The Internal-CombEunsgtiinoen inT heorya ndP ractice VolumeI ThermodynamFilcusi,Fd l owP,e rformance CHAPTER IntroductSiyomnb,o lsU,n itsD,e finitions 2 AirC ycles 3 ThermodynamiocfAs c tuaWlo rkinFgl uids 4 Fuel-ACiyrc les 5 TheA ctuaCly cle 6 AirC apaciotfyF our-StrEonkgei nes 7 Two-StroEkneg ines 8 HeatL osses 9 FrictiLounb,r icatiaonndW, e ar 10 CompressoErxsh,a usTtu rbineHse,a tE xchangers 11 InfluencoefC ylindSeirz oen EnginPee rformance 12 TheP erformanocfeU nsupercharEgnegdi nes 13S upercharEgnegdi neasn dT heiPre rformance V olumIeI C ombustiFoune,l Msa,t eriaDless,i gn CHAPTER1 CombustiionnS park-IgniEtnigoinn eIs:N ormalC ombustion 2 CombustiionnS park-IgniEtnigoinn eIsI :D etonatiaondn Preignition 3 CombustiionnD ieseEln gines 4 Fuelfso rI nternal-CombuEsntgiionne s 5 MixturRee quirements 6 CarbureDtoesri gn andE missionCso ntrol 7 FuelI njection 8 EnginBea lancaen dV ibration 9 EnginMea terials 10 EnginDee sigIn: P reliminAanrayl ysiCsy,l indNeurm ber,S izea,n d Arrangement 11 EnginDee sigInI :D etaiDle sigPnr ocedurPeo,w er-SectDieosni gn 12 EnginDee sigInI IV:a lveasn dV alvGee ara ndA uxiliaSryys tems 13F uturoef t heI nternal-CombuEsntgiionneC .o mparisowni thO ther Prime Movers 14 EngineR esearcahn d TestinEgq uipment-Measurements-Safety TheI nternal-Combustion Engine inT heorayn dP ractice VolumeI: T hermodynamiFclsu,iF dl owP,e rformance SeconEdd itioRne,v ised byC harlFeasy etTtaey lor ProfessoofAr u tomotiEvneg ineerEimnegr,i tus MassachusIentsttsi touftT ee chnology THE M.I.T.P RESS 1111111 MassachuIsnestttiostfT u etceh nology CambriMdagses,a chuasnedLt otnsd,oE nn,g land Copyrig©h 1t9 6a0n d1 96a6n dn ewm ateri©a 1l9 8b5y T heM assachusIentsttsi tute ofT echnology Allr ighrtess ervNeod .p arotf t hibso okm ayb er eproducienad n yf ormb ya ny electroonrmi ecc hanicmaela ns( includpihnogt ocopyriencgo,r dionrgi ,n formation storaagned r etriewviatlh)o puetr missiinow nr itifnrgo mt hep ublisher. Printeadn db ounidn t heU nitSetda toefAs me rica. FirsMtI T Prespsa perbaecdki ti1o9n7, 7 Seconedd itiroenv.i se1d9.8 5 LibroafCr oyn gCraetsasl ionPug bilnigc Daattiao n TayloCrh,a rlFeasy ett1e8,9 4- Thei nternal-combuesntgiioninent heorayn dp ractice. Bibliogravp.hI y,p: . Includiensd ex. Contentvs.I: . T hermodynamiflcusifl,do w, performance. I.I nternal-combuesntgiionneI s.T. i tle. TJ785.T1398825 6 21.4834 -28885 ISBN9 78-0-262-2(h0c0:.a5 l1k-p.6a per)-978-0-262(-p7h0:.a0 l2k6p.-a 9p er) 20 19 18 17 16 15 14 Preface Whent hea uthourn dertotohket asokf t eachiinntg h efi elodf i nternal combusteinogni naetst heM assachusIentsttsi toufTt eec hnoloigtwy a,s evidetnhta cto mmercial devehlaodpb meeennlt a rgely empainrdi cal thaat r atioqnuaaln titabtaisvifeso dre sigann,df ort hea nalyosfip se r formancwea,sa lmosetn tirlealcyk iInnga .n a ttemptotfi ltlh igsa pt,h e SloaLna boratofroiArei sr craanfdtA utomotiEvneg inweesr ees tablished in1 929a tt heM assachusetts IonfTs etcihtnuotleo lgayr,g etlhyr ough theg enerosoifMt ry. A lfrPe.dS loaJnr,,. a ndt heu ntiring entohfu siasm thel ate SamSu.Se tlr atttohne,nP resident of MIT. Thei ntervenyienagrh sa veb eens penitn r esearicnht toh eb ehavior ofi nternal-combeunsgtiinaoennsd h owt oc ontriotlA. largaem ount oft hel aboratwoorrykh asb eend oneb ys tudenatssp arotf t heirre quiremefnotrgs r aduatiOotnh.ep ra rthsa veb eend oneb yt het eaching staffa ndt hep rofessiloanbaolr atsotraywff i thf unds provbiygd oevd ernmenotrb yi ndustry. Ther esulotfts h iwso rkt,r anslaittie sdh ,o pedi,n tcoo nvenifeonrtm forp ractiucsaeil n e ngindee sigann dr esearicsht ,h es ubjeocftt hese twov olumes. Gratefauclk nowledgimsem natd et oa ltlh osweh oi nv ariocuasp acist ie -studenttse,a chisntga fft,e chnisctaalff a,n ds taffe ngineers-have contribubtyte hde ilra boratwoorryk t,h eiwrr itinagnsdt, h eicrr iticism. v vi PREFACE Speciaaclk nowledgmaenndtt h ankasr ed uet oP rofesEs.oS r. T aylor, Directooftr heG asT urbinLea boratoartMy I T andl onag colleague int hew orko