pressure altitude

简明释义

气压高度压力高度

英英释义

例句

1.Meteorologists often use pressure altitude 气压高度 to analyze weather patterns.

气象学家常常使用气压高度来分析天气模式。

2.The pilot adjusted the altimeter to reflect the correct pressure altitude 气压高度 before takeoff.

飞行员在起飞前调整了高度表以反映正确的压力高度。

3.At higher elevations, the pressure altitude 气压高度 can significantly affect aircraft performance.

在较高的海拔，气压高度会显著影响飞机的性能。

4.During the flight, the cockpit crew monitored the pressure altitude 气压高度 to ensure safe cruising conditions.

在飞行过程中，机组人员监控气压高度以确保安全巡航条件。

5.The pressure altitude 气压高度 is calculated using the current barometric pressure at sea level.

根据当前的海平面气压计算气压高度。

作文

Understanding the concept of pressure altitude is essential for pilots and aviation enthusiasts alike. In simple terms, pressure altitude refers to the altitude in the atmosphere where the air pressure is equal to a standard atmospheric pressure of 29.92 inches of mercury (Hg) at sea level. This measurement is crucial because it allows pilots to determine their aircraft's altitude relative to the standard atmosphere, which is vital for safe navigation and operation. When flying, aircraft experience changes in air pressure due to variations in weather conditions and altitude. As an aircraft ascends, the air pressure decreases, and this can affect the performance of the aircraft. By using pressure altitude, pilots can adjust their flight operations accordingly. For example, if a pilot is flying in a region with lower than standard atmospheric pressure, the actual altitude of the aircraft may be higher than what is indicated on the altimeter. Understanding pressure altitude helps pilots compensate for these discrepancies.Moreover, pressure altitude plays a significant role in calculating aircraft performance. Factors such as engine efficiency, lift generation, and fuel consumption are influenced by altitude. At higher pressure altitudes, aircraft engines may produce less power, and the wings may generate less lift. Therefore, pilots must take pressure altitude into account when planning takeoffs, landings, and climbs to ensure optimal performance.The concept of pressure altitude is also important for air traffic control and safety regulations. Air traffic controllers use pressure altitude to maintain safe separation between aircraft flying at different altitudes. They rely on standardized altitudes to avoid collisions and ensure that all aircraft operate within designated airspace. Understanding pressure altitude is therefore not only crucial for pilots but also for air traffic management.In addition to its practical applications, pressure altitude serves as a fundamental concept in meteorology. Weather systems are often analyzed based on pressure altitude to understand atmospheric conditions. Meteorologists use this information to predict weather patterns and make forecasts. For instance, high pressure altitudes can indicate stable weather conditions, while low pressure altitudes may suggest stormy weather. In conclusion, the significance of pressure altitude cannot be overstated in aviation and meteorology. It is a critical parameter that affects flight safety, aircraft performance, and weather analysis. Pilots and aviation professionals must have a thorough understanding of pressure altitude to navigate the skies safely and effectively. As technology advances, the methods of measuring and interpreting pressure altitude will continue to evolve, but its fundamental importance will remain unchanged. A solid grasp of pressure altitude is essential for anyone involved in aviation, ensuring that they can make informed decisions while navigating the complexities of the atmosphere.

理解压力高度的概念对于飞行员和航空爱好者来说至关重要。简单来说，压力高度指的是在大气中，空气压力等于海平面标准大气压力29.92英寸汞柱（Hg）的高度。这个测量非常重要，因为它使飞行员能够确定他们的飞机相对于标准大气的高度，这对于安全导航和操作至关重要。在飞行过程中，飞机由于天气条件和高度的变化而经历空气压力的变化。当飞机上升时，空气压力会降低，这会影响飞机的性能。通过使用压力高度，飞行员可以相应地调整他们的飞行操作。例如，如果飞行员在一个低于标准大气压力的区域飞行，飞机的实际高度可能高于高度表上显示的高度。理解压力高度帮助飞行员弥补这些差异。此外，压力高度在计算飞机性能方面也起着重要作用。发动机效率、升力产生和燃料消耗等因素都受到高度的影响。在更高的压力高度下，飞机发动机的功率可能会降低，机翼可能会产生较少的升力。因此，飞行员在规划起飞、着陆和爬升时必须考虑压力高度以确保最佳性能。压力高度的概念对于空中交通管制和安全法规也至关重要。空中交通管制员使用压力高度来维持在不同高度飞行的飞机之间的安全间隔。他们依赖于标准化的高度来避免碰撞，并确保所有飞机在指定空域内操作。因此，理解压力高度不仅对飞行员至关重要，对空中交通管理也是如此。除了其实际应用外，压力高度在气象学中也起着基础性作用。气象系统通常根据压力高度进行分析，以了解大气条件。气象学家利用这些信息来预测天气模式和做出天气预报。例如，高压力高度可能表示稳定的天气条件，而低压力高度可能暗示暴风雨天气。总之，压力高度的重要性在航空和气象学中不可低估。它是影响飞行安全、飞机性能和天气分析的关键参数。飞行员和航空专业人士必须对压力高度有透彻的理解，以安全有效地在空中导航。随着技术的进步，测量和解释压力高度的方法将继续发展，但其基本重要性将保持不变。对任何参与航空的人来说，牢固掌握压力高度是必不可少的，确保他们能够在复杂的大气环境中做出明智的决策。