depression of the wet bulb

简明释义

干湿球温度差

英英释义

例句

1.During the heatwave, the depression of the wet bulb indicated dangerously high humidity.

在热浪期间，湿球温度下降显示出危险的高湿度。

2.Farmers often monitor the depression of the wet bulb to determine the best times for irrigation.

农民经常监测湿球温度下降以确定最佳灌溉时间。

3.In the lab, we measured the depression of the wet bulb to study its effects on plant growth.

在实验室中，我们测量了湿球温度下降以研究其对植物生长的影响。

4.The meteorologist recorded a depression of the wet bulb to assess humidity levels in the region.

气象学家记录了湿球温度下降以评估该地区的湿度水平。

5.The HVAC system was designed to respond to the depression of the wet bulb for improved comfort.

HVAC系统设计为响应湿球温度下降以提高舒适度。

作文

Understanding the concept of depression of the wet bulb is essential for various fields, especially in meteorology and engineering. The term refers to the difference in temperature between a dry bulb thermometer and a wet bulb thermometer when measuring humidity. This difference indicates the amount of moisture present in the air, which can significantly impact weather predictions, climate studies, and even human comfort levels. To grasp the significance of depression of the wet bulb, we must first understand how these temperature measurements are taken. A dry bulb thermometer measures the ambient air temperature, while a wet bulb thermometer has a cloth wick soaked in water covering its bulb. As air passes over the wet bulb, evaporation occurs, cooling the thermometer. The rate of evaporation depends on the humidity level; the drier the air, the more evaporation takes place, leading to a lower reading on the wet bulb thermometer. The depression of the wet bulb is calculated by subtracting the wet bulb temperature from the dry bulb temperature. For instance, if the dry bulb reads 30°C and the wet bulb reads 25°C, the depression would be 5°C. This value is crucial because it provides insights into the relative humidity of the air. High values of depression indicate low humidity, while low values suggest high humidity. In practical applications, the depression of the wet bulb is utilized in various industries. In agriculture, farmers monitor this parameter to determine irrigation needs. If the wet bulb depression is high, it indicates that the air is dry, prompting farmers to irrigate their crops to maintain optimal growth conditions. Conversely, a low depression may signal adequate moisture in the air, allowing farmers to delay irrigation. In HVAC (heating, ventilation, and air conditioning) systems, understanding the depression of the wet bulb helps engineers design more efficient systems. By knowing the humidity levels, they can adjust cooling systems to provide comfortable indoor environments. For example, during hot summer days, a significant depression might lead to increased cooling demands, while a low depression could reduce the need for extensive cooling, saving energy. Furthermore, the depression of the wet bulb plays a crucial role in human health. High temperatures combined with high humidity can lead to heat-related illnesses. By monitoring the wet bulb depression, public health officials can issue warnings about heat stress and advise people to stay hydrated or avoid outdoor activities during extreme conditions. In conclusion, the depression of the wet bulb is a fundamental concept that transcends multiple disciplines. Its implications stretch from agricultural practices to engineering solutions and public health initiatives. Understanding this measurement not only aids professionals in making informed decisions but also enhances our overall awareness of environmental conditions. As we continue to face challenges related to climate change and urbanization, mastering concepts like the depression of the wet bulb will be increasingly important for ensuring sustainable practices and safeguarding public health.

理解湿球温度的降幅这一概念对于多个领域尤其是气象学和工程学至关重要。该术语指的是在测量湿度时，干球温度计和湿球温度计之间的温度差。这一差异表明空气中存在的水分量，这对天气预测、气候研究甚至人类舒适度都有显著影响。要掌握湿球温度的降幅的重要性，首先必须了解这些温度测量是如何进行的。干球温度计测量环境空气温度，而湿球温度计的灯泡上覆盖着浸水的布。当空气流过湿球时，蒸发发生，温度计被冷却。蒸发速率取决于湿度水平；空气越干燥，蒸发越多，湿球温度计的读数就会越低。湿球温度的降幅通过将湿球温度从干球温度中减去来计算。例如，如果干球温度为30°C，湿球温度为25°C，则降幅为5°C。这个值至关重要，因为它提供了空气相对湿度的洞察。高降幅值表示低湿度，而低降幅值则表示高湿度。在实际应用中，湿球温度的降幅被广泛应用于各行各业。在农业中，农民监测这一参数以确定灌溉需求。如果湿球降幅较高，表明空气干燥，促使农民为作物灌溉以维持最佳生长条件。相反，低降幅可能表明空气中水分充足，允许农民推迟灌溉。在暖通空调（HVAC）系统中，了解湿球温度的降幅帮助工程师设计更高效的系统。通过了解湿度水平，他们可以调整制冷系统以提供舒适的室内环境。例如，在炎热的夏天，显著的降幅可能导致更高的制冷需求，而低降幅则可以减少对大量制冷的需求，从而节省能源。此外，湿球温度的降幅在公共健康方面也发挥着关键作用。高温与高湿度结合可能导致与热相关的疾病。通过监测湿球降幅，公共卫生官员可以发出关于热应激的警告，并建议人们保持水分或避免在极端条件下进行户外活动。总之，湿球温度的降幅是一个基本概念，跨越多个学科。其影响从农业实践到工程解决方案，再到公共卫生倡议。理解这一测量不仅有助于专业人士做出明智的决策，还增强了我们对环境条件的整体认识。随着我们继续面临与气候变化和城市化相关的挑战，掌握像湿球温度的降幅这样的概念将变得越来越重要，以确保可持续的实践和保障公共健康。