reactor2.m (Source)

function reactor2(g)
% REACTOR2 Zero-dimensional kinetics: adiabatic, constant volume.
%
%    This example illustrates how to use class 'Reactor' for
%    zero-dimensional kinetics simulations. Here the parameters are
%    set so that the reactor is adiabatic and constant volume.
%

help reactor2

if nargin == 1
   gas = g;
else
   gas = GRI30;
end

nsp = nSpecies(gas);

% set the initial conditions
set(gas,'T',1001.0,'P',oneatm,'X','H2:2,O2:1,N2:4');

% create a reactor, and insert the gas
r = IdealGasReactor(gas);

% create a reactor network and insert the reactor
network = ReactorNet({r});

t = 0;
dt = 1.0e-5;
t0 = cputime;
for n = 1:100
  t = t + dt;
  advance(network, t);
  tim(n) = time(network);
  temp(n) = temperature(r);
  x(n,1:3) = moleFraction(gas,{'OH','H','H2'});
end
disp(['CPU time = ' num2str(cputime - t0)]);

clf;
subplot(2,2,1);
plot(tim,temp);
xlabel('Time (s)');
ylabel('Temperature (K)');
subplot(2,2,2)
plot(tim,x(:,1));
xlabel('Time (s)');
ylabel('OH Mole Fraction (K)');
subplot(2,2,3)
plot(tim,x(:,2));
xlabel('Time (s)');
ylabel('H Mole Fraction (K)');
subplot(2,2,4)
plot(tim,x(:,3));
xlabel('Time (s)');
ylabel('H2 Mole Fraction (K)');
clear all
cleanup