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example3.txt
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example3.txt
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# Example 3: Geothermal Combined Heat and Power Problem using a Thermal Drawdown Reservoir Model and BICYCLE Economic Model
# This example problem considers an EGS reservoir at 3.1km depth.
# The heat is used in a combined heat and power topping cycle model with double flash as
# topping cycle and electricity considered as the main product.
# ***Subsurface technical parameters***
# *************************************
Reservoir Model,3, ---m/A Single Fracture Thermal Drawdown
Drawdown Parameter,.00002, ---[kg/s/m2]
Reservoir Depth,3.1, ---[km]
Number of Segments,1, ---[-]
Gradient 1,70, ---[deg.C/km]
Maximum Temperature,400, ---[deg.C]
Number of Production Wells,3, ---[-]
Number of Injection Wells,3, ---[-]
Production Well Diameter,8.5, ---[inch]
Injection Well Diameter,8.5, ---[inch]
Ramey Production Wellbore Model,0, ---Should be 0 (disabled) or 1 (enabled)
Production Wellbore Temperature Drop,5, ---[deg.C]
Injection Wellbore Temperature Gain,3, ---[deg.C]
Production Flow Rate per Well,70, ---[kg/s]
Reservoir Volume Option,1, ---Should be 1 2 3 or 4. See manual for details.
Fracture Shape,1, ---Should be 1 2 3 or 4
Fracture Area,200000, ---[m2]
Number of Fractures,12, ---[-]
Fracture Separation,80, ---[m]
Injectivity Index,5, ---[kg/s/bar]
Injection Temperature,70, ---[deg.C]
Maximum Drawdown,1, ---[-] no redrilling considered
Reservoir Heat Capacity,1000, ---[J/kg/K]
Reservoir Density,3000, ---[kg/m3]
Reservoir Thermal Conductivity,3, ---[W/m/K]
Water Loss Fraction,0.02, ---[-]
# ***Surface Technical Parameters***
# **********************************
End-Use Option,31, ---CHP Topping Cycle with electricity as the main product
Power Plant Type,4, ---Double-Flash
Circulation Pump Efficiency,.80, ---[-]
Utilization Factor,.9, ---[-]
End-Use Efficiency Factor,.9, ---[-]
Surface Temperature,15, ---[deg.C]
Ambient Temperature,15, ---[deg.C]
# ***Financial Parameters***
# **************************
Plant Lifetime,35, ---[years]
Economic Model,3, ---BICYCLE Levelized Cost Model
Fraction of Investment in Bonds,.5, ---[-] Required for BICYCLE model
Inflated Bond Interest Rate,.05, ---[-] Required for BICYCLE model
Inflated Equity Interest Rate,.08, ---[-] Required for BICYCLE model
Inflation Rate,.02, ---[-] Required for BICYCLE model
Combined Income Tax Rate,.3, ---[-] Required for BICYCLE model
Gross Revenue Tax Rate,0, ---[-] Required for BICYCLE model
Investment Tax Credit Rate,0, ---[-] Required for BICYCLE model
Property Tax Rate,0, ---[-] Required for BICYCLE model
Inflation Rate During Construction,0.05, ---[-]
# ***Capital and O&M Cost Parameters***
# *************************************
Well Drilling and Completion Capital Cost Adjustment Factor,1, ---[-] use built in correlations
Well Drilling Cost Correlation,1, ---[-] use built in correlations
Reservoir Stimulation Capital Cost Adjustment Factor,1, ---[-] use built in correlations
Surface Plant Capital Cost Adjustment Factor,1, ---[-] use built in correlations
Field Gathering System Capital Cost Adjustment Factor,1, ---[-] use built in correlations
Exploration Capital Cost Adjustment Factor,1, ---[-] use built in correlations
Wellfield O&M Cost Adjustment Factor,1, ---[-] use built in correlations
Surface Plant O&M Cost Adjustment Factor,1, ---[-] use built in correlations
Water Cost Adjustment Factor,1, ---[-] use built in correlations
Heat Rate,.02, ---[$/kWh]
# ***Simulation Parameters***
# ***************************
Print Output to Console,1, ---Should be 1 (to print) or 0 (to not print)
Time steps per year,10, ---[-]