Solar Energy Physics (student preso)

Solar Energy

Peerada, Sahapat, Watsuwach, Carl

MUIC ICPY211Trimester 1st 2009-2010

What is solar energy?

� Solar energy is a radiant energy that is produced by the sun.

Facts about Solar Energy Usage

� Solar Energy is measured in kilowatt-hour. 1 kilowatt = 1000 watts.

� 1 kilowatt-hour (kWh) = the amount of electricity required to burn a 100 watt light bulb for 10 hours.

� About 30% of our total energy consumption is used to heat water.

Usages

� Solar hot water� Solar furnace� Solar cell

Advantages

� Free energy� No pollution� Renewable resources� Unlimited resources

Disadvantages

� Low efficiency: 10-20% conversion

� High cost– storage

� Can use only in daytime

Task List

� Peerada: Powerpoint� Sahapat: Research� Watsuwach: Research� Carl: Research

References

� http://www.freesolaronline.com/� http://www.engineeringchallenge.org� http://www.facts-about-solar-

energy.com/facts-about-solar-energy.html