| CPC F28F 25/087 (2013.01) [F28F 3/025 (2013.01)] | 10 Claims |
|
1. A fill sheet for assembly into a fill pack for cooling a cooling medium in an evaporative cooling tower, the fill sheet comprising:
a first end;
a second end extending substantially parallel to the first end and generally perpendicularly relative to a vertical axis, the first and second ends extending substantially parallel to a lateral axis of the fill sheet;
a plurality of flutes extending generally toward the second end at a first flute angle with respect to the vertical axis; and
microstructure defined on the plurality of flutes,
said plurality of flutes comprising a plurality of alternating diagonal flute segments having a diagonal flute segment length and vertical flute segments having a vertical flute segment length, said diagonal flute segments having a diagonal flute segment length aligned parallel to said first flute angle and said vertical flute segments aligned parallel to said vertical axis, whereas said diagonal flute segment length is longer than said vertical flute segment length;
the microstructure comprising a plurality of alternating rounded mounds and rounded depressions extending between flat ridge edges and flat valley edges of said flutes.
|