Hc 1[cm] "Channel height"
Dc 3[cm] "Channel diameter"
rd 2.5[mm] "Droplet radius"
Dinj 2[mm] "Injection needle diameter"
Hinj 0.5[cm] "Injection needle height"
Tw 2[mm] "Wall thickness, top"
Tbot 5[mm] "Wall thickness, bottom"