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0 180 360 540 720 -20000 -10000 0 10000 20000 30000 40000 50000 Variatia fortelor Tsi Z [alfa] Z T a o T,Z [N]

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Chart1-10473.47102467590-8929.3488156408-3776.35316443-5278.6236963305-5352.2792212243-1716.812047365-4041.9707261918-45.752317144-976.8330037298-563.90216088091950.1559780365-2276.4463945123463.1376358335-3962.50906025653446.1569651849-4998.18835672892503.2375787596-5417.29625969891258.2307671682-5549.71835316250-5458.0359662443-1267.6930431382-5042.2500718375-2525.304962614-4020.358251023-3496.4678638249-2354.4209483818-3581.7596305332-640.2321888139-2214.1298916047-20.4363379756436.3252105265-1277.03475561963006.5825239673-3437.3349964263485.2980125382-2636.70153333651115.09992325891624.6451730841-039769.576892899516819.139967348816827.327420188817062.12832758373579.08044637748426.3961294694275.15499330265874.6855979552-1726.42529762325970.5368206676-3908.48349344325945.9411466084-5760.16412661215009.5607161206-6877.46034159343444.4314509133-7351.30076791961707.4260593268-7461.87400777650-7325.1035860678-1701.3414557462-5350.552664476-2679.7118357529-4272.2605419-3715.5449235996-2514.2068747222-3824.8405379158-690.1449102662-2386.7442188281-23.8852866282509.9618497694-1534.69262485963613.198470331-4963.46182571855032.7197245754-8542.51417474183612.7550958103-10087.31084477510

ZTaoT,Z [N]ZT[alfa]Variatia fortelor Tsi Z

Chart20-10473.4710246759-832.2047521282-9695.0561367063-1227.3876875057-7517.3639654743-986.8806605875-4391.4656957978-258.3449594634-977.9038765134563.90216088092030.04777917111094.86079416524144.33715711131180.13692889155251.4260807239912.69966209075589.9986784484477.38803769255561.496509825105549.7183531625-480.97814014055603.3206458704-920.74559986265639.27751943-1197.36590308245328.0923405408-1132.36278945954286.2921100989-640.23218881392304.83587973115.395792726-436.8035407948734.0820476845-3266.551123201799.2505045167-4895.1582317487245.7374654401-2862.8033140178-01624.64517308413706.477545420243179.88785860283912.696884137623964.0391247632057.37446952219154.99691820691553.68973700635881.12583993581726.42529762326215.13107144331879.7918334167115.50836816661715.52475941887633.8187910121255.86618226657691.7857985146647.81818823397546.981299068107461.8740077765-645.50961572147520.0867877747-977.04353264145984.0846700232-1272.38887247265661.9329046856-1209.21210452844577.1870564118-690.14491026622484.5216769583134.8706205703-510.5209056812882.192359813-3925.61901345521154.1061236334-7068.5374103484796.1522209648-9275.04974692680-10087.3108447751

