Borghi Diagram in MATLAB

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Rahman
Rahman on 14 Oct 2021
Commented: Rahman on 14 Oct 2021
Hello, I'm trying to replicate the borghi diagram as follow in MATLAB (with all the annotations shown in the figure below). Is there any easier way to do this? Appreciate your help in advance.

Accepted Answer

Kevin Holly
Kevin Holly on 14 Oct 2021
This is how I would do it. First plot the lines and change the scales to log.
%Plot lines
plot([10 1 .1 10^4],[.1 1 10 10^2.5],'k')
hold on
plot([10^4 1 10^4],[1 1 10],'k')
%Make scale log
set(gca,'xScale','log')
set(gca,'yScale','log')
Then in the figure menu, Insert>Line or Insert>TextBox. You can get rid of edgecolor around box by editing it in the property inspector (Edit>Axes Properties... then select text box)
After you are satisfied with figure, File>Generate Code...
% Create ylabel
ylabel('υ_n^''/S_L','Rotation',0);
% Create xlabel
xlabel({'l/l_F'});
% Create textbox
annotation(gcf,'textbox',...
[0.54742857142857 0.238095238095239 0.238285714285714 0.0547619047619052],...
'String',{'wrinkled flamelets'},...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.175 0.192857142857143 0.135714285714284 0.121428571428576],...
'String',{'laminar','flames'},...
'HorizontalAlignment','center',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.531357142857142 0.330952380952382 0.290071428571429 0.0547619047619051],...
'String','corrugated flamelets',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.236714285714284 0.440476190476192 0.104357142857144 0.0547619047619051],...
'String','Re = 1',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create line
annotation(gcf,'line',[0.802176339285714 0.816462053571429],...
[0.484071806500378 0.458881330309902]);
% Create line
annotation(gcf,'line',[0.375 0.351785714285714],...
[0.615666666666667 0.647619047619048]);
% Create line
annotation(gcf,'line',[0.733928571428571 0.708928571428571],...
[0.75852380952381 0.790476190476191]);
% Create textbox
annotation(gcf,'textbox',...
[0.786714285714283 0.411904761904765 0.104357142857144 0.0547619047619051],...
'String','Ka = 1',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.367857142857142 0.742857142857145 0.178571428571427 0.150000000000004],...
'String',['broken',sprintf('\n'),'reaction',sprintf('\n'),'zones'],...
'HorizontalAlignment','center',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.652785714285711 0.797619047619053 0.125785714285717 0.0547619047619051],...
'String','Ka_δ = 1',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.49742857142857 0.569047619047622 0.238285714285714 0.054761904761905],...
'String',{'thin reaction zones'},...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.295642857142855 0.659523809523816 0.104357142857144 0.054761904761905],...
'String','η = l_δ',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create textbox
annotation(gcf,'textbox',...
[0.692071428571426 0.380952380952388 0.104357142857144 0.0547619047619051],...
'String','η = l_F',...
'FitBoxToText','off',...
'EdgeColor','none');
% Create line
annotation(gcf,'line',[0.698214285714285 0.714285714285714],...
[0.458523809523811 0.433333333333335]);
% Create line
annotation(gcf,'line',[0.208984375 0.241127232142857],...
[0.429083144368859 0.449130763416478]);
  3 Comments
Rahman
Rahman on 14 Oct 2021
Thank you very much Mr. Kevin for your help & time.

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More Answers (1)

Image Analyst
Image Analyst on 14 Oct 2021
You can use xlabel(), ylabel(), plot(), and text(). And annotation() or line() for the little lines.

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