hot-wire instrument

简明释义

热线式仪表

英英释义

例句

1.The engineer used a hot-wire instrument to measure the air velocity in the wind tunnel.

工程师使用了一个热丝仪器来测量风洞中的气流速度。

2.During the lab session, students learned how to operate a hot-wire instrument effectively.

在实验课上，学生们学习了如何有效地操作热丝仪器。

3.To ensure accurate readings, the technician calibrated the hot-wire instrument before starting the experiment.

为了确保读数准确，技术员在开始实验前对热丝仪器进行了校准。

4.The hot-wire instrument is essential for studying turbulence in fluid dynamics.

热丝仪器对于研究流体动力学中的湍流至关重要。

5.The research team relied on the hot-wire instrument to gather data on airflow patterns.

研究小组依赖于热丝仪器收集气流模式的数据。

作文

The use of technology in various fields has led to the development of numerous tools and instruments that enhance our understanding of complex systems. One such tool is the hot-wire instrument, which is primarily used in fluid dynamics to measure flow velocity. This innovative device operates on the principle of heat transfer, allowing researchers and engineers to gather precise data about the behavior of fluids under different conditions.The hot-wire instrument consists of a thin wire that is heated by an electric current. When this wire is placed in a flowing fluid, the heat from the wire is carried away by the fluid. The rate at which the heat is dissipated depends on the flow velocity of the fluid. By measuring the temperature change in the wire, one can accurately determine the speed of the fluid flow. This method is particularly useful because it provides real-time measurements and can be used in various environments, including wind tunnels and water channels.One of the significant advantages of using a hot-wire instrument is its sensitivity. It can detect very small changes in flow velocity, making it an essential tool for researchers studying turbulence and other complex flow phenomena. Moreover, the compact size of the instrument allows it to be used in confined spaces where traditional measurement tools may not fit. This versatility has made it a popular choice in both academic research and industrial applications.In addition to its practical applications, the hot-wire instrument also serves as an educational tool. Students studying fluid mechanics can benefit from hands-on experience with this instrument, helping them to visualize and understand the principles of fluid flow. By conducting experiments with the hot-wire instrument, students can observe how changes in factors such as temperature and pressure affect fluid behavior, reinforcing their theoretical knowledge with practical applications.Despite its many advantages, the use of a hot-wire instrument does come with challenges. For instance, the instrument's performance can be affected by environmental factors such as temperature fluctuations and the presence of contaminants in the fluid. Additionally, accurate calibration is crucial to ensure reliable measurements. Researchers must take care to maintain the instrument properly and conduct regular checks to guarantee its accuracy.In conclusion, the hot-wire instrument is a vital tool in the field of fluid dynamics, offering precise measurements of flow velocity and contributing to our understanding of complex fluid behaviors. Its sensitivity, versatility, and educational value make it an indispensable resource for researchers, engineers, and students alike. As technology continues to advance, we can expect further innovations in the design and application of the hot-wire instrument, enhancing our ability to study and manipulate fluid systems effectively.

随着技术在各个领域的应用，许多工具和仪器得到了发展，这些工具和仪器增强了我们对复杂系统的理解。其中一种工具是热丝仪器，主要用于流体动力学中测量流速。这个创新设备基于热传递的原理，使研究人员和工程师能够收集关于流体在不同条件下行为的精确数据。热丝仪器由一根通过电流加热的细丝组成。当这根丝放置在流动的流体中时，热量会被流体带走。热量散失的速度取决于流体的流速。通过测量丝的温度变化，可以准确地确定流体流动的速度。这种方法特别有用，因为它提供实时测量，并且可以在各种环境中使用，包括风洞和水槽。使用热丝仪器的一个显著优点是其灵敏度。它可以检测到非常小的流速变化，使其成为研究湍流和其他复杂流动现象的必要工具。此外，该仪器的紧凑尺寸使其能够在狭小空间中使用，而传统测量工具可能无法适应。这种多功能性使其在学术研究和工业应用中都受到欢迎。除了实际应用外，热丝仪器还作为教育工具。学习流体力学的学生可以通过使用这种仪器获得实践经验，帮助他们可视化和理解流体流动的原理。通过与热丝仪器进行实验，学生可以观察温度和压力等因素的变化如何影响流体行为，从而通过实际应用巩固他们的理论知识。尽管有许多优点，使用热丝仪器也面临挑战。例如，仪器的性能可能会受到环境因素的影响，如温度波动和流体中污染物的存在。此外，准确的校准对于确保可靠的测量至关重要。研究人员必须小心维护仪器，并定期检查以保证其准确性。总之，热丝仪器是流体动力学领域的重要工具，提供流速的精确测量，并有助于我们理解复杂的流体行为。它的灵敏度、多功能性和教育价值使其成为研究人员、工程师和学生不可或缺的资源。随着技术的不断进步，我们可以期待热丝仪器的设计和应用进一步创新，提高我们有效研究和操控流体系统的能力。