Lab manual

Question 1

Wavelength of maximum energy emittance

Answer 1

λmax = (2897μm·K)/ T

• remember to convert temp to K

Question 2

How to turn °C into K

Answer 2

K = °C + 273.15

Question 3

Solar noon

Answer 3

time of the day when the solar elevation is greatest. Sun is at its highest position in the sky

• Solar Azimuth will be 180° north of tropic of cancer
• Solar azimuth will be 0° south of topic of capricorn

Question 4

Solar declination

Answer 4

Latitude of the sub-solar point

Question 5

Perihelion

Answer 5

January 3rd

Question 6

Aphelion

Answer 6

July 4th

Question 7

Calculating solar noon

Answer 7

90° - lat + solar declination

Question 8

Extra-terrestrial irradiance formula

Answer 8

(Kext)

Eo is the eccentricity correction factor, sol is the solar elevation

Question 9

QH

Answer 9

sensible heat