W_rib 0.7[mm] "Rib width"
W_ch 0.8[mm] "Channel width"
W_plate 50[mm] "Plate width"
H_ch W_ch "Channel height"
H_gdl 0.38[mm] "Gdl height"
H_mem 100[um] "Membrane thickness"
W_ribch W_rib+W_ch "Channel-to-channel distance"
N_ch 3 "Number of channels"
r_ch 0.25[mm] "Inner radius of channel corners"