Transcript Marsh to Coal - Hopkinton School District

Energy Transformation
Project!
By: Cydonia Hubicki,
Evan Schindewolf,and Austin Brehio
Marsh Tree Stage
-Light-inducer
-Energy-induced processes of the Chlorophyll
-Recycling of nutrients
-Sedimentation
Coal
-Coal
-Components - H, C, S, O, N
-Carboniferous Period
-Plant vegetation, heat, pressure and time
http://www.youtube.com/watch?v=MBeXRRTGjNE&feature=related
formation
- coal
Types of Coal
-Separate Categories of Coal - Carbon %
-Peat
-Coal:
-Lignite
-Sub-bituminous
-Bituminous
-Anthracite
-Graphite
Mining for Coal
-Mines found on every continent
-Typical mining styles
-Surface mining
-Underground mining
-Long-wall mining
-Conventional mining
-Fun Facts:
-Recorded world consumption
-Estimated amount
-Greatest supplier
-Transported to power plants
At the Power Plant
-Stage 1: Boiler
• coal is burnt in a furnace
heat
• air is delivered
• coal's carbon and air's oxygen
-Stage 2: Thermodynamic Process
• heat boils water producing steam
• steam spins turbine
• impulse and thrust rotate turbine
-Various ways to increase efficiency
-Pollutants = CO2, SO2, NO2
http://www.youtube.com/watch?v=SeXG8K5_UvU - coal to
electricity
Electric Current
-Turbine interacts with series of magnets
-Magnets induce current
-Varying voltage and alternating current
-Transformers raise and lower voltage
-Raised for power lines
-Lowers for household use
-Dispersed to outlets
Outlet to Projector Screen
-Halogen bulb
-Heat melts crystals
-Light passes through
-Pixels
-Primary color pixels
-Projected onto a phosphor coated screen
Marsh Tree to Projector Light
Summary 1
-Marsh trees absorb energy from sun and photosynthesize
-Once dead, decomposers break down the remains and
recirculate nutrients
-Vegetation grows over, and heat and
pressure compact the left over vegitation to form coal
-Coal is mined and transported to a power plant
-It is burned to heat water, which boils
-The steam spins a turbine and forms electric current (by
usage of magnets)
Marsh Tree to Projector Light
Summary 2
-The current goes through another set of transformers
which lower the voltage to go to the outlet
-Electric current is sent to home and building outlets
-Projector is plugged into outlet as well as the computer
-Electric current heats up halogen bulb, melting crystals,
allowing light to pass through
-Electric current in projector projects picture using pixels of
primary colors specified by the computer
-The phosphor coated screen allows light to be reflected off
of it
-Thus producing the image from the projector screen
Citations
www.ehow.com/how-does_4579709_computer-projectors-work.html
http://www.elmhurst.edu/~chm/vchembook/193sources.html
http://www.brighthub.com/engineering/mechanical/articles/18082.aspx
http://www.teachcoal.org/aboutcoal/articles/faqs.html
http://www.universetoday.com/18707/fusion-in-the-sun/
http://www.youtube.com/watch?v=MBeXRRTGjNE&feature=related video 1
http://www.youtube.com/watch?v=SeXG8K5_UvU - video 2
http://www.allaboutcircuits.com/vol_2/chpt_1/1.html