pressure coefficient

简明释义

压力系数

英英释义

例句

1.To optimize the design, the team focused on reducing the pressure coefficient 压力系数 at critical points.

为了优化设计，团队专注于减少关键点的压力系数 pressure coefficient。

2.The pressure coefficient 压力系数 is essential for calculating drag forces in aerodynamics.

在空气动力学中，压力系数 pressure coefficient对于计算阻力至关重要。

3.The pressure coefficient 压力系数 of the airfoil was measured during the wind tunnel tests.

在风洞测试中测量了机翼的压力系数 pressure coefficient。

4.In fluid dynamics, the pressure coefficient 压力系数 helps in analyzing flow patterns around objects.

在流体动力学中，压力系数 pressure coefficient有助于分析物体周围的流动模式。

5.The engineer calculated the pressure coefficient 压力系数 to determine the wind load on the building.

工程师计算了压力系数 pressure coefficient以确定建筑物的风载荷。

作文

The concept of the pressure coefficient is fundamental in fluid mechanics and aerodynamics. It quantifies the relationship between the static pressure at a point in a fluid flow and the dynamic pressure of the fluid. In simpler terms, the pressure coefficient can be understood as a dimensionless number that helps engineers and scientists analyze how fluids behave when they interact with surfaces like aircraft wings, buildings, or even natural landscapes.To better understand this concept, consider an airplane flying through the air. As the airplane moves, the air flows over and under its wings. The shape of the wings causes variations in airspeed and pressure. The pressure coefficient is used to describe the pressure differences at various points along the wing's surface. By calculating the pressure coefficient, engineers can determine how much lift the wing generates and how it affects the overall performance of the aircraft.Mathematically, the pressure coefficient (Cp) is defined as:Cp = (P - P0) / (0.5 * ρ * V^2)Where P is the static pressure at the point of interest, P0 is the reference static pressure, ρ is the fluid density, and V is the flow velocity. This formula illustrates how the pressure coefficient relates the pressure at a specific point to the overall flow conditions.In practical applications, understanding the pressure coefficient is crucial for designing efficient aerodynamic shapes. For example, in automotive engineering, the shape of a car's body is designed to minimize drag and maximize stability. Engineers use the pressure coefficient to assess how air flows around the vehicle, allowing them to make informed decisions about design modifications.Moreover, the pressure coefficient is not only limited to aerodynamics but also plays a significant role in civil engineering. When designing buildings, architects must consider wind loads, which are influenced by the pressure coefficient. By analyzing how wind interacts with a building's surface, engineers can ensure that structures are safe and can withstand various environmental conditions.In addition to its applications in engineering, the pressure coefficient has implications in environmental studies as well. For instance, researchers studying river flows or ocean currents utilize the pressure coefficient to understand how water moves over different terrains. This information is vital for managing water resources, predicting flooding, and maintaining ecological balance.In conclusion, the pressure coefficient is a powerful tool that helps us understand and predict the behavior of fluids in various contexts. Whether in aviation, automotive design, civil engineering, or environmental science, the pressure coefficient provides valuable insights that enhance our ability to create efficient and safe systems. By mastering the concept of the pressure coefficient, professionals across multiple fields can improve their designs and contribute to advancements in technology and sustainability.

“压力系数”这一概念在流体力学和气动学中是基础性的。它量化了流体流动中某一点的静压与流体的动态压之间的关系。简单来说，“压力系数”可以理解为一个无量纲数，帮助工程师和科学家分析流体在与飞机机翼、建筑物或自然景观等表面相互作用时的行为。为了更好地理解这个概念，可以考虑一架飞机在空中飞行。当飞机移动时，空气在其机翼上方和下方流动。机翼的形状导致空气速度和压力的变化。“压力系数”用于描述机翼表面不同点的压力差。通过计算“压力系数”，工程师可以确定机翼产生的升力以及它对飞机整体性能的影响。在数学上，“压力系数”（Cp）定义为：Cp = (P - P0) / (0.5 * ρ * V^2)其中P是感兴趣点的静压，P0是参考静压，ρ是流体密度，V是流速。这个公式说明了“压力系数”如何将特定点的压力与整体流动条件联系起来。在实际应用中，理解“压力系数”对设计高效的空气动力学形状至关重要。例如，在汽车工程中，汽车车身的形状被设计成最小化阻力并最大化稳定性。工程师使用“压力系数”来评估空气如何在车辆周围流动，从而使他们能够对设计修改做出明智的决策。此外，“压力系数”不仅限于空气动力学，还在土木工程中发挥着重要作用。在设计建筑物时，建筑师必须考虑风载荷，这受到“压力系数”的影响。通过分析风与建筑物表面的相互作用，工程师可以确保结构安全，并能够承受各种环境条件。除了在工程中的应用外，“压力系数”在环境研究中也有重要意义。例如，研究河流流动或海洋洋流的研究人员利用“压力系数”来理解水在不同地形上的流动。这些信息对于管理水资源、预测洪水和维持生态平衡至关重要。总之，“压力系数”是一个强大的工具，帮助我们理解和预测流体在各种背景下的行为。无论是在航空、汽车设计、土木工程还是环境科学中，“压力系数”都提供了有价值的见解，增强了我们创建高效和安全系统的能力。通过掌握“压力系数”的概念，各个领域的专业人士可以改善他们的设计，并为技术和可持续发展的进步做出贡献。