Numerical Simulation of Heat Transfer Coefficient on Turbine Blade

0 downloads 0 Views 4MB Size Report
turbulence or wa5e passing, which is called bypass transition, is a common mode ... [5] calculated the heat transfer coefficient on the turbine blades with v2Yf model ... of Savill [9] and the prediction of flow field around the LP turbine airfoil that.
Available online at www.sciencedirect.com

ScienceDirect Procedia Engineering 105 (2015) 495 – 503

*" +,- .    / (   !"   ./!  0

1$ ,$ ( 2 ! ( /((   !$%  + $ .  & 3 4$ - 1 #5"676 -" # %6 8 " 3$ )5  

              !!"           "           !!!"            $%   !&!'(($%) 

#

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

Most. Nasrin Akhter et al. / Procedia Engineering 105 (2015) 495 – 503

497

;*

    %&  J ;" & . %"   9&      "  ( 

&,$  1  25  !"    & 4$   0            7                             8 7  8 7 8 7  8 7 8 7 7 !" (  (  " "     " $ 6 " 0   4    " $ ( 

$%$  5    & %& " " 6 "      !"    (($        !"   (($     "  !"      "  ( "  " $%& ( " %$ & & M 5  & " 6 "          ($    6 (  &6 "      $  "  3$"6    $   & "    "  ( ( !"    (6

!$%$  8    &                                   7    7           7     7         8 7 8 7  8 7  8 7

0 D  ( $%$  5    &              7   7         87 87 87 87  #  & &6 0 B    9 :  *    9 : 7  7  7  9 :   7 7            " 6 6 

  9  :  0 B   9  :   9  :  !"     ( " ;<   G    6  7      6  7  6     6 :   * 6 :      6 :     0 G

E  ( "      "    $ "   &% $%$     (& "       &   "   &   4$   ($  %&   " "    $ !" $& " & "  5  #%$:"    ," = >  (      6 ""    (?  9  *G   !" "    9&    1,5 4$   ) & %&    (  $ ($    

Most. Nasrin Akhter et al. / Procedia Engineering 105 (2015) 495 – 503

$ " $  " !"   ($ " " N #%     !" $ ($ ( $ ((   " $%  % " (  $%$  ; $ " $  "5 " $& ( $   !"    ( "     "  !"&     ( %" ( (   "  ( $   $ $    (6  %  & ($   " $ 9$ ( "  9&  $%     " $&    ( $ ((     ( , $%$    & 3,!.    ( ,  $% !"   "      "  ;