Analisis Termodinamico Motor Trent 900

INSTITUTO POLITECNICO NACIONAL
ESCUELA SUPERIOR DE INGENIERIA MECANICAY ELECTRICA





SISTEMAS PROPULSIVOS





ANALISIS TERMODINAMICO DEL MOTOR ROLLS ROYCE TRENT 900 (TURBOFAN)





PROFR.:EDUARDO ENRIQUE ARELLANOS VACA





ALUMNO: SALMERON MORENO LUIS JAVIER





GRUPO: 4AV1


ESQUEMATICO


















DIFUSOR

Condiciones ISA@SL

Datos
P0 = 1 atm
T0 = 288.15 K
V0 = 80.5
ɳdif =0.98

Calculos
















Fan
Datos
= 291.35K
= 105.267Kpa
= 1.55
n = 1

Calculos












Compresor intermedio
Datos
= 337.61K
= 163.16Kpa
= 1.27
= 0.80
n = 8

CalculosCompresor de alta
Datos
= 665.09K
= 1102.96Kpa
= 1.27
n = 6
= 0.80


Calculos









OPR = (πdif)( πfan)( πlc)( πHC)
OPR = (1.03)(1.55)(6.76)(4.19)
OPR = 45.21
PFINAL DE COMPRESORES =(PAMBIENTE)(OPR)
PFINAL DE COMPRESORES = (101.325Kpa)(45.21)
PFINAL DE COMPRESORES = 4580.90Kpa

Cámara de combustión
Datos
= Limite del material de la turbina
= 0.045

Calculos





Turbina de alta
Datos
=1448.15K
= 4413.43
= 1104.04K
= 665.09K
= 0.80
= 0.80


Calculos













Turbina intermedia
Datos
= 967.81K
= 1222.55Kpa
= 665.09K
= 337.61K
= 0.80
= 0.85

Calculos












Turbina debaja
Datos
= 609.46K
= 256.29Kpa
= 337.61K
= 291.35K
= 0.80
= 0.90

Calculos











Tobera del core
Datos
= 558.44K
= 188.44Kpa
= 0.85

Calculos








Tobera no obturada









Empujedel core

Datos
= 539.83K
= 188.44Kpa
= 208.91 m/s
= 80.5 m/s
A = 2.98 m2


Calculos





= AV
= (0.65 Kg/m3)(2.98m2)(208.91m/s)
= 404.65Kg/s
ECORE = (VSALIDA) - (VAMBIENTE) + (PSALIDA -PAMBIENTE)A
ECORE = (404.65Kg/s)(208.91m/s) – (404.65Kg/s)(80.5m/s) + (188440N/m2 – 101325N/m2)(2.98m2)
ECORE = 311563.81N
ECORE = 70042lbf


Tobera del fan

Datos
= 337.61K
PENTRADA = 163.16Kpa
=0.90

Calculos





x = 1.61




y = 1.92



Tobera no obturada





= 328.5K

= 101.325Kpa





= 135.31m/s


Empuje del fan
Datos


= 135.31m/s
= 80.5m/s
A = 3.85m2



Calculos





= AV
=...