Fig. 5

Results of density and MFPs of bulk phase CH4: (a) mass density obtained by EOS and MD simulations; (b) MFPs obtained by MD simulations and Eq. (1). The subplots in (a) are the snapshots of CH4 molecules at 1, 20 and 49 MPa, respectively.

Results of density and MFPs of bulk phase CH4: (a) mass density obtained by EOS and MD simulations; (b) MFPs obtained by MD simulations and Eq. (1). The subplots in (a) are the snapshots of CH4 molecules at 1, 20 and 49 MPa, respectively.