Geothermal Heat Extraction Calculator
Net observed geothermal extraction with actual return temperature and independent retained fraction, not gross generic sensible heat. Caller independently establishes units, regime, calibration and applicability; this does not establish design-code compliance, authenticity, operational safety, treatment efficacy or a validated forecast.
Description
A geothermal heat balance combines mass flow, heat capacity and a temperature difference.
A geothermal heat balance combines mass flow, heat capacity and a temperature difference.1
A retention fraction describes the caller's additional modeled extraction allowance. Use this tool to calculate geothermal Heat Extraction from the supplied measurements and assumptions.
When to use Geothermal Heat Extraction Calculator
Use this tool to calculate geothermal Heat Extraction from the supplied measurements and assumptions. Establish the SI units or caller unit basis, load signs, measurement interval, model conditions and independently chosen coefficients or references.
How to use Geothermal Heat Extraction Calculator and understand its results
- Establish the SI units or caller unit basis, load signs, measurement interval, model conditions and independently chosen coefficients or references.
- Enter observedGeothermalFluidMassKgSecond, callerSpecificHeatJKgK, observedProductionTemperatureC, observedReturnTemperatureC, callerIndependentExtractionRetentionFraction, using the field meanings and rules below, then run the tool.
- Read modeledNetGeothermalHeatW. Interpret the fields using their units, signs and evidence conventions below.
- If input validation fails, correct the reported field and run again. Before applying the result, check reference scope, model assumptions and any missing evidence or placeholder values.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| observedGeothermalFluidMassKgSecond | Observed geothermal fluid mass kg second | number | Required |
| callerSpecificHeatJKgK | Caller specific heat j kg k | number | Required |
| observedProductionTemperatureC | Observed production temperature c | number | Required |
| observedReturnTemperatureC | Observed return temperature c | number | Required |
| callerIndependentExtractionRetentionFraction | Caller independent extraction retention fraction | number | Required |
Enter nonnegative fluid mass flow in kg/s, positive specific heat in J/kg/K, finite production/return temperatures in °C and retention fraction in [0,1]. Multiply massFlow×specificHeat×(production−return)×retention. Reversed temperature difference yields retained negative heat; no reservoir or pump model is included.
netHeatW=massFlowKg/s×cpJ/kg/K×(productionC−returnC)×retention Use the exact units, boundary rules, ordering and missing-evidence conventions above.
| Output field | Meaning | Value type |
|---|---|---|
| modeledNetGeothermalHeatW | Modeled Net Geothermal Heat W; follow the units, sign, ordering and evidence convention stated above | number |
{
"input": {
"observedGeothermalFluidMassKgSecond": 2,
"callerSpecificHeatJKgK": 3,
"observedProductionTemperatureC": 100,
"observedReturnTemperatureC": 70,
"callerIndependentExtractionRetentionFraction": 0.5
},
"output": {
"modeledNetGeothermalHeatW": 90
}
}Limitations and assumptions
A retention fraction describes the caller's additional modeled extraction allowance. Interpretation depends on the units, sampling scope and exact model described above.
All listed fields require explicit values. Unexpected fields, incorrect types, nonfinite numbers and sparse evidence arrays fail validation; the specific bounds and alignment requirements are stated above. Extremely large inputs or outputs can also be rejected. An input error is distinct from a successful result reporting false, no matches or missing evidence.
Alternative or Complementary methods
Use Chiller Part-Load Calculator for this related task: Chiller performance over intervals can be summarized by cooling energy divided by electrical energy.
Use Heat Pipe Capillary Limit Calculator when its separate inputs and assumptions fit the question: A heat pipe's capillary pressure budget balances a meniscus contribution against gravity loss.
References
-
Geothermal Heat Extraction Calculator — tool.io
Similar or alternative tools
- Chiller Part-Load Calculator
Chiller performance over intervals can be summarized by cooling energy divided by electrical energy.
- Heat Pipe Capillary Limit Calculator
A heat pipe's capillary pressure budget balances a meniscus contribution against gravity loss.