adjustable pitch

简明释义

可调螺距

英英释义

例句

1.In aviation, a propeller with an adjustable pitch can optimize performance at different speeds.

在航空领域，带有可调节的螺旋桨叶片角度的螺旋桨可以在不同速度下优化性能。

2.Our new sound system includes speakers with adjustable pitch settings for enhanced audio clarity.

我们的新音响系统包括具有可调节音高设置的扬声器，以增强音频清晰度。

3.The drone's blades have an adjustable pitch feature that improves stability during flight.

无人机的螺旋桨具有可调节的叶片角度功能，可以提高飞行稳定性。

4.The musician preferred a guitar with an adjustable pitch mechanism for better sound quality.

这位音乐家更喜欢一把具有可调节音高机制的吉他，以获得更好的音质。

5.The new ceiling fan features an adjustable pitch that allows users to control the airflow direction.

这款新天花板风扇具有可调节的叶片角度，允许用户控制气流方向。

作文

In the world of engineering and design, the term adjustable pitch refers to the ability to modify the angle of blades or surfaces in various applications, such as propellers and fans. This concept is crucial for optimizing performance and efficiency in many mechanical systems. The significance of adjustable pitch can be observed in several industries, including aviation, marine, and even HVAC (heating, ventilation, and air conditioning) systems.One of the most prominent applications of adjustable pitch is found in aircraft propellers. In aviation, the ability to change the pitch of the propeller blades allows pilots to achieve maximum thrust during takeoff and optimal fuel efficiency during cruising. For instance, when an aircraft is taking off, the blades are set to a low pitch to create more thrust. Once the aircraft reaches cruising altitude, the pitch is adjusted to a higher angle to reduce drag and improve fuel economy. This dynamic adjustment not only enhances performance but also contributes to the overall safety and reliability of the flight.Similarly, in the marine industry, ships equipped with adjustable pitch propellers can maneuver more effectively in different water conditions. By altering the pitch of the propeller blades, vessels can achieve better acceleration, speed, and fuel efficiency. This adaptability is particularly beneficial for large cargo ships that must navigate through varying sea states and operational demands. The ability to adjust the pitch allows these ships to maintain optimal performance while minimizing fuel consumption, which is a critical factor in reducing operational costs and environmental impact.The concept of adjustable pitch is not limited to aerospace and marine applications; it also plays a significant role in HVAC systems. In these systems, fans often utilize adjustable pitch blades to regulate airflow based on the specific heating or cooling needs of a space. By adjusting the pitch of the fan blades, HVAC systems can optimize energy usage while maintaining comfortable indoor temperatures. This flexibility is essential in modern building designs, where energy efficiency is a top priority.Moreover, the implementation of adjustable pitch technology is becoming increasingly important in the context of renewable energy. Wind turbines, for example, use adjustable pitch mechanisms to optimize their performance based on wind conditions. By changing the pitch of the turbine blades, operators can maximize energy capture during high winds and minimize stress on the structure during storms. This capability not only enhances the efficiency of wind energy production but also extends the lifespan of the turbines.In conclusion, the concept of adjustable pitch is integral to various engineering fields, providing significant benefits in terms of performance, efficiency, and adaptability. Whether in aviation, marine transportation, HVAC systems, or renewable energy, the ability to modify the pitch of blades plays a crucial role in optimizing operations. As technology continues to advance, the importance of adjustable pitch will likely grow, leading to even more innovative applications that enhance our everyday lives. Understanding this term and its implications can help us appreciate the complexities of modern engineering and the continuous pursuit of efficiency and sustainability.

在工程和设计的世界中，术语可调螺距指的是在各种应用中修改叶片或表面角度的能力，例如螺旋桨和风扇。这个概念对于优化许多机械系统的性能和效率至关重要。可调螺距的重要性可以在多个行业中观察到，包括航空、海洋，甚至暖通空调（HVAC）系统。可调螺距的一个显著应用可以在飞机螺旋桨中找到。在航空领域，改变螺旋桨叶片的螺距使飞行员能够在起飞时实现最大推力，并在巡航时获得最佳燃油效率。例如，当飞机起飞时，叶片设置为低螺距，以产生更多的推力。一旦飞机达到巡航高度，螺距会调整为更高的角度，以减少阻力并提高燃油经济性。这种动态调整不仅提高了性能，还为飞行的整体安全性和可靠性做出了贡献。同样，在海洋行业，配备可调螺距螺旋桨的船只可以在不同的水域条件下更有效地操控。通过改变螺旋桨叶片的螺距，船只可以实现更好的加速、速度和燃油效率。这种适应性对于必须在变化的海况和操作需求中航行的大型货船尤其有利。调整螺距的能力使这些船只能够在保持最佳性能的同时最小化燃料消耗，这在降低运营成本和环境影响方面至关重要。可调螺距的概念不仅限于航空和海洋应用；它在HVAC系统中也发挥着重要作用。在这些系统中，风扇通常利用可调螺距叶片来根据空间的特定供暖或制冷需求调节气流。通过调整风扇叶片的螺距，HVAC系统可以优化能源使用，同时保持舒适的室内温度。这种灵活性在现代建筑设计中至关重要，能源效率是首要任务。此外，可调螺距技术的实施在可再生能源的背景下变得越来越重要。例如，风力涡轮机使用可调螺距机制来根据风况优化其性能。通过改变涡轮叶片的螺距，操作人员可以在强风期间最大化能量捕获，并在风暴期间最小化结构上的压力。这种能力不仅提高了风能生产的效率，还延长了涡轮机的使用寿命。总之，可调螺距的概念对各个工程领域至关重要，在性能、效率和适应性方面提供了显著的好处。无论是在航空、海洋运输、HVAC系统还是可再生能源中，修改叶片的螺距的能力在优化操作中扮演着关键角色。随着技术的不断进步，可调螺距的重要性可能会增加，从而导致更多创新应用，改善我们的日常生活。理解这个术语及其含义可以帮助我们欣赏现代工程的复杂性以及对效率和可持续性的持续追求。