NASA NACA-RM-E53H25-1953 Jet effects on flow over afterbodies in supersonic stream《在超音速气流中溢出飞机后体的喷射影响》.pdf

《NASA NACA-RM-E53H25-1953 Jet effects on flow over afterbodies in supersonic stream《在超音速气流中溢出飞机后体的喷射影响》.pdf》由会员分享，可在线阅读，更多相关《NASA NACA-RM-E53H25-1953 Jet effects on flow over afterbodies in supersonic stream《在超音速气流中溢出飞机后体的喷射影响》.pdf（32页珍藏版）》请在麦多课文档分享上搜索。

1、SECURITY INFORMATION-copy 222RM E53H25RESEARCHMEMORANDUMJET EFFECTS ON FLOW OVER AFTERBODIES INSUPERSONIC STREAMBy EdgarM. Cortright,Jr.,andFredD.KochendorferLewisFlightPropulsionLaboratoryCleveland,OhioksWha!foncancplled( w chand to“ -/ / / / T -. 3 0 1 23 4 5 6 7 a 9Jet static-pressurel?dO,PoFigor

2、e 6. - Jet effectsontaee ssure. -mremlkwh number,1.9.” (We premures with m jet flow indicatedon OBUmts. )Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.5 %/%1. rL/.2 /).1%/%=1.U 1.4-1.40 f-2.0 ,-i-. 1-2.0-2.67-. 2-. 3 0 2 4,%/%1.11/%/% 1.41.12./IfI

3、I / 2.0.; ?/I2.67/ /vo 4 e 1CG4 3052 , ,I I I I I II I IIkmiL9convergent.- Convergent-dlverg9nt jconvergent nozzle; jet tOtal-pressure ratio, 8.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- , C&4 back , .10-. 1-. 2-. 3-. 4-. 50.-51.5Jet Bt.atlC-pe

4、BBure TatIO, Pjlpo2.0gle, !%5J in% % dn = 1.54%= 0.67%=2t%) db %=2.3=1 =2% B %FYgure 9. - Effect of nozzle-exit angle. Free-stream Mach number, 1.6.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.24.lt.0(c-.C4-.lf-.24Jet Jetswcific- JetWheatratio, -

5、=*,TJTJ, %Oldr 1.4a75 &lrMm.iioxi& 1.s01”IWG7Ydticohd A 1.5 CUYm?+l.hol- Btimte from r = 1.4 data“1 ?-4JetJetBp!ciflc- Jettitalhat ratio, yy,rj JoAiI 1.4 80JO Alr 1.3 am- Estimate n-m rj . 1.4 6at8r31.3 a75/0 a75 o/ 3-A -1.4y /y .0fo 4 8 lz 16 8 32 16 mJettQtal-p&mre ratiOPj/(a)Ml-by 18-inchtunuel.

6、-Stl=3.9M Mach nWl- (b) & by 6-frettunnel.bar,1.9JEeymMs -r, ai.taly 5.506. Fm.3-stlu3m I&.Oilnmbcr, 2.OJ-lb *., qlmxdmlt.ely 3sm6.RL2=-e 10. - Effect CU W ture.!$!bito-l!#Cn, ZSO!2 a71 .IProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. IWO!2 a71 .1

7、111 Rq-n01d8 number, IIR.?IO 5.%106 18-by 16-in.tmnel)33U06 8- by fi-fttunnel): 5.5106 6/y . O.lB)A 5.3x106 (8/ - “0.05).2ab-”.1/ 4/oJ-. 1 =- “ oForcedtramition-.20/ -. 31 1 1 1 I 1 1 1 1 1 Io 2 4 6 8 10Reynoklsnumber,ko 13. *1O6a75 4XK+3&5.6%T=l.41“Jet Otatic-prOaBuremtio, Pj/PO(a)Free-stream!&b number,1.9 to 2.0. (b)Free-atrem W& number,3.1.FQwre U. - Effectof ReymldO number vlth turbulent lmmdmry layer ahead of base./.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-