martin zavaleta bryan

CONTENIDOPROYECTO DE TURBOMÁQUINAS PARA UN PERFIL DE FX84-W-140........2

1. VELOCIDAD DE ROTOR: 287 rpm............................................................................2

1.1. CALCULO DE LA GEOMETRÍA............................................................................4

1.2. DIBUJO DEL ALABE EN SOLIDWORKS...............................................................4

2. VELOCIDAD DE ROTOR: 345 rpm............................................................................5

2.1. CALCULO DE LA GEOMETRÍA............................................................................6

2.2. DIBUJO DE ALABE EN SOLIDWORKS.................................................................6

MARTIN ZAVALETA BRYAN 1

UNIVERSIDAD NACIONL DE TRUJILLO

PROYECTO DE TURBOMÁQUINAS PARA UN PERFIL DE FX84-W-140

1. VELOCIDAD DE ROTOR: 287 rpm

λ=ΩRV

=287∗2∗π∗16∗60

=5

φ=23atan( 1λ )=7.54 °

PARA ℜ=500000

α=6.9 ,CL=1.2111,C L

C D=119.792285

C pmáx=1627

.[1−1.382 . sen (7.542 )]2

.(e−0.35 (5−1.29)− 5119.792285 )

C pmáx=0.49431

P=(ηmec ) . (ηelect ) . (C pmáx ) ρπ R2

2.V v

3

P= (0.98 ) . (0.7 ) . (0.49431 ) (1.23)π 12

2.63

P=141.52Watt

C= 8 πRB .CL

(1−cos (φ))

C=8 π (1)2(1.2111) (1−cos (7.54 °))

C=8.97 cm

V r=V v √1+λ2

V r=6√1+52

V r=30.594m /s

ℜ=V rCν



ℜ=(30.594)(8.97∗10−2)1.33 x10−5

ℜ=206372 ,368

PARA ℜ=206372

α=8.5 ,CL=1.3362 ,CL

CD=81.210578

Siguiendo los pasos anteriores:

C pmáx=0.4836P=138.45watts

C=8.14 cm

ℜ=187206,164

PARA ℜ=187206

α=8.7 ,CL=1.3471 ,CL

CD=77.197707


C=8.07cm

ℜ=186504 ,596

COMO LOS NÚMEROS DE REYNOLDS SE ASEMEJAN NOS QUEDAMOS CON ESTOS VALORES.



1.1. CALCULO DE LA GEOMETRÍA r λr φr (°) φr (rad) β (°) β (rad) C (cm)

0.05 0.25 50.64250435 0.88387844 41.9425044 0.7320348 17.06375750.1 0.5 42.28996588 0.73809915 33.5899659 0.5862555 24.2774195

0.15 0.75 35.42006824 0.61819681 26.7200682 0.46635317 25.89699660.2 1 30 0.52359878 21.3 0.37175513 24.9955375

0.25 1.25 25.7732055 0.44982729 17.0732055 0.29798365 23.19936870.3 1.5 22.46004502 0.39200174 13.760045 0.24015809 21.227986

0.35 1.75 19.82992086 0.34609741 11.1299209 0.19425376 19.35999910.4 2 17.71003412 0.30909841 9.01003412 0.15725476 17.6836953

0.45 2.25 15.97499265 0.27881622 7.27499265 0.12697257 16.2111320.5 2.5 14.53427299 0.25367092 5.83427299 0.10182727 14.9266133

0.55 2.75 13.32207101 0.232514 4.62207101 0.08067036 13.80649590.6 3 12.28996588 0.21450037 3.58996588 0.06265672 12.8268956

0.65 3.25 11.40181931 0.19899929 2.70181931 0.04715564 11.96637920.7 3.5 10.63026393 0.18553311 1.93026393 0.03368946 11.2066227

0.75 3.75 9.954278119 0.17373493 1.25427812 0.02189128 10.53229240.8 4 9.357495645 0.16331911 0.65749565 0.01147546 9.93066826

0.85 4.25 8.827013277 0.15406044 0.12701328 0.0022168 9.391221810.9 4.5 8.352538473 0.1457793 -0.34746153 -0.00606435 8.90522689

0.95 4.75 7.925772026 0.13833082 -0.77422797 -0.01351283 8.465427241 5 7.539954983 0.13159704 -1.16004502 -0.02024661 8.06576253

1.2. DIBUJO DEL ALABE EN SOLIDWORKS



2. VELOCIDAD DE ROTOR: 345 rpmλ=ΩR

V=345∗2∗π∗1

6∗60=6

φ=23atan( 1λ )=6.31°

Para ℜ=500000

α=6.9 ,CL=1,211 ,CL

CD=119.792286


C=6.28cm

ℜ=172396 ,77

Para ℜ=172396

α=8.9 ,CL=1.3591 ,CL

CD=73,5443725

C pmáx=0.48501P=138.859watts

C=5.60cm

ℜ=156623,477

Para ℜ=156623

α=9 ,CL=1.3604 ,C L

C D=68.8461538

C pmáx=0.48185P=137.97 watts

C=5.59cm

ℜ=155785 ,782



2.1. CALCULO DE LA GEOMETRÍAr λr φr (°) φr (rad) β (°) β (rad) C (cm)

0.05 0.3 48.86717051 0.85289302 39.7671705 0.69406806 15.68358420.1 0.6 39.35749565 0.68691788 30.2574956 0.52809292 20.7892603

0.15 0.9 32.008525 0.55865415 22.908525 0.39982919 20.90387560.2 1.2 26.53704739 0.46315885 17.4370474 0.30433389 19.3146347

0.25 1.5 22.46004502 0.39200174 13.360045 0.23317677 17.3828750.3 1.8 19.36973607 0.33806567 10.2697361 0.17924071 15.5652932

0.35 2.1 16.97556337 0.29627947 7.87556337 0.13745451 13.97867530.4 2.4 15.07990997 0.26319408 5.97990997 0.10436912 12.6263511

0.45 2.7 13.54875789 0.23647043 4.44875789 0.07764547 11.47930540.5 3 12.28996588 0.21450037 3.18996588 0.05567541 10.5035081

0.55 3.3 11.23893251 0.19615638 2.13893251 0.03733141 9.668267450.6 3.6 10.34940733 0.18063123 1.24940733 0.02180627 8.94808051

0.65 3.9 9.587596394 0.16733512 0.48759639 0.00851016 8.322389590.7 4.2 8.928331836 0.15582879 -0.17166816 -0.00299617 7.77478733

0.75 4.5 8.352538473 0.1457793 -0.74746153 -0.01304566 7.292187090.8 4.8 7.845525955 0.13693026 -1.25447405 -0.0218947 6.8641103

0.85 5.1 7.395815341 0.12908133 -1.70418466 -0.02974363 6.482115570.9 5.4 6.994318008 0.12207388 -2.10568199 -0.03675108 6.13935428

0.95 5.7 6.633751125 0.1157808 -2.46624887 -0.04304416 5.830228511 6 6.308214805 0.11009912 -2.79178519 -0.04872584 5.55012835

2.2. DIBUJO DE ALABE EN SOLIDWORKS



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