Energy Balance Calculator

Calculate steady-state energy balance for a process stream. Includes sensible heat (Q = mCpΔT), latent heat of phase change, and reaction heat contributions.

Inputs

Mass flow rate (kg/hr)

Specific heat Cp (kJ/kg·K)

Inlet temperature (°C)

Outlet temperature (°C)

Latent heat (kJ/kg)

Phase change fraction (0–1)

Heat of reaction (kJ/kg)

Tab to move between fields

Results

Total duty (kW)

319.76

Sensible heat (kW)319.76

Latent heat (kW)0

Reaction heat (kW)0

Total duty (BTU/hr)1,091,079

Total duty (GJ/hr)1.15

Steam estimate (kg/hr)571.3

Cooling water estimate (kg/hr)0

Total Duty MW0.32

How to Use This Calculator

Enter Mass flow rate (kg/hr), Specific heat Cp (kJ/kg·K), and Inlet temperature (°C).
Set Outlet temperature (°C), Latent heat (kJ/kg), and Phase change fraction (0–1).
Adjust Heat of reaction (kJ/kg) as needed.
Review the Total duty (kW) result.
Use Sensible heat (kW) and Latent heat (kW) to inform your decision.

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