effective cross sectional area

简明释义

有效断面积

英英释义

例句

1.The design of the duct system must consider the effective cross sectional area 有效横截面积 to ensure proper airflow.

风管系统的设计必须考虑到有效横截面积 有效横截面积以确保气流的正常流动。

2.Engineers calculate the effective cross sectional area 有效横截面积 of a nozzle to optimize thrust in rocket propulsion.

工程师计算喷嘴的有效横截面积 有效横截面积以优化火箭推进中的推力。

3.During the testing phase, we measured the effective cross sectional area 有效横截面积 of the channel to predict water flow.

在测试阶段，我们测量了通道的有效横截面积 有效横截面积以预测水流。

4.In fluid dynamics, the effective cross sectional area 有效横截面积 of a pipe affects the flow rate significantly.

在流体动力学中，管道的有效横截面积 有效横截面积显著影响流速。

5.The effective cross sectional area 有效横截面积 of an air filter determines its efficiency in trapping particles.

空气过滤器的有效横截面积 有效横截面积决定了其捕捉颗粒的效率。

作文

The concept of effective cross sectional area plays a crucial role in various fields of engineering and physics. It refers to the area that effectively contributes to the flow of a fluid or the transmission of forces through an object. Understanding this concept is essential for designing efficient systems, whether they are related to fluid dynamics, structural engineering, or even aerodynamics. In fluid dynamics, for instance, the effective cross sectional area determines how much fluid can pass through a pipe or an orifice under a given pressure. This is particularly important in applications such as water supply systems, where ensuring adequate flow rates is vital for functionality.In structural engineering, the effective cross sectional area is used to assess the strength and stability of materials. When a beam is loaded, not all parts of its cross section contribute equally to bearing the load. The effective cross sectional area helps engineers identify which portions of the material will bear the most stress and how they should be designed to prevent failure. For example, in reinforced concrete structures, the placement of steel rebar is strategically done to maximize the effective cross sectional area that resists tension and compression forces.Moreover, in the field of aerodynamics, the effective cross sectional area influences the drag force experienced by an object moving through air. When designing vehicles or aircraft, engineers must consider how the shape and orientation of the object affect its effective cross sectional area. A streamlined design reduces the effective cross sectional area exposed to airflow, leading to lower drag and improved fuel efficiency. This principle is not only applicable to large vehicles but also to small-scale designs, such as sports equipment, where minimizing air resistance can enhance performance.In summary, the effective cross sectional area is a fundamental concept that affects various engineering disciplines. By understanding how this area functions in different contexts, engineers can optimize designs for better performance and efficiency. Whether it’s ensuring sufficient fluid flow, maximizing structural integrity, or minimizing aerodynamic drag, the effective cross sectional area is a critical factor that engineers must consider in their work. As technology advances and the demand for more efficient systems increases, the importance of mastering the concept of effective cross sectional area will only continue to grow, making it an essential topic for students and professionals alike.

有效横截面积的概念在工程和物理的各个领域中都发挥着至关重要的作用。它指的是有效地促进流体流动或通过物体传递力的面积。理解这个概念对于设计高效系统至关重要，无论这些系统与流体动力学、结构工程还是甚至空气动力学有关。例如，在流体动力学中，有效横截面积决定了在给定压力下，通过管道或孔口可以通过多少流体。这在水供应系统等应用中尤其重要，因为确保足够的流量对于功能性至关重要。在结构工程中，有效横截面积用于评估材料的强度和稳定性。当梁受到荷载时，其横截面的所有部分并不均等地对承载荷载做出贡献。有效横截面积帮助工程师识别材料中哪些部分将承受最大的应力，以及它们应该如何设计以防止失效。例如，在钢筋混凝土结构中，钢筋的放置是经过战略性安排，以最大化抵抗拉伸和压缩力的有效横截面积。此外，在空气动力学领域，有效横截面积影响着在空气中移动的物体所经历的阻力。当设计车辆或飞机时，工程师必须考虑物体的形状和方向如何影响其有效横截面积。流线型设计减少了暴露于气流的有效横截面积，从而降低了阻力，提高了燃油效率。这个原理不仅适用于大型车辆，还适用于小规模设计，如运动器材，减少空气阻力可以提升性能。总之，有效横截面积是影响各种工程学科的基本概念。通过理解该面积在不同上下文中的功能，工程师可以优化设计以提高性能和效率。无论是确保足够的流体流动、最大化结构完整性，还是最小化空气动力学阻力，有效横截面积都是工程师在工作中必须考虑的关键因素。随着技术的进步和对更高效系统需求的增加，掌握有效横截面积的概念的重要性只会继续增长，这使其成为学生和专业人士都必须关注的主题。