桨推力 螺旋桨推力 以确保安全。
2.To achieve maximum speed, the engineers had to calculate the ideal propeller thrust 螺旋桨推力 for the new model.
为了实现最大速度,工程师们必须计算新型号的理想 螺旋桨推力 螺旋桨推力 。
3.The aircraft's speed increased as the propeller thrust 螺旋桨推力 was maximized during takeoff.
当飞机起飞时,螺旋桨推力 螺旋桨推力 达到最大值,飞机的速度提升了。
4.Engine efficiency can be improved by optimizing the propeller thrust 螺旋桨推力 at cruising altitude.
通过优化巡航高度的 螺旋桨推力 螺旋桨推力 可以提高发动机效率。
5.The design of the boat's hull significantly affects its propeller thrust 螺旋桨推力 and overall performance.
船体设计显著影响其 螺旋桨推力 螺旋桨推力 和整体性能。
作文
Understanding the concept of propeller thrust is crucial for anyone interested in aviation and marine engineering. In simple terms, propeller thrust refers to the force produced by a propeller as it moves through a fluid, such as air or water. This force is what propels an aircraft or a boat forward, allowing it to overcome resistance and achieve movement. The mechanics behind propeller thrust can be complex, but at its core, it involves the interaction between the blades of the propeller and the surrounding fluid. When a propeller spins, its blades create a difference in pressure on either side. The air or water flows over the blades, and due to their shape and angle, the pressure on one side becomes lower than the pressure on the other. This difference in pressure generates a force that pushes the propeller—and thus the vehicle—forward. The efficiency of propeller thrust can be affected by various factors, including the speed of the propeller, the angle of attack of the blades, and the density of the fluid. In aviation, understanding propeller thrust is essential for designing aircraft that can efficiently climb, cruise, and descend. For instance, during takeoff, a plane needs to generate substantial propeller thrust to lift off the ground. Engineers must carefully calculate the required thrust based on the aircraft's weight, the altitude, and environmental conditions. Similarly, in marine contexts, ships rely on propeller thrust to navigate through water. The design of the propeller, including its diameter and pitch, plays a significant role in determining how effectively it can generate thrust. Moreover, advancements in technology have led to innovations in propeller design that enhance propeller thrust. Modern materials and computational fluid dynamics allow engineers to create more efficient propellers that maximize thrust while minimizing drag. These innovations are vital for improving fuel efficiency and overall performance in both aviation and maritime applications. Additionally, understanding propeller thrust is not only important for engineers and designers but also for pilots and operators. Knowledge of how thrust affects flight dynamics can help pilots make informed decisions during various phases of flight. For example, during a climb, a pilot must ensure that the engine produces enough propeller thrust to gain altitude safely. Conversely, during descent, managing thrust becomes crucial to maintain control and ensure a smooth landing. In conclusion, propeller thrust is a fundamental concept in both aviation and marine engineering. It represents the force that enables vehicles to move through fluids, and understanding its principles is essential for optimizing performance and efficiency. As technology continues to evolve, the study of propeller thrust will remain a vital area of research, driving innovations that enhance the capabilities of aircraft and ships alike. Whether for a student, engineer, or enthusiast, grasping the intricacies of propeller thrust opens up a deeper appreciation for the mechanics of flight and navigation.
理解螺旋桨推力的概念对任何对航空和海洋工程感兴趣的人来说都是至关重要的。简单来说,螺旋桨推力指的是螺旋桨在流体(如空气或水)中移动时产生的力量。这种力量推动飞机或船只向前移动,使其克服阻力并实现运动。螺旋桨推力背后的机械原理可能很复杂,但从根本上讲,它涉及螺旋桨叶片与周围流体之间的相互作用。当螺旋桨旋转时,其叶片在两侧产生压力差。空气或水流过叶片,由于叶片的形状和角度,一侧的压力变得低于另一侧的压力。这种压力差产生了一种力量,推动螺旋桨——因此推动车辆向前。螺旋桨推力的效率会受到多种因素的影响,包括螺旋桨的转速、叶片的攻角以及流体的密度。在航空领域,理解螺旋桨推力对于设计能够高效爬升、巡航和下降的飞机至关重要。例如,在起飞过程中,飞机需要产生大量的螺旋桨推力才能离开地面。工程师必须根据飞机的重量、高度和环境条件仔细计算所需的推力。同样,在海洋环境中,船只依赖于螺旋桨推力在水中航行。螺旋桨的设计,包括直径和螺距,对于确定其生成推力的效率起着重要作用。此外,技术的进步导致了螺旋桨设计方面的创新,从而增强了螺旋桨推力。现代材料和计算流体动力学使工程师能够制造出更高效的螺旋桨,最大限度地提高推力,同时最小化阻力。这些创新对于提高燃油效率和整体性能在航空和海洋应用中至关重要。此外,理解螺旋桨推力不仅对工程师和设计师重要,对飞行员和操作员同样如此。了解推力如何影响飞行动态可以帮助飞行员在各种飞行阶段做出明智的决策。例如,在爬升期间,飞行员必须确保发动机产生足够的螺旋桨推力以安全地增高高度。相反,在下降过程中,管理推力变得至关重要,以保持控制并确保平稳着陆。总之,螺旋桨推力是航空和海洋工程中的一个基本概念。它代表了使车辆通过流体移动的力量,理解其原理对于优化性能和效率至关重要。随着技术的不断发展,对螺旋桨推力的研究将仍然是一个重要的研究领域,推动增强飞机和船舶能力的创新。无论是学生、工程师还是爱好者,掌握螺旋桨推力的复杂性都能更深入地欣赏飞行和导航的机械原理。
相关单词