Atomizer for an aerosol delivery device and related input, aerosol production assembly, cartridge, and method

An aerosol production assembly for an aerosol delivery device, the aerosol production assembly comprising:

• a reservoir substrate configured to hold an aerosol precursor composition;
• and
• an atomizer in contact with the reservoir substrate, the atomizer comprising:
• a U-shaped wick configured to transport liquid thereabout, the U-shaped wick extending between a first wick end and a second wick end;
• and
• a wire extending along at least one portion of the U-shaped wick and defining a heater comprising a plurality of coils of the wire forming a heating portion on the at least one portion of the U-shaped wick at which the coils define a variable pitch wound around the at least one portion of the U-shaped wick, the wire being supported by tabs, the heating portion defining the variable pitch being disposed between the tabs;
• and
• a flow director defining an aperture extending therethrough, the aperture being aligned with a center section of the heating portion of the heating element.