international standard atmosphere

简明释义

国际标准大气

英英释义

例句

1.Meteorologists use the international standard atmosphere as a reference for weather predictions.

气象学家使用国际标准大气作为天气预报的参考。

2.The international standard atmosphere provides a baseline for altitude calculations in aviation.

在航空中，国际标准大气提供了高度计算的基准。

3.When designing engines, engineers must consider the international standard atmosphere to ensure efficiency.

在设计发动机时，工程师必须考虑国际标准大气以确保效率。

4.The aircraft's performance is often calculated based on the conditions of the international standard atmosphere.

飞机的性能通常基于国际标准大气的条件进行计算。

5.Flight manuals often refer to the international standard atmosphere for performance data.

飞行手册通常参考国际标准大气以获取性能数据。

作文

The concept of international standard atmosphere is essential in various fields, particularly in aviation and meteorology. It serves as a reference point for the behavior of the atmosphere at different altitudes, providing a standardized model that can be used globally. The international standard atmosphere is defined by specific values of temperature, pressure, and density at various altitudes, which are crucial for aircraft performance calculations, weather predictions, and environmental studies.At sea level, the international standard atmosphere defines a temperature of 15 degrees Celsius, a pressure of 1013.25 hPa, and a density of 1.225 kg/m³. As altitude increases, these values change predictably. For instance, the temperature decreases with height in the troposphere, the lowest layer of the atmosphere, until reaching the tropopause. This predictable behavior allows engineers and scientists to design aircraft and predict weather patterns with greater accuracy.In aviation, the international standard atmosphere is crucial for calculating aircraft performance parameters such as lift, drag, and fuel consumption. Pilots rely on this standard to understand how their aircraft will perform under different conditions. By using the international standard atmosphere, pilots can make informed decisions regarding altitude changes, speed adjustments, and fuel management, ensuring safer and more efficient flights.Moreover, the international standard atmosphere plays a vital role in the calibration of instruments and equipment used in aviation and meteorology. Instruments like altimeters, which measure altitude, must be calibrated based on the standard atmospheric conditions to ensure accuracy. If the atmospheric conditions deviate from the international standard atmosphere, it can lead to incorrect readings, potentially compromising safety.In meteorology, understanding the international standard atmosphere helps meteorologists develop accurate weather models and forecasts. By knowing the expected behavior of the atmosphere at different altitudes, they can better predict phenomena such as storms, temperature inversions, and wind patterns. This knowledge is crucial for public safety and for industries that depend on weather conditions, such as agriculture and shipping.Furthermore, the international standard atmosphere is not only limited to aviation and meteorology but also extends to other scientific disciplines. For example, in environmental science, researchers use the standard atmosphere to model the dispersion of pollutants and study climate change impacts. By applying the principles of the international standard atmosphere, scientists can analyze how different variables interact within the atmosphere, leading to a better understanding of our planet's systems.In conclusion, the international standard atmosphere is a fundamental concept that provides a consistent framework for understanding atmospheric behavior. Its applications in aviation, meteorology, and environmental science highlight its importance in ensuring safety, improving efficiency, and advancing scientific knowledge. As we continue to explore and study our atmosphere, the international standard atmosphere will remain a critical reference point for researchers and professionals alike.

“国际标准大气”这一概念在多个领域中至关重要，尤其是在航空和气象学中。它作为一个参考点，用于描述不同高度大气的行为，提供了一个全球通用的标准化模型。“国际标准大气”由特定的温度、压力和密度值在不同高度上定义，这些参数对于飞机性能计算、天气预测和环境研究至关重要。在海平面上，“国际标准大气”定义的温度为15摄氏度，压力为1013.25 hPa，密度为1.225 kg/m³。随着高度的增加，这些值会发生可预测的变化。例如，在对流层，即大气的最低层，温度随着高度的增加而降低，直到达到平流层顶。这种可预测的行为使得工程师和科学家能够更准确地设计飞机和预测天气模式。在航空领域，“国际标准大气”对于计算飞机性能参数如升力、阻力和燃油消耗至关重要。飞行员依赖这一标准来了解他们的飞机在不同条件下的表现。通过使用“国际标准大气”，飞行员可以就高度变化、速度调整和燃油管理做出明智的决策，从而确保飞行的安全和高效。此外，“国际标准大气”在航空和气象学中所使用的仪器和设备的校准中发挥着重要作用。像高度表这样的仪器，测量高度时必须根据标准大气条件进行校准，以确保准确性。如果大气条件偏离“国际标准大气”，可能会导致错误读数，从而危及安全。在气象学中，理解“国际标准大气”有助于气象学家开发准确的天气模型和预报。通过了解不同高度大气的预期行为，他们可以更好地预测诸如风暴、温度逆温和风模式等现象。这一知识对于公众安全以及依赖天气条件的行业（如农业和航运）至关重要。此外，“国际标准大气”不仅限于航空和气象学，还扩展到其他科学学科。例如，在环境科学中，研究人员利用标准大气模型污染物的扩散并研究气候变化的影响。通过应用“国际标准大气”的原理，科学家可以分析不同变量在大气中的相互作用，从而更好地理解我们星球的系统。总之，“国际标准大气”是一个基本概念，为理解大气行为提供了一致的框架。它在航空、气象学和环境科学中的应用凸显了其在确保安全、提高效率和推动科学知识方面的重要性。随着我们继续探索和研究大气，“国际标准大气”将始终是研究人员和专业人士的重要参考点。