pressure manometer

简明释义

压力表

英英释义

例句

1.In HVAC systems, a pressure manometer is essential for checking duct pressure.

在暖通空调系统中，压力测量仪对于检查风管压力至关重要。

2.The lab technician replaced the old pressure manometer with a digital one for better accuracy.

实验室技术人员用一个数字式压力测量仪替换了旧的，以获得更好的准确性。

3.The technician used a pressure manometer to measure the gas pressure in the pipeline.

技术人员使用压力测量仪来测量管道中的气体压力。

4.Before starting the experiment, we calibrated the pressure manometer to ensure accurate readings.

在开始实验之前，我们对压力测量仪进行了校准，以确保读数准确。

5.The pressure manometer displayed a reading of 2.5 bar, indicating a safe operating pressure.

该压力测量仪显示读数为2.5巴，表明安全操作压力。

作文

In various scientific and engineering fields, measuring pressure is crucial for ensuring the safety and efficiency of systems. One of the most common instruments used for this purpose is the pressure manometer, which is designed to measure the pressure of gases or liquids. A pressure manometer (压力计) can be found in a multitude of applications, ranging from industrial processes to laboratory experiments. Understanding how a pressure manometer works and its importance can enhance our knowledge of fluid mechanics and pressure measurement techniques.A pressure manometer typically consists of a U-shaped tube filled with a liquid, often mercury or water. When pressure is applied to one side of the tube, the liquid level changes, allowing us to read the pressure difference between the two sides. The height difference of the liquid column is directly proportional to the pressure exerted, making it a reliable tool for measurement. This fundamental principle is based on Pascal's law, which states that pressure applied to a confined fluid is transmitted undiminished throughout the fluid.There are different types of pressure manometers available, including absolute, gauge, and differential manometers. Absolute manometers measure pressure relative to a perfect vacuum, while gauge manometers measure pressure relative to atmospheric pressure. Differential manometers, on the other hand, compare the pressure between two points in a system. Each type has its specific applications, and selecting the right one is essential for accurate measurements.The significance of using a pressure manometer cannot be overstated. In industrial settings, maintaining the correct pressure is vital for the operation of machinery and the safety of workers. For instance, in a chemical plant, if the pressure exceeds safe limits, it could lead to catastrophic failures, explosions, or leaks. Therefore, operators rely on pressure manometers to monitor pressure levels continuously and make necessary adjustments to prevent accidents.In laboratories, scientists use pressure manometers to conduct experiments involving gas laws and fluid dynamics. By accurately measuring pressure, they can derive important relationships between temperature, volume, and pressure, leading to significant scientific discoveries. Additionally, in the field of meteorology, pressure manometers are utilized to measure atmospheric pressure, which is crucial for weather forecasting and understanding climate patterns.Furthermore, advancements in technology have led to the development of digital pressure manometers that provide more precise readings and greater ease of use. These modern devices often come equipped with features such as data logging, wireless connectivity, and real-time monitoring, enhancing their functionality and making them indispensable tools in both industrial and research environments.In conclusion, the pressure manometer (压力计) is an essential instrument in various fields that require accurate pressure measurement. Its ability to provide reliable data helps ensure safety in industrial operations and facilitates scientific research. As technology continues to evolve, the role of pressure manometers will likely expand, further underscoring their importance in our understanding of the physical world. By mastering the use of pressure manometers, we can better navigate the complexities of pressure measurement and its implications in our daily lives.

在各种科学和工程领域，测量压力对于确保系统的安全性和效率至关重要。用于此目的的最常见仪器之一是压力计，它旨在测量气体或液体的压力。压力计（pressure manometer）可以在从工业过程到实验室实验的众多应用中找到。理解压力计的工作原理及其重要性可以增强我们对流体力学和压力测量技术的知识。压力计通常由一个U形管组成，管内充满液体，通常是汞或水。当压力施加到管的一侧时，液体的高度变化，使我们能够读取两侧之间的压力差。液柱的高度差与施加的压力成正比，因此它是一个可靠的测量工具。这个基本原理基于帕斯卡定律，该定律指出施加在密闭流体上的压力会无损失地传递到流体的每个部分。市面上有不同类型的压力计，包括绝对压力计、表压计和差压计。绝对压力计相对于完美真空测量压力，而表压计相对于大气压力测量压力。差压计则比较系统中两个点之间的压力。每种类型都有其特定的应用，选择合适的类型对于准确测量至关重要。使用压力计的重要性不容小觑。在工业环境中，保持正确的压力对于机器的运行和工人的安全至关重要。例如，在化工厂中，如果压力超过安全限制，可能导致灾难性的故障、爆炸或泄漏。因此，操作人员依赖压力计持续监测压力水平，并进行必要的调整以防止事故发生。在实验室中，科学家使用压力计进行涉及气体法则和流体动力学的实验。通过准确测量压力，他们可以推导出温度、体积和压力之间的重要关系，从而导致重大的科学发现。此外，在气象学领域，压力计被用于测量大气压力，这对于天气预报和理解气候模式至关重要。此外，技术的进步导致了数字压力计的发展，这些设备提供更精确的读数和更便捷的使用体验。这些现代设备通常配备数据记录、无线连接和实时监控等功能，增强了它们的功能，使其成为工业和研究环境中不可或缺的工具。总之，压力计（pressure manometer）是各种需要准确压力测量的领域中的重要仪器。它提供可靠数据的能力有助于确保工业操作的安全性，并促进科学研究。随着技术的不断发展，压力计的作用可能会进一步扩大，进一步强调其在我们理解物理世界中的重要性。通过掌握压力计的使用，我们可以更好地应对压力测量的复杂性及其在日常生活中的影响。