Podcast
Questions and Answers
What is the solar declination?
What is the solar declination?
The angle formed between the plane of the equator and a line drawn from the center of the sun to the center of the earth.
When is the declination angle equal to 0 degrees?
When is the declination angle equal to 0 degrees?
Only at the spring and fall equinoxes.
Define altitude angle in relation to the sun's position.
Define altitude angle in relation to the sun's position.
The altitude angle is the angle between the sun and the local horizon directly beneath the sun.
How is azimuth angle defined with respect to the sun?
How is azimuth angle defined with respect to the sun?
What does the seasonal variation of the declination angle refer to?
What does the seasonal variation of the declination angle refer to?
What is the term used to describe the sun's apparent location in the sky east or west of true south?
What is the term used to describe the sun's apparent location in the sky east or west of true south?
What does the altitude angle of the sun define?
What does the altitude angle of the sun define?
How does the azimuth angle of the sun define its position in the horizon?
How does the azimuth angle of the sun define its position in the horizon?
What phenomenon causes the length of the day and night to vary depending on the time of the year and the location's latitude?
What phenomenon causes the length of the day and night to vary depending on the time of the year and the location's latitude?
When does the shortest solar day typically occur for places in the northern hemisphere?
When does the shortest solar day typically occur for places in the northern hemisphere?
Define solar declination.
Define solar declination.
Explain the seasonal variation of declination angle.
Explain the seasonal variation of declination angle.
What is the altitude angle in the context of solar energy?
What is the altitude angle in the context of solar energy?
Define azimuth angle as related to solar position calculation.
Define azimuth angle as related to solar position calculation.
How is solar insolation calculated using solar irradiance and time?
How is solar insolation calculated using solar irradiance and time?
Define solar declination.
Define solar declination.
Explain the seasonal variation of declination angle.
Explain the seasonal variation of declination angle.
What is altitude angle in relation to solar radiation?
What is altitude angle in relation to solar radiation?
Define azimuth angle in the context of solar position calculation.
Define azimuth angle in the context of solar position calculation.
How is solar position calculated based on altitude and azimuth angles?
How is solar position calculated based on altitude and azimuth angles?
What is the significance of the solar window in the context of solar energy?
What is the significance of the solar window in the context of solar energy?
What is the relationship between the tilt angle of a PV module and the latitude?
What is the relationship between the tilt angle of a PV module and the latitude?
Explain the significance of solstices and equinoxes in relation to solar energy generation.
Explain the significance of solstices and equinoxes in relation to solar energy generation.
How does the distance between the Earth and the Sun vary throughout the year?
How does the distance between the Earth and the Sun vary throughout the year?
What causes the seasonal variation in the solar declination angle?
What causes the seasonal variation in the solar declination angle?
Define solar declination.
Define solar declination.
Explain the seasonal variation of declination angle.
Explain the seasonal variation of declination angle.
What is the altitude angle in relation to solar position calculation?
What is the altitude angle in relation to solar position calculation?
Define azimuth angle in the context of solar position calculation.
Define azimuth angle in the context of solar position calculation.
How is solar position calculated using solar declination, altitude angle, and azimuth angle?
How is solar position calculated using solar declination, altitude angle, and azimuth angle?
Explain the concept of solar declination.
Explain the concept of solar declination.
How does the seasonal variation of the declination angle impact solar radiation?
How does the seasonal variation of the declination angle impact solar radiation?
Define altitude angle in relation to solar radiation.
Define altitude angle in relation to solar radiation.
Explain how the azimuth angle is defined with respect to the sun.
Explain how the azimuth angle is defined with respect to the sun.
How is solar position calculated using solar radiation components?
How is solar position calculated using solar radiation components?
What is the formula to calculate global solar radiation?
What is the formula to calculate global solar radiation?
Describe the concept of air mass (AM) in solar radiation.
Describe the concept of air mass (AM) in solar radiation.
How does the amount of solar radiation reaching the Earth's surface vary with the air mass value?
How does the amount of solar radiation reaching the Earth's surface vary with the air mass value?
Explain the significance of the sun's altitude in solar energy generation.
Explain the significance of the sun's altitude in solar energy generation.
How do atmospheric filters like the atmosphere and oceans affect solar radiation?
How do atmospheric filters like the atmosphere and oceans affect solar radiation?
