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Transitional and turbulent boundary layer with heat transfer
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10.1063/1.3475816
/content/aip/journal/pof2/22/8/10.1063/1.3475816
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/8/10.1063/1.3475816
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Cross-sectional view of the boundary layer and free-stream disturbances at the instant of . (a) Instantaneous fluctuating wall-normal velocity component ; (b) instantaneous fluctuating temperature . Labels are -coordinates normalized by inlet boundary layer momentum thickness . Aspect ratio is 1:1.

Image of FIG. 2.
FIG. 2.

Grid-spacings in wall-units. (a) Solid: ; dotted: . (b) Solid: ; dotted: 900; dashed: 1410; dashed-dotted: 1840.

Image of FIG. 3.
FIG. 3.

Boundary layer integral parameters. Lines: present DNS; solid: ; dotted: ; dashed: ; dashed-dotted: . Cross: Blasius solutions; diamond: Purtell et al. (Ref. 20); circle: Adrian et al. (Ref. 21); square: De Graaff and Eaton (Ref. 22).

Image of FIG. 4.
FIG. 4.

Variations of boundary layer wall-parameters with . Lines: present DNS; solid: ; dashed: ; dotted: ; dashed-dotted: ; dashed-dotted-dotted: . Plus: Blasius solution; diamond: Purtell et al. (Ref. 20); circle: Adrian et al. (Ref. 21); triangle-up: De Graaff and Eaton (Ref. 22); square: Gravante et al. (Ref. 23); triangle-down: Schewe (Ref. 24).

Image of FIG. 5.
FIG. 5.

Mean velocity and gradient profiles as a function of . Lines: present DNS at ; solid: ; dashed: ; dotted: ; dashed-dotted: . Diamond: Purtell et al. (Ref. 20) at ; circle: Osterlund (Ref. 25) at .

Image of FIG. 6.
FIG. 6.

Mean temperature and gradient profiles as a function of at . Present DNS: solid: ; dashed: ; dotted: ; dashed-dotted: ; dashed-dotted-dotted: Kays and Crawford (Ref. 27). Diamond: of Purtell et al. (Ref. 20) at .

Image of FIG. 7.
FIG. 7.

Reynolds stresses as a function of at . Solid lines: present DNS; dashed lines: Spalart (Ref. 8); symbols: De Graaff and Eaton (Ref. 22). From top to bottom: ; ; ; .

Image of FIG. 8.
FIG. 8.

Reynolds stresses as a function of at . Solid lines: present DNS at . Diamond: Purtell et al. (Ref. 20) at ; all other symbols: Karlsson and Johansson in Ref. 25 at . From top to bottom: ; ; ; .

Image of FIG. 9.
FIG. 9.

Second-order temperature statistics as a function of . Solid lines: ; dotted lines: . From top to bottom: , , and .

Image of FIG. 10.
FIG. 10.

Turbulent Prandtl number as a function of . Solid line: ; dotted line: . Circle: flat-plate boundary layer of Blackwell (Ref. 11); diamond: pipe flow of Hishida et al. in Ref. 13

Image of FIG. 11.
FIG. 11.

Temperature-velocity correlations as a function of . Lines: present DNS at ; symbols: Chen and Blackwelder (Ref. 9) at with . Solid line and circle: ; dotted line and diamond: ; dashed line and triangle: .

Image of FIG. 12.
FIG. 12.

Isosurfaces of the second invariant of the velocity gradient tensor colored using local at the same instant of Fig. 1. is normalized by . (a) ; (b) ; (c) ; (d) ; (e) ; (f) .

Image of FIG. 13.
FIG. 13.

Isosurfaces of temperature colored using local at the same instant of Fig. 1. Scales of are the same as in Fig. 12. is normalized by . (a) ; (b) .

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/content/aip/journal/pof2/22/8/10.1063/1.3475816
2010-08-26
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transitional and turbulent boundary layer with heat transfer
http://aip.metastore.ingenta.com/content/aip/journal/pof2/22/8/10.1063/1.3475816
10.1063/1.3475816
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