Description

Units

Formulas Used

Result of numerical

Result of experiments

Deviations

Mass of air

$m_{Air}\left[\text{kg}\right]$

$m_{Air,sto}+\left(\frac{m_{AirExc}}{100}\ast m_{Air,sto}\right)$

7.497

7.400

0.097

Mass of flue gas

$m_{FG}\left[\text{kg}\right]$

$m_{DFG}+m_{WFG}+m_{Ash}$

6.3672

6.0072

0.36

Mass of coffee husk

$m_{CH}\left[\text{kg}\right]$

-

-

-

-

Flue gas temperature

$m_{FG}\left[˚\text{C}\right]$

$\frac{m_{CH}\ast C{V}_{CH}}{m_{FG}\ast C{P}_{FG}}-\frac{m_{ste}\ast \left(h_1-h_4\right)}{m_{FG}\ast C{P}_{FG}}-\frac{m_{UF}\ast C{V}_{CH}}{m_{FG}\ast C{P}_{FG}}+T_0$

1489

1486.6098

2.3902

Heat of economizer

$Q_{Eco}\left[\text{kW}\right]$

${\dot{m}}_{FG}{C}_{pFG}\left(T_{FG1}-T_{FG2}\right)$

825.061

824.003

1.058