propeller emergence

简明释义

推进器露出水面

英英释义

例句

1.The technician adjusted the settings to minimize propeller emergence 螺旋桨出现 during cruise.

技术人员调整了设置，以最小化巡航期间的螺旋桨出现。

2.The pilot noted the propeller emergence 螺旋桨出现 during the takeoff roll, indicating a need for adjustments.

飞行员注意到在起飞滑跑过程中发生了螺旋桨出现，这表明需要进行调整。

3.The engineer explained how propeller emergence 螺旋桨出现 affects the aircraft's performance in different flight conditions.

工程师解释了螺旋桨出现如何影响飞机在不同飞行条件下的性能。

4.Understanding propeller emergence 螺旋桨出现 is crucial for optimizing fuel efficiency.

理解螺旋桨出现对于优化燃油效率至关重要。

5.During the inspection, we observed the propeller emergence 螺旋桨出现 was not aligned properly with the engine.

在检查中，我们观察到螺旋桨出现与发动机的对齐不正确。

作文

The concept of propeller emergence is crucial in the field of aerodynamics and aviation. It refers to the phenomenon where the propeller blades of an aircraft become partially or fully submerged in the airflow, affecting their performance and efficiency. Understanding this concept is essential for engineers and pilots alike, as it directly impacts the thrust generated by the aircraft and its overall flight characteristics. When an aircraft takes off, the angle of attack of the propeller blades changes as the speed increases. This change can lead to a point where the blades are not generating sufficient lift due to the airflow being disrupted. This disruption is what we refer to as propeller emergence (螺旋桨出现). The emergence of the propeller is a critical factor that must be carefully managed to ensure that the aircraft operates safely and efficiently. In practical terms, propeller emergence can be observed during various phases of flight. For example, during takeoff, if the propeller blades emerge too quickly from the turbulent airflow caused by the fuselage, it could result in a loss of thrust or even stalling. Pilots must be trained to recognize the signs of improper propeller emergence and adjust their flying techniques accordingly. Moreover, aircraft designers must consider propeller emergence when creating new models. They need to analyze how the design of the aircraft affects the airflow around the propellers, ensuring that they remain efficient throughout all phases of flight. This involves extensive wind tunnel testing and computational fluid dynamics simulations to predict how the aircraft will perform under various conditions. Another important aspect of propeller emergence is its impact on noise levels. As the blades interact with the air, they can create sound waves that contribute to the overall noise footprint of the aircraft. By optimizing the design to manage propeller emergence, engineers can also work towards reducing noise pollution, which is a significant concern for communities near airports. In conclusion, the phenomenon of propeller emergence plays a vital role in aviation. Its implications stretch from safety and performance to environmental considerations. As technology advances, our understanding of this concept will only deepen, leading to more efficient and quieter aircraft designs. Therefore, both current and future aviation professionals must prioritize the study of propeller emergence to enhance their skills and contribute positively to the industry.

“螺旋桨出现”这一概念在空气动力学和航空领域至关重要。它指的是飞机的螺旋桨叶片部分或完全淹没在气流中，从而影响其性能和效率。理解这一概念对工程师和飞行员来说都是必不可少的，因为它直接影响到飞机产生的推力及其整体飞行特性。 当飞机起飞时，随着速度的增加，螺旋桨叶片的攻角会发生变化。这种变化可能导致叶片由于气流被扰动而无法产生足够的升力。这种扰动正是我们所称之为“螺旋桨出现”（propeller emergence）。螺旋桨的出现是一个关键因素，必须小心管理，以确保飞机安全高效地运行。 在实际操作中，“螺旋桨出现”可以在飞行的各个阶段观察到。例如，在起飞过程中，如果螺旋桨叶片过快地从机身引起的湍流气流中出现，可能导致推力损失甚至失速。飞行员必须接受培训，以识别不当螺旋桨出现的迹象，并相应调整他们的飞行技术。 此外，飞机设计师在创建新型号时也必须考虑“螺旋桨出现”。他们需要分析飞机的设计如何影响螺旋桨周围的气流，确保在飞行的所有阶段保持高效。这涉及到广泛的风洞测试和计算流体动力学模拟，以预测飞机在各种条件下的表现。 “螺旋桨出现”的另一个重要方面是其对噪音水平的影响。当叶片与空气相互作用时，会产生声波，进而对飞机的整体噪音产生贡献。通过优化设计以管理“螺旋桨出现”，工程师们还可以致力于减少噪音污染，这是机场附近社区的一个重大关注问题。 总之，“螺旋桨出现”现象在航空中扮演着至关重要的角色。它的影响从安全和性能延伸到环境考虑。随着技术的进步，我们对这一概念的理解将不断加深，从而促成更高效、更安静的飞机设计。因此，当前和未来的航空专业人士必须优先研究“螺旋桨出现”，以提升自己的技能并为行业做出积极贡献。