{ "global": { "dataset_id": "blastnet/premixedflame-h2-iso-dns", "Nxyz": [ 2048, 513, 256 ], "snapshots": 8, "variables": [ "P_Pa", "RHO_kgm-3", "T_K", "UX_ms-1", "UY_ms-1", "UZ_ms-1", "YH2O2", "YHO2", "YN2", "YO2", "YOH" ], "compression": null, "grid": { "x": "./grid/X_m.dat", "y": "./grid/Y_m.dat", "z": "./grid/Z_m.dat" }, "bc": "Periodic in the streamwise (x) and spanwise (z) directions. No-slip walls at the channel boundaries (y). Species satisfy zero diffusive-flux boundary conditions at both walls. Wall temperature is either fixed (isothermal wall)", "numerics": { "spatial": "Fully resolved direct numerical simulation (DNS) of compressible reacting Navier\u2013Stokes equations with detailed chemistry.", "temporal": "Explicit time integration for DNS.", "other": "Fully developed turbulent channel flow at Re_tau \u2248 300. Detailed chemical kinetics for H2/air combustion. Two planar laminar flame fronts initialized from one-dimensional freely propagating unstretched flame solutions." }, "ic": "Statistically stationary turbulent channel flow established first. Two identical planar premixed flame fronts, mapped from one-dimensional unstretched laminar flame solutions, are initialized symmetrically in the channel with burned gases in the center and propagate toward the upper and lower walls until quenching.", "description": "A high-fidelity direct numerical simulation (DNS) dataset of a turbulent premixed H2/air flame propagating toward an isothermal wall in a fully developed turbulent channel flow (Re_tau \u2248 300). The simulation captures the complete evolution of flame-wall interaction, including flame thickening, turbulence-flame interaction, and final flame consumption at the wall.", "doi": "https://doi.org/10.1017/jfm.2026.11189", "contributors": "Cheng Chi" }, "local": [ { "id": 1, "time": 4.18e-05, "P_Pa filename": "./data/P_Pa_id001.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id001.dat", "T_K filename": "./data/T_K_id001.dat", "UX_ms-1 filename": "./data/UX_ms-1_id001.dat", "UY_ms-1 filename": "./data/UY_ms-1_id001.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id001.dat", "YH2O2 filename": "./data/YH2O2_id001.dat", "YHO2 filename": "./data/YH2O2_id001.dat", "YN2 filename": "./data/YH2O2_id001.dat", "YO2 filename": "./data/YH2O2_id001.dat", "YOH filename": "./data/YHO2_id001.dat" }, { "id": 2, "time": 7.668e-05, "P_Pa filename": "./data/P_Pa_id002.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id002.dat", "T_K filename": "./data/T_K_id002.dat", "UX_ms-1 filename": "./data/UX_ms-1_id002.dat", "UY_ms-1 filename": "./data/UY_ms-1_id002.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id002.dat", "YH2O2 filename": "./data/YH2O2_id002.dat", "YHO2 filename": "./data/YH2O2_id002.dat", "YN2 filename": "./data/YH2O2_id002.dat", "YO2 filename": "./data/YH2O2_id002.dat", "YOH filename": "./data/YHO2_id002.dat" }, { "id": 3, "time": 9.548e-05, "P_Pa filename": "./data/P_Pa_id003.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id003.dat", "T_K filename": "./data/T_K_id003.dat", "UX_ms-1 filename": "./data/UX_ms-1_id003.dat", "UY_ms-1 filename": "./data/UY_ms-1_id003.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id003.dat", "YH2O2 filename": "./data/YH2O2_id003.dat", "YHO2 filename": "./data/YH2O2_id003.dat", "YN2 filename": "./data/YH2O2_id003.dat", "YO2 filename": "./data/YH2O2_id003.dat", "YOH filename": "./data/YHO2_id003.dat" }, { "id": 4, "time": 0.0001092, "P_Pa filename": "./data/P_Pa_id004.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id004.dat", "T_K filename": "./data/T_K_id004.dat", "UX_ms-1 filename": "./data/UX_ms-1_id004.dat", "UY_ms-1 filename": "./data/UY_ms-1_id004.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id004.dat", "YH2O2 filename": "./data/YH2O2_id004.dat", "YHO2 filename": "./data/YH2O2_id004.dat", "YN2 filename": "./data/YH2O2_id004.dat", "YO2 filename": "./data/YH2O2_id004.dat", "YOH filename": "./data/YHO2_id004.dat" }, { "id": 5, "time": 0.00012164, "P_Pa filename": "./data/P_Pa_id005.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id005.dat", "T_K filename": "./data/T_K_id005.dat", "UX_ms-1 filename": "./data/UX_ms-1_id005.dat", "UY_ms-1 filename": "./data/UY_ms-1_id005.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id005.dat", "YH2O2 filename": "./data/YH2O2_id005.dat", "YHO2 filename": "./data/YH2O2_id005.dat", "YN2 filename": "./data/YH2O2_id005.dat", "YO2 filename": "./data/YH2O2_id005.dat", "YOH filename": "./data/YHO2_id005.dat" }, { "id": 6, "time": 0.00013355, "P_Pa filename": "./data/P_Pa_id006.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id006.dat", "T_K filename": "./data/T_K_id006.dat", "UX_ms-1 filename": "./data/UX_ms-1_id006.dat", "UY_ms-1 filename": "./data/UY_ms-1_id006.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id006.dat", "YH2O2 filename": "./data/YH2O2_id006.dat", "YHO2 filename": "./data/YH2O2_id006.dat", "YN2 filename": "./data/YH2O2_id006.dat", "YO2 filename": "./data/YH2O2_id006.dat", "YOH filename": "./data/YHO2_id006.dat" }, { "id": 7, "time": 0.00014499, "P_Pa filename": "./data/P_Pa_id007.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id007.dat", "T_K filename": "./data/T_K_id007.dat", "UX_ms-1 filename": "./data/UX_ms-1_id007.dat", "UY_ms-1 filename": "./data/UY_ms-1_id007.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id007.dat", "YH2O2 filename": "./data/YH2O2_id007.dat", "YHO2 filename": "./data/YH2O2_id007.dat", "YN2 filename": "./data/YH2O2_id007.dat", "YO2 filename": "./data/YH2O2_id007.dat", "YOH filename": "./data/YHO2_id007.dat" }, { "id": 8, "time": 0.0001559, "P_Pa filename": "./data/P_Pa_id008.dat", "RHO_kgm-3 filename": "./data/RHO_kgm-3_id008.dat", "T_K filename": "./data/T_K_id008.dat", "UX_ms-1 filename": "./data/UX_ms-1_id008.dat", "UY_ms-1 filename": "./data/UY_ms-1_id008.dat", "UZ_ms-1 filename": "./data/UZ_ms-1_id008.dat", "YH2O2 filename": "./data/YH2O2_id008.dat", "YHO2 filename": "./data/YH2O2_id008.dat", "YN2 filename": "./data/YH2O2_id008.dat", "YO2 filename": "./data/YH2O2_id008.dat", "YOH filename": "./data/YHO2_id008.dat" } ] }