Corrections to next printing of Aerospace Propulsion Systems

Transcription

1 Corrctions to nxt printing of Arospac Propulsion Systms Compild by Dr Thomas A Ward KEY TO TABLE RED ERROR TO REMOE OR CHANGE BLUE INSERTIONS, ADDITIONS, OR CORRECTIONS GREEN INSTRUCTIONS AND NOTES Pag Lin # Original Corrction xiii xvii 9 xviii 18 xix 4 xix 33 (in figur) (column 1) (columns 1, ) China dvlops th rockts. hp F = static thrust (piston aro ngin) p = ambint prssur Column 1 kg/m or Pa [lbf/ft ] Column J/kg K [cal/(lbm F)] China dvlops th rockt [Rmov s in rockts] h.p. [Insrt priods (full stops)] F = static thrust [Rmov (piston aro ngin) ] P = ambint prssur Column 1 kg/m or Pa [lbf/ft ] Column 1. [Mak p an upprcas P ]. [Mov to Lin 18, which is dirctly aftr: P p = static prssur of air at propllr rotational plan] kg/m or Pa [lbf/ft ] J/(kg K) [cal/(lbm F)] [Add 1 st of parnthsis to units] xix 35 (columns 1, ) Insrt missing symbols Column 1 Column R cold = gas constant bfor combustion J/(kg K) [cal/(lbm F)] R hot = gas constant aftr combustion J/(kg K) [cal/(lbm F)] [Insrt th two itms abov in lin 35, which is dirctly aftr: R= gas constant J/(kg K) [cal/(lbm F)] = mass ratio (Tsiolkovsky quation) 1

2 Pag Lin # Original Corrction xix 35 xix 38 xix 43 xix 44 xx 1 xx 1 last itm J/kg K [cal/(lbm F)] J/mols K [cal/mols F] mg/n s [lbm/lbf s] hp J/kg K [cal/lbm F] hp J/(kg K) [cal/(lbm F)] [Add 1 st of parnthsis to units] J/(mols K) [cal/(mols F)] [Add sts of parnthsis to units] mg/(n s) [lbm/(lbf s)] [Add sts of parnthsis to units] h.p. [Insrt priods (full stops)] J/kg K [cal/(lbm F)] h.p. [Insrt priods (full stops)] xxiv 9 P = constant prssur = propulsiv fficincy p = constant prssur = propulsiv fficincy [Mak P a lowrcas p ] xxiv 11 p= propllr prop = propllr [Rplac p with prop ] xxv 45 NASP = national Arospac Plan NASP = National Arospac Plan [Mak n an upprcas N ] xxvi 5 USAF = unitd stats air forc USAF = Unitd Stats Air Forc [Mak th first lttr of ach word upprcas] 5 (Problm 1.19) quation P 4, until its initial volum quation P 4 kpa m 6, until its initial volum [Insrt th units kpa m 6 aftr 4 ] Equation 1.1, show blow: Equation 1.1, shown blow: [Insrt n to mak th word shown ]

3 Pag Lin # Original Corrction 68 4 Lik th spcific impuls, th ffctiv vlocity 69 9 m p 1 (Eqn.3) m 77 3 Figur.14 shows a sris of curvs lik Figur.14 but for 77 8 on Figur.15 (this is gnrally known as th Summrfild Lik th spcific impuls, th ffctiv xhaust vlocity [Insrt th word xhaust aftr ffctiv and bfor vlocity. Also mak sur it is a boldfac font.] p 1 m m chang - to a + Figur.14 shows a sris of curvs lik Figur.13 but for [Chang th scond rfrnc from Figur.14 to Figur.13 ] on Figur.14 (this is gnrally known as th Summrfild [Chang th rfrnc from Figur.15 to Figur.14 ] 78 4 (Exampl.1) and Arozin 5 (A.5). Assum that th LR-91 and Arozin 5 (A-5). Assum that th LR-91 [Chang th priod (full stop) in A.5 to a hyphn A-5 ] chambr is most suscptibl to rosion burning, sinc chambr is most suscptibl to rosiv burning, sinc [Chang rosion to rosiv ] 165 ill s law constants: n=.8, k=8. ill s law constants: n=.8, k= as shown in Figur 3.33 for diffrnt gas turbin ngins. as shown in Figur 3.33 for diffrnt ngins. [Rmov gas turbin ] 4 Caption of Figur 3.37 Figur 3.37 Effct of Changing Aircraft locity ( ) on a Propllr Blad Cross Sction Figur 3.37 Effct of changing aircraft vlocity ( ) on a propllr blad cross sction [Chang th first lttr of th words in this caption to lowrcas] 3

4 Pag Lin # Original Corrction (last lin) (last lin) controllr that automatically and continuously altrs th pitch (by hydraulic or lctrical This is somtims usd in taxing. controllr that automatically and continuously altrs th pitch (by a hydraulic or lctrical [Insrt th word a aftr th word by in this sntnc] This is somtims usd in taxiing. [Th word taxing is splld wrong. Plas chang to taxiing ] 3 13 A first glanc at Equation 3.68 also sms to implis that as th two sparat (hot and cold jt strams) ar kpt sparat 61 6 This mans that th rsidual rlativ jt vlocity is vry small ( i ). A first glanc at Equation 3.68 also sms to imply that as [Chang th word implis to imply ] th two (hot and cold) jt strams ar kpt sparat 1. [Rmov th first sparat word in th sntnc.]. [Shift th ) parnthsis from aftr strams to aftr cold ] This mans that th rsidual rlativ jt vlocity is vry small ( jt ). [Chang subscript in ( i from i to jt ] m cor F N, total FN m, total cor m cor F N, total [Invrt th fraction] m FN cor, total 33 m ul m ful tcruis m ful m ful tcruis turbofan turbofan turbofan turbofan [Add an f to th subscript in th first trm to mak it ful ] W LPT P Pt 4 hot1 hot hot1 P hot W 6 LPT... 1 Pt 4 [Rmov prim symbol on P 6 ] 4

