Pitot tube

简明释义

流速测定管

英英释义

例句

1.To ensure safety, pilots regularly check the Pitot tube for blockages before takeoff.

为了确保安全，飞行员在起飞前定期检查皮托管是否有堵塞。

2.A malfunctioning Pitot tube can lead to incorrect altitude readings in an aircraft.

故障的皮托管可能导致飞机高度读数不正确。

3.The Pitot tube is used in various applications, including boats and cars, to measure speed.

在各种应用中，包括船只和汽车，都会使用皮托管来测量速度。

4.The aircraft's speed was measured using the Pitot tube, which is essential for accurate flight data.

飞机的速度是通过皮托管测量的，这对于准确的飞行数据至关重要。

5.During the wind tunnel test, engineers installed a Pitot tube to gather airflow measurements.

在风洞测试中，工程师安装了一个皮托管以收集气流测量数据。

作文

The Pitot tube is an essential instrument in fluid dynamics, primarily used to measure the velocity of a fluid. This device is widely utilized in various fields, including aviation, marine engineering, and meteorology, to provide critical data about fluid flow. Understanding the working principle of the Pitot tube is crucial for students and professionals alike, as it plays a significant role in ensuring safety and efficiency in numerous applications.A Pitot tube consists of a simple design, typically featuring a hollow tube with two openings: one facing the fluid flow, known as the stagnation point, and another perpendicular to the flow. The basic principle behind its operation is Bernoulli's equation, which relates the pressure of a fluid to its velocity. When fluid enters the Pitot tube, it slows down at the stagnation point, causing an increase in pressure. This pressure difference between the stagnation point and the static pressure measured by the side opening allows for the calculation of the fluid's velocity.In aviation, the Pitot tube is critical for measuring airspeed. Aircraft are equipped with these tubes to ensure pilots receive accurate readings of their speed relative to the surrounding air. An incorrect airspeed reading can lead to dangerous situations, such as stalling or overspeeding. Therefore, understanding how the Pitot tube works and maintaining it properly is vital for flight safety.In addition to aviation, the Pitot tube is also used in marine applications, where it helps measure the speed of boats and ships through water. Accurate speed measurements are essential for navigation and performance optimization, making the Pitot tube a valuable tool in the marine industry.Meteorologists also utilize the Pitot tube in weather balloons to study wind speeds at various altitudes. By analyzing the data collected from these tubes, scientists can better understand atmospheric conditions and improve weather forecasting models. This application highlights the versatility of the Pitot tube across different scientific fields.While the Pitot tube is a robust and reliable instrument, it is not without limitations. For instance, it may produce inaccurate readings in turbulent flow conditions or when the fluid contains particles that can obstruct the tube. Therefore, users must be aware of these limitations and take necessary precautions to ensure accurate measurements.In conclusion, the Pitot tube is a vital instrument in fluid dynamics, offering invaluable insights into fluid velocity in various applications, from aviation to marine engineering and meteorology. Its simple yet effective design allows for accurate measurements, making it a staple in many industries. As technology advances, the Pitot tube continues to be refined, ensuring its relevance in modern science and engineering. Understanding this device is essential for anyone involved in fields that require precise fluid measurements, highlighting the importance of the Pitot tube in our daily lives and technological advancements.

“Pitot管”是流体动力学中的一种重要仪器，主要用于测量流体的速度。该装置在航空、海洋工程和气象等多个领域广泛应用，为流体流动提供关键数据。理解“Pitot管”的工作原理对学生和专业人士来说至关重要，因为它在确保众多应用的安全性和效率方面起着重要作用。“Pitot管”由一个简单的设计组成，通常具有一个带有两个开口的空心管：一个面向流体流动，称为滞止点，另一个与流动垂直。其操作的基本原理是伯努利方程，该方程将流体的压力与其速度相关联。当流体进入“Pitot管”时，它在滞止点处减速，导致压力增加。滞止点与侧开口测得的静压之间的压力差允许计算流体的速度。在航空领域，“Pitot管”对于测量空速至关重要。飞机配备这些管子，以确保飞行员获得相对于周围空气的准确速度读数。不正确的空速读数可能导致危险情况，例如失速或超速。因此，理解“Pitot管”的工作原理并妥善维护它对飞行安全至关重要。除了航空，“Pitot管”还在海洋应用中使用，帮助测量船只和舰艇在水中的速度。准确的速度测量对于导航和性能优化至关重要，使“Pitot管”成为海洋工业中的一种宝贵工具。气象学家还利用“Pitot管”在气象气球中研究不同高度的风速。通过分析从这些管子收集的数据，科学家可以更好地理解大气条件，并改进天气预报模型。这一应用突显了“Pitot管”在不同科学领域的多功能性。虽然“Pitot管”是一种稳健且可靠的仪器，但也并非没有局限性。例如，在湍流流动条件下或当流体中含有颗粒物可能阻塞管道时，它可能会产生不准确的读数。因此，用户必须意识到这些局限性，并采取必要的预防措施以确保准确测量。总之，“Pitot管”是流体动力学中的一种重要仪器，为航空、海洋工程和气象等各种应用中的流体速度提供了无价的见解。其简单而有效的设计允许进行准确的测量，使其成为许多行业的主力军。随着技术的进步，“Pitot管”继续得到改进，确保其在现代科学和工程中的相关性。理解这一设备对于任何涉及需要精确流体测量的领域的人来说都是必不可少的，突显了“Pitot管”在我们的日常生活和技术进步中的重要性。