Gas Turbine Cooling
Transcript of Gas Turbine Cooling
-
8/2/2019 Gas Turbine Cooling
1/19
G a s tu rb ine cooH ngHigh e ff ic ien cy
DS & S in gle c ly stal A dvan ce d c oolin g
MonitorinaL~BIM S eM S & ANN
-
8/2/2019 Gas Turbine Cooling
2/19
Effici1ency improvement c.f.o, TI'T& 1 t
tOICIE;Jm,I; ' lenc~, ,~lf~)
-
8/2/2019 Gas Turbine Cooling
3/19
TIT c .f .0. time & technology level
10001..il:S::~.......I.~~"""""~~~~~~~~1960 1@ l7Q 1990 201)() 2010
-
8/2/2019 Gas Turbine Cooling
4/19
TIT c.f.o. time & technology levelI t - !
I 1 I5 ~ C---- -------- ------- -------- ------- -------- ------- -------- ------- --iRB--I------ ---------'" 1 14 61 5, oCIIF A .
I I " " " " " ' : "IUk; & ; . . .11 =IF 2!5i~
- -- -- - - - -- -- -- - -- -- -- - - -- -- -- - -- -- -- - - -- -- -- 7- -- f4 !3 { 1 I" ,C - -- - -- -- -- - - -- -- -- - - -- -- -- - -- -- -IF ! :5 'i~11 =1I37~1 IF- - - - - - - - - - - I f - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
,~I
L- ~lI2!S
-
8/2/2019 Gas Turbine Cooling
5/19
-
8/2/2019 Gas Turbine Cooling
6/19
Pre!5l ! llhu-e51 'CCr. tl ll 'i3 OI fI l~ M I~
-
8/2/2019 Gas Turbine Cooling
7/19
' - -m p 'nge e t cooled bode
-
8/2/2019 Gas Turbine Cooling
8/19
. ~ ,1 . "
-
8/2/2019 Gas Turbine Cooling
9/19
'jB ~~
-
8/2/2019 Gas Turbine Cooling
10/19
' ~ n m _ ~II' CwlJE f i l l 'rl~hno1tt1lJ -'w il li : - " ,~ , IP l lm ,I ! ! ! [mpt1'lill 'ftDJll6!C,I Slq'l . . e l l ' ! 'm;~-- tUi IJ
-
8/2/2019 Gas Turbine Cooling
11/19
Hect ,oapoci'ty of metols (electric conductive) a:t roomtemperc+ere is obout the some as for cernmics ct70QoC (2 :~5 J I (m ,o ,I '~ ,K )) .,~',elattransf,elr' ~n metcllic tmatle,lr'li',a,1is due to tronsportof excited electrons. In, ceromics the heat tlr1ansfelr'lis,gove,r'lnedby phonons, At elevored tlem,p,e,lrlatureoromsvibrate wlith hi',g'her amp,l~tude and frequency. Thev~brction of eoch ctom is tra.nsferlr'ed tOI thesurroundinq otoms ,and produces ,anelastic ",'lavecolledphonon.
-
8/2/2019 Gas Turbine Cooling
12/19
Heet transfer controlThe phonon tronsfelr' can be reduced by Ijmp,lelm,entot~onof:disorder In +he lcrtice:
-
8/2/2019 Gas Turbine Cooling
13/19
Up tOI 70% of incoming r ,adi ,ation is reflected~
-
8/2/2019 Gas Turbine Cooling
14/19
fmme l6 1 P Sami-Ill ; : : u b s u - a t eI G T 2 g c ~ o o : 1 I D gL 5 0 hr IC}lt\le-=C~l:ille,-I l F r e : w o i I a t a
~ -~~=== -==...,.. '=""" =-==~" ',-- -iF ,=J"""""_ It'md:JtliI~ _
~ wo ~o ~o w o ~oNumber of I . . J . a ;
-
8/2/2019 Gas Turbine Cooling
15/19
oolytmtali_ C 'Q b " tm u .I j J r , y sm ] .
s~~TtrJ
-
8/2/2019 Gas Turbine Cooling
16/19
IPlII , t J U J P11 11."I ,Im NIlZU' OVAml e~tJSfJJ 'W ' , , ',1f!A~ClI:U1J'NIZlll
-
8/2/2019 Gas Turbine Cooling
17/19
Test rig for st a r ceol d b lades
-
8/2/2019 Gas Turbine Cooling
18/19
-
8/2/2019 Gas Turbine Cooling
19/19
S , team coaledtransJtion pence