radiating surface

简明释义

散热面

英英释义

例句

1.The radiating surface of the heater warms up the room efficiently.

加热器的辐射表面有效地使房间变暖。

2.The heat from the stove is transferred through its radiating surface.

炉子的热量通过其辐射表面传递。

3.Engineers must calculate the area of the radiating surface for proper heat dissipation.

工程师必须计算辐射表面的面积以确保适当的散热。

4.The radiating surface of the cooling tower helps in lowering the temperature of water.

冷却塔的辐射表面有助于降低水温。

5.In solar panels, the radiating surface absorbs sunlight to generate electricity.

在太阳能电池板中，辐射表面吸收阳光以产生电力。

作文

In the study of physics, particularly in thermodynamics and heat transfer, the concept of a radiating surface is of paramount importance. A radiating surface refers to any surface that emits thermal radiation, which is the process by which energy is emitted as electromagnetic waves due to the temperature of the object. This phenomenon can be observed in everyday life, such as when we stand near a campfire or a heater and feel warmth radiating towards us. Understanding how radiating surfaces work is crucial for engineers and scientists who design heating systems, insulation materials, and energy-efficient buildings.The effectiveness of a radiating surface is determined by several factors, including its temperature, surface area, and emissivity. Emissivity is a measure of how effectively a surface emits thermal radiation compared to a perfect black body, which has an emissivity of 1. For instance, a shiny metal surface has a low emissivity and therefore does not radiate heat effectively, while a rough, dark surface has a high emissivity and is more efficient at emitting thermal energy. This principle is why many cooking utensils are made from materials with high emissivity, allowing them to heat food more efficiently.Moreover, the concept of radiating surfaces extends beyond simple heating applications. In the field of astronomy, celestial bodies such as stars can be considered as massive radiating surfaces that emit light and heat into space. The Sun, for example, is a gigantic ball of plasma that radiates energy across the solar system, providing the necessary warmth and light that sustains life on Earth. Understanding the properties of these radiating surfaces helps astronomers calculate distances, temperatures, and compositions of stars and planets.In engineering, the design of radiating surfaces plays a critical role in the efficiency of heat exchangers, radiators, and cooling systems. For instance, in a car's radiator, the surface area is maximized to enhance the heat dissipation from the engine coolant to the surrounding air. By increasing the number of fins or using materials with higher thermal conductivity, engineers can create more effective radiating surfaces, leading to better performance and reduced energy consumption.Furthermore, in the context of environmental science, radiating surfaces also relate to climate change studies. The Earth's surface absorbs solar radiation and re-emits it as infrared radiation. Changes in land use, deforestation, and urbanization can alter the characteristics of these radiating surfaces, affecting local and global temperatures. Understanding these interactions is vital for developing strategies to mitigate climate change and promote sustainability.In conclusion, the concept of a radiating surface is integral to various fields, from physics and engineering to astronomy and environmental science. By comprehensively understanding how radiating surfaces function, we can improve technology, enhance our knowledge of the universe, and address pressing environmental issues. As we continue to explore these concepts, it becomes increasingly clear that the study of radiating surfaces is not just an academic pursuit but a practical necessity in our quest for a sustainable future.

在物理学的研究中，特别是在热力学和热传递领域，辐射表面的概念至关重要。辐射表面是指任何发出热辐射的表面，热辐射是指由于物体温度而以电磁波的形式发出的能量。这一现象在日常生活中可以观察到，例如，当我们站在篝火或加热器旁时，感受到向我们辐射的温暖。理解辐射表面的工作原理对于设计供暖系统、绝缘材料和节能建筑的工程师和科学家来说至关重要。辐射表面的有效性取决于多个因素，包括其温度、表面积和发射率。发射率是衡量表面发出热辐射的有效性与完美黑体（发射率为1）相比的指标。例如，光滑的金属表面具有低发射率，因此不有效地辐射热量，而粗糙的深色表面具有高发射率，更有效地发出热能。这一原理也是为什么许多炊具由具有高发射率的材料制成，使它们能够更有效地加热食物。此外，辐射表面的概念超出了简单的加热应用。在天文学领域，天体如恒星可以被视为巨大的辐射表面，向太空发出光和热。例如，太阳是一个巨大的等离子体球，向太阳系辐射能量，为地球上的生命提供所需的温暖和光。理解这些辐射表面的特性有助于天文学家计算恒星和行星的距离、温度和组成。在工程领域，辐射表面的设计在热交换器、散热器和冷却系统的效率中起着关键作用。例如，在汽车的散热器中，表面积被最大化，以增强发动机冷却液向周围空气的热散失。通过增加翅片数量或使用导热性更高的材料，工程师可以创建更有效的辐射表面，从而提高性能并减少能耗。此外，在环境科学的背景下，辐射表面也与气候变化研究相关。地球表面吸收太阳辐射并重新以红外辐射的形式发射。土地利用变化、森林砍伐和城市化可能会改变这些辐射表面的特征，从而影响局部和全球温度。理解这些相互作用对制定减缓气候变化和促进可持续发展的策略至关重要。总之，辐射表面的概念在物理学、工程学、天文学和环境科学等多个领域中都是不可或缺的。通过全面理解辐射表面的功能，我们可以改善技术，增强对宇宙的认知，并应对紧迫的环境问题。随着我们继续探索这些概念，越来越清楚的是，研究辐射表面不仅仅是一项学术追求，而是我们追求可持续未来的实际必要性。