Quick Answer
Calculate Boiler Feed Pump Turbine Exhaust Steam Heat Recovery Rate to Deaerator
Calculator
Result Interpretation
Boiler Feed Pump Turbine Exhaust Steam Heat Recovery Rate to Deaerator Calculator computes Heat recovery rate in W using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Exhaust steam specific enthalpy at inlet (to heat recovery unit) = 2645000
- Exhaust steam specific enthalpy at outlet (after heat recovery) = 2375000
- Exhaust steam mass flow rate = 10
- Heat transfer effectiveness = 0.9
Expected Result:
- Heat recovery rate = 2430000
Engineering Interpretation:
Under the given input conditions, the calculated result is: Heat recovery rate = 2430000 W.
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
heat recovery rate = exhaust steam mass flow rate * (to heat recovery unit - after heat recovery) * heat transfer effectivenessFormula family: formula_power_boiler_feed_pump_turbine_exhaust_steam_recovery_potential_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| m_dot_exhaust | Exhaust steam mass flow rate | INPUT | Exhaust steam mass flow rate |
| h_exhaust_in | Exhaust steam specific enthalpy at inlet (to heat recovery unit) | INPUT | Exhaust steam specific enthalpy at inlet (to heat recovery unit) |
| h_exhaust_out | Exhaust steam specific enthalpy at outlet (after heat recovery) | INPUT | Exhaust steam specific enthalpy at outlet (after heat recovery) |
| eta_heat_transfer | Heat transfer effectiveness | INPUT | Heat transfer effectiveness |
| heat_recovery_rate | Heat recovery rate | OUTPUT | Heat recovery rate |
Calculation Steps
- Enter the exhaust steam mass flow rate in kg/s.
- Enter the exhaust steam specific enthalpy at inlet (to heat recovery unit) in J/kg.
- Enter the exhaust steam specific enthalpy at outlet (after heat recovery) in J/kg.
- Enter the heat transfer effectiveness in 1.
- Step 1: Compute heat recovery rate.
- Read the heat recovery rate (W) from the results.
Engineering Summary
Calculate Boiler Feed Pump Turbine Exhaust Steam Heat Recovery Rate to Deaerator
Frequently Asked Questions
What does this calculator calculate?
The Boiler Feed Pump Turbine Exhaust Steam Heat Recovery Rate to Deaerator Calculator estimates Heat recovery rate based on the input parameters you provide
Why is exhaust steam mass flow rate important in this calculation?
exhaust steam mass flow rate is directly proportional to heat recovery rate. When you enter exhaust steam mass flow rate in kg/s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result heat recovery rate?
The calculator outputs heat recovery rate in W. For larger power values, divide by 1000 to express the result in kW, or by 745.7 for horsepower. 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 mass flow rate (kg/s), Exhaust steam specific enthalpy at inlet (to heat recovery unit) (J/kg), Exhaust steam specific enthalpy at outlet (after heat recovery) (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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