propeller slip

简明释义

推进器滑失率

英英释义

例句

1.To optimize performance, the engineer adjusted the pitch to reduce propeller slip.

为了优化性能，工程师调整了螺旋桨的桨距以减少螺旋桨滑移。

2.During the test flight, the team recorded the propeller slip at various speeds.

在测试飞行中，团队记录了不同速度下的螺旋桨滑移。

3.Understanding propeller slip is crucial for improving aircraft efficiency.

理解螺旋桨滑移对于提高飞机效率至关重要。

4.A high propeller slip can lead to increased fuel consumption during flight.

高螺旋桨滑移会导致飞行期间燃油消耗增加。

5.The pilot noticed a significant propeller slip during the ascent, indicating inefficiency in thrust.

飞行员在爬升过程中注意到明显的螺旋桨滑移，这表明推力效率低下。

作文

In the world of aviation and marine engineering, understanding the dynamics of propulsion is crucial for efficiency and performance. One important concept that engineers and pilots must grasp is propeller slip, which refers to the difference between the distance a propeller theoretically travels through the air or water and the actual distance it covers. This phenomenon can significantly affect the effectiveness of a vessel or an aircraft, making it essential to consider in design and operation.To illustrate, let’s take a closer look at how propeller slip works. When a propeller spins, it generates thrust by pushing against the surrounding medium—air or water. The blades of the propeller are designed to create a pressure differential, allowing the vehicle to move forward. However, not all of the energy exerted by the propeller translates into forward motion. Some of this energy is lost due to various factors, such as turbulence, drag, and the inherent inefficiencies in the propeller design itself.The formula for calculating propeller slip is relatively straightforward. It is expressed as a percentage and calculated by taking the difference between the theoretical distance traveled (known as the 'geometric pitch') and the actual distance traveled, divided by the geometric pitch, then multiplied by 100. For example, if a propeller has a geometric pitch of 10 feet but only achieves 9 feet of actual travel, the propeller slip would be 10%. This means that 10% of the potential thrust is not being utilized effectively.Understanding propeller slip is vital for optimizing performance. In aviation, a high propeller slip can indicate that an aircraft is not achieving its desired speed or efficiency, which could lead to increased fuel consumption and decreased range. Similarly, in marine applications, excessive propeller slip can result in slower speeds and reduced maneuverability, affecting a ship's ability to navigate effectively.Engineers continuously strive to minimize propeller slip through better design and materials. Innovations in blade shape, pitch control, and even the use of advanced computational fluid dynamics (CFD) simulations have led to more efficient propellers. These advancements not only improve performance but also contribute to sustainability by reducing fuel consumption and emissions.Moreover, pilots and captains can monitor propeller slip during operations to make real-time adjustments. By understanding the conditions that lead to increased slip, such as heavy loads or adverse weather, they can optimize their flight or navigation strategies. For instance, adjusting the throttle or altering the angle of attack can help mitigate the effects of propeller slip, ensuring that the vehicle operates within its optimal parameters.In conclusion, the concept of propeller slip is fundamental to the fields of aviation and marine engineering. It represents a critical measure of efficiency and performance, influencing everything from design to operation. By minimizing propeller slip, engineers and operators can enhance the effectiveness of their vehicles, leading to improved fuel efficiency, greater speed, and better overall performance. As technology continues to advance, the understanding and management of propeller slip will remain a key focus for those in the industry, ultimately contributing to safer and more efficient travel across air and sea.

在航空和海洋工程的世界中，理解推进动力学对效率和性能至关重要。工程师和飞行员必须掌握的一个重要概念是螺旋桨滑移，它指的是螺旋桨理论上通过空气或水行驶的距离与其实际行驶的距离之间的差异。这种现象可以显著影响船舶或飞机的有效性，因此在设计和操作中必须考虑这一点。为了说明螺旋桨滑移的工作原理，让我们更仔细地看看它是如何运作的。当螺旋桨旋转时，它通过推动周围介质——空气或水来产生推力。螺旋桨的叶片被设计成产生压力差，使得车辆向前移动。然而，并不是所有螺旋桨施加的能量都转化为前进的运动。一些能量由于各种因素而损失，例如湍流、阻力以及螺旋桨设计本身固有的低效率。计算螺旋桨滑移的公式相对简单。它以百分比表示，通过将理论行驶距离（称为“几何螺距”）与实际行驶距离之间的差值除以几何螺距，然后乘以100来计算。例如，如果一个螺旋桨的几何螺距为10英尺，但实际行驶只有9英尺，则螺旋桨滑移为10%。这意味着10%的潜在推力没有被有效利用。理解螺旋桨滑移对于优化性能至关重要。在航空领域，高螺旋桨滑移可能表明飞机没有达到预期的速度或效率，这可能导致燃料消耗增加和航程减少。同样，在海洋应用中，过高的螺旋桨滑移可能导致速度变慢和机动性降低，影响船只有效导航的能力。工程师们不断努力通过更好的设计和材料来最小化螺旋桨滑移。在叶片形状、螺距控制甚至使用先进的计算流体动力学（CFD）仿真方面的创新，已经导致了更高效的螺旋桨。这些进步不仅提高了性能，还通过减少燃料消耗和排放为可持续性做出了贡献。此外，飞行员和船长可以在操作过程中监测螺旋桨滑移，以进行实时调整。通过理解导致滑移增加的条件，例如重载或恶劣天气，他们可以优化飞行或导航策略。例如，调整油门或改变攻角可以帮助减轻螺旋桨滑移的影响，确保车辆在其最佳参数内运行。总之，螺旋桨滑移的概念是航空和海洋工程领域的基础。它代表了效率和性能的关键衡量标准，影响着从设计到操作的方方面面。通过最小化螺旋桨滑移，工程师和操作人员可以增强其车辆的有效性，从而提高燃油效率、速度和整体性能。随着技术的不断进步，理解和管理螺旋桨滑移将继续成为行业关注的重点，最终促进空中和海上的安全和高效旅行。