gauge pressure

简明释义

表压

英英释义

例句

1.A gauge pressure reading of zero means the pressure is equal to atmospheric pressure.

零的表压读数意味着压力等于大气压力。

2.Engineers measured the gauge pressure in the hydraulic system to ensure it was within safe limits.

工程师测量了液压系统中的表压，以确保其在安全范围内。

3.Before starting the experiment, we need to check the gauge pressure in the gas tank.

在开始实验之前，我们需要检查气罐中的表压。

4.The tire's gauge pressure is set to 32 PSI for optimal performance.

轮胎的表压设置为32 PSI，以达到最佳性能。

5.The gauge pressure of the water in the pipe helps determine the flow rate.

管道中水的表压有助于确定流量。

作文

Understanding the concept of gauge pressure is essential in various fields such as engineering, meteorology, and even everyday applications like tire inflation. Gauge pressure refers to the pressure measured relative to the ambient atmospheric pressure. This means that when we measure the pressure of a gas or liquid using a gauge, we are often interested in how much that pressure exceeds the surrounding atmospheric pressure. For instance, if a tire gauge reads 30 psi (pounds per square inch), it indicates that the pressure inside the tire is 30 psi above the atmospheric pressure. One of the key reasons why understanding gauge pressure is important is its practical applications. In engineering, the design of pressure vessels, pipelines, and various machinery requires precise calculations of pressure. Engineers must ensure that these structures can withstand not just the internal pressures but also any external forces acting upon them. If they were to consider absolute pressure instead, which includes atmospheric pressure, their calculations might lead to unsafe designs. Therefore, using gauge pressure allows for a more accurate assessment of the conditions that materials will face in real-world applications.In meteorology, gauge pressure plays a crucial role in weather forecasting. Meteorologists use barometers to measure atmospheric pressure changes, which are vital for predicting weather patterns. The measurements taken by these instruments are often reported as gauge pressure, helping forecasters determine whether a high-pressure system or a low-pressure system is developing. Understanding these systems can lead to better predictions about storms, temperature changes, and other significant weather events.Moreover, gauge pressure is also relevant in everyday life. When inflating tires, for example, it is important to check the gauge pressure to ensure that the tires are at the correct level for safe driving. Under-inflated tires can lead to decreased fuel efficiency and increased wear, while over-inflated tires can be dangerous and may lead to blowouts. Thus, knowing how to read and interpret gauge pressure correctly is a valuable skill for car owners.Another interesting aspect of gauge pressure is its relationship with absolute pressure. Absolute pressure is the total pressure exerted on a system, including the atmospheric pressure. The relationship can be expressed mathematically: Gauge Pressure = Absolute Pressure - Atmospheric Pressure. This equation highlights the importance of distinguishing between the two types of pressure, especially in scientific research and industrial applications. Misunderstanding these concepts can lead to errors in experiments or product designs, potentially resulting in failures or accidents.In conclusion, the term gauge pressure encompasses a fundamental concept in both theoretical and practical contexts. From engineering to meteorology and everyday tasks like checking tire pressure, the significance of gauge pressure cannot be overstated. By grasping this concept, individuals can make informed decisions in various aspects of life, ensuring safety and efficiency in both personal and professional domains.

理解表压的概念在工程、气象以及日常应用（如轮胎充气）等多个领域中至关重要。表压是指相对于环境大气压力测量的压力。这意味着，当我们使用仪表测量气体或液体的压力时，我们通常关注的是该压力超过周围大气压力的程度。例如，如果轮胎表读数为30 psi（每平方英寸磅），则表示轮胎内部的压力比大气压力高30 psi。理解表压的重要性之一在于其实际应用。在工程学中，压力容器、管道和各种机械的设计需要精确的压力计算。工程师必须确保这些结构不仅能够承受内部压力，还能承受任何外部力量的作用。如果他们考虑绝对压力，即包括大气压力的压力，那么他们的计算可能会导致不安全的设计。因此，使用表压使得对材料在现实应用中所面临条件的评估更加准确。在气象学中，表压在天气预报中也起着至关重要的作用。气象学家使用气压计来测量大气压力的变化，这对预测天气模式至关重要。这些仪器所做的测量通常以表压报告，帮助预报员确定是高压系统还是低压系统正在发展。理解这些系统可以更好地预测风暴、温度变化以及其他重大天气事件。此外，表压在日常生活中也相关。当充气轮胎时，检查表压以确保轮胎处于安全驾驶的正确水平非常重要。充气不足的轮胎可能导致燃油效率降低和磨损增加，而充气过多的轮胎可能危险并可能导致爆胎。因此，正确读取和解释表压是一项对车主来说非常有价值的技能。表压的另一个有趣方面是它与绝对压力的关系。绝对压力是施加在系统上的总压力，包括大气压力。这个关系可以用数学表达式表示：表压 = 绝对压力 - 大气压力。这个方程突显了区分这两种压力类型的重要性，特别是在科学研究和工业应用中。误解这些概念可能导致实验或产品设计中的错误，可能导致失败或事故。总之，术语表压包含了理论和实际背景中的基本概念。从工程到气象以及日常任务（如检查轮胎压力），表压的重要性不容小觑。通过掌握这一概念，个人可以在生活的各个方面做出明智的决策，确保在个人和专业领域的安全和效率。