Table 2.

Ratio of relative standard deviation in power to relative input standard deviation for three different values of ${\hat{\sigma }}_{C_d}^{\ast }=\{0.1,0.3,0.5\}$ at optimal and half-optimal turbine drag values (columns) and different fence configurations and mean bed roughness coefficients (rows).

		${\hat{\sigma }}_P/{\hat{\sigma }}_{C_d}^{\ast }$ (%)
		$1/2C_{t,\det }^{\ast }$	$C_{t,\det }^{\ast }$
ABC	${\mu }_{C_d}=0.0025$	20, 20, 20	15, 15, 15
fully	${\mu }_{C_d}=0.005$	33, 33, 34	24, 24, 24
spanned	${\mu }_{C_d}=0.016$	60, 62, 64	44, 45, 46
A	${\mu }_{C_d}=0.0025$	29, 29, 29	23, 23, 23
asymmetrically	${\mu }_{C_d}=0.005$	42, 43, 44	33, 33, 34
confined	${\mu }_{C_d}=0.016$	64, 67, 73	49, 51, 54
B	${\mu }_{C_d}=0.0025$	21, 21, 20	17, 17, 16
laterally	${\mu }_{C_d}=0.005$	34, 35, 34	27, 27, 27
unconfined	${\mu }_{C_d}=0.016$	61, 63, 67	48, 49, 51