absolute pressure

简明释义

绝对压力

英英释义

例句

1.Engine performance can be affected by changes in absolute pressure at different altitudes.

不同高度下的变化会影响发动机性能，因为它们影响了绝对压力。

2.In deep-sea diving, understanding absolute pressure is crucial for safety.

在深海潜水中，理解绝对压力对安全至关重要。

3.To calculate the absolute pressure, you need to add atmospheric pressure to gauge pressure.

要计算绝对压力，你需要将大气压力加到表压上。

4.The absolute pressure in the chamber was measured to ensure the experiment's accuracy.

为了确保实验的准确性，测量了腔室中的绝对压力。

5.The absolute pressure in the tire should be checked regularly to ensure safety.

轮胎中的绝对压力应该定期检查以确保安全。

作文

In the field of physics and engineering, understanding the concept of absolute pressure is crucial for various applications. Absolute pressure refers to the total pressure exerted on a system, measured relative to the absolute vacuum. This measurement does not consider atmospheric pressure, making it a fundamental aspect in many scientific calculations. For instance, when measuring the pressure of gases in a closed container, engineers often rely on absolute pressure to ensure accurate readings. One of the most common applications of absolute pressure is in the field of meteorology. Weather forecasts depend heavily on atmospheric pressure readings, which are typically reported as absolute pressure. Meteorologists convert barometric pressure readings to absolute pressure to understand weather patterns better and predict changes in the atmosphere. This conversion is essential because it allows scientists to compare pressure readings taken at different altitudes and locations, providing a clearer picture of weather systems.Another important application of absolute pressure is in the design of aircraft. Engineers must account for absolute pressure when designing systems that operate at high altitudes, where the atmospheric pressure is significantly lower than at sea level. For example, the performance of an aircraft engine is affected by the absolute pressure of the air entering it. If engineers only considered gauge pressure, which excludes atmospheric pressure, they would miscalculate engine performance and potentially compromise safety.In the realm of fluid dynamics, absolute pressure plays a vital role in analyzing the behavior of fluids in different environments. When studying how fluids flow through pipes or around objects, knowing the absolute pressure helps predict how the fluid will behave under various conditions. This understanding is critical for designing efficient systems in industries such as oil and gas, where pressure differentials can significantly impact production and safety.Moreover, absolute pressure is also essential in the field of vacuum technology. In vacuum systems, achieving a specific absolute pressure is necessary for various processes, including material deposition and surface analysis. Scientists and engineers must monitor and control absolute pressure levels to ensure the effectiveness of these processes. Any deviation from the desired absolute pressure can lead to suboptimal results or even failure of the system.In conclusion, the concept of absolute pressure is integral to multiple scientific and engineering disciplines. Whether in meteorology, aviation, fluid dynamics, or vacuum technology, understanding absolute pressure allows professionals to make informed decisions and predictions. It ensures the accuracy of measurements and the reliability of systems, ultimately contributing to advancements in technology and science. As we continue to explore the universe and develop new technologies, the importance of absolute pressure will remain a fundamental aspect of our understanding of the physical world.

在物理和工程领域，理解绝对压力的概念对于各种应用至关重要。绝对压力是指施加在一个系统上的总压力，相对于绝对真空进行测量。这一测量不考虑大气压力，因此在许多科学计算中是一个基本方面。例如，在测量封闭容器中气体的压力时，工程师通常依赖于绝对压力来确保读数的准确性。绝对压力最常见的应用之一是在气象学领域。天气预报在很大程度上依赖于大气压力读数，这些读数通常以绝对压力报告。气象学家将气压读数转换为绝对压力，以更好地理解天气模式并预测大气变化。这种转换至关重要，因为它使科学家能够比较在不同高度和位置进行的压力读数，从而提供更清晰的天气系统图。绝对压力的另一个重要应用是在飞机设计中。工程师必须在设计高空操作的系统时考虑绝对压力，因为在高空，大气压力显著低于海平面。例如，飞机发动机的性能受到进入空气的绝对压力的影响。如果工程师只考虑表压（不包括大气压力），他们将错误计算发动机性能，可能会危及安全。在流体动力学领域，绝对压力在分析流体在不同环境中行为时发挥着至关重要的作用。当研究流体如何通过管道或绕过物体流动时，了解绝对压力有助于预测流体在各种条件下的行为。这种理解对于设计石油和天然气等行业的高效系统至关重要，因为压力差异可能会显著影响生产和安全。此外，绝对压力在真空技术领域也至关重要。在真空系统中，实现特定的绝对压力对于各种过程（包括材料沉积和表面分析）是必要的。科学家和工程师必须监控和控制绝对压力水平，以确保这些过程的有效性。任何偏离所需的绝对压力都可能导致次优结果甚至系统故障。总之，绝对压力的概念对于多个科学和工程学科至关重要。无论是在气象学、航空、流体动力学还是真空技术中，理解绝对压力使专业人士能够做出明智的决策和预测。它确保测量的准确性和系统的可靠性，最终促进技术和科学的进步。随着我们继续探索宇宙和开发新技术，绝对压力的重要性将始终是我们理解物理世界的基本方面。