Quick Answer
Calculate Geothermal Binary Cycle Working Fluid Injection Rate Calculator
Calculator
Result Interpretation
Geothermal Binary Cycle Working Fluid Injection Rate Calculator computes Binary cycle unit injection rate in kg/s using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Heat pump coefficient of performance (for pre-cooling loop) = 3.2
- Geothermal brine thermal power = 4800000
- Binary heat exchanger effectiveness = 0.79
- Enthalpy of liquid at pump outlet = 213800
- Enthalpy of vapor at turbine inlet = 422500
Expected Result:
- Binary cycle unit injection rate = 58.142788691902
Engineering Interpretation:
Under the given input conditions, the calculated result is: Binary cycle unit injection rate = 58.142788691902 kg/s.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
binary cycle unit injection rate = (geothermal brine thermal power * binary heat exchanger effectiveness * for pre-cooling loop) / (enthalpy of vapor at turbine inlet - enthalpy of liquid at pump outlet)Formula family: formula_geothermal_binary_cycle_unit_injection_rate_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Q_brine | Geothermal brine thermal power | INPUT | Geothermal brine thermal power |
| epsilon_hx | Binary heat exchanger effectiveness | INPUT | Binary heat exchanger effectiveness |
| COP_hp | Heat pump coefficient of performance (for pre-cooling loop) | INPUT | Heat pump coefficient of performance (for pre-cooling loop) |
| h_vapor_out | Enthalpy of vapor at turbine inlet | INPUT | Enthalpy of vapor at turbine inlet |
| h_liquid_in | Enthalpy of liquid at pump outlet | INPUT | Enthalpy of liquid at pump outlet |
| binary_cycle_unit_injection_rate | Binary cycle unit injection rate | OUTPUT | Binary cycle unit injection rate |
Calculation Steps
- Enter the geothermal brine thermal power in W.
- Enter the binary heat exchanger effectiveness in 1.
- Enter the heat pump coefficient of performance (for pre-cooling loop) in 1.
- Enter the enthalpy of vapor at turbine inlet in J/kg.
- Enter the enthalpy of liquid at pump outlet in J/kg.
- Step 1: Compute binary cycle unit injection rate.
- Read the binary cycle unit injection rate (kg/s) from the results.
Engineering Summary
Calculate Geothermal Binary Cycle Working Fluid Injection Rate Calculator
Frequently Asked Questions
What does this calculator calculate?
The Geothermal Binary Cycle Working Fluid Injection Rate Calculator estimates Binary cycle unit injection rate based on the input parameters you provide
Why is geothermal brine thermal power important in this calculation?
geothermal brine thermal power is directly proportional to binary cycle unit injection rate. When you enter geothermal brine thermal power in W, the calculator uses it in the engineering formula to compute the output
How should I interpret the result binary cycle unit injection rate?
The calculator outputs binary cycle unit injection rate in kg/s. To convert to kg/h, multiply the result by 3600. To convert to g/s, multiply by 1000. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Geothermal brine thermal power (W), Enthalpy of vapor at turbine inlet (J/kg), Enthalpy of liquid at pump outlet (J/kg). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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