propeller advance

简明释义

螺旋桨进距

英英释义

例句

1.The aircraft's speed increased as the pilot adjusted the propeller advance to optimize performance.

当飞行员调整推进器前进度以优化性能时，飞机的速度增加。

2.Adjusting the propeller advance can lead to better climb rates in certain flight conditions.

在某些飞行条件下，调整推进器前进度可以提高爬升率。

3.The pilot needed to calculate the propeller advance to ensure a smooth cruise at altitude.

飞行员需要计算推进器前进度以确保在高空平稳巡航。

4.The engineer explained how the propeller advance affects fuel efficiency in propeller-driven aircraft.

工程师解释了推进器前进度如何影响螺旋桨驱动飞机的燃油效率。

5.Understanding the propeller advance is crucial for pilots during takeoff and landing phases.

在起飞和着陆阶段，了解推进器前进度对飞行员至关重要。

作文

In the world of aviation and marine engineering, the term propeller advance plays a crucial role in understanding how propellers function and their efficiency in generating thrust. The concept of propeller advance refers to the distance a vessel moves forward for each complete revolution of the propeller. This measurement is fundamental for engineers and designers when they are optimizing the performance of ships and aircraft. To grasp the significance of propeller advance, one must first understand the mechanics of a propeller. A propeller is essentially a rotating blade that converts rotational energy into linear thrust. The angle of the blades, known as the pitch, directly influences the amount of propeller advance achieved. For instance, a propeller with a high pitch will theoretically move a vessel further with each rotation compared to one with a low pitch. However, the relationship is not always linear due to factors like water resistance and air drag.The formula for calculating propeller advance can be expressed as: Advance = Number of revolutions × Pitch This equation highlights how both the number of revolutions and the pitch contribute to the total distance traveled by the vessel. Engineers utilize this formula to ensure that propellers are designed for optimal performance based on the specific requirements of the vessel or aircraft. For example, a cargo ship may require a different propeller advance than a speedboat due to their differing operational conditions and objectives.Moreover, understanding propeller advance is vital for achieving fuel efficiency. An efficient propeller design minimizes wasted energy, allowing vessels to travel further while consuming less fuel. This is particularly important in today’s environmentally conscious world, where reducing carbon emissions is a priority. By optimizing the propeller advance, engineers can significantly enhance a vessel's operational efficiency, leading to cost savings and a reduced environmental footprint.In practical applications, the effects of propeller advance can be observed in various scenarios. For instance, during the design phase of a new ship, simulations are often run to assess how changes in propeller design affect the overall speed and fuel consumption. If a designer finds that increasing the pitch of the propeller results in a significant increase in propeller advance, they might choose to implement that change, provided it does not adversely affect other performance metrics.Furthermore, the concept of propeller advance extends beyond just mechanical engineering; it also has implications in maritime navigation and safety. Understanding how quickly a vessel can move through the water helps captains make informed decisions regarding speed and maneuverability, particularly in congested or hazardous waters. Thus, knowledge of propeller advance becomes essential not only for design engineers but also for those operating these vessels.In conclusion, the term propeller advance encapsulates a critical aspect of propulsion technology. Its importance cannot be overstated, as it affects everything from design and efficiency to navigation and safety. As engineering continues to evolve, the understanding and application of propeller advance will remain a cornerstone of successful maritime and aviation practices.

在航空和海洋工程的世界中，术语propeller advance在理解螺旋桨的功能及其在产生推力中的效率方面起着至关重要的作用。propeller advance的概念指的是一艘船在螺旋桨完成一次完整旋转时向前移动的距离。这一测量对于工程师和设计师在优化船舶和飞机的性能时至关重要。要理解propeller advance的重要性，首先必须了解螺旋桨的机械原理。螺旋桨本质上是一个旋转的叶片，它将旋转能量转化为线性推力。叶片的角度，称为螺距，直接影响所实现的propeller advance的数量。例如，具有高螺距的螺旋桨理论上会比低螺距的螺旋桨在每次旋转中使船只移动得更远。然而，由于水阻力和空气阻力等因素，这种关系并不总是线性的。计算propeller advance的公式可以表示为：推进 = 转数 × 螺距这个方程突出了转数和螺距如何共同影响船只的总行驶距离。工程师利用这个公式确保螺旋桨的设计能够根据船舶或飞机的特定要求进行优化。例如，一艘货船可能需要与快艇不同的propeller advance，因为它们的操作条件和目标各不相同。此外，理解propeller advance对于实现燃油效率至关重要。高效的螺旋桨设计最大限度地减少了能量浪费，使船舶能够在消耗更少燃料的情况下航行更远。在当今环保意识日益增强的世界中，减少碳排放已成为优先事项。通过优化propeller advance，工程师可以显著提高船舶的操作效率，从而节省成本并减少环境足迹。在实际应用中，propeller advance的影响可以在各种场景中观察到。例如，在新船的设计阶段，通常会进行模拟以评估螺旋桨设计变化对整体速度和燃油消耗的影响。如果设计师发现增加螺旋桨的螺距会显著增加propeller advance，他们可能会选择实施这一变化，只要这不会对其他性能指标产生不利影响。此外，propeller advance的概念不仅仅局限于机械工程；它在海事导航和安全方面也有影响。了解船舶可以多快穿过水面帮助船长在拥挤或危险的水域做出明智的决策。因此，了解propeller advance不仅对设计工程师至关重要，对操作这些船舶的人来说也是如此。总之，术语propeller advance概括了推进技术的一个关键方面。它的重要性不可低估，因为它影响着从设计和效率到导航和安全的方方面面。随着工程的不断发展，对propeller advance的理解和应用将始终是成功的海事和航空实践的基石。