solar constant

简明释义

太阳常数

英英释义

例句

1.The solar constant 太阳常数 varies slightly due to solar activity.

太阳常数 太阳常数由于太阳活动而略有变化。

2.When designing solar panels, engineers must consider the solar constant 太阳常数 for optimal energy capture.

在设计太阳能电池板时，工程师必须考虑太阳常数 太阳常数以实现最佳能量捕获。

3.The average value of the solar constant 太阳常数 is about 1361 watts per square meter.

平均值的太阳常数 太阳常数约为每平方米1361瓦特。

4.Scientists use the solar constant 太阳常数 to estimate solar radiation received at the top of the atmosphere.

科学家使用太阳常数 太阳常数来估算大气顶层接收到的太阳辐射。

5.Understanding the solar constant 太阳常数 is crucial for calculating the Earth's energy balance.

理解太阳常数 太阳常数对于计算地球的能量平衡至关重要。

作文

The concept of the solar constant refers to the amount of solar radiation received per unit area at a distance of one astronomical unit from the Sun, which is approximately 1,496,000 kilometers. This value is crucial for understanding the Earth's energy balance and climate systems. The average value of the solar constant is about 1,366 watts per square meter. This measurement is not static; it can vary slightly due to changes in solar activity, such as sunspots and solar flares, which can affect the total energy output of the Sun.Understanding the solar constant is essential for various scientific fields, including meteorology, climatology, and astronomy. For instance, meteorologists use this value to model weather patterns and predict climate changes. The solar constant serves as a baseline for calculating how much solar energy is available for heating the Earth's surface and atmosphere. The energy from the Sun drives many processes on Earth, including photosynthesis, which is vital for plant life and, consequently, for all terrestrial ecosystems.In addition to its importance in natural sciences, the solar constant has significant implications for renewable energy technologies. Solar panels, for example, are designed to capture and convert solar radiation into electricity. By understanding the solar constant, engineers can optimize the efficiency of solar energy systems, ensuring that they harness as much energy as possible from sunlight. This optimization is vital for increasing the viability of solar power as a sustainable energy source.Furthermore, the solar constant is also a key factor in space exploration. Spacecraft and satellites must account for this constant when designing their power systems, as they operate in an environment where solar radiation is the primary energy source. Understanding variations in the solar constant helps engineers design equipment that can withstand the harsh conditions of space while still effectively utilizing solar energy.The solar constant also plays a role in understanding global warming and climate change. As greenhouse gases trap heat in the Earth's atmosphere, the balance between incoming solar energy and outgoing thermal radiation becomes critical. If the amount of solar energy absorbed by the Earth exceeds the amount radiated back into space, it leads to an increase in global temperatures. Thus, studying the solar constant helps scientists develop models to predict future climate scenarios and assess the potential impacts of human activities on the Earth’s energy balance.In summary, the solar constant is a fundamental parameter that affects everything from weather patterns and climate change to renewable energy technologies and space exploration. Its significance cannot be overstated, as it provides a foundational understanding of how solar energy interacts with our planet. As we move towards a more sustainable future, leveraging the knowledge of the solar constant will be essential for developing effective strategies to harness solar energy and mitigate the impacts of climate change. Therefore, the study of the solar constant continues to be a vital area of research for scientists and engineers alike, highlighting its importance in both theoretical and practical applications.

“太阳常数”这一概念是指在距离太阳一天文单位（约1,496,000公里）处，每单位面积接收到的太阳辐射量。这个数值对于理解地球的能量平衡和气候系统至关重要。“太阳常数”的平均值大约为每平方米1,366瓦特。这个测量值并不是静态的；由于太阳活动（如太阳黑子和太阳耀斑）的变化，它可能会略有波动，这些变化会影响太阳的总能量输出。理解“太阳常数”对气象学、气候学和天文学等多个科学领域至关重要。例如，气象学家使用这个值来模拟天气模式和预测气候变化。“太阳常数”作为计算地球表面和大气中可用太阳能的基准。来自太阳的能量驱动着地球上的许多过程，包括光合作用，这对植物生命至关重要，因此对所有陆地生态系统都至关重要。除了在自然科学中的重要性外，“太阳常数”对可再生能源技术也具有重要意义。例如，太阳能电池板旨在捕获和转换太阳辐射为电力。通过理解“太阳常数”，工程师可以优化太阳能系统的效率，确保它们从阳光中尽可能多地利用能量。这种优化对于提高太阳能作为可持续能源来源的可行性至关重要。此外，“太阳常数”也是理解太空探索的重要因素。航天器和卫星在设计其电力系统时必须考虑这一常数，因为它们在一个太阳辐射是主要能源的环境中运行。了解“太阳常数”的变化有助于工程师设计能够承受太空恶劣条件的设备，同时有效利用太阳能。“太阳常数”在全球变暖和气候变化的理解中也发挥着作用。随着温室气体在地球大气中捕获热量，入射太阳能和辐射回太空的热辐射之间的平衡变得至关重要。如果地球吸收的太阳能量超过辐射回太空的能量，就会导致全球气温上升。因此，研究“太阳常数”有助于科学家开发模型，以预测未来的气候情景，并评估人类活动对地球能量平衡的潜在影响。总之，“太阳常数”是一个基本参数，影响着从天气模式和气候变化到可再生能源技术和太空探索的一切。它的重要性不容小觑，因为它提供了一个基础理解，说明太阳能如何与我们的星球相互作用。随着我们向更可持续的未来迈进，利用对“太阳常数”的知识将对开发有效的太阳能利用策略和减轻气候变化的影响至关重要。因此，“太阳常数”的研究继续成为科学家和工程师的重要研究领域，突显了其在理论和实际应用中的重要性。