SN [N]S [N]alfaN.S[N]Forte pe bolt

Chart3-263.1196043174-10210.3514203585-10473.4710246759-263.1196043174-9396.1530776407-9659.2726819581-263.1196043174-7153.3674653114-7416.4870696288-263.1196043174-4016.020206337-4279.1398106544-263.1196043174-680.0420327415-943.1616370589-263.11960431742213.27558235391950.1559780365-263.11960431744260.21984239163997.1002380742-263.11960431745380.22354212975117.1039378123-263.11960431745778.10505777735514.98545346-263.11960431745804.08920270585540.9695983884-221.35096699015771.06932015265549.7183531625-221.00343840815803.64280425875582.6393658506-216.01071072425779.61372329465563.6030125704-195.54642939435387.35564039825191.8092110039-142.08388753234276.09580891624134.0119213839-24.57601639762238.70590800242214.1298916047226.2526409819-647.5377514142-421.2851104323798.9745980459-3981.9731509443-3182.99855289842295.451764521-7124.9209636036-4829.46919908266527.6717080927-9379.908709611-2852.237001518311834.9110142571-10210.2658411731624.645173084152432.7627738906-9412.247438915743020.515334974930824.1817253801-7181.720468860423642.461256519612970.8757042288-4050.04733100378920.8283732256384.7796108511-712.59402271295672.18558813823782.78158253062187.7552381375970.53682066762618.4679786674244.24591603036862.71389469732065.54344406275373.01583403877438.55927810141812.0098231475776.55848072097588.5683038681714.59491064735804.53125689887519.12616754611690.79567985925771.07832791737461.87400777651689.13860216085803.19231896627492.330921127122.69826108065781.08487122785903.7831323084122.69826108065394.41246595485517.1107270355122.69826108064291.87390795754414.5721690381122.69826108062264.04595774752386.7442188281122.6982610806-615.0817608494-492.3834997688122.6982610806-3947.9069193225-3825.2086582419122.6982610806-7096.3816620451-6973.6834009644122.6982610806-9363.5147536326-9240.816492552122.6982610806-10210.0091058557-10087.3108447751

PjPPgPg,P [N]Pj [N]aoFg [N]Fj [N]F [N]Variatia fortelor Fg,Fj,F

Chart40-163.5925666736-231.862078897-175.0991860999-42.316650835784.4812463161150.0239913805149.288384467108.440880042854.50687255830-54.9167807277-109.3968446487-151.4678652205-155.1627259564-95.916662490218.901717606130.2459093722150.983984459948.3064084847-0728.6093637687739.1356805065365.0335947423254.492854223258.6451532426257.5796624707217.0154272584149.213634755873.966125330-73.7025387761-116.085789138-160.9583384224-165.6930518598-103.394358459222.0916752954156.5246643853218.0186813159156.50545728980

aoM [Nm]Diagrama momentului motor monocilindru

Chart50-135.7064288876-239.3260313677-331.0007253575-341.0807533565-218.224133092425.324332422275.1006198021361.3577566807185.61619955670584.0661416975547.0903917167255.4819706804314.5931399016505.8548903112680.9982256801861.583315841147.7741797651905.38877014180648.2964527496664.6370311799182.8533004717-47.4612059872-36.5825301969143.4103294157352.3181357954408.819455883223.86121037680702.3265881671717.6473738303334.7891190724218.5988182033220.8189289565221.685626451186.7709515885127.725328079647.68334972840

