absolute pressure

简明释义

绝对压力

英英释义

例句

1.In a vacuum chamber, the absolute pressure 绝对压力 is significantly lower than atmospheric pressure.

在真空室中，绝对压力 absolute pressure显著低于大气压力。

2.When measuring blood pressure, it is important to consider both absolute pressure 绝对压力 and relative pressure.

在测量血压时，考虑绝对压力 absolute pressure和相对压力是很重要的。

3.The scientist recorded the absolute pressure 绝对压力 during the experiment to analyze gas behavior.

科学家在实验中记录了绝对压力 absolute pressure以分析气体行为。

4.The tire pressure gauge measures the absolute pressure 绝对压力 inside the tire to ensure safety.

轮胎压力计测量轮胎内部的绝对压力 absolute pressure以确保安全。

5.Engine performance can be affected by changes in absolute pressure 绝对压力 at different altitudes.

不同高度的变化会影响发动机性能，因为绝对压力 absolute pressure发生变化。

作文

Understanding the concept of absolute pressure is crucial in various scientific and engineering fields. Absolute pressure refers to the total pressure exerted on a system, measured relative to a perfect vacuum. This measurement contrasts with gauge pressure, which measures pressure relative to atmospheric pressure. The distinction between these two types of pressure is essential for accurate calculations in many applications, such as fluid dynamics, thermodynamics, and meteorology.In practical terms, absolute pressure is often used in scenarios where precise measurements are critical. For example, in the field of aviation, altimeters measure altitude based on absolute pressure. As an aircraft ascends, the absolute pressure decreases, allowing pilots to determine their altitude above sea level accurately. This is vital for safe navigation and operation in the skies, highlighting the importance of understanding this concept.Another significant application of absolute pressure is in the oil and gas industry. Engineers must monitor pressures within pipelines and reservoirs to ensure safe and efficient operations. By measuring absolute pressure, they can assess whether systems are operating within safe limits and make informed decisions about extraction and transport processes. Any miscalculations related to pressure can lead to catastrophic failures, underscoring the need for precise measurements.In meteorology, absolute pressure plays a role in weather forecasting. Barometers, instruments used to measure atmospheric pressure, provide readings in absolute pressure to help meteorologists predict weather patterns. Changes in absolute pressure can indicate incoming storms or shifts in weather, making it an invaluable tool for forecasters.The formula for calculating absolute pressure is relatively straightforward. It can be expressed as the sum of atmospheric pressure and gauge pressure. In mathematical terms, this can be represented as:Absolute Pressure = Gauge Pressure + Atmospheric PressureThis equation illustrates how absolute pressure encompasses all forces acting on a given area, providing a complete picture of the pressure conditions present in a system.Furthermore, the concept of absolute pressure extends beyond traditional applications. In the field of physics, understanding absolute pressure is essential for studying gases and their behaviors under different conditions. The ideal gas law, which describes the relationship between pressure, volume, and temperature, relies on absolute pressure for accurate predictions and calculations.In conclusion, the significance of absolute pressure cannot be overstated. Its applications span across multiple disciplines, from aviation to meteorology, and its importance in ensuring safety and efficiency in various industries is paramount. By grasping the concept of absolute pressure, professionals can make informed decisions that enhance operational effectiveness and safety. As technology continues to advance, the understanding of absolute pressure will remain a fundamental aspect of scientific inquiry and practical application, driving innovation and progress in numerous fields.

理解绝对压力的概念在各种科学和工程领域中至关重要。绝对压力指的是施加在系统上的总压力，相对于完美真空进行测量。这种测量与表压相对，后者是相对于大气压力进行测量的。这两种压力类型之间的区别对于许多应用中的准确计算至关重要，例如流体动力学、热力学和气象学。在实际应用中，绝对压力通常用于需要精确测量的场景。例如，在航空领域，高度计根据绝对压力测量高度。当飞机上升时，绝对压力降低，使飞行员能够准确确定其海拔高度。这对于安全导航和空中操作至关重要，突显了理解这一概念的重要性。绝对压力的另一个重要应用是在石油和天然气行业。工程师必须监测管道和储层内的压力，以确保安全和高效的操作。通过测量绝对压力，他们可以评估系统是否在安全范围内运行，并就开采和运输过程做出明智决策。与压力相关的任何误算都可能导致灾难性的故障，强调了精确测量的必要性。在气象学中，绝对压力在天气预报中发挥着作用。气压计是用来测量大气压力的仪器，提供以绝对压力为单位的读数，以帮助气象学家预测天气模式。绝对压力的变化可以指示即将到来的风暴或天气变化，使其成为预报员不可或缺的工具。计算绝对压力的公式相对简单。它可以表示为大气压力和表压的总和。在数学上，这可以表示为：绝对压力 = 表压 + 大气压力这个方程说明了绝对压力包含作用于给定区域的所有力，从而提供了系统中压力条件的完整图景。此外，绝对压力的概念超越了传统应用。在物理学领域，理解绝对压力对于研究气体及其在不同条件下的行为至关重要。理想气体定律描述了压力、体积和温度之间的关系，依赖于绝对压力进行准确的预测和计算。总之，绝对压力的重要性不容小觑。它的应用跨越多个学科，从航空到气象，其在确保各行业安全和效率方面的重要性至关重要。通过掌握绝对压力的概念，专业人士可以做出明智的决策，从而提高运营效率和安全性。随着技术的不断进步，对绝对压力的理解将继续成为科学探究和实际应用的基本方面，推动各个领域的创新和进步。