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FIG. 8.

Atwood number (dashed lines) and entropy change from DT/HDC mixing (red solid) and DT/CH mixing (black solid) vs ratio of bubble (At > 0) or spike (At < 0) width Δ2 to temperature-gradient scale length ΔT,2 on ablator side of interface for average ionization state of carbon equal to two. For CH case (Rev. 5), T = 15 eV and total mix width is taken as 10 μm; for HDC T = 35 eV and mix width of 25 μm is used. The assumed temperature profiles are based on Eq. (17).

Atwood number (dashed lines) and entropy change from DT/HDC mixing (red solid) and DT/CH mixing (black solid) vs ratio of bubble (At > 0) or spike (At < 0) width Δ₂ to temperature-gradient scale length Δ_T,2 on ablator side of interface for average ionization state of carbon equal to two. For CH case (Rev. 5), T = 15 eV and total mix width is taken as 10 μm; for HDC T = 35 eV and mix width of 25 μm is used. The assumed temperature profiles are based on Eq. (17).

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