sectional area

简明释义

截面积

英英释义

例句

1.To optimize the design, we need to analyze the sectional area of various components.

为了优化设计，我们需要分析各个组件的截面面积。

2.In fluid dynamics, the sectional area of a pipe affects the flow rate of the liquid.

在流体动力学中，管道的截面面积影响液体的流速。

3.The sectional area of the cable is important for determining its electrical resistance.

电缆的截面面积对于确定其电阻很重要。

4.The engineer calculated the sectional area of the beam to ensure it could support the load.

工程师计算了梁的截面面积以确保它能够承受负载。

5.The sectional area of the cross-section was measured to assess the structural integrity.

为了评估结构完整性，测量了横截面的截面面积。

作文

Understanding the concept of sectional area is crucial in various fields, especially in engineering and physics. The term sectional area refers to the cross-sectional area of an object, which is obtained by slicing through it at a particular angle or plane. This measurement is significant because it influences how materials behave under different conditions, such as stress, strain, and fluid flow. For instance, in the design of pipes, the sectional area determines the flow rate of liquids. A larger sectional area allows more fluid to pass through, while a smaller area restricts flow, which can lead to increased pressure. In structural engineering, understanding the sectional area of beams and columns is essential for ensuring that structures can support the loads they encounter. Engineers must calculate the sectional area to determine the strength and stability of these components. A beam with a larger sectional area can bear more weight without failing compared to one with a smaller area. Therefore, knowing how to calculate and apply the concept of sectional area is vital for designing safe and reliable structures.Moreover, in the field of aerodynamics, the sectional area of an aircraft wing plays a significant role in its lift and drag characteristics. The lift generated by a wing is directly related to its sectional area. A larger wing typically has a greater sectional area, allowing it to generate more lift at lower speeds. Conversely, a smaller sectional area may be advantageous for reducing drag, which is crucial for high-speed flight. Understanding the balance between lift and drag, influenced by the sectional area, is fundamental for aircraft design and performance.In fluid dynamics, the sectional area of a channel or pipe affects the velocity of the fluid flowing through it. According to the principle of continuity, when a fluid flows through a varying cross-section, the product of the sectional area and the fluid velocity remains constant. This relationship implies that if the sectional area decreases, the velocity of the fluid must increase, and vice versa. Such principles are essential for engineers and scientists who work on projects involving fluid transport, such as water supply systems or drainage systems.In conclusion, the concept of sectional area is fundamental in many scientific and engineering disciplines. It is not merely a mathematical term but a practical tool that helps professionals design and analyze various systems. Whether it’s in constructing buildings, designing aircraft, or analyzing fluid flow, understanding the implications of sectional area is essential. Thus, mastering this concept can enhance one's ability to solve complex problems and contribute to advancements in technology and infrastructure. As we continue to innovate and push the boundaries of what is possible, the importance of concepts like sectional area will only grow, underscoring the need for a solid grasp of such fundamental principles in science and engineering.

理解截面面积的概念在各个领域都是至关重要的，尤其是在工程和物理学中。术语截面面积指的是物体的横截面积，它是通过在特定角度或平面上切割物体而获得的。这一测量非常重要，因为它影响材料在不同条件下的行为，如应力、应变和流体流动。例如，在管道设计中，截面面积决定了液体的流速。较大的截面面积允许更多的流体通过，而较小的面积则限制流动，这可能导致压力增加。在结构工程中，理解梁和柱的截面面积对于确保结构能够承受所遇到的负荷至关重要。工程师必须计算截面面积以确定这些构件的强度和稳定性。具有较大截面面积的梁可以在不失效的情况下承受比具有较小面积的梁更多的重量。因此，了解如何计算和应用截面面积的概念对于设计安全可靠的结构至关重要。此外，在空气动力学领域，飞机机翼的截面面积在其升力和阻力特性中发挥着重要作用。机翼产生的升力与其截面面积直接相关。通常，较大的机翼具有更大的截面面积，使其能够在较低速度下产生更多的升力。相反，较小的截面面积可能有利于减少阻力，这对于高速飞行至关重要。了解升力和阻力之间的平衡，以及如何受到截面面积的影响，对于飞机设计和性能至关重要。在流体动力学中，通道或管道的截面面积影响流体在其中流动的速度。根据连续性原理，当流体通过变化的横截面流动时，流体的截面面积和流体速度的乘积保持不变。这一关系意味着，如果截面面积减小，则流体的速度必须增加，反之亦然。这些原理对于从事流体输送项目的工程师和科学家至关重要，例如水供应系统或排水系统。总之，截面面积的概念在许多科学和工程学科中都是基础性的。它不仅仅是一个数学术语，而是一个实用工具，帮助专业人士设计和分析各种系统。无论是在建造建筑、设计飞机还是分析流体流动，理解截面面积的影响都是必不可少的。因此，掌握这一概念可以增强人们解决复杂问题的能力，并为技术和基础设施的进步做出贡献。随着我们不断创新并推动可能性的边界，像截面面积这样的概念的重要性只会增加，这突显了在科学和工程中扎实掌握这些基本原理的必要性。