gauge pressure

简明释义

仪表压力

英英释义

例句

1.The gauge pressure reading on the boiler should not exceed the recommended limit.

锅炉上的表压读数不应超过推荐限制。

2.Engine performance can be affected if the gauge pressure is too low.

如果表压过低，发动机性能可能会受到影响。

3.To maintain optimal performance, the gauge pressure in the hydraulic system must be monitored regularly.

为了保持最佳性能，液压系统中的表压必须定期监测。

4.The tire's gauge pressure is measured to ensure it is safe for driving.

轮胎的表压被测量以确保驾驶安全。

5.Before starting the experiment, we need to check the gauge pressure of the gas cylinder.

在开始实验之前，我们需要检查气瓶的表压。

作文

In the field of physics and engineering, understanding pressure is crucial for various applications. One important concept that often arises in these fields is gauge pressure, which refers to the pressure of a system relative to the ambient atmospheric pressure. Unlike absolute pressure, which measures total pressure including atmospheric pressure, gauge pressure provides a more practical measurement for many engineering tasks. This distinction is particularly vital in industries such as hydraulics, pneumatics, and meteorology.To further elaborate, gauge pressure is calculated by subtracting the atmospheric pressure from the absolute pressure. For instance, if a tire has an absolute pressure of 35 psi (pounds per square inch) and the atmospheric pressure is 14.7 psi, the gauge pressure would be 20.3 psi. This means that the tire is inflated to a level that is 20.3 psi above the surrounding atmospheric pressure. Such measurements are essential for ensuring that tires operate safely and efficiently, as under-inflated or over-inflated tires can lead to accidents or increased wear.Moreover, gauge pressure plays a significant role in various scientific experiments and industrial processes. For example, in a laboratory setting, researchers may need to maintain specific gauge pressure levels to ensure that reactions occur under controlled conditions. In chemical engineering, reactors often operate at certain gauge pressure levels to optimize reaction rates and product yields. Engineers must carefully monitor these pressures to avoid catastrophic failures or inefficient operations.In the context of weather forecasting, gauge pressure is also a critical factor. Meteorologists use barometers to measure atmospheric pressure, and the changes in gauge pressure can indicate weather patterns. A decrease in gauge pressure often suggests the approach of a storm, while an increase can indicate fair weather. Understanding these changes helps forecasters predict weather conditions accurately, which is vital for public safety and planning.Additionally, the concept of gauge pressure is not limited to just physical sciences; it has implications in everyday life as well. For instance, when you check the pressure in your car's tires, you are looking at the gauge pressure. Proper maintenance of tire pressure is essential for fuel efficiency and vehicle safety. Similarly, in plumbing systems, gauge pressure is monitored to ensure that water flows correctly through pipes without causing leaks or bursts.In conclusion, gauge pressure is a fundamental concept that permeates various aspects of science, engineering, and daily life. By measuring pressure relative to atmospheric conditions, we can gain valuable insights into the behavior of different systems and ensure their optimal functioning. Whether it is in the design of machinery, the prediction of weather, or the maintenance of vehicles, understanding gauge pressure is essential for success in numerous fields. As technology continues to advance, the importance of accurate pressure measurements will only grow, making it imperative for professionals and laypeople alike to grasp the significance of gauge pressure and its applications.

在物理和工程领域，理解压力对于各种应用至关重要。一个在这些领域中经常出现的重要概念是表压，它指的是系统相对于环境大气压力的压力。与包括大气压力的绝对压力不同，表压为许多工程任务提供了更实用的测量。这一区别在液压、气动和气象等行业尤其重要。进一步阐述，表压是通过从绝对压力中减去大气压力来计算的。例如，如果一个轮胎的绝对压力为35 psi（每平方英寸磅），而大气压力为14.7 psi，则表压将为20.3 psi。这意味着轮胎的充气水平比周围大气压力高20.3 psi。这种测量对于确保轮胎安全和高效地运行至关重要，因为充气不足或过度充气的轮胎可能导致事故或增加磨损。此外，表压在各种科学实验和工业过程中也发挥着重要作用。例如，在实验室环境中，研究人员可能需要维持特定的表压水平，以确保反应在可控条件下进行。在化学工程中，反应器通常在特定的表压水平下运行，以优化反应速率和产品产量。工程师必须仔细监控这些压力，以避免灾难性故障或低效操作。在天气预报的背景下，表压也是一个关键因素。气象学家使用气压计来测量大气压力，而表压的变化可以指示天气模式。表压的降低通常表明风暴的来临，而增加则可能表明晴朗天气。理解这些变化有助于预报员准确预测天气条件，这对公众安全和计划至关重要。此外，表压的概念不仅限于物理科学，它在日常生活中也有影响。例如，当你检查汽车轮胎的压力时，你实际上是在查看表压。适当维护轮胎压力对于燃油效率和车辆安全至关重要。同样，在管道系统中，表压被监测以确保水流正确通过管道而不会造成泄漏或爆裂。总之，表压是一个基本概念，渗透到科学、工程和日常生活的各个方面。通过相对于大气条件测量压力，我们可以获得有关不同系统行为的宝贵见解，并确保它们的最佳运行。无论是在机械设计、天气预测还是车辆维护中，理解表压对于众多领域的成功都是必不可少的。随着技术的不断进步，准确压力测量的重要性只会增加，因此专业人士和普通人都必须掌握表压及其应用的重要性。