can ı plot this chart with a given equation?

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Alan Stevens
Alan Stevens el 22 de Nov. de 2020
Here's a starter. You can add the other equations and labelling
V = @(S) 0.349109 + 6.00940*S + 0.047467*S.^2;
S = logspace(-2, 2);
semilogx(S,V(S)),grid
xlabel('Sommerfeld Nbr'),ylabel('Temp Rise Dimensionless Variable')
axis([0.001 10 0 7])

5 comentarios

matlab coder
matlab coder el 22 de Nov. de 2020
thanks a lot
matlab coder
matlab coder el 28 de Nov. de 2020
can ı obtain this equation if it is not given to me? ı mean by using this chart can ı acquire its equation by matlab? because when ı use digitalization method its not fit, there are a lot of errors.
Alan Stevens
Alan Stevens el 29 de Nov. de 2020
The equations for l/d = 1, 1/2 and 1/4 are given in the table displayed on your graph!
matlab coder
matlab coder el 29 de Nov. de 2020
Editada: matlab coder el 29 de Nov. de 2020
ı know they are given to me. but ı ask you is it possible to obtain the equation of the chart if it is not given to me? for example can ı obtaion the equation of position with respect to S ( the chart that ı put below)? ın the chart which is given above temperature rise with respect to S equation is given to me. but ı wonder what if its not given. can ı create ıt by matlab? because ı use some digitalization applications but they are not good. there are a lot errors
Alan Stevens
Alan Stevens el 29 de Nov. de 2020
You should be able to pick off several points and fit a quadratic in S to them.

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el 22 de Nov. de 2020

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el 29 de Nov. de 2020

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