ft heS loaAnu tomotiLvaeb oratorainedts ,oP rofessors A.R .R ogowsaknid T .Y .T oonogf t heS loaLna boratotreiaecsh isntga ff. Thea uthowri lble g ratetfour le adewrhso n otihfiym o fe rrotrhsa t diligpernoto freamdaiynh ga vel efutn discovered. C.F AYETTTEA YLOR Ca mbriMdagses,a chusetts Novemb1e9r7 6 PreftaoSc eec oEnddi tRieovni,s ed Sincteh ep ublicaotfit ohniv so lumien 1 96t6h erhea veb eenn od evel opmenttsh arte quicrhea ngeisnt heb asipcr incipalnedrs e lationships discusisnet dh ivso lumeN.e ithhearv et herbee ena nyi mportacnotm petittoort sh ec onventiroencailp rocianttienrgn al-comebnugsitnfieoo rn lanadn ds eat ransportaantdif oonrm osto thepru rposeexsc epati rcraft, nuclear-povweesrseedal nsd,l argeel ectgreince ratsitnagt ioTnhset. o tal instalploewde orf r eciprocianttienrgn al-comebnugsitniseotsni e lxlc eeds thaotf a lolt hepro wesro urcceosm binbeyda tl easotn eo rdeorfm agni tude( sepe. 5 ). On theo thehra ndt,h erhea veb eent woi mportacnhta ngiense mpha siso,n et owaridm provfeude elc onomayn dt heo thetro warrde ducaeidr pollutbiyoe nn gineex haugsats es. Thep etrolecurmi soifts h e1 970csa usetdh ei ncreaesmepdh asoinsf uel economeys,p eciialntl hyec asoef r oadve hicalnedsl argmea rinDei esel enginIenst .h ec asoef p assencgaerrst ,h eg reatgeasitn hsa veb eenm ade byr educitnhges izwee,i ghatn,d a irre sistoafnt cheev ehictlheesm selves andb yr educienngg insei zaec cordinTghliysc. h angpel,u wsi der-range transmissainodrn esd ucreadt ioofm aximume nginpeo wetro c arw eight allorwo aodp erattioot na kpel acnee arteort hee nginaer'esoa f b esftu el economy. Increaisnef su eelc onomoyf s park-igneintgiionnhe asv eb eena ccom plishcehdi efltyh rouigmhp rovseyds teomfsc ontrooffl u el-raaitrif ou,e l distribuatnidso pna,r tki minIgn.t hec asoef D ieseenlg inseusp,e rcharg ingt oh ighemre ane ffectipvree ssuraensdi, n m anyc aserse ductiino n ratepdi stosnp eedh,a vea chievneodt abilmep rovemeinnte sffi ciency. Int heo themra jocrh angiene mphassiisn cteh e1 960psu,b ldiecm and PREFACE vii forre ducaeidpr o lluthiaosbn r ougshttr inggeonvte rnmelnitm itatoino ns thea mounotf u ndesireambilses ifornosmr oad-veheincgliena ensd o ther poweprl antIsnt. h eU niteSdt atetsh,ep robleomfr educianigpr o llution hasr esulitnem do rer esea,rd cehvelopmeanntdt, e chnilciatle ratthuarne anyo theerv enitn t heh istoorfyt hei nternal-conm beunsgtiinToeh.e methoduss edf orr educing poalrleou uttiloinn ienVd o lum2e, t ogether witrhe ferentcote hsee xistliintge ratSuereae l.st oh er eferenocnpe asg es 555a nd5 56o ft hivso lume. Thed evelopmednetssc riabbeodv hea veb eeng reatalsys isbtyet dh e receanvta ilaboiflp iotwye rful compTuhetseaerr sen. o wg eneraulsleyd ine nginrees eardcehs,i gann,dt estiTnhge.ym akep ossimbalteh ematical "modelinogf"m anya specotfse nginbee haviionrc,l udfliunigd fl ow, eombustiaonnd,s tredsiss tribuEtnigoinn.te e setq uipmeanntd p roce dureasr en owu sual"lcyo mputeriAzne edx.t"r emeilmyp ortaanptp lica tioonf c omputenrosw,e xpandirnagp idilsyt ,h eu seo fr elatisvmeallyl electrcoonmipcu tseyrs teampsp liteodi ndivideunagli innes tallaftoiro ns purposoefsc ontraonld t hel ocatioofmn a lfunctiTohnesu .s eo fs uch systeimnsr oavde hicilseb se comignegn eriantl h eU niteSdt ates,i ta nd hasa ssisted girnte haect olnyt roofle x hauesmti ssioanses x,p laiinne d Volum2e. Thed evelopmemnetnst ionheedr aer ec overiendm ored etaaitla ppro priaptoei nitnst hestew ov olumes. c.F AYETTTEA YLOR Janua1r9y8 4 DEDICATEDT O THE MEMORY OF THE LATE SIRH ARRY R.R ICARDO,L .L.DF..,R .S., WORLD-RENOWNED PIONEERI N ENGINE RESEARCHA ND ANALYSIS, VALUED FRIENDA ND ADVISER. Contents Volume I TherInodynaInicFlsu,i dFl ow,P erforInance Chapte1r I NTRODUCTISOYNM,B OLSU,N ITSD,E FINITIONS 1 2 AIRC YCLES 22 3 THERMODYNAMOIFCA SC TUALW ORKINGF LUIDS 40 1- FUEL-AICRY CLES 67 5 THE ACTUALC YCLE 107 6 AIRC APACITOYF F OUR-STROEKNEG INES 147 7 TWO-STROKEEN GINES 211 8 HEATL OSSES 266 9 FRICTIOLNU,B RICATIAONND,W EAR 312 ix