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Utilizzo di metodologie CFD con equazioni di Navier-Stokes per la risoluzione del campo aerodinamico su rotori di elicottero

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(1)

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(136)

/0-Z C S 7 + + & * + & " c & * + 5 Z + * &&" C 2 ' ( 6 && + # 7 " & > & 6 & S + + & & + * + W & 5 + & * c& *

(137)

/0A

!8

!

* & A / S & " * R EN/0=. * Q =N/A=.

79

*:%

1 ? =2 0>

(138)

/0E

1 * ? =2 0>

(139)

/0F ! " 1 & > 0 ? =2 0> ' $ !" 1 0 > 0 ? =2 0>

(140)

/<. !" 1 8 > = ? =2 0> ' $ !" 1 < * > = ? =2 0>

(141)

/</ # !" 1 = > @8 ? =2 0> # ' $ !" 1 @ * > @8 ? =2 0>

(142)

/<0

1 > A =2 0>

' $ ! *+

"

(143)

/<< ' $ ! *+ ," 1 ) +B ? =2 0>

*9 5*:%

1 # ? 02 <0>

(144)

/<B

1 & * ? 02 <0>

(145)

/<= ! " 1 8 > 0 ? 02 <0> ' $ !" 1 < > 0 ? 02 <0>

(146)

/<-!" 1 = > = ? 02 <0> ' $ !" 1 @ * > = ? 02 <0>

(147)

/<A # !" 1 > > @8 ? 02 <0> # ' $ ! " 1 * > @8 ? 02 <0>

(148)

/<E

1 A 02 <0>

' $ ! *+

"

(149)

/<F

' $ ! *+

,

"

(150)

/B.

!8

! 0

* & ) & ? 7 & /3 dD + & / & / 1 B 0=.... . -... '6( ' ! 596(

& / = AF.... 0 <<.... A F<.... < =A... & / D /.. /B. & / D . E... A ... ';$!(#6 P / / $ [ !5 /0=. [ 2( 0 [ < /B/=F [ !5 [ //B< M -.... [ / 0.= [ < /B/=F [ / /B< [ / /B< [ 2( [ 2( [ # 0 M F 0 . # . F # + & 0 1 < .... . A=.... '6( ' ! 596( & 0 1 . . & 0 1 = . = '6( ' ! 596( & 0 D . ..0. . ..0-& 0 D . E.... - A=.... #'+ & 0 E <=.... A <... /. E<.... E <-.... & 0 1 / & 0 D F P 0 ;

(151)

/B/

dD

+ *

& / 1 B 0=.... . -...

'6( ' ! 596(

& / = AF.... 0 <<.... A F<.... < =A... & / D )0. )/B & / D . E... A ... * P / ; [ !5 /0=. [ 2( 0 [ < /B/=F [ !5 [ //B< M -.... [ / 0.= [ < /B/=F [ / /B< [ / /B< [ / /B< [ 2( [ 2( [ # 0 M F 0 . # . F #* & 0 1 < .... . A=.... '6( ' ! 596( & 0 1 . . & 0 1 = . = '6( ' ! 596( & 0 D ). ...B ). .../ #'+ & 0 E <=.... A <... /. E<.... E <-.... & 0 1 / & 0 D F P 0 < 0 9&$ dD + H B & / E /F.... / =F.... /. 0-.... 0 F0.... P / e e #; ? ( ? [ / e D [ P / eD MD 1 [ D /F. [ D 1 //B< [ & = [ & )= [ !5 /0=.

(152)

/B0 6 $ => ? (,& P ? 7 P P P P P H 8 D + P 6 $ => & /3 P $'; P P P P P H 8 D + P : * dD [ . = [ . ...F=/-0E [ ? [ /... M /F. = [ ? M -[ D =A. [ D) D ) [ DO D O ? O H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & / / ? 0 / $; < / # B / P : -7

(153)

