hot wire gage

简明释义

热线压力计

英英释义

A hot wire gauge is an instrument used to measure the velocity of fluid flow, typically in air or gas, by detecting the cooling effect on a heated wire placed in the flow.

热丝计是一种用于测量流体流速的仪器,通常用于空气或气体,通过探测放置在流动中的加热丝的冷却效应。

例句

1.To ensure accuracy, calibrate the hot wire gage before each use.

为确保准确性,在每次使用前校准热丝测量仪

2.The engineer used a hot wire gage to measure the airflow in the ventilation system.

工程师使用热丝测量仪来测量通风系统中的气流。

3.During the experiment, we recorded the measurements taken with the hot wire gage.

在实验过程中,我们记录了使用热丝测量仪所获得的测量值。

4.A hot wire gage can provide real-time data on fluid velocity.

热丝测量仪可以提供流体速度的实时数据。

5.The hot wire gage is essential for testing the performance of HVAC systems.

对于测试暖通空调系统的性能,热丝测量仪是必不可少的。

作文

The measurement of fluid properties is essential in various fields, including engineering, meteorology, and environmental science. One of the most effective tools used for this purpose is the hot wire gage. A hot wire gage is an instrument designed to measure the velocity of a fluid by utilizing the principle of heat transfer. It consists of a thin wire that is heated electrically and placed in the flow of the fluid being measured. As the fluid flows over the wire, it cools the wire down, and the rate of cooling is directly related to the velocity of the fluid. This method provides a quick and accurate way to assess fluid dynamics.Understanding how a hot wire gage works can be quite fascinating. The wire is typically made of a material with a known resistance, and when current flows through it, it heats up. The temperature of the wire is monitored, and as the fluid passes over it, the heat is dissipated into the fluid. The amount of heat lost depends on the speed of the fluid; faster-moving fluid will cool the wire more quickly than slower-moving fluid. By measuring the change in temperature, one can calculate the velocity of the fluid.The applications of a hot wire gage are numerous. In engineering, it is used in wind tunnels to measure airflow over aircraft models, helping engineers design more efficient vehicles. In meteorology, it can be employed to study wind patterns and turbulence, which are crucial for weather predictions. Environmental scientists may use it to assess water flow in rivers and streams, which can impact ecosystem health.Despite its advantages, there are some limitations to using a hot wire gage. For instance, it can be sensitive to changes in temperature and humidity, which may affect the accuracy of the readings. Additionally, if the fluid contains particles or bubbles, these can interfere with the measurements. Therefore, while the hot wire gage is a powerful tool, users must be aware of its limitations and take necessary precautions to ensure accurate results.In conclusion, the hot wire gage is an invaluable instrument in the field of fluid dynamics. Its ability to provide real-time measurements of fluid velocity allows researchers and engineers to make informed decisions based on precise data. Whether in a laboratory setting or an outdoor environment, the hot wire gage continues to play a crucial role in advancing our understanding of fluid behavior. As technology evolves, we can expect even more sophisticated versions of the hot wire gage to emerge, enhancing its capabilities and expanding its applications across different scientific disciplines.

流体性质的测量在工程学、气象学和环境科学等多个领域中至关重要。其中一种最有效的工具是热丝测量仪热丝测量仪是一种设计用于通过利用热传递原理来测量流体速度的仪器。它由一根细丝组成,该细丝通过电加热并放置在被测流体的流动中。当流体流过细丝时,它会使细丝冷却,而冷却的速率与流体的速度直接相关。这种方法提供了一种快速而准确的评估流体动力学的方式。理解热丝测量仪的工作原理非常有趣。细丝通常由具有已知电阻的材料制成,当电流流过它时,它会加热。细丝的温度被监测,当流体经过它时,热量会散失到流体中。失去的热量取决于流体的速度;流速较快的流体会比流速较慢的流体更快地冷却细丝。通过测量温度变化,可以计算流体的速度。热丝测量仪的应用非常广泛。在工程学中,它被用于风洞中测量飞机模型周围的气流,帮助工程师设计更高效的交通工具。在气象学中,它可以用于研究风的模式和湍流,这对于天气预报至关重要。环境科学家可能会使用它来评估河流和溪流中的水流,这可能影响生态系统的健康。尽管存在诸多优点,使用热丝测量仪也有一些局限性。例如,它对温度和湿度的变化非常敏感,这可能影响读数的准确性。此外,如果流体中含有颗粒或气泡,这些也可能干扰测量。因此,虽然热丝测量仪是一种强大的工具,但用户必须意识到其局限性,并采取必要的预防措施以确保结果的准确性。总之,热丝测量仪在流体动力学领域中是一种不可或缺的仪器。它能够实时提供流体速度的测量,使研究人员和工程师能够根据精确的数据做出明智的决策。无论是在实验室环境还是户外环境中,热丝测量仪继续在推动我们对流体行为的理解中发挥着关键作用。随着技术的发展,我们可以期待更先进版本的热丝测量仪出现,从而增强其能力并扩展其在不同科学学科中的应用。

相关单词

wire

wire详解:怎么读、什么意思、用法