center of pressure

简明释义

压力中心(造船用语

英英释义

例句

1.In designing the sail, the engineer calculated the center of pressure 压力中心 to optimize performance in varying wind conditions.

在设计帆时，工程师计算了压力中心以优化在不同风况下的性能。

2.During the wind tunnel tests, the team measured the center of pressure 压力中心 to evaluate the aerodynamic efficiency of the model.

在风洞测试中，团队测量了压力中心以评估模型的空气动力学效率。

3.The pilot adjusted the flight controls to maintain the aircraft's stability, ensuring the center of pressure 压力中心 was aligned with the center of gravity.

飞行员调整了飞行控制，以保持飞机的稳定，确保压力中心与重心对齐。

4.Understanding the center of pressure 压力中心 is crucial for ensuring the stability of underwater vehicles.

理解压力中心对于确保水下航行器的稳定性至关重要。

5.The research focused on how the center of pressure 压力中心 affects the maneuverability of drones during flight.

研究集中在压力中心如何影响无人机在飞行中的机动性。

作文

In the field of fluid dynamics and aerodynamics, the concept of the center of pressure plays a crucial role in understanding how forces act on an object immersed in a fluid or moving through the air. The center of pressure refers to the specific point where the total sum of a pressure field acts on a body, causing a force to act through that point. This point is essential for analyzing the stability and control of aircraft, submarines, and various other vehicles. When an object moves through a fluid, it experiences pressure variations across its surface due to the fluid's flow. These pressure differences create lift and drag forces that can significantly affect the object's performance. The center of pressure is not a fixed point; it can shift depending on the object's orientation and the flow conditions. For example, in an airplane wing, as the angle of attack increases, the center of pressure moves forward, leading to changes in the aerodynamic characteristics of the wing. Understanding the location of the center of pressure is vital for engineers and designers. If the center of pressure is too far forward or backward relative to the center of gravity, it can lead to instability. An aircraft with a forward center of pressure may experience nose-up tendencies, while one with a rearward center of pressure might pitch down uncontrollably. Therefore, careful calculations and simulations are necessary to ensure that the center of pressure aligns well with the center of gravity during different flight conditions. Moreover, the center of pressure is also significant in the design of underwater vehicles and structures. Submarines, for instance, must consider the effects of buoyancy and hydrodynamic forces, where the center of pressure influences their maneuverability and stability underwater. Engineers often use computational fluid dynamics (CFD) simulations to predict the behavior of the center of pressure under various conditions, allowing for optimized designs that enhance performance and safety. In conclusion, the center of pressure is a fundamental concept in fluid mechanics that affects the stability and performance of various vehicles and structures. Its dynamic nature requires careful consideration during the design phase to ensure optimal functionality. By understanding and accurately predicting the location of the center of pressure, engineers can create safer and more efficient vehicles capable of navigating complex fluid environments. As technology continues to advance, the importance of mastering the concept of the center of pressure will only grow, paving the way for innovations in transportation and engineering.

在流体动力学和空气动力学领域，压力中心的概念在理解物体在流体中浸没或在空气中移动时所受力的作用方面起着至关重要的作用。压力中心指的是压力场的总和作用于物体的特定点，从而导致通过该点施加力。这个点对于分析飞机、潜艇和各种其他车辆的稳定性和控制是必不可少的。当物体在流体中移动时，由于流体的流动，其表面会经历压力变化。这些压力差会产生升力和阻力，对物体的性能产生显著影响。压力中心并不是一个固定的点；它可以根据物体的方向和流动条件而移动。例如，在飞机机翼上，当攻角增加时，压力中心向前移动，这会导致机翼的气动特性发生变化。了解压力中心的位置对工程师和设计师至关重要。如果压力中心相对于重心过于靠前或靠后，可能会导致不稳定性。具有前置压力中心的飞机可能会出现抬头倾向，而具有后置压力中心的飞机可能会失控向下俯冲。因此，在不同飞行条件下，需要进行仔细的计算和模拟，以确保压力中心与重心良好对齐。此外，压力中心在水下车辆和结构的设计中也很重要。例如，潜艇必须考虑浮力和水动力力的影响，其中压力中心影响其在水下的机动性和稳定性。工程师通常使用计算流体动力学（CFD）模拟来预测在各种条件下压力中心的行为，从而允许优化设计以增强性能和安全性。总之，压力中心是流体力学中的一个基本概念，影响着各种车辆和结构的稳定性和性能。其动态特性要求在设计阶段仔细考虑，以确保最佳功能。通过理解和准确预测压力中心的位置，工程师可以创造出更安全、更高效的车辆，能够在复杂的流体环境中导航。随着技术的不断进步，掌握压力中心的概念的重要性只会增加，为交通和工程领域的创新铺平道路。