Quick Answer
Calculate HRSG Exhaust Gas Temperature Drop via Energy Balance
Calculator
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Find Engineering Solutions →Result Interpretation
HRSG Exhaust Gas Temperature Drop via Energy Balance calculator computes Exhaust gas temperature drop in K using the defined engineering formula and the input values provided. Exhaust gas temperature drop is expressed in K. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Recovered heat transfer rate = 48000000
- Exhaust gas mass flow rate = 120
- Exhaust gas specific heat capacity = 1147
Expected Result:
- Exhaust gas temperature drop = 348.735832607
Engineering Interpretation:
Under the given input conditions, the calculated result is: Exhaust gas temperature drop = 348.735832607 K.
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 gas temperature drop = recovered heat transfer rate / (exhaust gas mass flow rate * exhaust gas specific heat capacity)Formula family: formula_energy_heat_recovery_steam_generator_hrsg_exhaust_gas_temperature_drop_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Q_recovered | Recovered heat transfer rate | INPUT | Recovered heat transfer rate |
| m_dot_exhaust | Exhaust gas mass flow rate | INPUT | Exhaust gas mass flow rate |
| Cp_exhaust | Exhaust gas specific heat capacity | INPUT | Exhaust gas specific heat capacity |
| temperature_drop | Exhaust gas temperature drop | OUTPUT | Exhaust gas temperature drop |
Calculation Steps
- Enter the recovered heat transfer rate in W.
- Enter the exhaust gas mass flow rate in kg/s.
- Enter the exhaust gas specific heat capacity in J/(kg*K).
- Step 1: Compute exhaust gas temperature drop.
- Read the exhaust gas temperature drop (K) from the results.
Engineering Summary
Calculate HRSG Exhaust Gas Temperature Drop via Energy Balance
Frequently Asked Questions
What does this calculator calculate?
The HRSG Exhaust Gas Temperature Drop via Energy Balance calculator estimates Exhaust gas temperature drop based on the input parameters you provide
Why is recovered heat transfer rate important in this calculation?
recovered heat transfer rate is directly proportional to exhaust gas temperature drop. When you enter recovered heat transfer rate in W, the calculator uses it in the engineering formula to compute the output
How should I interpret the result exhaust gas temperature drop?
The calculator outputs exhaust gas temperature drop in K. 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: Recovered heat transfer rate (W), Exhaust gas mass flow rate (kg/s), Exhaust gas specific heat capacity (J/(kg*K)). 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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