sectional area

简明释义

截面积

英英释义

例句

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

在流体动力学中，管道的截面面积影响流体的流速。

2.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支撑负荷。

3.For accurate measurements, the sectional area must be calculated using precise tools.

为了获得准确的测量，必须使用精确的工具计算截面面积。

4.The sectional area of the cross-section helps in determining the strength of materials.

截面的截面面积有助于确定材料的强度。

5.To optimize the design, we need to analyze the sectional area of the turbine blades.

为了优化设计，我们需要分析涡轮叶片的截面面积。

作文

In engineering and physics, the concept of sectional area is crucial for understanding how different materials behave under various forces. The term sectional area refers to the area of a specific cross-section of an object, which can greatly influence its strength and stability. For example, when designing a bridge, engineers must calculate the sectional area of the beams that will support the structure. A larger sectional area typically indicates that the beam can support more weight, making it essential for ensuring the safety of the bridge. The significance of the sectional area extends beyond just structural engineering; it also plays a vital role in fluid dynamics. When analyzing how fluids flow through pipes, the sectional area of the pipe determines the velocity and pressure of the fluid. According to the principle of conservation of mass, when the sectional area decreases, the fluid's velocity must increase to maintain a constant flow rate. This relationship is critical in designing efficient piping systems in various industries, from water supply to oil transportation. Moreover, the sectional area is not only relevant in solid objects but also in biological systems. For instance, the sectional area of blood vessels can affect blood flow and pressure within the cardiovascular system. A narrower sectional area in a blood vessel can lead to increased resistance and higher blood pressure, which are significant factors in cardiovascular health. Understanding the implications of sectional area in biological contexts can help medical professionals devise better treatment plans for patients with cardiovascular issues. In academic research, the sectional area is often used in mathematical models to predict the behavior of materials under stress or strain. Researchers frequently conduct experiments to measure the sectional area of various samples and analyze how they respond to different conditions, such as temperature changes or external loads. These studies contribute to the development of new materials with improved properties, such as higher tensile strength or greater flexibility. In conclusion, the concept of sectional area is fundamental across multiple disciplines, including engineering, physics, and biology. Its implications are vast, affecting everything from the design of infrastructure to the understanding of natural systems. As we continue to explore and innovate in these fields, a solid grasp of sectional area will remain essential for future advancements. Whether one is calculating the necessary dimensions for a structural component or studying the flow of fluids, recognizing the importance of sectional area will undoubtedly enhance our ability to solve complex problems and create effective solutions.

在工程和物理学中，截面面积的概念对于理解不同材料在各种力作用下的表现至关重要。术语截面面积指的是物体特定横截面的面积，这可以极大地影响其强度和稳定性。例如，在设计桥梁时，工程师必须计算支撑结构的梁的截面面积。较大的截面面积通常表明该梁可以承受更多的重量，因此确保桥梁安全至关重要。截面面积的重要性不仅限于结构工程；它在流体动力学中也发挥着重要作用。在分析流体如何通过管道流动时，管道的截面面积决定了流体的速度和压力。根据质量守恒原理，当截面面积减小时，为了保持恒定的流量，流体的速度必须增加。这种关系在设计各行业的高效管道系统时至关重要，从供水到石油运输。此外，截面面积不仅与固体物体相关，还与生物系统有关。例如，血管的截面面积会影响心血管系统中的血流和压力。血管中较窄的截面面积可能导致阻力增加和血压升高，这些都是心血管健康的重要因素。理解截面面积在生物学背景下的影响可以帮助医疗专业人员为患有心血管问题的患者制定更好的治疗计划。在学术研究中，截面面积常常用于数学模型中，以预测材料在应力或应变下的行为。研究人员经常进行实验以测量各种样本的截面面积，并分析它们在不同条件下（如温度变化或外部载荷）如何响应。这些研究有助于开发具有改进性能的新材料，例如更高的抗拉强度或更大的柔韧性。总之，截面面积的概念在多个学科中是基础，包括工程、物理和生物学。它的影响广泛，涉及从基础设施设计到自然系统理解的方方面面。随着我们继续在这些领域探索和创新，对截面面积的扎实掌握将始终是未来进步的关键。无论是在计算结构组件所需的尺寸还是研究流体流动，认识到截面面积的重要性无疑会增强我们解决复杂问题和创造有效解决方案的能力。