Boiler Load Vs Efficiency Graph Related Information

Boiler Efficiency -

Boiler efficiency (%) = 100 (heat exported by the fluid (water steam ..) / heat provided by the fuel) (1) Heat Exported from the Boiler to the Fluid. If a fluid like water is used to transfer heat from the boiler - the heat transfer can be expressed as: q = (m / t) c p dT (2) where. q = heat transfer (kJ/s kW) m / t = mass flow (kg/s) m = mass (kg) t = time (s) c p = specific heat (kJ/kg o C) dT = temperature difference between inlet and outlet of the boiler

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