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Table 6

Gas constant and adiabatic index of natural gas at different hydrogen blending ratios.

H2 (%) 0 5 10 15 20 30
Gas constant Rg 497.15 520.02 545.09 572.70 603.26 675.33
Adiabatic index k 1.29 1.30 1.30 1.31 1.31 1.32
Relative deviation of Rg (%) 0 4.60 9.64 15.20 21.34 35.84
Relative deviation of k (%) 0 0.43 0.85 1.28 1.71 2.56

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