Quick Answer
Calculate AHU Total Cooling Capacity via Enthalpy Balance
Calculator
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Find Engineering Solutions →Result Interpretation
AHU Total Cooling Capacity via Enthalpy Balance calculator computes Total cooling capacity in kW using the defined engineering formula and the input values provided. Total cooling capacity is expressed in kW. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- Air mass flow rate = 1.8
- Inlet air specific enthalpy = 72.3
- Outlet air specific enthalpy = 34.9
Expected Result:
- Total cooling capacity = 67.32
Engineering Interpretation:
Under the given input conditions, the calculated result is: Total cooling capacity = 67.32 kW.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
total cooling capacity = air mass flow rate * (inlet air specific enthalpy - outlet air specific enthalpy)Formula family: formula_hvac_hvac_air_handling_unit_ahu_total_cooling_capacity_calculator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| m_dot_air | Air mass flow rate | INPUT | Air mass flow rate |
| h_in | Inlet air specific enthalpy | INPUT | Inlet air specific enthalpy |
| h_out | Outlet air specific enthalpy | INPUT | Outlet air specific enthalpy |
| cooling_capacity | Total cooling capacity | OUTPUT | Total cooling capacity |
Calculation Steps
- Enter the air mass flow rate in kg/s.
- Enter the inlet air specific enthalpy in kJ/kg.
- Enter the outlet air specific enthalpy in kJ/kg.
- Step 1: Compute total cooling capacity.
- Read the total cooling capacity (kW) from the results.
Engineering Summary
Calculate AHU Total Cooling Capacity via Enthalpy Balance
Frequently Asked Questions
What does this calculator calculate?
The AHU Total Cooling Capacity via Enthalpy Balance calculator estimates Total cooling capacity based on the input parameters you provide
Why is air mass flow rate important in this calculation?
air mass flow rate is directly proportional to total cooling capacity. When you enter air mass flow rate in kg/s, the calculator uses it in the engineering formula to compute the output
How should I interpret the result total cooling capacity?
The calculator outputs total cooling capacity in kW. 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: Air mass flow rate (kg/s), Inlet air specific enthalpy (kJ/kg), Outlet air specific enthalpy (kJ/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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