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. 2023 Jan 13;23(2):939. doi: 10.3390/s23020939

Table 4.

Averaged PQV and GMMR of the first resonance for configurations 1, 7, 9, and 10 for pipes with lengths of 283 and 340 mm.

Configuration PQV GMMR
283 mm 340 mm 283 mm 340 mm
C1 1.09 N.A. 1 1.29 1.36
C7 2.68 2.25 1.90 1.84
C9 5.04 3.86 3.20 2.32
C10 3.63 2.26 2.64 2.01

1 N.A. indicates no clear resonance was found.