5 Pag Lin # Original Corrction 33 Figur Caption of Fig Caption of Fig Caption of Fig Th y-axis (vrtical) is labld: SFC [g/j] Figur 4.4 ariation of F s and TSFC with FPR Figur 4.43 Optimizd TSFC vrsus F s (fixd BPR) Figur 4.44 Optimizd TSFC vrsus F s (fixd BPR) Th rquirmnts of an intak (or intaks) ar: Th y-axis (vrtical) should b labld: SFC [g/j] [Mak th j an upprcas J ] Figur 4.4 ariation of F s and TSFC with FPR [Italiciz th variabls F s, TSFC and FPR ] Figur 4.43 Optimizd TSFC vrsus F s (fixd BPR) [Italiciz th variabls TSFC, F s and BPR ] Figur 4.44 Optimizd TSFC vrsus F s (fixd BPR) [Italiciz th variabls TSFC, F s and BPR ] Th rquirmnts of an intak (or inlt) ar: Figur 4.68 shows a typical flow diagram for a singl comprssor stag. Figur 4.67 shows a typical flow diagram for a singl comprssor stag. [Chang th rfrnc from Figur 4.68 to Figur 4.67 ] (last lin) th stator is dtrmind through vctor combination of th stator is dtrmind through a vctor combination of [Insrt th word a aftr th word through and bfor th word vctor.] 347 liminatd xtra blockag, widning th surg margin, and altr th duct charactristics of th ngin, and mov th ngin running lin liminatd xtra blockag, widnd th surg margin, and [Chang widning to widnd ] altr th duct charactristics of th ngin, and shifts th ngin running lin [Rplac th word mov with shifts ] 5

6 Pag Lin # Original Corrction Aftr th combustion th gass lav th primary zon and ntr th scondary zon (Figur 4.86). Aftr th combustion gass lav th primary zon, thy ntr th scondary zon (Figur 4.86). 1. [Rmov th scond tim th word th is usd in th sntnc]. [Rplac th word and with, thy ] discussd in Sction discussd in sction [Rplac th upprcas S in th word Sction to th lowrcas s ] 386 Problm 4.55, Lin 3 Th spcifications of th ngins ar listd in th following Tabl P4.55. Th spcifications of th ngins ar listd in Tabl P4.55. [Rmov th following ] 4 Figur 5.7 Figurs 5.7a and b ar misalignd. Align Figurs 5.7a and b with rspct to on anothr (so that thir rspctiv cntral axis lin up). (S illustration blow.) 45 1 prformanc curvs from shown in this figur). prformanc curvs than shown in this figur). [Rplac th word from with th word than ] 411 Exampl 5., Lin Exampl 5., Lin 7 ngin, assuming that th condi nozzl is optimizd for this cruis condition. Station 3 Intak diffus ngin. [Rmov, assuming that th condi nozzl is optimizd for this cruis condition. ] Station 3 Intak diffusr [Insrt th lttr r making th word diffusr. Not: This lttr should b a boldfacd font.] 6

7 Pag Lin # Original Corrction 419 nd tabl labld Ambint conditions Column 1 Column Altitud km Column 1 Column Altitud 1 km [Th Altitud should b 1 km not km. Insrt a 1 bfor th ] Aftr th rockt boostr burn-out Aftr rockt boostr burn-out [Rmov th word th ] 443 Problm 5., Lin 4 ar listd in th Tabl P5.: ar listd in Tabl P5.: [Rmov th word th ] Nozzl xpansion ratio ().8 Nozzl xpansion ratio () Nozzl xpansion ratio ().5 Nozzl xpansion ratio () Nozzl xpansion ratio ().4 Nozzl xpansion ratio () Tabl A. R= 7.7 (Hlium, column 4, lin 8) Chang to R= Problm Caption of Figur S5. P kPa. Sinc kpa < 5 kpa, th tank will not ruptur and th party is savd. This labling format is not consistnt with th othr figurs in th book. P kpa. Sinc 67.4 kpa < 5 kpa, th tank will not ruptur and th party is savd. Corrct (as shown blow) to b consistnt with othr th figurs: Figur S5.a M vs. station numbr (a) M vs. station numbr Figur S5.b A vs. station numbr (b) A vs. station numbr Figur S5. 7

8 Pag Lin # Original Corrction (Column 1) (Column ) fd instability buzzing chugging scraming or scrching ful slurry fd instability buzzing 18 chugging 18 scraming or scrching 18 [Insrt pag numbrs for ths indx ntris] Rmov this indx ntry 55 9 (Column ) trtiary zon trtiary zon 36, 365 [Insrt pag numbrs for this indx ntry] (Column 1) US Navy (USN) 395, 359, 395, 437 US Navy (USN) 359, 395, 437 [Th pag numbr 395 is mistaknly ntrd twic. Rmov th first ntry] 8