aoM [Nm]Diagrama Sum M1 - M4

calculDate de intrare si adoptateP=52(kW)1. Calculul termic(W)70.2(CP)Calculul termic al unui motor, cunoscut si sub denumirea de:n=5000(rot/min)calculul ciclului de lucru al motorului', se efectueaza in scopul determinariiTimpi4anticipate a parametrilor proceselor ciclului motor, a indicilor energetici sii=4de economicitate, a presiunii gazelor in cilindrii motorului. Din aceste dateDispozi]ie1se pot stabili dimensiunile fundamentale ale motorului, se poate trasaAlegerea parametrilor initialidiagrama indicata si se pot efectua calculele de rezistenta a principalelorT0=301(K)piese ale motorului.P0=1.02*105(N/m2)Una dintre metodele folosite in calculul termic analitic este si metoda luiTr=1000(K)Grinevetki inbunatatita, care corecteaza diagrama ciclului teoretic dePr=1.20*105(N/m2)referinta. Aceasta metoda se poate aplica atat in stadiul de proiectare cat sil=0.95pentru perfectionarea protortipului.e=9.5Vom realiza in continuare dupa aceasta metoda calculul termic al unui1.1.motor cu aprindere prin scanteie cu caracteristicile urmatoare:DT=25(OC)Puterea nominala : P=52(kW)vp=1.10Turatia puterii nominale: nn=5000(rot/min)Pa=0.9*105(N/m2)Numarul de cilindrii: i=41.2.n1=1.341.1.Alegerea parametrilor initiali:1.3.c=0.854(kg)Temperatura initiala: T0=301(0K)h=0.142(kg)Presiunea initiala: po=1.02(N/m2)O=0.004(kg)Temperatura gazelor reziduale: Tr=1000(0K)Qi=43500(kj/kg)Presiunea gazelor reziduale: pr=1.2(N/m2)10000kcal/kgCoeficientul de exces de aer: l=0.95(-)x=0.9Raportul de comprimare : e=9.5(-)p=4.24Rm=8.3141.2. Calculul procesului de schimbare a gazelor:1.4.n2=1.27Se adopta:1.5.Preancalzirea amestecului:DT=25(OC)mr=0.95Coeficient de postumplere:gp=1.1(-)hm=0.8Presiunea la sfarsit de admisie: Pa=0.9*105(N/m2)1.6.f =0.93Coeficientul gazelor reziduale:1.7.ainj=25(RAC)0.048(-)adev=40(RAC)aiev=28(RAC)Temperatura la sfarsit de admisie:357(0K)Coeficientul de umplere:0.87(-)1.3. Calculul procesului de comprimare:Se adopta:Coeficientul politropic de comprimare: n1=1.34(-)Presiunea la sfarsit de compresie:18*105(N/m2)Temperatura la sfarsit de compresie:767(0K)1.4. Calculul procesului de ardere:Se adopta:Compozitia chimica a 1 Kg benzina : C=0.854(kg)h=0.142(kg)O=0.004(kg)Puterea calorica inferioara Qi=43500(kj/kg)Coeficientul de utilizare a cald x=0.9(-)Coeficientul de crestere a presiunii: p=4.24(-)Cantitatera minima de aer necesara:0.507(kmolaer/kgcomb.)Cantitatea reala de aer necesara:0.48(kmolaer/kgcomb.)Coeficientul teoretic de variatie molara a incarcaturii proaspete:1.07(-)Coeficientul real de variatie molara a incarcaturii proaspete:1.071(-)Caldura specifica molara medie a amestecului initial:33(kj/kmol K)Caldura specifica molara medie a gazelor de ardere:(kj/kmol K)Rm8.314Temperatura la sfarsitul arderii rezulta din ecuatia:abc0.0030037.9982105263-79674.0518731815Delta2400.8Tc=2067(0K)2431.7Tc1Tc2Presiunea la sfarsitul arderii:1831.7-14486.677.94*105(N/m2)Gradul de destindere politropica:0.80(-)1.5. Calculul procesului de destindere:Se adopta:Coeficientul politropic al destinderii n2=1.27(-)Gradul de destindere:11.87(-)Presiunea la sfarsitul destinderii:3.37*105(N/m2)Temperatura la sfarsitul destinderii:1247(0K)1.6. Parametrii principali ai motorului:Se adopta:Coeficientul de rotunjire al diagramei mr=0.95Randamentul mecanic hm=0.8Presiunea medie a ciclului teoretic:=8.60*105(N/m2)Presiunea