This block computes the load on a system based on the return temperature, active supply temperature setpoint and measured flow through the associated circuit flow meter, using the following equation.
Q_flow = V_flow * rho_default * cp_default * (TSupSet - TRet)
Q_flow = V_flow * rho_default * cp_default * (TRet - TSupSet)
Q_flow
less than or equal to zero means
that there is no actual load on the system.
The output load QReq_flow
is the rolling average of Q_flow
over a period of dtMea
.