equation system with time and space derivation
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hello everyone!
i have an equation system for a solar panel formed by 4 equations 3 of them are depending only on time variation and the last one is depending on time and space variation .could you help me to implement the last equation on matlab .does ode45 works to solve this equation system .
dTfluid/dz i: the variation of temperature in the coil
best regards
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Alan Stevens
2020 年 10 月 28 日
You could use the pdepe function (try doc pdepe). Alternatively, explicitly discretise z and use ode45 to solve the time dependence for each section.
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Alan Stevens
2020 年 10 月 29 日
Sorry, I should have noted that tau is just 6000, as in your original expression for sinterm.
There was no sensible solution for the other temperatures, but I didn't try further because of uncertainty in the z dependence. if the temperature is uniform along z then the dTfluid/dT will be zero (as it is in what I've supplied so far). If there is a inear variation then you will need to specity its magnitude.
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