nominal bore

简明释义

公称直径

英英释义

例句

1.For this installation, we need a valve that fits the nominal bore of the existing pipes.

对于这个安装，我们需要一个适合现有管道名义口径的阀门。

2.The nominal bore is often used to standardize pipe sizes across different manufacturers.

为了在不同制造商之间标准化管道尺寸，通常使用名义口径。

3.The water pipe has a nominal bore of 50mm, which indicates its internal diameter.

这条水管的名义口径为50毫米，表示其内径。

4.The nominal bore of the hose should be compatible with the pump's outlet size.

软管的名义口径应与泵的出口尺寸兼容。

5.When selecting fittings, make sure they match the nominal bore of the pipe.

在选择配件时，确保它们与管道的名义口径匹配。

作文

In the world of engineering and plumbing, precision is paramount. One term that frequently arises in discussions about pipe dimensions is nominal bore. The nominal bore refers to the approximate internal diameter of a pipe, which is crucial for determining the flow capacity and compatibility with other fittings. Understanding this term is essential for professionals in various fields, including construction, manufacturing, and fluid dynamics.The concept of nominal bore originates from the need to standardize pipe sizes across different manufacturers. Instead of specifying the exact internal diameter, which can vary slightly due to manufacturing tolerances, the nominal bore provides a general size classification. For instance, a pipe labeled as having a nominal bore of 50 mm may have an actual internal diameter that ranges from 48 mm to 52 mm, depending on the material and production methods used.This standardization simplifies the process of selecting pipes for various applications. When engineers or plumbers refer to a nominal bore, they are essentially communicating a size that is widely recognized within the industry. This allows for easier collaboration between different teams and ensures that components will fit together as intended.Moreover, understanding the implications of nominal bore is vital when it comes to calculating fluid flow rates. The flow rate through a pipe is directly influenced by its internal diameter. A larger nominal bore typically allows for a higher flow rate, while a smaller one restricts flow. Therefore, when designing systems for water supply, irrigation, or industrial processes, engineers must carefully consider the nominal bore to ensure optimal performance.In addition to its practical applications, the term nominal bore also reflects broader principles of standardization and efficiency in engineering. By using standardized measurements, industries can reduce costs, improve safety, and enhance the reliability of their systems. This is particularly important in sectors where precision is critical, such as pharmaceuticals, aerospace, and automotive manufacturing.Furthermore, the relevance of nominal bore extends beyond traditional piping systems. In modern engineering, where innovative materials and technologies are continually emerging, understanding how nominal bore interacts with these advancements is crucial. For example, the rise of flexible piping systems and composite materials has introduced new challenges and opportunities regarding the nominal bore and its impact on system performance.In conclusion, the term nominal bore serves as a fundamental concept in the fields of plumbing and engineering. It encapsulates the idea of standardization while providing essential information about pipe dimensions that influence flow capacity and system design. As industries continue to evolve, a solid grasp of nominal bore will remain indispensable for professionals aiming to create efficient and effective systems. By recognizing the importance of this term, individuals can better navigate the complexities of engineering and contribute to advancements in their respective fields.

在工程和管道的世界中，精确性至关重要。一个在讨论管道尺寸时经常出现的术语是名义孔径。名义孔径指的是管道的近似内径，这对于确定流量能力和与其他配件的兼容性至关重要。理解这个术语对于建筑、制造和流体动力等各个领域的专业人士来说都是必不可少的。名义孔径的概念源于需要在不同制造商之间标准化管道尺寸。与其指定确切的内径（由于制造公差可能略有不同），不如提供一个一般的尺寸分类。因此，标记为名义孔径为50毫米的管道，其实际内径可能在48毫米到52毫米之间，具体取决于所用材料和生产方法。这种标准化简化了选择各种应用管道的过程。当工程师或水管工提到名义孔径时，他们实际上是在传达一个在行业内广泛认可的尺寸。这使得不同团队之间的合作更加容易，并确保组件能够按预期组装在一起。此外，理解名义孔径的影响对于计算流体流速至关重要。管道的流速直接受到其内径的影响。较大的名义孔径通常允许更高的流速，而较小的则限制流动。因此，在设计供水、灌溉或工业过程的系统时，工程师必须仔细考虑名义孔径以确保最佳性能。除了实用应用外，名义孔径一词还反映了工程中标准化和效率的更广泛原则。通过使用标准化的测量，行业可以降低成本，提高安全性，并增强系统的可靠性。这在精度至关重要的领域尤为重要，如制药、航空航天和汽车制造。此外，名义孔径的相关性超越了传统管道系统。在现代工程中，随着创新材料和技术的不断涌现，了解名义孔径如何与这些进步相互作用至关重要。例如，灵活管道系统和复合材料的兴起引入了关于名义孔径及其对系统性能影响的新挑战和机遇。总之，名义孔径这一术语在管道和工程领域中是一个基本概念。它概括了标准化的思想，同时提供了关于管道尺寸的重要信息，这些信息影响流量能力和系统设计。随着行业的不断发展，牢固掌握名义孔径将对旨在创建高效和有效系统的专业人士仍然不可或缺。通过认识到这个术语的重要性，个人可以更好地驾驭工程的复杂性，并为各自领域的进步做出贡献。