Specimen thickness

Measurement frequency

Results from Equation (7)

Flow resistivity

Error

Results from Equation (8)

Flow resistivity

Error

0.04 m

100 Hz

14,009 N/m⁴

−0.10%

14,011 N/m⁴

0.11%

200 Hz

13,989 N/m⁴

−0.10%

14,028 N/m⁴

0.32%

400 Hz

13,975 N/m⁴

−0.04%

14,153 N/m⁴

1.27%

800 Hz

13,971 N/m⁴

−0.18%

14,530 N/m⁴

5.25%

1600 Hz

13,923 N/m⁴

−0.73%

16,842 N/m⁴

24.02%

0.06 m

100 Hz

14,006 N/m⁴

−0.10%

14,034 N/m⁴

0.27%

200 Hz

13,989 N/m⁴

-0.10%

14,114 N/m⁴

1.03%

400 Hz

13,981 N/m⁴

−0.05%

14,407 N/m⁴

4.23%

800 Hz

13,972 N/m⁴

−0.18%

14,192 N/m⁴

18.27%

1600 Hz

13,924 N/m⁴

−0.73%

24,324 N/m⁴

86.21%

0.08 m

100 Hz

13,991 N/m⁴

−0.10%

13,988 N/m⁴

−0.02%

200 Hz

13,992 N/m⁴

−0.10%

11,979 N/m⁴

−0.13%

400 Hz

13,989 N/m⁴

−0.05%

13,858 N/m⁴

−1.60%

800 Hz

13,974 N/m⁴

−0.18%

11,926 N/m⁴

−18.12%

1600 Hz

6,513 N/m⁴

63.22%

7650 N/m⁴

−51.25%