medie indicata:8.17*105(N/m2)Randamentul indicat:0.25Presiunea medie efectiva:6.54*105(N/m2)Randamentul efectiv:0.20Consumul specific efectiv de combustibil:0.407(kg/kwh)407(g/kwh)1.7. Dimensiunile principale ale motorului:Se adopta:Raportul cursa - alezaj f=0.93Capacitatea cilindrica:0.48(l)Alezajul:93(mm)Cursa:87(mm)Viteza medie a pistonului:14.44(m/s)Cilindrea totala:1.91(l)Puterea litrica:27.2(kW/l)1.8. Diagrama indicata:Se adopta:Unghiul de avans la injec]ie ainj=25(RAC)Unghiul de avans la deschiderea evacuarii adev=40(RAC)Unghiul de intarziere la inchiderea evacuarii adev=28(RAC)Raza manivelei / lungimea bielei:lb=0.28Volumul la sfarsitul admisiei:0.53(dm3)Volumul la sfarsitul comprimarii:0.06(dm3)Pozitia punctului B1:5.1(mm)=0.065(dm3)Pozitia punctului D1:7.6(mm)=0.094(dm3)A0.481.040.461.110.441.180.421.260.401.340.381.440.361.550.341.670.321.810.301.980.282.170.262.410.242.680.223.020.203.440.183.970.164.670.136.210.126.940.117.830.108.940.0910.360.0812.220.0714.76B0.0618.38Tabelul 1.1.B0.0618.38Politropele:C0.09577.94A-BB-CC0.09577.94V(l)PxPx0.0777.940.0618.3877.940.0852.930.0714.7663.290.0945.250.0812.2252.930.1039.360.0910.3645.250.1134.720.108.9439.360.1230.960.117.8334.720.1327.880.126.9430.960.1621.260.136.2127.880.1818.250.164.6721.260.2015.920.183.9718.250.2214.070.203.4415.920.2412.570.223.0214.070.2611.340.242.6812.570.2810.310.262.4111.340.309.430.282.1710.310.328.680.301.989.430.348.030.321.818.680.367.460.341.678.030.386.960.361.557.460.406.520.381.446.960.426.120.401.346.520.445.770.421.266.120.465.450.441.185.770.485.150.461.115.45D10.385.150.481.045.15D10.385.150.000.736.80A10.730.00A10.720.00F0.060.00F0.060.000.0671.05F10.0730.00F10.0730.00A0.000.001.9.Caracteristica de turatie:Turatia maxima de mers in gol se limiteaza la valoarea:5500(rot/min)Turatia minima se limiteaza la valoarea:1000(rot/min)Cci(Kg/h)(g/KWh)17.161897369304388173.6303071713164218.79414185283627170.5646470603228720.399501496871224167.6075058913113821.976465189032588164.75888366428223.523882606831563162.0187803792346725.040939839972083159.387196036169426.527135012655748156.8641306350861827.982253905886616154.4495841759850829.406345579776133152.1435566588660630.79969799584798149.9460480837290432.16281363934297147.8570584505741333.496385141523895145.8765877594013M nax118.1034.80127090198039144.00463601021053ci min386.3536.07847071093387142.2412032030018737.32910137154232140.5862893377752738.55437232220523139.0398944145307239.755561258868426137.6020184332682840.93398975732896136.2726613939878742.09099889554004135.0518232966895543.22792487591576133.939504141373344.34607464763616132.9357039280391545.44670152895188132.04042265668704Tabelul 1.2.46.530980829489295131.25366032731702nPeMeciC47.59998547255512130.57541693992906(rot/min)(KW)(Nm)(g/KWh)(Kg/h)48.65466161744149130.0056924945232100010.98104.87520.895.7249.69580428173076129.54448699109938110012.24106.28511.696.2650.72403296360026129.19180042965766120013.52107.62502.826.8051.73976726412743128.94763281019797130014.82108.87494.287.3352.743202509594454128.81198413272037140016.13110.04486.067.8453.73428537379326128.78485439722485150017.46111.13478.168.3554.71268950033031128.8662436037114160018.79112.14470.598.8455.67779112493155129.05615175218006170020.13113.08463.359.3356.62864469774725129.35457884263073180021.48113.93456.439.8057.563958505656885129.76152487506