Table 2 Variance analysis results for \(\varepsilon_{tf}{\prime}\), \(\varepsilon_{vf}{\prime}\) and \(\varepsilon_{pf}{\prime}\).

From: Drag enhancement characteristics and mechanism of the seam plate formed by uniform micro gap arrangement of multiple micro cylinders

Mechanical parameter

R2

Significance ranking

p-value

\(\varepsilon_{tf}{\prime}\)

0.9691

X3 > X1X2 > X22 > X2 > X1 > X12 > X32

0.01 < p(X32) < 0.05

\(\varepsilon_{vf}{\prime}\)

0.9473

X22 > X3 > X1X2 > X1 > X2 > X12 > X32

0.01 < p(X12) < 0.05

\(\varepsilon_{pf}{\prime}\)

0.9684

X3 > X2 > X22 > X1X2 > X2X3 > X12

0.01 < p(X2X3) < 0.05

  1. X1: microcylinder diameter; X2: gap to diameter ratio; X3: flow velocity.
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