def correct_primary_flow(Q_primary, N_holes, D_holes, pt53x, pt54x):
    """Compute the primary flow velocites, assuming uniform flow in each primary inlet
    Args:
    Q_primary (double): total primary air flow rate input by user
    N_holes (int): Number of holes in air tray input by user
    D_holes (double): Diameter of primary inlet holes in air tray
    pt53x (double): LHS inlet x-coordinate primary hole
    pt54x (double): RHS inlet x-coordinate primary hole

    Returns:
    Q_per (double): Primary flow rate distributed to each inlet
    V_primary (double): Velocity through primary inlets
    A_primary (double): Areas of primary inlets
    diam_primary (double): Diameter of the primary inlet holes in the model
    """
    Q_per = Q_primary/3 # Evenly distributed
    diam_primary = pt54x-pt53x # Difference is the diameter
    A_primary = (3.1415926/4)*diam_primary**2 # Area of each primary inlet
    V_primary = Q_per*A_primary # Velocity through each of the inlets
    return Q_per, V_primary, A_primary, diam_primary