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CADD IIICADD IIIG enerating G enerating R enewable R enewable E nergy E nergy E fficiently E fficiently N ow N ow
G.R.E.E.N. Project Itinerary
HistoryHistory• Project Started at the end of the ’08 school year and Project Started at the end of the ’08 school year and
continued over the summer.continued over the summer.•The class started the project to enter a Lemelson The class started the project to enter a Lemelson MIT competition but after continuing into the second MIT competition but after continuing into the second round we were not selected to move on to the next round we were not selected to move on to the next
round. round. •As a class we decided to continue to pursue the As a class we decided to continue to pursue the
project even with the loss of funding.project even with the loss of funding.•Over the school year we have prepared and tested Over the school year we have prepared and tested
many prototypes to implement into the system testing many prototypes to implement into the system testing them in conjunction with the physics class.them in conjunction with the physics class.
•At this time we are ready to go on to create a “real At this time we are ready to go on to create a “real life” model in full scale.life” model in full scale.
General PurposeGeneral Purpose The purpose of this system is to capture The purpose of this system is to capture
wasted energy leaving the house in the wasted energy leaving the house in the form of “brown water” or waste water form of “brown water” or waste water from the toilets, sinks, and showers.from the toilets, sinks, and showers.
The water leaving the system will create The water leaving the system will create energy and be used in the house instead energy and be used in the house instead of energy from a grid.of energy from a grid.
The water leaving the house will be The water leaving the house will be temporarily stored in a large storage tank temporarily stored in a large storage tank before being used in the system.before being used in the system.
The water after being stored will be The water after being stored will be filtered using a specialized filter system filtered using a specialized filter system created especially for this purpose.created especially for this purpose.
After the filter process, the clean water After the filter process, the clean water will be ran through an impeller which will will be ran through an impeller which will create electricity that will supplement create electricity that will supplement electricity in the house. electricity in the house.
General Purpose Cont’d
InfrastructureInfrastructureIn order of use
1. 1. Holding TankHolding Tank - contains all “brown water” from - contains all “brown water” from house.house.
2. 2. FilterFilter - separates - separates solids and liquidssolids and liquids3. 3. Siphon holding tankSiphon holding tank - - uses siphon to create uses siphon to create maximum powermaximum power4. 4. Impeller/GeneratorImpeller/Generator - - Uses falling water to produce energyUses falling water to produce energy5. 5. Catch/Recirculation tankCatch/Recirculation tank - used only for display - used only for display
InfrastructureInfrastructure The infrastructure provides a supportive The infrastructure provides a supportive
layout that allows the water to flow through layout that allows the water to flow through our systemour system
Using gravity the water flows from the top Using gravity the water flows from the top to the bottom of our systemto the bottom of our system
This particular model is still in it’s early This particular model is still in it’s early stages and when placed in a home or stages and when placed in a home or building would be much smaller and building would be much smaller and compactcompact
Infrastructure ImageInfrastructure Image
Holding TankHolding Tank
Beginning or top of systemBeginning or top of system All water that leaves the house will go into All water that leaves the house will go into
this tank.this tank. Provides the system with water to run the Provides the system with water to run the
impeller.impeller.
Holding TankHolding Tank
Funnel SeparatorFunnel Separator Filter:Filter:-Utilizes perforated grate to separate-Utilizes perforated grate to separatelargest solids from water largest solids from water -The water slides through-The water slides through holes in grated funnel holes in grated funnel and leaves out of the sideand leaves out of the side of the drumof the drum-The solids slide around -The solids slide around the funnel, down through the center hole the funnel, down through the center hole
and out the bottom of the drumand out the bottom of the drum
Funnel Separator
Siphon Holding TankSiphon Holding Tank- Stores water in small incrementsStores water in small increments- After water reaches the desired level a plug will lift After water reaches the desired level a plug will lift
and initiate the siphon effect to empty the tank into and initiate the siphon effect to empty the tank into the turbinethe turbine
- Siphon effect creates Siphon effect creates velocity and allows velocity and allows water to push itself water to push itself out of the tank and out of the tank and down to the next down to the next component, the impellercomponent, the impeller
The Siphon Effect As Performed By The Modern Toilet
• Toilet video
Siphon Holding Tank ImageSiphon Holding Tank Image
Impeller and Impeller and GeneratorGenerator
Includes:Includes: An impeller spun by An impeller spun by
the falling water.the falling water. A motor spun by the A motor spun by the
impeller to generate impeller to generate electricity.electricity.
The purpose of this The purpose of this project can only be project can only be
achieved if this part of achieved if this part of the system is the system is
accomplished very accomplished very efficiently. efficiently.
Impeller Impeller Has 9 fins for maximum absorption Has 9 fins for maximum absorption
of energy.of energy. Each fin is cupped or indented so the Each fin is cupped or indented so the
water can exert the most force on it.water can exert the most force on it. Goal is to spin this as fastGoal is to spin this as fast but as efficient possible.but as efficient possible. The Impeller is spun by The Impeller is spun by the falling water and in the falling water and in turn will spin the motor which will turn will spin the motor which will
produce the energy used to run produce the energy used to run the house hold appliances.the house hold appliances.
ImpellerImpeller front viewfront view
Impeller 3D viewImpeller 3D view
Motor/GeneratorMotor/Generator
The motor or generator is spun by The motor or generator is spun by the Impeller previously viewed.the Impeller previously viewed.
The electricity provided by this The electricity provided by this device will be sent or stored in the device will be sent or stored in the house to run devices.house to run devices.
Prototype impeller and generator.Prototype impeller and generator.
A. B.
C. D.
Re-circulating PumpRe-circulating Pump
--Meant for display purposes onlyMeant for display purposes only-The goal here is to create enough power -The goal here is to create enough power
for the system to be self sustainingfor the system to be self sustaining
Project MaterialsProject MaterialsFiberglass matFiberglass mat – to construct the “toilet bowl” – to construct the “toilet bowl”HardenerHardener – for fiber glass – for fiber glassBondoBondo – to give smooth shape and texture to – to give smooth shape and texture to fiberglassfiberglassFoam moldFoam mold – to shape toilet bowl before – to shape toilet bowl before fiberglass applicationfiberglass applicationPVC tubingPVC tubing – to transport water throughout the – to transport water throughout the systemsystem2X4’s2X4’s – for structure and support of the system – for structure and support of the system55 gal drums55 gal drums – to hold the water at various – to hold the water at various pointspointsPlasticPlastic – To mold impeller – To mold impeller