radiation temperature

简明释义

辐射温度

英英释义

例句

1.The radiation temperature of a black body is defined as the temperature at which it emits radiation most efficiently.

黑体的辐射温度被定义为它最有效地发射辐射的温度。

2.In thermal imaging, the radiation temperature can help identify heat leaks in buildings.

在热成像中，辐射温度可以帮助识别建筑物中的热泄漏。

3.The radiation temperature of the sun is approximately 5,500 degrees Celsius, which is essential for sustaining life on Earth.

太阳的辐射温度大约是5500摄氏度，这对于维持地球上的生命至关重要。

4.Satellite sensors often measure the radiation temperature of the Earth's surface to monitor climate change.

卫星传感器通常测量地球表面的辐射温度以监测气候变化。

5.We measured the radiation temperature of the surface to assess its emissivity.

我们测量了表面的辐射温度以评估其发射率。

作文

Understanding the concept of radiation temperature is crucial in various fields, including physics, engineering, and environmental science. The term refers to the temperature of an object as determined by the amount of thermal radiation it emits. This concept is particularly relevant when discussing heat transfer and energy balance in systems. In essence, radiation temperature provides insights into how objects interact with their surroundings through electromagnetic radiation, which is a fundamental aspect of thermodynamics.To grasp the importance of radiation temperature, one must first understand the principles of thermal radiation. All objects emit radiation based on their temperature, a phenomenon described by Planck’s law. As an object heats up, it emits more radiation, and its peak emission shifts towards shorter wavelengths. This is why hot objects can glow visibly, such as molten metal or stars in the universe. The radiation temperature is a measure of this emitted radiation, allowing scientists to estimate the actual temperature of distant stars or planets that cannot be measured directly.In practical applications, the concept of radiation temperature is used in various technologies, such as infrared thermography. This technique allows us to visualize the heat emitted by objects, making it possible to detect heat leaks in buildings, monitor electrical equipment, or even assess the health of living organisms. By analyzing the radiation temperature of surfaces, we can make informed decisions regarding energy efficiency and safety.Moreover, understanding radiation temperature is essential for climate science. The Earth’s climate system is influenced by the balance between incoming solar radiation and outgoing thermal radiation. The radiation temperature of the Earth determines how much energy is absorbed from the sun and how much is radiated back into space. Changes in this balance can lead to significant climatic shifts, emphasizing the need for accurate measurements and models that incorporate radiation temperature.In addition to its role in science and technology, radiation temperature has implications for everyday life. For instance, understanding how different materials absorb and emit radiation can inform choices about clothing, insulation, and even the design of vehicles. Materials with high thermal emissivity will have a different radiation temperature compared to those with low emissivity, affecting comfort and energy consumption.In conclusion, the concept of radiation temperature is integral to our understanding of heat transfer, energy balance, and environmental interactions. Its applications span across multiple disciplines, from astrophysics to engineering and climate science. As technology advances, the ability to measure and analyze radiation temperature will continue to provide valuable insights into both natural phenomena and human-made systems. By deepening our understanding of this concept, we can improve our approaches to energy management, environmental protection, and technological innovation.

理解辐射温度的概念在物理学、工程学和环境科学等多个领域至关重要。这个术语指的是通过一个物体发出的热辐射量来确定的物体温度。这个概念在讨论热传递和系统能量平衡时尤为相关。从本质上讲，辐射温度提供了对物体如何通过电磁辐射与其周围环境相互作用的深入见解，这是热力学的基本方面。要理解辐射温度的重要性，首先必须了解热辐射的原理。所有物体根据其温度发出辐射，这一现象是由普朗克定律描述的。当物体加热时，它会发出更多的辐射，其峰值发射会向更短的波长移动。这就是为什么热物体可以发出可见光，例如熔融金属或宇宙中的星星。辐射温度是对这种发射辐射的测量，使科学家能够估计无法直接测量的遥远星星或行星的实际温度。在实际应用中，辐射温度的概念被用于各种技术中，例如红外热成像。这项技术使我们能够可视化物体发出的热量，从而可以检测建筑物的热泄漏、监控电气设备，甚至评估生物体的健康。通过分析表面的辐射温度，我们可以做出关于能源效率和安全性的明智决策。此外，理解辐射温度对于气候科学至关重要。地球的气候系统受到入射太阳辐射和外发热辐射之间平衡的影响。地球的辐射温度决定了从太阳吸收多少能量以及辐射回太空的能量。这个平衡的变化可能导致显著的气候变化，强调了需要准确的测量和包含辐射温度的模型。除了在科学和技术中的作用，辐射温度对日常生活也有影响。例如，理解不同材料如何吸收和发出辐射可以帮助我们选择服装、绝缘材料，甚至车辆设计。具有高热发射率的材料与低发射率的材料将具有不同的辐射温度，影响舒适性和能源消耗。总之，辐射温度的概念对于我们理解热传递、能量平衡和环境相互作用至关重要。它的应用跨越多个学科，从天体物理学到工程学和气候科学。随着技术的进步，测量和分析辐射温度的能力将继续为自然现象和人造系统提供宝贵的见解。通过加深对这一概念的理解，我们可以改善对能源管理、环境保护和技术创新的方式。