hour angle of true sun

简明释义

真太阳时角

英英释义

例句

1.In navigation, sailors use the hour angle of true sun to calculate their position at sea.

在航海中，水手使用太阳真时角来计算他们在海上的位置。

2.The hour angle of true sun changes throughout the day, affecting shadows and light intensity.

随着一天的推移，太阳真时角会变化，影响阴影和光强度。

3.The hour angle of true sun is essential for determining the solar altitude angle.

计算太阳高度角时，太阳真时角是必不可少的。

4.Understanding the hour angle of true sun is crucial for accurate solar panel alignment.

理解太阳真时角对于准确的太阳能板对齐至关重要。

5.The astronomer calculated the hour angle of true sun to determine the exact time of solar noon.

天文学家计算了太阳真时角以确定太阳正午的确切时间。

作文

The concept of the hour angle of true sun is essential in understanding solar position and its implications for various fields, including astronomy, meteorology, and solar energy. The hour angle of true sun refers to the measure of time since solar noon, expressed in degrees. It is calculated as 15 degrees per hour, indicating the apparent movement of the sun across the sky. This concept is crucial because it helps us determine the sun's position at any given time of the day, which can significantly impact activities such as farming, architecture, and renewable energy generation.To grasp the significance of the hour angle of true sun, one must first understand how the sun moves throughout the day. At solar noon, the sun reaches its highest point in the sky, and the hour angle of true sun is zero degrees. As time progresses, the sun appears to move westward, increasing the hour angle. For instance, one hour after solar noon, the hour angle would be 15 degrees, and two hours later, it would be 30 degrees. This continuous change in the sun's position affects the amount of sunlight that reaches the Earth's surface, which in turn influences temperature, weather patterns, and energy production.In solar energy applications, the hour angle of true sun plays a vital role in optimizing the orientation and tilt of solar panels. By knowing the hour angle, engineers and designers can calculate the optimal angle for solar panels to maximize their exposure to sunlight throughout the day. This optimization is crucial for enhancing the efficiency of solar energy systems, ensuring that they capture as much solar radiation as possible.Moreover, the hour angle of true sun is also significant in agriculture. Farmers rely on the sun's position to determine the best times for planting, watering, and harvesting crops. Understanding the hour angle allows them to predict sunlight availability, which is critical for plant growth and development. For example, certain crops may require more sunlight during specific hours of the day, and farmers can use this information to schedule their activities accordingly.Additionally, the hour angle of true sun has implications for climate studies. Researchers analyze the sun's position to understand seasonal changes and their effects on ecosystems. By studying the hour angle, scientists can gain insights into how different species respond to variations in sunlight, ultimately contributing to our understanding of biodiversity and conservation efforts.In conclusion, the hour angle of true sun is a fundamental concept that intersects with various disciplines, from energy production to agriculture and environmental science. Its importance cannot be overstated, as it provides valuable information that aids in planning and decision-making processes. As we continue to face challenges related to climate change and sustainable development, understanding the hour angle of true sun will be increasingly important for creating effective strategies that harness the power of the sun while preserving our planet.

“真太阳时角”这一概念在理解太阳位置及其对天文学、气象学和太阳能等多个领域的影响时至关重要。“真太阳时角”是指自太阳正午以来的时间度量，以度为单位表示。它的计算方式是每小时15度，表示太阳在天空中的表观运动。理解“真太阳时角”非常重要，因为它帮助我们确定太阳在一天中任何给定时刻的位置，这对农业、建筑和可再生能源发电等活动有着重要影响。要掌握“真太阳时角”的重要性，首先必须理解太阳在一天中的运动方式。在太阳正午时，太阳达到天空中的最高点，此时“真太阳时角”为零度。随着时间的推移，太阳似乎向西移动，时角逐渐增加。例如，在太阳正午后一个小时，时角为15度，两个小时后则为30度。这种太阳位置的持续变化影响了到达地球表面的阳光量，进而影响温度、天气模式和能源生产。在太阳能应用中，“真太阳时角”在优化太阳能电池板的方向和倾斜度方面发挥着至关重要的作用。通过了解时角，工程师和设计师可以计算出太阳能电池板在一天中最大限度地接收阳光的最佳角度。这种优化对于提高太阳能系统的效率至关重要，确保它们捕获尽可能多的太阳辐射。此外，“真太阳时角”在农业中也具有重要意义。农民依赖太阳的位置来确定种植、浇水和收获作物的最佳时间。理解时角使他们能够预测阳光的可用性，这对植物的生长和发育至关重要。例如，某些作物可能在一天中的特定时段需要更多阳光，农民可以利用这些信息来相应安排他们的活动。此外，“真太阳时角”在气候研究中也有重要意义。研究人员分析太阳的位置，以理解季节变化及其对生态系统的影响。通过研究时角，科学家可以深入了解不同物种如何响应阳光的变化，从而为我们理解生物多样性和保护工作做出贡献。总之，“真太阳时角”是一个基本概念，涉及多个学科，从能源生产到农业和环境科学。其重要性不容小觑，因为它提供了有价值的信息，有助于规划和决策过程。随着我们继续面临与气候变化和可持续发展相关的挑战，理解“真太阳时角”将变得越来越重要，以便制定有效的策略，利用太阳的力量，同时保护我们的星球。