Problemns
n a De - Lavel Ausbine, steam í56ues hrom e
nosile with a velo cihy of 1200 ms.The no zzle angk
i ad. he mean blade ve\oily 400m and dhe
inlet an d. outlef angles of the blade ao ceaual.
The mass o steam FLacin q, thougtuabime
the
pes hr s 1ooo kq. Cal tulate (o elade angus.
C1) Relahve velouh steam enteivma the blaele.
) Tangcntial force, o n he plates.
fower dexeloped. ) elade etheient. 2
fake blade velocihy oe kiienb as O.3.
CO Cfo
CAO
K=20
C 1a00 ms
k 0 8
mis looo kgl h.
Cb Aboms
Fopm dhe PLSS
9im a Cf
C
SimaD Cf
l2oO
CP 2o0 x sm(1)
410.424 ms.
ho ne Ale PLs
Cos = Cw
C
Cos ad = Cw
1200
Cuo
Cuo 1200 x Cosao
-
I124- 63 ms
ton
kne CF uo 4 R4 0.564
Cuo-Cbl 24-13 - 400
e an (o.5t4)-24 42
sine c
CY
C cf 410.4 24
Sm sm 30o
20 84 m|s .
1
Cyekx C = 0.x g20 248 656.64 ms
mpuCse
thubntt 50, Blade ang le - - - 20
8, sauny
Avmw
Relahve velocihy f sheom =Sa0.86mls
t Mangenhal oio on he blade isCo, t Guwo
Heye
Sn & fo
Co C4 sim 656.G4x sim3o
328- 34. m S
tan Go
Cbe + Cdo
Cb+ Cwo Cfo 328.34 68-
tan 3o t a n 3o
Cwo56g.4 - Cb
m
- 568. 4-400 - 169. t m
Cw t Cuw)
oyue =m
So,tangcntial
loo6 6.4 t 1127.
6ox 6o
3G0 0bN
Povwe deveboped =
msCw + Cws )
3 6 0 . 06 168.4 +1129-63 Hoa
lOoO
144.0 2 kw
ads eheie
CbLrC Cao
Note
Step Sekct suitab e stale.and draus hme
a
LM
boepvesent Ch (A00 mjs). At Roin
L, makes angu o ( ) and t LS
tonepiecent velouhy C{1aoomls).
LS
Ster 2 Prodauce M Ao meet the
pefpen diula
inef
v e l o u h
drcuusnom S at P. Tus tue inei
ve leahy biang lomple d.
ymeas mement, =20. emd C1 =
MS -830m
md = = 30
Nan Coo = k x C, - 6b4 ms
A+ oint M ,makts on ange ot 3 0 4
brn d Cut the ength M Co
bo 1epvesmt C7o
No 1uin LN. meet he
yo duce L to
PeLndacul as dsauon om N at .
Hois a
Heewn
P u s s
onve vson
F-32) x5
Given
Dry bulb tempeyahure = 3oc 22 F
30'e(F-32) x5
F R °F
Guven, Wet bulb tempc Yatunt - 25c
25-(F-3) x5
Relabve humidiy - 68°/.
Speci he Humidity o.o18
Peuw point Aemp 23.5C
Speeihu ve unt t o. 8$ ml9
Enmalpy e} 15
n he slimay Psyononees tn a tabosaton utordud
Dny Bulb teme - 35c.
wet bulb temp - 25c
eaualat speci he umidihy, aelahve wumidby
.ewknalpy
speci iu veluume, deuo poimt tempe sahnve, tWthalpy
of mixhMie pe» kg of
dy a1o
ake abmospheie pressmC .013a5 bas .
tpownd
Avns O455
Conves ion
(F-3a) *5 pc =(F-3a) x5
35-(F-3a)*5 a5- F-32) x5
F= 95F F1 F
Kelahe uamidiby A4.4°
Duo poimt tampeYahue - a1a%.
Enthalpy13f dsy au 461
kg/ f doy ar.
SP vo eme 1.
sp. huwidehy "o.O15 G tylyof dy
ait
ensible. Heafing ofai T
Imp trpic s Ccat a)
Hod
Cambustioy phenomeno n in $1
eng1mes
Onat ave the s taqes of twmbushen m a Sl
Fx
engme
pla m with suppo o P-e diagnam. [11 Mauk)
ith nea
ske-tthes, descibe the tees ot
chambes wsed m SI dembusti.
engines
Combusti9n Yhenormen.on 'm Cencine
ona ouLe the
staqes ocombushon im a
Cteng
Fxploin iBh he suppon o
P-e dhagam 7.
uthnuat ske tck, desebe tu ytesomuhs
ehampts wsed m
cengmest
AHeynave Auuuls for
Cevname S
Descmp the muud fov
altemahve fues 'm tC eng
frplain ornt t vanons
altemative fufuds m
ds m
