Code covered by the BSD License

si_engine_simulation(varargin) SI_ENGINE_SIMULATION M-file for si_engine_simulation.fig
sz_comb(th,xr,ths,thb) Combustion rate function
sz_massf(P0,T0,Pv,k,R,A,ws) Mass flow equation
sz_valve(th,tho,thc,Dp,ds,lm) Valve opening closing
sz_volm(th,Rc,rc,Vm) Cylinder Volume and its derivatives
valve(th,tho,thc,Dp,ds,lm) Valve opening closing
eng_sim.m
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Spark Ignition Engine GUI

01 Apr 2013 (Updated 04 Apr 2013)

computer program for thermodynamic engine model for a spark ignition engine.

File Information
Description	computer simulation which may be used to obtain some fairly good estimates of engine performance. These estimates are most useful for understanding basic engine performance as well as assessing modifications as regards valve sizing, spark advance and various fuels. Added code to visualize the effect of few of the parameters like compression ratio and spark angle on the engine performance. It will be useful to understand the effect of input parameters and using this intput can be optimize to get the best performance.
Required Products	MATLAB
MATLAB release	MATLAB 7.7 (R2008b)

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Everyone's Tags	automotive, gui, si engine matlab gui, si engine simulation, simulation
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Updates
04 Apr 2013	Updated the GUI to run the normal engine with and also to see the effect of parameters like compression ratio and Spark Angle on the engine performance.