SlotW27 (class)

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class SlotW27(H0=0.003, H1=0, H2=0.02, W0=0.003, W1=0.013, W2=0.01, W3=0.003, is_trap_wind=False, Zs=36, init_dict=None)[source]

Bases: pyleecan.Classes.SlotWind.SlotWind

semi-closed trapezoidal without fillet without wedge (flat bottom)

VERSION = 1
IS_SYMMETRICAL = 1
build_geometry()

Compute the curve (Line) needed to plot the object. The ending point of a curve is the starting point of the next curve in the list

Parameters:self (SlotW27) – A SlotW27 object
Returns:curve_list – A list of 9 Segment
Return type:list
build_geometry_wind(Nrad, Ntan, is_simplified=False, alpha=0, delta=0)

Split the slot winding area in several zone

Parameters:
  • self (SlotW27) – A SlotW27 object
  • Nrad (int) – Number of radial layer
  • Ntan (int) – Number of tangentiel layer
  • is_simplified (bool) – boolean to specify if coincident lines are considered as one or different lines (Default value = False)
  • alpha (float) – Angle for rotation (Default value = 0) [rad]
  • delta (Complex) – complex for translation (Default value = 0)
Returns:

surf_list – List of surface delimiting the winding zone

Return type:

list

check()

Check that the SlotW27 object is correct

Parameters:

self (SlotW27) – A SlotW27 object

Returns:

Return type:

None

Raises:
  • S27_W01CheckError – You must have W0 <= W1
  • S27_W12CheckError – You must have W1 <= W2
  • S27_W03CheckError – You must have W0 <= W3
comp_angle_opening()

Compute the average opening angle of the Slot

Parameters:self (SlotW27) – A SlotW27 object
Returns:alpha – Average opening angle of the slot [rad]
Return type:float
comp_height()

Compute the height of the Slot. Caution, the bottom of the Slot is an Arc

Parameters:self (SlotW27) – A SlotW27 object
Returns:Htot – Height of the slot [m]
Return type:float
comp_height_wind()

Compute the height of the winding area

Parameters:self (SlotW27) – A SlotW27 object
Returns:Hwind – Height of the winding area [m]
Return type:float
comp_surface()

Compute the Slot total surface (by analytical computation). Caution, the bottom of the Slot is an Arc

Parameters:self (SlotW27) – A SlotW27 object
Returns:S – Slot total surface [m**2]
Return type:float
comp_surface_wind()

Compute the Slot inner surface for winding (by analytical computation)

Parameters:self (SlotW27) – A SlotW27 object
Returns:Swind – Slot inner surface for winding [m**2]
Return type:float
as_dict()[source]

Convert this objet in a json seriable dict (can be use in __init__)

H0

Slot isthmus height.

H1

Slot first part height

H2

Slot second part height

W0

Slot isthmus width.

W1

Slot top width.

W2

Slot middle width

W3

Slot bottom width.

is_trap_wind

If True, split the winding on the trapezium bases. Else split at the middle height as usual