Equivalence Ratio & Tube Diameter (mm) \\ 0.4675 & 25.1043 \\ 0.5127 & 19.9668 \\ 0.6017 & 14.9616 \\ 0.7564 & 9.9620 \\ 2.1213 & 9.9504 \\ 2.3682 & 14.8559 \\ 2.6222 & 19.8905 \\ 2.8106 & 24.9195 \\