cross sectional area

简明释义

横截面面积

英英释义

例句

1.In fluid dynamics, the cross sectional area 横截面积 of a channel determines the velocity of the fluid.

在流体动力学中，通道的cross sectional area 横截面积决定了流体的速度。

2.When designing a bridge, engineers must consider the cross sectional area 横截面积 of the support columns.

在设计桥梁时，工程师必须考虑支撑柱的cross sectional area 横截面积。

3.To ensure structural integrity, the cross sectional area 横截面积 of the beams must be sufficient.

为了确保结构完整性，梁的cross sectional area 横截面积必须足够。

4.The engineer calculated the cross sectional area 横截面积 of the pipe to determine the flow rate.

工程师计算了管道的cross sectional area 横截面积以确定流量。

5.The cross sectional area 横截面积 of the electrical wire affects its current-carrying capacity.

电线的cross sectional area 横截面积影响其载流能力。

作文

The concept of cross sectional area is fundamental in various fields of science and engineering. It refers to the area of a particular section of an object that is perpendicular to a specified direction. Understanding this concept is crucial for analyzing the behavior of materials under different forces, determining fluid flow rates, and designing structures that can withstand various loads. For instance, when engineers design bridges, they must take into account the cross sectional area of the beams used to ensure that they can support the weight of vehicles and pedestrians without failing. In physics, the cross sectional area plays a significant role in fluid dynamics. When fluid flows through a pipe, the rate of flow is influenced by the cross sectional area of the pipe. A larger cross sectional area allows more fluid to pass through at once, while a smaller area restricts the flow. This principle is essential in applications such as water supply systems, where engineers must calculate the appropriate pipe sizes to provide adequate water pressure and flow to homes and businesses.Moreover, the cross sectional area is also important in the field of materials science. When testing materials for strength, scientists often examine how the material behaves under tension or compression. The cross sectional area of the material being tested directly affects the stress experienced by the material. For example, a steel rod with a larger cross sectional area will be able to withstand greater forces without breaking compared to a thinner rod made of the same material.In architecture, the cross sectional area is critical in ensuring that buildings can support their own weight as well as the weight of occupants and furnishings. Architects must carefully calculate the cross sectional area of columns, beams, and other structural elements to ensure safety and stability. If the cross sectional area is inadequate, it could lead to structural failure, posing a risk to human life and property.To summarize, the cross sectional area is a vital concept that finds applications across multiple disciplines. Whether it is in engineering, physics, materials science, or architecture, understanding the implications of the cross sectional area enables professionals to make informed decisions that affect the design and functionality of various systems. As technology advances, the importance of accurately calculating and applying the principles related to the cross sectional area will only continue to grow, underscoring its relevance in contemporary scientific and engineering practices.

“横截面积”这一概念在科学和工程的各个领域中都是基础性的。它指的是物体某一特定截面在指定方向上垂直的面积。理解这个概念对于分析材料在不同力作用下的行为、确定流体流速以及设计能够承受各种负荷的结构至关重要。例如，当工程师设计桥梁时，他们必须考虑所用梁的横截面积，以确保它们能够支持车辆和行人的重量而不发生故障。在物理学中，横截面积在流体动力学中起着重要作用。当流体通过管道流动时，流速受到管道横截面积的影响。较大的横截面积允许更多的流体一次性通过，而较小的面积则限制了流动。这一原理在水供应系统等应用中是必不可少的，工程师必须计算出适当的管道尺寸，以便为家庭和企业提供足够的水压和流量。此外，横截面积在材料科学领域中也很重要。在测试材料强度时，科学家们通常会检查材料在拉伸或压缩下的表现。被测试材料的横截面积直接影响材料所经历的应力。例如，具有较大横截面积的钢杆在相同材料的较细杆相比，能够承受更大的力量而不会断裂。在建筑学中，横截面积对于确保建筑物能够支撑自身的重量以及居住者和家具的重量至关重要。建筑师必须仔细计算柱子、梁和其他结构元素的横截面积，以确保安全和稳定。如果横截面积不足，可能会导致结构失效，给人身安全和财产带来风险。总之，横截面积是一个重要的概念，在多个学科中都有应用。无论是在工程、物理、材料科学还是建筑学中，理解横截面积的含义使专业人员能够做出影响各种系统设计和功能的明智决策。随着技术的进步，准确计算和应用与横截面积相关的原理的重要性只会继续增长，这突显了它在当代科学和工程实践中的相关性。