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Transcript of Thermoelectric Power
produced through heat by some
mechanical means; either with the
motion of a piston or a turbine What is Thermoelectric power? THE END :D What is the most bountiful resource on earth? HEAT How was Thermoelectric power used in the past? NASA was considering using it to power
some of their projects through the use of a Stirling
engine but decided to use other methods instead how is it being applied today? we use heat in many ways throughout our daily lives... ...and the use of heat as a resource in many ways as well we must go deeper... there are actually Stirling engines being developed today for commercial use On top of this, more powerful and more useful means of collecting solar energyare being developed What are the forms of heat energy? Solar can be used to create thermoelectricity, as well as; coal, waste/energy plants, and nuclear fission/fusion Our Sources: http://www.ted.com/talks/bill_gross_on_new_energy.html
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19800010288_1980010288.pdf There are also technologies being experimented with that will let us collect Thermoelectric power from body heat. They use parabolic reflective surfaces to concentrate the sun's rays What are the pros and cons of this resource? PROS:
- Thermoelectric power is renewable and will never run out
- Some sources like the sun and heat from your body are completely free to use, and the systems for collecting both will pay for themselves in just a few years
- You can collect thermoelectric in any plant, such as nuclear fission/fusion facilities and coal burning plants
-can be made more efficient with the use of a Stirling engine instead of the steam-powered generator CONS:
- Some fuel sources, like coal and natural gas are harmful to the environment Yes we did use NASA How does a Stirling Engine Work differently from other heat engines? The Stirling Engine works by using heated air to propel a piston just like any other heat engine.
while similar systems require more heat to create more power, Stirling's system has heat sponges that trap the excess and is added to the heat being created from the fuel source, which increases the power being made without using more fuel Most of these processes use some sort of heat engine to change heat into electricity What is a heat engine? Heat engines are mechanical devices that take heat and make it into a useable form of energy, usually through the motion of a piston or the turning of a turbine