Topological Characteristics of Obstacles and Nonlinear Rheological Fluid Flow in Presence of Insulated Fins: A Fluid Force Reduction Study

Table 6

Percentage reduction in drag coefficient: square versus hexagonal and circular case.

	Square	Hexagon	% reduction	Circle	% reduction
0	6.9397	6.1135	14.94	5.5786	19.61
5	13.9553	12.0237	14.41	11.2657	19.55
10	21.4478	18.4166	14.13	17.2796	19.43
15	28.9459	24.8896	14.01	23.3732	19.25
20	36.4354	31.4094	13.79	29.5111	19.00
25	43.8990	37.9431	13.57	35.6571	18.77
30	51.3235	44.4747	13.34	41.8024	18.55
35	58.7175	51.0029	13.14	47.9443	18.35
40	66.0861	57.5283	12.95	54.0775	18.17
45	73.4365	64.0466	12.79	60.1993	18.03
50	80.7721	70.5589	12.64	66.3107	17.90