This information is part of the Modelica Standard Library maintained by the Modelica Association.

Calculation of pressure loss in thick edged orifices with sharp corners at overall flow regime for incompressible and single-phase fluid flow through an arbitrary shaped cross sectional area (square, circular, etc.) considering constant influence of surface roughness.

Generally this function is numerically best used for the incompressible case, where the mass flow rate (m_flow) is known (as state variable) in the used model and the corresponding pressure loss (DP) has to be calculated. On the other hand the function dp_thickEdgedOverall_MFLOW is numerically best used for the compressible case if the pressure loss (dp) is known (out of pressures as state variable) and the mass flow rate (M_FLOW) has to be calculated. See more information.

DP = dp_thickEdgedOverall_DP(IN_con, IN_var, m_flow)

IN_con	Type: dp_thickEdgedOverall_IN_con Description: Input record for function dp_thickEdgedOverall_DP
IN_var	Type: dp_thickEdgedOverall_IN_var Description: Input record for function dp_thickEdgedOverall_DP
m_flow	Type: MassFlowRate (kg/s) Description: Mass flow rate

DP	Type: Pressure (Pa) Description: Output for function dp_thickEdgedOverall_DP