18.08.2013 Views

Viscous Linear Instability of an Incompressible Round Jet T.M. ...

Viscous Linear Instability of an Incompressible Round Jet T.M. ...

Viscous Linear Instability of an Incompressible Round Jet T.M. ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Components vi<br />

v1 = 1<br />

<br />

1 −<br />

2<br />

1<br />

8 r2 − α 2 − (iα − iω)R + 1<br />

96 r4 − α 2 − (iα − iω)R 2 <br />

,<br />

v2 = 1<br />

<br />

−<br />

2<br />

1<br />

2 iαr2 − 1<br />

24 iαr4 − α 2 − (iα − iω)R <br />

,<br />

v3 = 1<br />

<br />

1<br />

2 4 r2R − 1<br />

48 r4R − α 2 − (iα − iω)R <br />

.<br />

Components wi<br />

w1 = − 1<br />

2 i<br />

<br />

− 1 + 3<br />

8 r2 − α 2 − (iα − iω)R + 1<br />

96 r4 − α 2 − (iα − iω)R 2 <br />

,<br />

w2 = − 1<br />

2 i<br />

<br />

− 1<br />

2 iαr2 − 1<br />

24 iαr4 − α 2 − (iα − iω)R <br />

,<br />

w3 = − 1<br />

2 i<br />

<br />

− 3<br />

4 r2R − 1<br />

48 r4R − α 2 − (iα − iω)R <br />

.<br />

Components pi<br />

Components u ′ i<br />

p1 = 1<br />

2 iαr3 ,<br />

p2 = 0,<br />

p3 = r 1 + 1<br />

8 α2 r 2 .<br />

u ′ 1 = − 3<br />

4 r2 R,<br />

u ′ 2 = 1 − 3<br />

8 r2 − α 2 − (iα − iω)R ,<br />

u ′ 3 = 3<br />

8 iαr2 R.<br />

29

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!