Solar Energy Awareness :
(i) Understand how and how much energy from the sun reaches us at various places and times, and what happens to it. Understand motion of the sun, make the use of instruments to observe / locate Sun’s position – Angular measurement from the horizon and from the true north. Use of household Indian Almanance (Panchang). Make and use a Sundial.
(ii) Know different ways of collecting storing and using Solar energy for getting heat and electricity. Flat Plate and concentrating collectors-use of glass covers, reflectors and lances including fresnel lances. Make working models of atleast two devices-Solar Cookers, Dryers, still (to make distilled water), Oven, Water Heater, Photovoltaic-say battery charger, Lanterns, Pump, T.V. power supply etc. for personal/family use.
(iii) (a) See and be able to explain working of at least three Solar energy installations of different types.
(b) Know how to use Solar Cooker/Water Heater, what can be done and how, with it.
(iv) Know advantages. disadvantages of using Solar Energy. Government and other Organisations who assist/test/manufacture.
Estimated reading time: 1 min
Views: 6112