mean radiant temperature

简明释义

平均辐射温度

英英释义

Mean radiant temperature (MRT) is the uniform temperature of an imaginary black enclosure that would result in the same heat loss from the human body as the actual environment, taking into account the effects of surrounding surfaces and their temperatures.

平均辐射温度(MRT)是指一个假想的黑色封闭空间的均匀温度,该温度会导致人体与实际环境中热量损失相同,考虑到周围表面及其温度的影响。

例句

1.The mean radiant temperature 平均辐射温度 is a critical factor in HVAC system design.

在暖通空调系统设计中,mean radiant temperature 平均辐射温度 是一个关键因素。

2.During the summer months, the mean radiant temperature 平均辐射温度 can rise dramatically due to solar gain.

在夏季,由于太阳辐射的影响,mean radiant temperature 平均辐射温度 可能会急剧上升。

3.To achieve optimal thermal comfort, it is essential to monitor the mean radiant temperature 平均辐射温度 in indoor environments.

为了实现最佳的热舒适度,监测室内环境中的mean radiant temperature 平均辐射温度 是至关重要的。

4.The comfort of occupants in a building is significantly influenced by the mean radiant temperature 平均辐射温度 of the surrounding surfaces.

建筑内居住者的舒适度受到周围表面的mean radiant temperature 平均辐射温度 的显著影响。

5.In sports facilities, the mean radiant temperature 平均辐射温度 can affect athlete performance and comfort levels.

在体育设施中,mean radiant temperature 平均辐射温度 会影响运动员的表现和舒适度。

作文

Understanding the concept of mean radiant temperature is essential in various fields, particularly in environmental science and building design. The mean radiant temperature (MRT) is a measure that represents the average temperature of all the surfaces surrounding a person, weighted by their view factor. This means that it considers not just the air temperature, but also the temperature of walls, windows, and other surfaces that can influence how warm or cool a person feels in a given environment.In practical terms, the mean radiant temperature plays a crucial role in thermal comfort assessments. For instance, in a room with a high ceiling and large windows, the air temperature might be comfortable, but if the walls are cold and the sunlight streaming in from the windows creates a significant temperature difference, the overall thermal sensation can be quite different. Therefore, understanding MRT helps architects and engineers create more comfortable living and working spaces.Moreover, the mean radiant temperature is particularly relevant in climates where outdoor temperatures fluctuate significantly. In such regions, buildings need to be designed to minimize heat loss during colder months and reduce heat gain during warmer months. By calculating the mean radiant temperature, designers can optimize insulation, window placement, and shading strategies to enhance energy efficiency and comfort.Additionally, the mean radiant temperature is vital in the field of HVAC (heating, ventilation, and air conditioning). HVAC systems are designed to maintain a comfortable indoor environment, and understanding MRT allows for better control of heating and cooling systems. For example, in a space with radiant heating, the floor may be much warmer than the air above it. Knowing the mean radiant temperature helps in adjusting the settings of the HVAC system to ensure that occupants feel comfortable without wasting energy.In sports and outdoor activities, the mean radiant temperature also plays a significant role. Athletes and participants in outdoor events need to be aware of how their surroundings affect their body temperature. Factors such as sunlight, wind, and humidity all contribute to the mean radiant temperature, which can impact performance and safety. For instance, a sunny day with a clear sky can raise the MRT significantly, leading to increased heat stress for athletes.In conclusion, the mean radiant temperature is a critical parameter that influences our thermal comfort in various environments. It encompasses the effects of surrounding surfaces and their temperatures, providing a more comprehensive understanding of how we perceive heat. By taking into account the mean radiant temperature, we can make informed decisions in architecture, HVAC design, and even outdoor event planning, ultimately enhancing comfort and performance in our daily lives.

理解平均辐射温度的概念在各个领域中至关重要,特别是在环境科学和建筑设计中。平均辐射温度(MRT)是一个度量,表示围绕一个人的所有表面温度的平均值,按其视角因子加权。这意味着它不仅考虑空气温度,还考虑墙壁、窗户和其他表面的温度,这些都可以影响一个人在特定环境中的温暖或凉爽感。在实际应用中,平均辐射温度在热舒适评估中起着至关重要的作用。例如,在一个高天花板和大窗户的房间里,空气温度可能很舒适,但如果墙壁很冷,而阳光透过窗户照射进来造成显著的温差,那么整体的热感觉可能会截然不同。因此,理解MRT可以帮助建筑师和工程师创造更舒适的生活和工作空间。此外,平均辐射温度在气候变化较大的地区尤为相关。在这样的地区,建筑需要设计得以最小化在寒冷月份的热损失,并减少在温暖月份的热增益。通过计算平均辐射温度,设计师可以优化绝缘、窗户位置和遮阳策略,以提高能源效率和舒适度。此外,平均辐射温度在HVAC(供暖、通风和空调)领域也至关重要。HVAC系统旨在维持舒适的室内环境,而理解MRT有助于更好地控制供暖和制冷系统。例如,在一个有辐射供暖的空间中,地板的温度可能远高于上方的空气温度。了解平均辐射温度有助于调整HVAC系统的设置,以确保居住者感到舒适而不浪费能源。在体育和户外活动中,平均辐射温度也发挥着重要作用。运动员和户外活动的参与者需要了解周围环境如何影响他们的体温。阳光、风和湿度等因素都会影响平均辐射温度,进而影响表现和安全性。例如,阳光明媚的日子里,晴朗的天空可能会显著提高MRT,从而导致运动员增加热应激。总之,平均辐射温度是一个关键参数,影响我们在各种环境中的热舒适感。它包括周围表面及其温度的影响,提供了我们感知热量的更全面的理解。通过考虑平均辐射温度,我们可以在建筑、HVAC设计乃至户外活动规划中做出明智的决策,最终提高我们日常生活中的舒适度和表现。

相关单词

radiant

radiant详解:怎么读、什么意思、用法

temperature

temperature详解:怎么读、什么意思、用法