351190022.82114.71449.8410.2758.48207029457398130.27698984947835200024.17115.40443.5710.7259.380922891751055130.90097376587528210025.51116.02437.6311.1760.25803982808432131.63347662425426220026.85116.55432.0111.6061.110500960418875132.47449842461535230028.18117.01426.7212.0361.9349180938532133.42403916695847240029.50117.39421.7612.4462.72741060404435134.4820988512837250030.81117.69417.1212.8563.483581059512574135.64867747759095260032.10117.90412.8113.2520.0136.66666666666666270033.38118.04408.8213.640.00.0280034.63118.10405.1614.03290035.86118.08401.8214.41300037.07117.98398.8114.78310038.24117.80396.1215.15320039.39117.55393.7615.51330040.50117.21391.7315.87340041.58116.79390.0216.22350042.62116.30388.6316.57360043.63115.72387.5816.91370044.58115.06386.8417.25380045.50114.33386.4417.58390046.36113.51386.3517.91400047.17112.62386.6018.24410047.94111.65387.1718.56420048.64110.59388.0618.88430049.29109.46389.2819.19440049.88108.25390.8319.49450050.40106.96392.7019.79460050.86105.59394.9020.09470051.26104.14397.4220.37480051.58102.61400.2720.64490051.83101.00403.4520.91500052.0099.31406.9521.1655000.000.00410.0010.00VlP a-bP c-d0.647695283497990.646695783500421.10. Cronomanograma:0.641703113535330.62273313367824Reprezint\ legea de varia]ie a presiunii gazelor ^n cilindru, func]ie deVB=0.06Va=0.530.57681156405018unghiul de rota]ie al arborelui cotit (RAC).lambdab=0.28Vc=0.060.49998395486133S=86.64n1=1.340.394135192656939D=93.16n2=1.270.2752192111038656Tabelul 1.3.R=43.32pA=90000Pa0.1644387462004845alfaxpVpppC=7793957Pa0.08510596184623949(RAC)(mm)(l)(N/m2)alfaP0.05618381977793957000.05663400(RAC)184.1886019270.085634000.00.43615.75682102410.1646340018.00.45432.03398247280.2756340036.00.47249.52532472230.3946340054.00.49064.98037639110.4996340072.00.510876.29871219660.5766340090.00.512682.95999171430.62263400108.00.514485.85045942580.64163400126.00.516286.58861579110.64663400144.00.618086.64050185480.64769528162.00.619886.58861579110.64669578180.00.721685.85045942580.64170311198.00.723482.95999171430.62273313216.00.725276.29871219660.57681156234.00.727064.98037639110.49998395252.00.828849.52532472230.394135192270.01.030632.03398247280.275219211288.01.432415.75682102410.164438746306.02.23424.1886019270.0851059618324.04.436000.0561838197342.010.63784.1886019270.0857793957360.018.439615.75682102410.1644623949378.077.941432.03398247280.2752004845396.046.243249.52532472230.3941038656414.020.045064.98037639110.499656939432.010.446876.29871219660.576486133450.06.648682.95999171430.622405018468.04.950485.85045942580.641367824486.04.152286.58861579110.646353533504.03.754086.64050185480.647350042522.03.555886.58861579110.646349799540.03.557685.85045942580.641120000558.03.559482.95999171430.622120000576.01.361276.29871219660.576120000594.01.363064.98037639110.499120000612.01.364849.52532472230.394120000630.01.366632.03398247280.275120000648.01.268415.75682102410.164120000666.01.27024.1886019270.085120000684.01.272000.056120000702.01.1720.01.12. Calculul cinematic si dinamic2.1. Cinematica si dinamica mecanismului biela - manivela:F1g.2.1.2.1.1Deplasarea pistonului:Deplasarea pistonului:Viteza pistonului:Acceleratia pistonului:S-a notat cu:r- raza manivelei;43.3(mm)S- cursa pistonului;w- viteza unghiulara a arborelui cotit;523.33n - turatia motorului;lb- raportul dintre raza manivelei r si lungimea bielei l0.28VpmedRezultatele