% l = CalcContactLine(gE)
%
% Calculates contact line length l for 10 mul droplet.
%
% gE = Acceleration due to gravity and magnetic field (g)
%
% l = Contact line length (mm)
% 
% The contact line length depends on the normal force acting on the
% droplet and the contact angle. According to the article "Candle-based 
% process for creating a stable superhydrophobic surface" the contact
% angle for soot covered glass is 162 deg, so that value is used here.
% Contact line length was precalculated numerically using Young-Laplace
% equation.

function [l]=CalcContactLine(gE)

% Contact line length was calculated numerically for gE = 0..6. This data
% was fitted with a smoothing spline.
CLfit=importdata('Contact line length fit.mat');

l=feval(CLfit,gE);