hair psychrometer

简明释义

毛发湿度表

英英释义

例句

1.Farmers rely on a hair psychrometer to ensure optimal conditions for their crops.

农民依靠发湿度计来确保作物的最佳生长条件。

2.The meteorologist used a hair psychrometer to measure the humidity in the air.

气象学家使用发湿度计来测量空气中的湿度。

3.The hair psychrometer is an essential tool for understanding local climate conditions.

发湿度计是了解当地气候条件的重要工具。

4.In the laboratory, we calibrated the hair psychrometer before conducting our experiments.

在实验室，我们在进行实验之前对发湿度计进行了校准。

5.Using a hair psychrometer, we determined that the humidity was unusually high today.

使用发湿度计，我们确定今天的湿度异常高。

作文

The measurement of humidity is a crucial aspect of meteorology, agriculture, and various industrial processes. One of the oldest and most reliable instruments used for this purpose is the hair psychrometer. A hair psychrometer is an instrument that utilizes the hygroscopic properties of human or animal hair to measure relative humidity in the air. The principle behind its operation is based on the fact that hair expands and contracts with changes in moisture content. This unique property makes it an effective tool for determining humidity levels.To understand how a hair psychrometer works, we must first look at its basic components. Typically, a hair psychrometer consists of two thermometers: one is dry, and the other is wet. The wet thermometer has a wet bulb covered with a thin layer of hair. When air passes over the wet bulb, the moisture evaporates from the hair, causing it to cool down. The rate of evaporation depends on the humidity level of the surrounding air. In drier conditions, evaporation occurs more rapidly, resulting in a greater temperature drop on the wet thermometer compared to the dry one.By comparing the readings of both thermometers, one can determine the relative humidity. This comparison is often done using a psychrometric chart or formula. The hair psychrometer is particularly useful because it provides a direct measurement of humidity without requiring complex electronic devices or calibration. Its simplicity and effectiveness have made it a favorite among meteorologists and field researchers.In addition to its practical applications, the hair psychrometer also has historical significance. It was one of the first devices used to quantify humidity, paving the way for more advanced technologies. As society has transitioned into the digital age, many modern instruments have replaced traditional hair psychrometers, yet their fundamental principles remain relevant. Understanding how these tools work helps us appreciate the advancements in meteorological technology and the importance of humidity measurement in our daily lives.Moreover, the hair psychrometer serves as an excellent educational tool. It can be used in classrooms to teach students about the concepts of humidity, evaporation, and thermodynamics. By conducting simple experiments with a hair psychrometer, students can visualize how humidity affects temperature and learn about the water cycle in a hands-on manner.In conclusion, the hair psychrometer is a fascinating instrument that combines simplicity with scientific principles to measure humidity effectively. Its relevance in both historical and modern contexts highlights the importance of understanding atmospheric conditions. Whether used in professional meteorology, agriculture, or educational settings, the hair psychrometer remains a valuable tool for anyone interested in the science of weather and climate. As we continue to explore and innovate in the field of meteorology, it is essential to recognize the foundational tools that have shaped our understanding of the environment around us.

湿度的测量是气象学、农业和各种工业过程中的一个关键方面。用于此目的的最古老且最可靠的仪器之一是毛发湿度计。毛发湿度计是一种利用人类或动物毛发的吸湿特性来测量空气相对湿度的仪器。其操作原理基于毛发随着水分含量变化而膨胀和收缩的事实。这一独特的性质使其成为确定湿度水平的有效工具。要理解毛发湿度计的工作原理，我们必须首先了解其基本组成部分。通常，毛发湿度计由两个温度计组成：一个是干温度计，另一个是湿温度计。湿温度计上覆盖着一层薄薄的毛发。当空气流过湿球时，湿气从毛发中蒸发，导致其降温。蒸发的速率取决于周围空气的湿度。在干燥条件下，蒸发发生得更快，导致湿温度计的温度下降幅度大于干温度计。通过比较两个温度计的读数，可以确定相对湿度。这个比较通常是使用心理图表或公式进行的。毛发湿度计特别有用，因为它提供了直接的湿度测量，而无需复杂的电子设备或校准。由于其简单性和有效性，使其成为气象学家和现场研究人员的最爱。除了其实际应用外，毛发湿度计还有历史意义。它是定量湿度的第一批设备之一，为更先进的技术铺平了道路。随着社会过渡到数字时代，许多现代仪器取代了传统的毛发湿度计，但其基本原理仍然相关。理解这些工具的工作方式帮助我们欣赏气象技术的进步以及湿度测量在我们日常生活中的重要性。此外，毛发湿度计也是一个极好的教育工具。它可以在课堂上用于教学生有关湿度、蒸发和热力学的概念。通过使用毛发湿度计进行简单实验，学生可以直观地看到湿度如何影响温度，并以动手的方式学习水循环。总之，毛发湿度计是一种迷人的仪器，它将简单性与科学原理结合在一起，有效地测量湿度。它在历史和现代背景下的相关性突显了理解大气条件的重要性。无论是在专业气象学、农业还是教育环境中，毛发湿度计仍然是任何对天气和气候科学感兴趣的人们的宝贵工具。随着我们继续探索和创新气象学领域，认识到塑造我们对周围环境理解的基础工具至关重要。