
Going Green with Solar Energy
Solar Energy is a green way of producing electrical energy. As the source is renewable it is one of the most effective methods to generate power for household as well as commercial uses.
Solar energy can be obtained as two types. These are active and passive energies. Active solar energy is a combination of the heat and light of the sun. The technology involved in this process is same as those photovoltaic cells. These cells convert sunlight into DC electricity. It can be used in any climate if sunlight is available. Active solar energy which uses the photovoltaic cells have very little carbon footprints. This power can be used to create electricity or heat water.
Passive Solar Energy is the energy obtained by the use of only the heat energy from the sun. This direct heat energy can be used to dry out clay bricks, groceries, clothes, and for other day to day activities. Passive solar energy can be utilized well in homes which are constructed in an environment friendly manner. Use of heat absorbing materials in the home keeps the rooms warm and cozy. Ventilating the house properly and installing glass instead of wooden window shields can bring in more sunlight and thus save on electricity bills. Passive Solar Energy also has no carbon footprints.
So you can make use of the solar energy to save on electricity bills as well as live an environment friendly life. To produce active solar energy you will have to install solar panels.
Frequently Asked Questions
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QUESTION:
Which of the following would be a feature included in a home being built using passive solar energy features?
Which of the following would be a feature included in a home being built using passive solar energy features?a. tile floors
b. photovoltaic cells
c. solar panels
d. natural gas furnace-
ANSWER:
a. tile floors to absorb day time sun/heat
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QUESTION:
Can some one explain to the minions the difference between active and passive solar energy?
I've been to green living enviromental etc...theres some really strange people thinking that all solar energy is bad.Help the ignorant please.
anything you want it to be from your spelling.-
ANSWER:
Why does anyone think any solar energy is bad (did they get a sunburn?). Anyway, I think the difference between active and passive solar energy is that passive solar energy is the absorption of the heat from sunlight to heat space in a house, pre-heat water going into water heaters or heating pool water. Active solar would be solar panels that generates electricity, etc. I'm not positive, but that may be the difference.
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QUESTION:
What is the difference between Passive Solar energy and Active Solar energy?
In terms of how solar cells work.Thank you
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ANSWER:
Passive systems use no mechanical pumps, Active systems require them. Has nothing to do with the way your house faces the sun..
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QUESTION:
What is the numerical energy efficiency for wind energy, passive solar energy, and active solar energy?
Help!!!-
ANSWER:
Wind power companies like to claim ~35% efficiency with their systems but the best recorded in operation is a maximum of 20%
Solar panels are incredibly inefficient with efficiency ratings of less than 2% of energy emitted adsorbed into energy.
Ambient /Reflective solar energy systems believe it or not are more efficient around 10% in adsorbing energy but the turbines used to turn the energy into electricity are only around 20% efficient so the number is only 2%The trick with solar is to use the energy collected by the reflectors for heating something to get the efficiency of the heat created. that's why they make good water heaters.
By the way gas and diesel piston engines are only 20 to 30 % efficiency, Gas turbine engines are around 50% but if used as a co-gen unit where both the engine created energy and heat are utilized their efficiencies go into the 90% level.
It's part of the reason gas turbine power plants are so comon.
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QUESTION:
how to measure the effects of active and passive solar energy systems?-
ANSWER:
I think the following articles have provided a clear indication of active and passive energy systems. By reading these, I can assure you can understand how to measure the active and passive solar energy systems.
http://www.esru.strath.ac.uk/EandE/Web_sites/01-02/RE_info/active_solar.htm
http://www.azsolarcenter.com/arizona/modules/passive.html
http://en.wikipedia.org/wiki/Passive_solar_heating
http://www.ces.purdue.edu/extmedia/AE/AE-99.html
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