2.9 A flat-plate collector in Nicosia, Cyprus, is tilted at 40° from horizontal and pointed 10° east of south. Calculate the solar incidence angle on the collector at 10:30 am and 2:30 pm solar times on March 10 and September 10.
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- Calculate the solar angle of incidence on the surface of a south oriented,40 degree inclined PV module at the same time instant located at the same geographical location6Figure 1 shows the front view of a truncated hexagonal prism with a 30 mm base edge and 90 mm long axis resting on HP such that an edge of the base is parallel to VP. Draw the development of its lateral surface. 45 НЕХ Ø5 Figure 1 06
- You have a telescope that consists of two converging lenses which are placed a distance apart which is approximately equal to the sum of their focal lengths. Focal length 1 is appriximatly 5.5cm and focal length 2 is approximatly 25cm. The lens closest to the onject should have a resonably long focal length and the eyepiece lens should have a relatively short focal length to get good magnification. a. draw a scale ray diagram for a telescope using one long and one short focal length lens. b. Estimate how much larger your distance object appears through your telescope and then calculate the angular magnification.3.5m 12.0m 6m -3.5m4) For a long triangular groove shown in figure, calculate viewfactor F12 and F13. a 27 1 32 6
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