propeller horse-power

简明释义

螺旋桨马力

英英释义

例句

1.The performance of the aircraft is largely determined by its propeller horse-power 螺旋桨马力 output.

飞机的性能在很大程度上取决于其螺旋桨马力 螺旋桨马力输出。

2.A higher propeller horse-power 螺旋桨马力 rating means better performance in rough waters.

更高的螺旋桨马力 螺旋桨马力等级意味着在恶劣水域中的更好表现。

3.Engine modifications can significantly increase the propeller horse-power 螺旋桨马力 of a boat.

对引擎进行改装可以显著提高船只的螺旋桨马力 螺旋桨马力。

4.The yacht's engine produces a maximum of propeller horse-power 螺旋桨马力 that allows it to reach high speeds.

这艘游艇的引擎产生的最大螺旋桨马力 螺旋桨马力使其能够达到高速。

5.When calculating fuel efficiency, it's important to consider the propeller horse-power 螺旋桨马力 of the vessel.

在计算燃油效率时，考虑船只的螺旋桨马力 螺旋桨马力是很重要的。

作文

In the world of marine engineering and aviation, the term propeller horse-power refers to the measure of power delivered by a propeller to produce thrust. It is a crucial concept for understanding how effectively a vessel or aircraft can convert engine power into forward motion. The calculation of propeller horse-power takes into account various factors, including the design of the propeller, the speed of the vessel or aircraft, and the density of the fluid (air or water) in which it operates.To grasp the significance of propeller horse-power, one must first understand the basic principles of propulsion. In essence, a propeller works by creating a pressure difference between its front and back surfaces. When the blades of the propeller rotate, they push against the surrounding fluid, generating thrust that propels the vehicle forward. The efficiency of this process is largely determined by the design and size of the propeller, as well as the engine's power output.The formula for calculating propeller horse-power involves several variables. One common equation used is: Propeller Horse-Power = (Thrust x Speed) / 550Where thrust is measured in pounds and speed in feet per second. This formula indicates that the power delivered by the propeller increases with greater thrust and speed, highlighting the importance of optimizing both for maximum performance.Another essential aspect of propeller horse-power is its relationship with efficiency. Not all the power generated by an engine is converted into usable thrust; some energy is lost due to factors such as drag and turbulence. Therefore, the efficiency of a propeller is often expressed as a percentage, known as the propulsive efficiency. This efficiency can be maximized through careful design choices, such as blade shape and pitch, which ultimately influence the overall performance of the vehicle.In practical applications, understanding propeller horse-power is vital for engineers and designers when developing new vessels or aircraft. For instance, in the design phase, engineers must select the appropriate size and type of propeller to match the engine's capabilities and the intended use of the vehicle. A mismatch can lead to underperformance or excessive fuel consumption, which are critical considerations in both commercial and military aviation.Furthermore, the concept of propeller horse-power extends beyond just theoretical calculations; it plays a significant role in real-world scenarios. For example, during testing phases, engineers monitor the propeller horse-power to ensure that the vehicle meets performance specifications. If the measured power falls short of expectations, adjustments can be made to either the engine or the propeller to enhance performance.In conclusion, propeller horse-power is a fundamental concept in the fields of marine and aerospace engineering, representing the power output of a propeller in terms of thrust generation. By understanding and applying the principles behind propeller horse-power, engineers can optimize the performance of vessels and aircraft, ensuring they operate efficiently and effectively in their respective environments. As technology continues to advance, the importance of accurately measuring and maximizing propeller horse-power will only grow, paving the way for innovations in propulsion systems that enhance speed, efficiency, and overall performance.

在海洋工程和航空领域，术语propeller horse-power指的是螺旋桨提供的功率，以产生推力。这是理解船舶或飞机如何有效地将发动机功率转化为前进动力的关键概念。propeller horse-power的计算考虑了多个因素，包括螺旋桨的设计、船舶或飞机的速度以及其操作的流体（空气或水）的密度。要理解propeller horse-power的重要性，首先必须了解推进的基本原理。本质上，螺旋桨通过在其前后表面之间创建压力差来工作。当螺旋桨的叶片旋转时，它们推动周围的流体，从而产生推动车辆向前的推力。这一过程的效率在很大程度上取决于螺旋桨的设计和大小，以及发动机的功率输出。计算propeller horse-power的公式涉及多个变量。一个常用的公式是：Propeller Horse-Power = (Thrust x Speed) / 550其中推力以磅为单位，速度以英尺每秒为单位。这个公式表明，螺旋桨提供的功率随着推力和速度的增加而增加，强调了优化两者以实现最佳性能的重要性。propeller horse-power的另一个重要方面是它与效率的关系。并不是所有由发动机产生的功率都转化为可用的推力；由于阻力和湍流等因素，一些能量会损失。因此，螺旋桨的效率通常以百分比表示，被称为推进效率。通过精心的设计选择，例如叶片形状和螺距，可以最大限度地提高这种效率，从而最终影响车辆的整体性能。在实际应用中，理解propeller horse-power对工程师和设计师在开发新船舶或飞机时至关重要。例如，在设计阶段，工程师必须选择合适的螺旋桨大小和类型，以匹配发动机的能力和车辆的预期用途。不匹配可能导致性能不足或过度的燃料消耗，这在商业和军事航空中都是至关重要的考虑因素。此外，propeller horse-power的概念不仅限于理论计算；它在现实场景中也发挥着重要作用。例如，在测试阶段，工程师监测propeller horse-power，以确保车辆满足性能规格。如果测得的功率低于预期，可以对发动机或螺旋桨进行调整，以增强性能。总之，propeller horse-power是海洋和航空工程领域的一个基本概念，代表了螺旋桨在推力生成方面的功率输出。通过理解和应用propeller horse-power背后的原理，工程师可以优化船舶和飞机的性能，确保它们在各自环境中高效、有效地运行。随着技术的不断进步，准确测量和最大化propeller horse-power的重要性只会增加，为推进系统的创新铺平道路，从而提高速度、效率和整体性能。