DuctSupplyMain_CL
Returns the pressure drop associated with a supply duct with a branch. The branch can be at any angle and the ducts have circular cross-section. The pressure drop should be applied to the flow in the main duct. The function calls the K_supply_main function from the minor loss library.
DELTAP = DuctSupplyMain_CL(F$, m_dot_3, m_dot_2, T, P, A_3)
Inputs:
F$: fluid string identifier
m_dot_3: mass flow rate in main duct upstream of branch (kg/s, lbm/hr)
m_dot_2: mass flow rate in main duct downstream of branch (kg/s, lbm/hr)
T: inlet temperature (K, C, F, or R)
P: inlet pressure (bar, atm, Pa, kPa, or MPa)
A_3: upstream duct area (m^2 or ft^2)
Output:
DELTAP: pressure drop (bar, atm, Pa kPa, or MPa)
Example:
$UnitSystem SI Mass J K Pa Degree
$Load Component Library
$VarInfo DP units=Pa
m_dot_3 = 0.5 [kg/s]
m_dot_2 = 0.1 [kg/s]
T = 300 [K]
P = 100e3 [Pa]
A_3 = 0.1 [m^2]
F$ = 'Air'
DP = ductsupplymain_cl(F$, m_dot_3, m_dot_2, T, P, A_3)
{Solution:
DP = 2.384 [Pa]}