reference pressure

简明释义

基准压力

英英释义

例句

1.To ensure accuracy, the gauge was set to zero against the reference pressure (参考压力).

为了确保准确性，仪表相对于参考压力(参考压力)设置为零。

2.The reference pressure (参考压力) for this experiment is set at sea level.

本实验的参考压力(参考压力)设定在海平面。

3.The sensor was calibrated to a standard reference pressure (参考压力) of 101.3 kPa.

传感器被校准到标准参考压力(参考压力)为101.3 kPa。

4.We need to adjust the system to account for the reference pressure (参考压力) changes in the environment.

我们需要调整系统以考虑环境中参考压力(参考压力)的变化。

5.In fluid dynamics, the reference pressure (参考压力) is crucial for calculating pressure differences.

在流体动力学中，参考压力(参考压力)对于计算压力差至关重要。

作文

In the field of physics and engineering, pressure is a critical parameter that plays a significant role in various applications. One important concept related to pressure is the term reference pressure, which refers to a standard or baseline pressure against which other pressures are measured. Understanding reference pressure is essential for accurate measurements and comparisons in scientific experiments and industrial processes.To illustrate the importance of reference pressure, consider the example of atmospheric pressure. Atmospheric pressure is the force exerted by the weight of air above us and is approximately 101.3 kPa at sea level. When scientists conduct experiments that involve gases, they often need to measure the pressure of these gases in relation to the surrounding atmospheric pressure. In such cases, the atmospheric pressure serves as a reference pressure. By using this standard, researchers can determine whether the gas pressure is higher or lower than the normal atmospheric conditions, allowing for more meaningful data interpretation.Moreover, reference pressure is crucial in the calibration of measuring instruments. For instance, pressure sensors and gauges must be calibrated to ensure that their readings are accurate. Typically, these devices are set to a known reference pressure before they are used in the field. This calibration process ensures that any deviations in pressure readings can be accurately accounted for, leading to reliable results in various applications, from weather forecasting to industrial manufacturing.In addition to its use in scientific research and instrument calibration, reference pressure also plays a vital role in various engineering calculations. For example, when designing hydraulic systems, engineers must consider the reference pressure to ensure that the system operates efficiently and safely. The reference pressure helps engineers determine the forces acting on different components, allowing them to design systems that can withstand the expected pressures without failure.Furthermore, in the context of fluid mechanics, reference pressure is often used in Bernoulli's equation, which relates pressure, velocity, and elevation in a flowing fluid. In this equation, the reference pressure is used to compare the pressures at different points in the fluid flow, enabling engineers to predict how changes in one variable may affect the others. This understanding is critical for designing efficient systems like pipelines, airfoils, and even automobiles.In conclusion, the concept of reference pressure is integral to many fields, including physics, engineering, and environmental science. It serves as a standard for measuring and comparing pressures, ensuring accurate data collection and analysis. Whether it is in laboratory experiments, instrument calibration, or engineering design, a solid grasp of reference pressure allows professionals to make informed decisions based on reliable information. As technology advances and our understanding of pressure phenomena deepens, the significance of reference pressure will continue to grow, highlighting its essential role in both theoretical and practical applications.

在物理和工程领域，压力是一个关键参数，在各种应用中发挥着重要作用。与压力相关的一个重要概念是“参考压力”一词，它指的是一个标准或基准压力，用于测量其他压力。理解参考压力对于科学实验和工业过程中的准确测量和比较至关重要。为了说明参考压力的重要性，我们考虑大气压力的例子。大气压力是空气重量对我们施加的力，海平面上的大约为101.3 kPa。当科学家进行涉及气体的实验时，他们通常需要测量这些气体的压力与周围大气压力的关系。在这种情况下，大气压力作为参考压力。通过使用这个标准，研究人员可以确定气体压力是高于还是低于正常的大气条件，从而允许更有意义的数据解释。此外，参考压力在测量仪器的校准中至关重要。例如，压力传感器和仪表必须经过校准，以确保其读数准确。通常，这些设备在使用之前会设置为已知的参考压力。这个校准过程确保任何压力读数的偏差都可以被准确地考虑，从而导致在天气预报到工业制造等各种应用中获得可靠的结果。除了在科学研究和仪器校准中的使用外，参考压力在各种工程计算中也发挥着至关重要的作用。例如，在设计液压系统时，工程师必须考虑参考压力以确保系统高效且安全地运行。参考压力帮助工程师确定作用于不同组件的力，使他们能够设计能够承受预期压力而不发生故障的系统。此外，在流体力学的背景下，参考压力通常用于伯努利方程，该方程将流动流体中的压力、速度和高度联系起来。在这个方程中，参考压力用于比较流体流动中不同点的压力，使工程师能够预测一个变量的变化如何影响其他变量。这种理解对于设计高效系统（如管道、翼型甚至汽车）至关重要。总之，参考压力的概念在物理、工程和环境科学等多个领域中都是不可或缺的。它作为测量和比较压力的标准，确保了数据收集和分析的准确性。无论是在实验室实验、仪器校准还是工程设计中，对参考压力的扎实掌握使专业人士能够根据可靠的信息做出明智的决策。随着技术的进步和我们对压力现象的理解加深，参考压力的重要性将继续增长，突显其在理论和实际应用中的基本作用。