effective diameter

简明释义

有效直径

英英释义

例句

1.The effective diameter 有效直径 of the wire is crucial for determining its resistance.

电线的有效直径 effective diameter对于确定其电阻至关重要。

2.The effective diameter 有效直径 of a circular aperture influences the depth of field in photography.

圆形光圈的有效直径 effective diameter影响摄影中的景深。

3.For accurate measurements, the effective diameter 有效直径 of the cylinder must be known.

为了获得准确的测量，必须知道圆柱体的有效直径 effective diameter。

4.In optics, the effective diameter 有效直径 of the lens affects the amount of light that can be captured.

在光学中，透镜的有效直径 effective diameter影响可以捕获的光量。

5.The engineer calculated the effective diameter 有效直径 of the pipe to determine the flow rate.

工程师计算了管道的有效直径 effective diameter以确定流量。

作文

In the world of engineering and physics, understanding various terms is crucial for effective communication and application. One such term that often arises in discussions about materials and structures is effective diameter. The concept of effective diameter refers to a specific measurement that takes into account not only the physical dimensions of an object but also its functional properties and behavior under certain conditions. This term is particularly important in fields such as fluid dynamics, mechanical engineering, and structural analysis.To illustrate the significance of effective diameter, let’s consider a practical example involving pipes in a hydraulic system. When engineers design a piping system, they must ensure that the flow of liquid through the pipes is efficient and meets the desired specifications. The actual diameter of the pipe is not the only factor that influences flow rate; instead, the effective diameter plays a critical role. The effective diameter can be influenced by factors such as the roughness of the pipe's interior surface, the viscosity of the fluid, and the presence of bends or fittings in the system.In this context, the effective diameter provides a more accurate representation of how the fluid will behave as it moves through the system. Engineers often use formulas that incorporate the effective diameter to calculate flow rates and pressure drops, ensuring that the system operates efficiently and safely. By focusing on the effective diameter, engineers can make informed decisions about material selection, pipe sizing, and overall system design.Another area where the concept of effective diameter is relevant is in the field of optics. When dealing with lenses and optical systems, the effective diameter can refer to the diameter of the aperture that effectively contributes to the formation of an image. This is particularly important in photography and telescope design, where the quality and clarity of the image are paramount. A larger effective diameter allows more light to enter the system, which can enhance image brightness and detail.Moreover, in structural engineering, the effective diameter can be used to describe the cross-sectional area of a structural member, such as a column or beam, when assessing its load-bearing capacity. The effective diameter helps engineers determine how much weight a structure can support and ensures that safety standards are met. By analyzing the effective diameter, engineers can optimize designs to use materials efficiently while maintaining structural integrity.In conclusion, the term effective diameter encompasses a range of meanings across different disciplines, yet it consistently emphasizes the importance of considering not just the physical dimensions of an object, but also its functional characteristics. Whether in fluid dynamics, optics, or structural engineering, understanding the concept of effective diameter is essential for professionals in these fields. By applying this knowledge, engineers and scientists can improve designs, enhance performance, and ultimately contribute to the development of safer and more efficient systems. The study of effective diameter is a testament to the intricate relationship between measurement and functionality, illustrating how precision in understanding can lead to innovation and advancement in technology.

在工程和物理学的世界中，理解各种术语对于有效沟通和应用至关重要。一个经常在材料和结构讨论中出现的术语是有效直径。有效直径的概念指的是一种特定的测量，它不仅考虑物体的物理尺寸，还考虑其在特定条件下的功能特性和行为。这个术语在流体动力学、机械工程和结构分析等领域尤为重要。为了说明有效直径的重要性，让我们考虑一个涉及液压系统管道的实际例子。当工程师设计管道系统时，他们必须确保液体在管道中的流动高效并符合所需规格。管道的实际直径并不是影响流量的唯一因素；相反，有效直径起着关键作用。有效直径可能受到诸如管道内部表面的粗糙度、流体的粘度以及系统中弯头或配件的存在等因素的影响。在这种情况下，有效直径提供了更准确的表示，说明流体在系统中移动时的行为。工程师通常使用包含有效直径的公式来计算流量和压力损失，以确保系统高效且安全地运行。通过关注有效直径，工程师可以就材料选择、管道尺寸和整体系统设计做出明智的决定。另一个与有效直径相关的领域是光学。当处理透镜和光学系统时，有效直径可以指有效贡献于图像形成的光圈直径。这在摄影和望远镜设计中尤为重要，因为图像的质量和清晰度至关重要。较大的有效直径允许更多的光线进入系统，这可以增强图像的亮度和细节。此外，在结构工程中，有效直径可用于描述结构构件（如柱或梁）的横截面积，以评估其承载能力。有效直径帮助工程师确定结构能够承受的重量，并确保满足安全标准。通过分析有效直径，工程师可以优化设计，以高效使用材料，同时保持结构完整性。总之，术语有效直径在不同学科中涵盖了多种含义，但它始终强调考虑物体的物理尺寸和功能特性的重要性。无论是在流体动力学、光学还是结构工程中，理解有效直径的概念对这些领域的专业人士都是必不可少的。通过应用这一知识，工程师和科学家可以改善设计、提高性能，并最终为开发更安全、更高效的系统做出贡献。对有效直径的研究证明了测量与功能之间复杂关系的存在，说明了理解的精准如何促进技术的创新与进步。