heat radiation

简明释义

热辐射

英英释义

Heat radiation refers to the transfer of thermal energy in the form of electromagnetic waves, primarily in the infrared spectrum, without requiring a medium.

热辐射是指以电磁波的形式(主要是在红外光谱中)传递热能的过程,不需要介质。

例句

1.Infrared cameras can detect heat radiation 热辐射 emitted by warm objects.

红外线相机可以检测到温暖物体发出的热辐射热辐射

2.The greenhouse effect is partly due to trapped heat radiation 热辐射 in the atmosphere.

温室效应部分是由于大气中被困的热辐射热辐射

3.In a fireplace, heat radiation 热辐射 is responsible for warming the surrounding room.

在壁炉中,热辐射热辐射负责加热周围的房间。

4.The sun emits a significant amount of heat radiation 热辐射, which warms the Earth.

太阳发出大量的热辐射热辐射,使地球变暖。

5.During the night, heat radiation 热辐射 from the ground causes temperatures to drop.

夜间,来自地面的热辐射热辐射导致气温下降。

作文

Heat is a form of energy that can be transferred from one object to another. One of the primary ways this transfer occurs is through heat radiation, which is the emission of energy in the form of electromagnetic waves. This process is essential for various natural phenomena and has significant implications in our daily lives. In essence, heat radiation refers to the transfer of thermal energy without the need for a medium, such as air or water. Unlike conduction and convection, which require direct contact or movement of fluids, heat radiation can occur even in the vacuum of space.The most familiar example of heat radiation is the warmth we feel from the sun. The sun emits energy in the form of electromagnetic waves, which travel through the vacuum of space and reach the Earth, providing the necessary heat for life. This process demonstrates how heat radiation plays a crucial role in maintaining the Earth's temperature and supporting ecosystems.In addition to natural occurrences, heat radiation is also utilized in various technologies. For instance, infrared heaters operate by emitting heat radiation that warms objects directly rather than heating the surrounding air. This efficiency makes them popular in both residential and industrial settings. Moreover, thermal imaging cameras detect heat radiation emitted by objects, allowing us to visualize temperature differences. This technology is widely used in fields such as building inspections, firefighting, and medical diagnostics.Understanding heat radiation is also vital in addressing environmental concerns. The greenhouse effect, for example, is a result of certain gases in the atmosphere trapping heat radiation emitted by the Earth. This phenomenon is crucial for sustaining life but can lead to global warming when exacerbated by human activities. By studying heat radiation, scientists can develop strategies to mitigate climate change and promote sustainability.Furthermore, heat radiation plays a significant role in energy efficiency. Insulation materials are designed to minimize the loss of heat radiation from buildings, reducing the need for excessive heating or cooling. By improving insulation, we can conserve energy and reduce our carbon footprint. Understanding how heat radiation works allows architects and engineers to design more energy-efficient buildings, contributing to a more sustainable future.In conclusion, heat radiation is a fundamental concept in thermodynamics with wide-ranging applications in nature and technology. From the warmth of the sun to innovative heating solutions and environmental science, heat radiation is an essential aspect of our world. By deepening our understanding of this phenomenon, we can harness its benefits while mitigating its impacts on our environment. As we continue to explore the complexities of energy transfer, the study of heat radiation will undoubtedly remain a critical area of research and application.

热是一种能量形式,可以从一个物体转移到另一个物体。转移的主要方式之一是通过热辐射,即以电磁波的形式发射能量。这个过程对各种自然现象至关重要,并对我们的日常生活产生重大影响。基本上,热辐射指的是热能的转移,而不需要像空气或水这样的介质。与需要直接接触或流体运动的传导和对流不同,热辐射甚至可以在真空中发生。最熟悉的热辐射例子是我们从太阳感受到的温暖。太阳以电磁波的形式发射能量,这些波穿过太空的真空并到达地球,为生命提供必要的热量。这个过程展示了热辐射在维持地球温度和支持生态系统方面的重要作用。除了自然现象,热辐射还被用于各种技术中。例如,红外加热器通过发射热辐射直接加热物体,而不是加热周围的空气。这种高效性使它们在住宅和工业环境中都很受欢迎。此外,热成像摄像机检测物体发出的热辐射,使我们能够可视化温度差异。这项技术在建筑检查、消防和医学诊断等领域广泛应用。理解热辐射在解决环境问题方面也至关重要。温室效应就是一个例子,它是由于大气中的某些气体捕获地球发出的热辐射所造成的。这个现象对于维持生命至关重要,但当人类活动加剧时可能导致全球变暖。通过研究热辐射,科学家可以制定减缓气候变化和促进可持续发展的策略。此外,热辐射在能效方面也发挥着重要作用。绝缘材料旨在最小化建筑物中热辐射的损失,从而减少过度加热或冷却的需求。通过改善绝缘,我们可以节约能源,减少碳足迹。理解热辐射的工作原理使建筑师和工程师能够设计出更具能效的建筑,促进更加可持续的未来。总之,热辐射是热力学中的一个基本概念,在自然和技术中具有广泛的应用。从太阳的温暖到创新的加热解决方案以及环境科学,热辐射是我们世界的一个重要方面。通过加深对这一现象的理解,我们可以利用其好处,同时减轻其对环境的影响。随着我们继续探索能量转移的复杂性,热辐射的研究无疑将仍然是一个关键的研究和应用领域。

相关单词

heat

heat详解:怎么读、什么意思、用法