Quick Answer
Calculate Steam Turbine Exhaust Moisture Fraction Estimator (Power Domain)
Calculator
Result Interpretation
Steam Turbine Exhaust Moisture Fraction Estimator Calculator computes Exhaust moisture mass fraction in 1 using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Saturated liquid specific enthalpy at exhaust pressure = 251000
- Saturated vapor specific enthalpy at exhaust pressure = 2598000
- Exhaust steam specific enthalpy = 2350000
Expected Result:
- Exhaust moisture mass fraction = 0.10566680869195
Engineering Interpretation:
Under the given input conditions, the calculated result is: Exhaust moisture mass fraction = 0.10566680869195.
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
exhaust moisture mass fraction = max(0.0, 1.0 - (exhaust steam specific enthalpy - saturated liquid specific enthalpy at exhaust pressure) / (saturated vapor specific enthalpy at exhaust pressure - saturated liquid specific enthalpy at exhaust pressure))Formula family: formula_power_steam_turbine_exhaust_moisture_content_estimator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| h_exhaust | Exhaust steam specific enthalpy | INPUT | Exhaust steam specific enthalpy |
| h_f_sat | Saturated liquid specific enthalpy at exhaust pressure | INPUT | Saturated liquid specific enthalpy at exhaust pressure |
| h_g_sat | Saturated vapor specific enthalpy at exhaust pressure | INPUT | Saturated vapor specific enthalpy at exhaust pressure |
| moisture_fraction | Exhaust moisture mass fraction | OUTPUT | Exhaust moisture mass fraction |
Calculation Steps
- Enter the exhaust steam specific enthalpy in J/kg.
- Enter the saturated liquid specific enthalpy at exhaust pressure in J/kg.
- Enter the saturated vapor specific enthalpy at exhaust pressure in J/kg.
- Step 1: Compute exhaust moisture mass fraction.
- Read the exhaust moisture mass fraction (1) from the results.
Engineering Summary
Calculate Steam Turbine Exhaust Moisture Fraction Estimator (Power Domain)
Frequently Asked Questions
What does this calculator calculate?
The Steam Turbine Exhaust Moisture Fraction Estimator Calculator estimates Exhaust moisture mass fraction based on the input parameters you provide
Why is exhaust steam specific enthalpy important in this calculation?
exhaust steam specific enthalpy is directly proportional to exhaust moisture mass fraction. When you enter exhaust steam specific enthalpy in J/kg, the calculator uses it in the engineering formula to compute the output
How should I interpret the result exhaust moisture mass fraction?
The calculator outputs exhaust moisture mass fraction. 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: Exhaust steam specific enthalpy (J/kg), Saturated liquid specific enthalpy at exhaust pressure (J/kg), Saturated vapor specific enthalpy at exhaust pressure (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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