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TS Transpor Polutan - istiarto

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Penyelesaian Analitik<br />

Persamaan Difusi<br />

• Penyelesaian persamaan difusi 2D<br />

c<br />

<br />

x,<br />

y,<br />

t<br />

<br />

<br />

<br />

<br />

<br />

M <br />

x<br />

exp <br />

<br />

2<br />

<br />

x<br />

2<br />

<br />

<br />

<br />

<br />

M <br />

y<br />

exp <br />

2<br />

<br />

<br />

<br />

2<br />

2<br />

x<br />

2x<br />

<br />

y<br />

2<br />

y<br />

y<br />

2<br />

<br />

<br />

<br />

<br />

• Untuk medium homogen, x = y = <br />

c<br />

<br />

x,<br />

y,<br />

t<br />

<br />

<br />

<br />

2<br />

<br />

<br />

exp <br />

<br />

<br />

2 2<br />

M t<br />

2<br />

t<br />

2<br />

m<br />

<br />

2<br />

2<br />

2<br />

x y<br />

2<br />

<br />

<br />

<br />

M 2<br />

M 0<br />

L<br />

Teknik Sungai <strong>Transpor</strong> <strong>Polutan</strong> 4-20

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