gage pressure

简明释义

表压

英英释义

例句

1.Before starting the engine, check the gage pressure of the oil to prevent damage.

在启动引擎之前，检查油的压力表读数以防止损坏。

2.The gage pressure in the boiler must be monitored regularly to avoid explosions.

锅炉中的表压必须定期监测以避免爆炸。

3.He noticed that the gage pressure in the gas tank was lower than recommended.

他注意到气罐中的气压低于推荐值。

4.Adjust the gage pressure of the water pump to ensure optimal performance.

调整水泵的压力表读数以确保最佳性能。

5.The tire's gage pressure is critical for ensuring safety on the road.

轮胎的气压对确保行车安全至关重要。

作文

Understanding the concept of gage pressure is essential in various fields, especially in engineering and physics. Gage pressure refers to the pressure measured relative to the ambient atmospheric pressure. In simpler terms, it is the pressure indicated by a pressure gauge that does not account for atmospheric pressure. This distinction is crucial because many applications require precise measurements of pressure in order to ensure safety and efficiency.For instance, consider a car tire. When you check the tire pressure using a gauge, the reading you see is typically the gage pressure. If the gauge reads 30 psi (pounds per square inch), this means the pressure inside the tire is 30 psi above the atmospheric pressure. Therefore, if the atmospheric pressure is around 14.7 psi, the absolute pressure inside the tire would actually be 44.7 psi. Understanding this difference between gage pressure and absolute pressure is vital for anyone working with pressurized systems.In industrial applications, gage pressure plays a significant role in processes such as fluid dynamics, chemical manufacturing, and even HVAC (heating, ventilation, and air conditioning) systems. Engineers must monitor gage pressure to ensure that systems operate within safe limits. For example, in a boiler system, maintaining the correct gage pressure is critical to prevent potential explosions or system failures. If the pressure exceeds the designed limits, safety valves are triggered to release excess pressure, thus ensuring operational safety.Moreover, gage pressure is also important in the field of meteorology. Weather balloons, for instance, measure atmospheric pressure at various altitudes. The data collected helps meteorologists understand weather patterns and predict changes in the atmosphere. When these instruments report gage pressure, they provide valuable information about how pressure changes with elevation, which is crucial for accurate weather forecasting.In addition to its practical applications, understanding gage pressure also enhances our knowledge of the physical world. Pressure is a fundamental concept that affects how gases and liquids behave. For example, Boyle's Law states that at a constant temperature, the volume of a gas is inversely proportional to its pressure. This relationship is directly related to gage pressure measurements, as changes in gage pressure will result in corresponding changes in volume.Furthermore, it is important to note that gage pressure can be affected by temperature changes. As the temperature of a gas increases, its pressure will also increase if the volume remains constant. This principle is particularly relevant in systems where heating occurs, such as in internal combustion engines. Engineers must take these factors into account when designing systems to ensure they can handle variations in gage pressure due to temperature fluctuations.In conclusion, the term gage pressure encompasses a vital aspect of pressure measurement that is pivotal in various scientific and engineering contexts. Whether it is monitoring tire pressure, ensuring safety in industrial systems, or aiding in weather prediction, a solid understanding of gage pressure allows professionals to make informed decisions. As technology continues to advance, the importance of accurately measuring and interpreting gage pressure will only increase, making it an essential topic for study in both academic and practical applications.

理解表压的概念在各个领域中都是至关重要的，尤其是在工程和物理学中。表压是指相对于环境大气压力测量的压力。简单来说，它是压力表指示的压力，不考虑大气压力。这一区别至关重要，因为许多应用需要精确的压力测量，以确保安全和效率。例如，考虑一下汽车轮胎。当你使用压力表检查轮胎压力时，你看到的读数通常是表压。如果压力表显示为30 psi（每平方英寸磅），这意味着轮胎内部的压力比大气压力高30 psi。因此，如果大气压力约为14.7 psi，则轮胎内部的绝对压力实际上为44.7 psi。理解表压和绝对压力之间的差异对于任何与加压系统工作的人来说都是至关重要的。在工业应用中，表压在流体动力学、化学制造甚至暖通空调（HVAC）系统等过程中扮演着重要角色。工程师必须监控表压以确保系统在安全范围内运行。例如，在锅炉系统中，保持正确的表压对于防止潜在的爆炸或系统故障至关重要。如果压力超过设计限制，安全阀将被触发以释放多余的压力，从而确保操作安全。此外，表压在气象学领域也很重要。例如，气象气球在不同高度测量大气压力。收集的数据帮助气象学家理解天气模式并预测大气变化。当这些仪器报告表压时，它们提供了关于压力如何随海拔变化的宝贵信息，这对准确的天气预报至关重要。除了其实际应用之外，理解表压还增强了我们对物理世界的认识。压力是影响气体和液体行为的基本概念。例如，波义耳定律指出，在恒定温度下，气体的体积与其压力成反比。这一关系与表压测量直接相关，因为表压的变化将导致体积的相应变化。此外，需要注意的是，表压可能会受到温度变化的影响。当气体的温度升高时，如果体积保持不变，其压力也会增加。这一原理在发生加热的系统中尤其相关，例如内燃机。工程师在设计系统时必须考虑这些因素，以确保它们能够处理由于温度波动引起的表压变化。总之，术语表压涵盖了压力测量的一个重要方面，这在各种科学和工程背景下至关重要。无论是监测轮胎压力、确保工业系统的安全，还是帮助天气预测，扎实理解表压使专业人员能够做出明智的决策。随着技术的不断进步，准确测量和解释表压的重要性只会增加，使其成为学术和实际应用中必不可少的研究主题。