international standard atmosphere

简明释义

国际标准大气国际标准大气压

英英释义

例句

1.The international standard atmosphere (国际标准大气) provides a baseline for calibrating altimeters in aircraft.

对飞机的高度表进行校准时，国际标准大气 (国际标准大气) 提供了一个基准。

2.In aviation training, students learn how to adjust their flight plans according to the international standard atmosphere (国际标准大气).

在航空培训中，学生学习如何根据国际标准大气 (国际标准大气) 调整他们的飞行计划。

3.Engine performance tests are often conducted under the conditions defined by the international standard atmosphere (国际标准大气).

发动机性能测试通常在国际标准大气 (国际标准大气) 定义的条件下进行。

4.Meteorologists often use the international standard atmosphere (国际标准大气) as a reference for weather forecasting.

气象学家常常使用国际标准大气 (国际标准大气) 作为天气预报的参考。

5.The aircraft's performance is usually calculated based on the international standard atmosphere (国际标准大气) to ensure consistency in measurements.

飞机的性能通常基于国际标准大气 (国际标准大气) 进行计算，以确保测量的一致性。

作文

The concept of international standard atmosphere refers to a model that defines the average atmospheric conditions at different altitudes. This model is crucial for various fields, including aviation, meteorology, and environmental science. The international standard atmosphere provides a consistent framework for understanding how temperature, pressure, and density change with altitude, which is essential for designing aircraft, predicting weather patterns, and studying climate change.At sea level, the international standard atmosphere establishes a temperature of 15 degrees Celsius, a pressure of 1013.25 hPa, and a density of 1.225 kg/m³. As altitude increases, the temperature generally decreases at a standard lapse rate of approximately 6.5 degrees Celsius per kilometer until reaching the tropopause, where the temperature stabilizes. Understanding these parameters is vital for engineers and scientists who work in fields that require precise calculations related to air flow, lift generation, and fuel efficiency.In aviation, the international standard atmosphere serves as a reference for pilots and air traffic controllers. Aircraft performance is often evaluated based on this model, allowing for more accurate predictions of how an aircraft will perform under varying conditions. For instance, takeoff and landing distances can be calculated more reliably when using the international standard atmosphere as a baseline. This ensures that safety margins are maintained, especially in challenging weather conditions or at high-altitude airports.Furthermore, the international standard atmosphere plays a significant role in meteorology. Weather forecasts and climate models rely on accurate atmospheric data to predict changes in weather patterns. By using the international standard atmosphere as a reference point, meteorologists can better understand how different layers of the atmosphere interact and how these interactions affect weather systems.In addition to aviation and meteorology, the international standard atmosphere is also important in the field of environmental science. Researchers studying pollution dispersion, greenhouse gas emissions, and climate change utilize this model to simulate how these factors behave in the atmosphere. By establishing a standard reference, scientists can compare their findings across different studies and geographic locations, leading to a more comprehensive understanding of global environmental issues.Moreover, the international standard atmosphere aids in international collaboration. As countries work together to tackle issues like climate change and air traffic management, having a common understanding of atmospheric conditions allows for more effective communication and cooperation. It ensures that all parties involved are operating from the same baseline, which is essential for making informed decisions and policies.In conclusion, the international standard atmosphere is a fundamental concept that underpins many scientific and engineering disciplines. Its importance cannot be overstated, as it provides a reliable framework for understanding atmospheric conditions and their implications for aviation, meteorology, and environmental science. By utilizing the international standard atmosphere, professionals in these fields can make better-informed decisions, ultimately leading to improved safety, more accurate weather predictions, and a deeper understanding of our planet's atmosphere. As we continue to face global challenges related to climate and air travel, the relevance of the international standard atmosphere will only grow, highlighting the need for ongoing research and collaboration in this vital area.

国际标准大气的概念是指一个模型，该模型定义了不同高度下的平均大气条件。这个模型在多个领域中至关重要，包括航空、气象和环境科学。国际标准大气为理解温度、压力和密度如何随高度变化提供了一致的框架，这对于设计飞机、预测天气模式和研究气候变化至关重要。在海平面上，国际标准大气设定了15摄氏度的温度、1013.25 hPa的压力和1.225 kg/m³的密度。随着高度的增加，温度通常以每千米约6.5摄氏度的标准递减率下降，直到达到对流层顶，在那里温度稳定。理解这些参数对于在需要进行与气流、升力生成和燃油效率相关的精确计算的工程师和科学家至关重要。在航空领域，国际标准大气作为飞行员和空中交通管制员的参考。飞机性能通常基于这个模型进行评估，从而更准确地预测飞机在不同条件下的表现。例如，当使用国际标准大气作为基线时，可以更可靠地计算起飞和着陆距离。这确保了安全边际的维持，尤其是在天气条件严峻或高海拔机场的情况下。此外，国际标准大气在气象学中也发挥着重要作用。天气预报和气候模型依赖于准确的大气数据来预测天气模式的变化。通过使用国际标准大气作为参考点，气象学家可以更好地理解大气的不同层次如何相互作用，以及这些相互作用如何影响天气系统。除了航空和气象，国际标准大气在环境科学领域也很重要。研究污染扩散、温室气体排放和气候变化的研究人员利用这个模型来模拟这些因素在大气中的行为。通过建立一个标准参考，科学家可以比较他们在不同研究和地理位置上的发现，从而更全面地理解全球环境问题。此外，国际标准大气有助于国际合作。随着各国共同努力应对气候变化和空中交通管理等问题，拥有共同的大气条件理解使得更有效的沟通与合作成为可能。这确保了所有参与方都在同一基准上运作，这对于做出明智的决策和政策至关重要。总之，国际标准大气是一个基础概念，它支撑着许多科学和工程学科。它的重要性不容小觑，因为它为理解大气条件及其对航空、气象和环境科学的影响提供了可靠的框架。通过利用国际标准大气，这些领域的专业人士能够做出更明智的决策，最终提高安全性、更加准确地预测天气，并更深入地理解我们星球的大气。随着我们继续面临与气候和航空旅行相关的全球挑战，国际标准大气的相关性只会增加，这突显了在这一重要领域持续研究和合作的必要性。