/B< [ . -E [ . ...F=/EEB [ ? [ /... M /F. = [ ? M E [ D AA= [ D) D ) [ DO D O ? O H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & / 0 ? 0 0 $; < 0 # B 0 P : 7 [ . E [ . ...F=/B=B [ ? [ /... M /F. = [ ? M /. [ D F.F E [ D) D ) [ DO D O ? O H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & / < ? 0 < $; < < # B < P : 7@ [ . EF [ . ...F=.E== [ ? [ /... M /F. = [ ? M -[ D /./B A [ D) D ) [ DO D O ? O H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & / B

(154)

/BB ? 0 B $; < B # B B P : @-[ . F-[ . ...FB-<0 [ ? [ /... M /F. = [ ? M B [ D /.FB < [ D) D ) [ DO D O ? O H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & / = ? 0 = $; < = # B = P & dD [ . /E/=B-= [ F= [ D /F0 BA= [ D 1 //<F .< [ M [ ? D 1 ) D M [ ? M B dD [ D) D ) ? [ DO D O ? O ? [ / / [ & H 8 #677 6H 6' D) DO [ $; ('!' B [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... [ # & . = [ / 0.= [ 2( [ 2( [ [ # $; M # & [ ? M D 1 ? / 0 $; < # B P [ [ / ) /

(155)

/B= & / 1 0 & / D B & / 1 - =... . E=.... M( & / D / ... A ... 7# P / 6 $ => P P P P P H 8 D + P : * [ . = [ . ...F=/-0E [ ? [ /... M /F. = [ ? M -[ D =A. [ D) D ) [ DO D O ? O [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... dD P P D) DO P N. = e . P D /. 0 . & e /B0 ). .= / P e 0 P P / 0 / 1 < / B e

(156)

/B-/ P P D /. /B0 . .= / P 2 e < P P B = B 1 - B B e U / P P 0 . & < 0 / : -7 [ . -E [ . ../-F.0-[ ? [ /... M /F. = [ ? M /. [ D AAB = [ D) D ) [ DO D O ? O [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... dD P P D) DO P N. -E e . P D /. 0 . & e /B0 ). .= / P e 0 P P / 0 / 1 < / B e / P P D /.

(157)

/BA /B0 . .= / P 2 e < P P B = B 1 - B B e U / P P 0 . & < 0 / : 7 [ . E [ . ...F=/B=B [ ? [ /... M /F. = [ ? M /. [ D F.F E [ D) D ) [ DO D O ? O [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... dD P P D) DO P N. E e . P D /. 0 . & e /B0 ). .= / P e 0 P P / 0 / 1 < / B e / P P D /. /B0 . .= / P 2 e <

(158)

/BE P P B = B 1 - B B e U / P P 0 . & < 0 / : 7@ [ . EF [ . ...EB<E=-[ ? [ /... M /F. = [ ? M E [ D /./B [ D) D ) [ DO D O ? O [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... dD P P D) DO P N. EF e . P D /. 0 . & e /B0 ). .= / P e 0 P P / 0 / 1 < / B e / P P D /. /B0 . .= / P 2 e < P P B = B 1 - B B e U

(159)

/BF / P P 0 . & < 0 / : @-[ . F-[ . ...FB-<0-0 [ ? [ /... M /F. = [ ? M B [ D /.FB < [ D) D ) [ DO D O ? O [ ? D) O DO M 0 [ 2( 0 [ < /B [ !5 [ ? M -.... dD P P D) DO P N. F-e . P D /. 0 . & e /B0 ). .= / P e 0 P P / 0 / 1 < / B e / P P D /. /B0 . .= / P 2 e < P P B = B 1 - B B e U / P P 0 . & < 0

(160)

/=. / [ . = [ / 0.= [ 2( [ 2( [ @ / M [ )/ / M /F. = e ! # : 0 / < / = B - / / < . @ . B - . @ . 0 0 . )/ . = = . )/ . 0 0 . / . 0= = = . / . 0= e # A < . @ . E - . @ . A A . )/ . E E . )/ . A 0 < / A 0 F. / D A 0 E . E B < / E B F. / D E B E . A d# N E d# N7 P & / & A. ... & / 1 . . & / 1 I . . & / 1 - =... . E=.... :M# & / D )0 0 & / D I . . & & / D & / & / 1 0 = & / D A E / < P / , 0< 7 , # , / P 56 N '65 . (

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