Figure 4.

Variation of tube radius with flow rate for brinicles. Martin’s experimental data [31] for R_c=10 cm, Δρ_i=0.15 g cm⁻³, μ_i= 1.03 c P, μ_i/μ_e=1, g=981 cm s⁻² are shown with the prediction from Poiseuille flow, equation (1.4) with dP/dz=0 and ${\mu }_{\mathrm{e}}\to \mathrm{\infty }$. (Online version in colour.)