true air speed

简明释义

真风速

英英释义

True airspeed (TAS) is the speed of an aircraft relative to the surrounding air mass, taking into account altitude and temperature effects on air density.

真实空速(TAS)是指飞机相对于周围气流的速度,考虑了高度和温度对空气密度的影响。

例句

1.He noted that the true air speed (真实空速) was higher than the indicated air speed due to altitude.

他注意到,由于高度原因,真实空速高于指示空速。

2.The true air speed (真实空速) can be affected by wind conditions during flight.

飞行中的风速条件会影响真实空速

3.Before landing, the crew double-checked the true air speed (真实空速) to ensure a safe approach.

在着陆之前,机组人员再次检查了真实空速以确保安全进场。

4.To calculate fuel efficiency, we need to know the aircraft's true air speed (真实空速) at cruising altitude.

为了计算燃油效率,我们需要知道飞机在巡航高度的真实空速

5.The pilot adjusted the altitude to maintain a constant true air speed (真实空速) during the climb.

飞行员在爬升过程中调整高度以保持恒定的真实空速

作文

Understanding the concept of true air speed is crucial for pilots and aviation enthusiasts alike. The term refers to the actual speed of an aircraft relative to the surrounding air. Unlike indicated airspeed, which is what the aircraft's instruments display, true air speed takes into account factors such as altitude and temperature, providing a more accurate measure of how fast the aircraft is moving through the air. To grasp the significance of true air speed, one must first understand the difference between indicated airspeed (IAS) and groundspeed. Indicated airspeed is the speed read directly from the aircraft's airspeed indicator, which can be affected by various factors including air density and instrument calibration. On the other hand, groundspeed is the speed at which the aircraft is moving over the ground, which can vary due to wind conditions. True air speed serves as a bridge between these two measurements, helping pilots make informed decisions during flight.The calculation of true air speed involves correcting the indicated airspeed for altitude and temperature. As an aircraft ascends, the air becomes less dense, which can lead to a lower indicated airspeed than the actual speed through the air. This discrepancy can be critical during high-altitude flights where performance and fuel efficiency are paramount. Pilots utilize flight computers or performance charts to determine the true air speed, ensuring they have the correct data for navigation and fuel management.Furthermore, understanding true air speed is essential for safety in aviation. For instance, during takeoff and landing, pilots must be aware of their true air speed to ensure they achieve the necessary lift and maintain control of the aircraft. A common misconception is that flying faster always equates to better performance; however, it is the true air speed that ultimately determines how effectively an aircraft can maneuver through the air.In addition to its practical applications, true air speed plays a vital role in flight planning. Before embarking on a journey, pilots calculate the true air speed to estimate travel time and fuel consumption accurately. This information is critical for both commercial airlines and private pilots, as it aids in optimizing flight routes and ensuring compliance with regulations regarding fuel reserves.In conclusion, the concept of true air speed is fundamental to aviation. It provides pilots with a clear understanding of their aircraft's performance in relation to the air around them. By distinguishing between indicated airspeed, groundspeed, and true air speed, pilots can make better-informed decisions that enhance safety and efficiency. Whether for navigating through turbulent weather or planning a long-distance flight, the importance of true air speed cannot be overstated. As technology continues to advance, the methods for calculating and utilizing true air speed will only become more sophisticated, further improving the safety and efficiency of air travel.

理解真实空速的概念对于飞行员和航空爱好者来说至关重要。这个术语指的是飞机相对于周围空气的实际速度。与指示空速不同,指示空速是飞机仪表显示的速度,而真实空速则考虑了高度和温度等因素,提供了一个更准确的飞机在空气中移动的速度测量。为了理解真实空速的重要性,首先必须了解指示空速(IAS)和地面速度之间的区别。指示空速是直接从飞机的空速指示器读取的速度,这可能会受到空气密度和仪器校准等各种因素的影响。另一方面,地面速度是飞机在地面上移动的速度,这可能由于风条件而有所变化。真实空速作为这两种测量之间的桥梁,帮助飞行员在飞行过程中做出明智的决策。计算真实空速涉及对指示空速进行高度和温度的修正。当飞机升高时,空气变得不那么稠密,这可能导致指示空速低于实际在空气中的速度。这种差异在高空飞行中可能至关重要,因为性能和燃油效率至关重要。飞行员利用飞行计算机或性能图表来确定真实空速,确保他们拥有正确的导航和燃料管理数据。此外,理解真实空速对于航空安全至关重要。例如,在起飞和着陆期间,飞行员必须了解他们的真实空速以确保他们达到必要的升力并保持飞机的控制。一个常见的误解是,飞行得更快总是意味着更好的性能;然而,最终决定飞机如何有效地在空气中机动的是真实空速。除了其实际应用外,真实空速在飞行计划中也发挥着重要作用。在开始旅程之前,飞行员计算真实空速以准确估计旅行时间和燃油消耗。这些信息对于商业航空公司和私人飞行员都是至关重要的,因为它有助于优化飞行路线并确保遵守关于燃油储备的规定。总之,真实空速的概念是航空的基础。它使飞行员清楚地理解他们的飞机在周围空气中的性能。通过区分指示空速、地面速度和真实空速,飞行员可以做出更明智的决策,从而提高安全性和效率。无论是在动荡的天气中导航还是规划长途飞行,真实空速的重要性都不容小觑。随着技术的不断进步,计算和利用真实空速的方法只会变得更加复杂,从而进一步提高航空旅行的安全性和效率。