sustainable building systems by: justin kramer
TRANSCRIPT
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SUSTAINABLE SUSTAINABLE BUILDING SYSTEMSBUILDING SYSTEMS
By: Justin Kramer
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Off-Grid Zero Emissions Building(OGZEB)
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What is the OGZEB??
• Platinum Green– Water Efficient– Sustainable Site– Materials– Indoor Air
Quality– Energy
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Energy Efficiency
Source: Daniel Kammen, UC Berkeley, ER 100 Lecture 1, Fall 2005
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Energy Efficiency
Energy Consumption by Application
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•Building Efficiency– Structural
Insulated Panels
• Consumer Efficiency– HVAC– Water Heater – Lighting
Energy Efficiency
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$116/barrel inApril 2008
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Energy Production
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$116/barrel inApril 2008
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$116/barrel inApril 2008
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• Photovoltaic Panels– First Generation– 6 kW Array– 500 sqft
• Solar Thermal– 120 sqft Collector– 300 gallon tank
www.solarenergy.com
Energy Collection
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Energy Storage
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Electrolyzer Fuel Cell
H 2OH 2O
H 2H 2H 2
H 2 H 2
H 2H 2
O
Energy Storage
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H 2H 2H 2
H 2 H 2
H 2H 2
Energy StorageThermal
O
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Energy Consumers
Energy Consumption by Application
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Energy Storage
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Hydrogen Properties
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Combustion Properties
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Premixing Properties
No Premixing
50% Premixing
100%Premixing
NoPremixing
<- - - - - - - - -Propane - - - - - - - - -> Hydrogen
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Hydrogen Properties
Experimental Setup
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Temperature Gradient Setup
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Gradient Profile:135 Degrees1.25 psig
Temperature Gradient Analysis
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Gradient Profile:135 Degrees1.25 psig
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Gradient Profile:135 Degrees1.25 psig
Z=0 Z=0.5 z=1
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Gradient Profile:135 Degrees1.25 psig
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Hydrogen Retrofits
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Solaire Grill
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Solaire Burner
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Burner Considerations
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Hydrogen Burner
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Thermocouple Plate
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Rinnai Water Heater
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Rinnai Burner
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Burner Considerations
135 Degrees 180 Degrees
Both at0.5 psig
Both have a 0.0156 inDiameterOrifice
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Hydrogen Burner
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Hydrogen Burner Testing
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Hydrogen Burner Results
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Hydrogen Burner Results
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Hydrogen Burner Results
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Hydrogen Burner Results
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Hydrogen Safety
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University of Miami TestBy: Dr. M. Swain
Hydrogen vs. Gasoline
0 sec
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University of Miami TestBy: Dr. M. Swain
Hydrogen vs. Gasoline
30 sec
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University of Miami TestBy: Dr. M. Swain
Hydrogen vs. Gasoline
1 min
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University of Miami TestBy: Dr. M. Swain
Hydrogen vs. Gasoline
1min 30 sec
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University of Miami TestBy: Dr. M. Swain
Hydrogen vs. Gasoline
2min 20 sec
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Conclusion/QuestionsConclusion/Questions
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mdot Qdot Burners .25 psi .5 psi .25 psi .5 psi
4 8.31E-06 1.17E-05 1.01E+03 1.42E+036 1.25E-05 1.76E-05 1.51E+03 2.13E+03
10 2.08E-05 2.94E-05 2.51E+03 3.55E+0314 2.91E-05 4.11E-05 3.52E+03 4.97E+0318 3.74E-05 5.28E-05 4.52E+03 6.39E+0320 4.15E-05 5.87E-05 5.03E+03 7.10E+0324 4.98E-05 7.04E-05 6.03E+03 8.52E+0328 5.81E-05 8.22E-05 7.04E+03 9.94E+0332 6.65E-05 9.39E-05 8.04E+03 1.14E+0434 7.06E-05 9.98E-05 8.54E+03 1.21E+0438 7.89E-05 1.12E-04 9.55E+03 1.35E+0442 8.72E-05 1.23E-04 1.06E+04 1.49E+0446 9.55E-05 1.35E-04 1.16E+04 1.63E+0448 9.97E-05 1.41E-04 1.21E+04 1.70E+0452 1.08E-04 1.53E-04 1.31E+04 1.85E+04
mdot Qdot Pressure 0.0156 0.024 0.0156 0.024
0.25 2.08E-06 4.20E-06 2.52E+02 5.08E+020.50 2.94E-06 6.95E-06 3.55E+02 8.41E+020.75 3.59E-06 8.50E-06 4.35E+02 1.03E+031.00 4.15E-06 9.81E-06 5.02E+02 1.19E+031.25 4.63E-06 1.10E-05 5.61E+02 1.33E+03
Density
Propane 1.91 kg/m3
Natural Gas 0.68 kg/m3
Hydrogen 0.085 kg/m3
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Error
The error in the data was ± 0.5 C for the thermocouples, ± 0.1 C for the thermistor and ± 0.0092 psi for the pressure transducer.