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Debitul de aer raportat la starea normala Da= 385Debitul de gaze raportat la starea normala Dg= 350

Temperatura aerului la intrare t'a= 22

Temperatura aerului la iesire t''a= 203

Temperatura gazelor la intrare t'g= 890

Compozitia gazelor de ardere r Co2= 5

r O2= 7.5

r 2o= !2.5

r Co= 0.25

r "2= 7#.75$oe%$ientul de retinere a temperaturii &r= 0.97

iteza aerului in $onditii normale prin tei (a!= !5

iteza aerului in $onditii normale prin spatiul inelar (a2= !0

iteza gazelor in $onditii normale (g= 0.8

diametrul e)terior al teilor interioare de= 0.0#

grosimea peretelui teilor interioare *p= 0.5

$ondu$tiitatea termi$a a peretelui +p= #0

diametrul interior al teilor interioare di= 0.039

grosimea irolei interioare,e)terioare *= 0.005

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n= 5

ngr= !#

"m-3,"m-3,

/C

/C

/C

m,s

m,s

m,s

m

mm

1,m4

m

m

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6

t

0 !.297 2#.#7 !7.2 !.2928

!00 !.3 32.!7 2!.9

200 !.307 39.32 2300 !.3!7 #.!7 29.7

:aze de ardere

Caldura spe$i%$a medie

t "2 O2 Co Co2 2O

00 !.3#5 !.#!7 !.357 2.0#! !.!

700 !.359 !.#3# !.372 2.088 !.#

800 !.372 !.#5 !.38 2.!3! !.7900 !.385 !.#5 !.# 2.!9 !.95

!000 !.397 !.#78 !.#!3 2.20# !.72

;as$ozitatea dinami$a

t "2 O2 Co Co2 2O

00 3.9 #3.5 37.# 37.7 33.!

700 39. #7 #0.# #!.# 37.9

800 #2.3 50.2 #3.2 ##. #2.

900 #5 53.# # #8.! #7.5

!000 #7.5 5.5 #8.7 5!.5 52.#

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Condu$tiitatea termi$a

t "2 O2 Co Co2 2O

00 0.# 7.# 59.7 2.! 8!.8

700 #.2 72.8 5 8.8 95.

800 7.5 77.7 70.! 75.! !!0900 70.! 82 75.5 80.9 !2#

!000 72.3 85.8 80. 8.3 !#!

Densitatea la starea normala

t "2 O2 Co Co2 2O

0 !.205 !.#289 !.25 !.97#8 0.803

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Temperatura Cam +a!3-3 &a!0-

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aa!0-5 ?ra

2!.7837 0.99532

52.7!#8 0.802!

35.890# 0.8209!

35.890# 0.8209!

#2.#895# 0.7559

28.##589 0.900#73!.#!3 0.878!

#3.920#8 0.7#33

#7.#772 0.7!2!

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Temperatura Cgm +g!0-3 &g!0-

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ag!0-# ?rg

@D>;,0A @D>;,0A

@D>;,0A @D>;,0A

@D>;,0A @D>;,0A