calculelor sunt sintetizate in tabelul 4.177.6pentru M-poliTabelul 2.1.Tabelul 2.1.aXpVpapaXpVpap(RAC)(mm)(m/s)(m/s2)(RAC)(mm)(m/s)(m/s2)00.0015160.100015160.1182.78.85224068513951.2100.85.0114781.53610.316.313805839210621.2203.39.7713675.05421.821.33035825465962.9307.314.0611925.87235.323.41089690681009.74012.617.679666.09049.322.6759389811-3286.25019.020.467060.910862.119.7221104028-6325.56026.122.364292.912672.715.3635603561-7988.57033.823.331542.814480.410.3518972772-8579.28041.623.40-1026.816285.15.1785232418-8617.89049.322.68-3286.218086.60.0260772362-8568.810056.621.26-5148.819885.1-5.1260723682-8617.111063.419.29-6575.821680.5-10.2996723689-8581.512069.516.92-7575.223472.8-15.3149057559-7999.013074.714.28-8195.625262.2-19.6835380062-6349.114079.011.49-8515.027049.4-22.6558221235-3324.015082.38.63-8626.828835.5-23.4168956925961.516084.75.75-8624.630621.9-21.36649812115912.417086.22.88-8587.632410.4-16.378323995810578.918086.60.03-8568.83422.7-8.937082589813927.119086.2-2.83-8587.03600.0-0.092273033715160.020084.8-5.70-8624.03782.68.767252653613975.121082.4-8.58-8627.539610.216.249031027110663.322079.0-11.44-8518.641421.621.29391078666013.423074.8-14.23-8203.943235.223.40460415661058.024069.6-16.88-7589.745049.222.6958256121-3248.325063.5-19.25-6597.846862.019.760538882-6301.826056.8-21.23-5178.848672.615.4121501605-7977.827049.4-22.66-3324.050480.410.4041083804-8576.928041.7-23.40-1071.252285.05.2309781302-8618.529033.9-23.341493.854086.60.0782317494-8568.830026.3-22.384242.055885.1-5.0736255475-8616.531019.1-20.507011.357680.5-10.2474339962-8583.632012.7-17.739621.059472.9-15.2661870417-8009.53307.4-14.1311888.761262.4-19.6448225772-6372.53403.4-9.8613648.563049.6-22.6354758539-3361.63500.9-5.1014767.764835.6-23.4226009472913.33600.0-0.0915160.066622.0-21.40233020925861.868410.5-16.442584654910536.67022.8-9.021777014213902.87200.0-0.184544520615159.62.2. Fortele si momentele care actioneaza in mecanismul motor.2.2.1. Fortele care actioneaza in mecanismul motor:Sunt rezultantele fortelor produse de presiunea gazelor pe pistonsi a fortelor de inertie a maselor in miscarea accelerata alemecanismului.2.2.1.1. Forta de presiune a gazelor:Sunt variabile in timp functie de unghiul de rotatie al arboreluimotor a.6813.114349518(N/m2)F- Suprafata pistonuluip- Presiunea gazelor in cilindru masurata pe abscisa2.2.1.2. Fortele de inertie ale maselor aflate in miscare:Sunt produse de masele in miscare accelerata ale ambielajuluisi anume: completul piston-biela-arbore cotit.(N)m- Masa elementelor in miscarea- Acceleratia acestor maseAstfel deosebim:Forte de inertie produse de mase neechilibrate:Forta centrifugaForta tangentialaForte de inertie produse de masele in miscare alternativa:2.2.1.3. Masele pieselor in miscare ale mecanismului biela - manivela:Se inlocuiesc masele diferitelor piese prin masele reduse concentrate inarticulatiile mecanismului.2.2.1.4. Fortele rezultante din mecanismul motor:Forta P transmisa axului pistonului se descompune in doua componente:N- Normala la axul cilindruluiS- in lungul bieleiDeplasand forta S pe linia ei de actiune pana in B si notandu-se cu S'aceasta se descompune in doua componente:Z- Dirijata dupa directia cotuluiT- Raza maniveleiM- momentul cuplului motorMomentul total al motorului se obtine din insumarea momentelor cerezulta din functionarea tuturor cilindrilor.D=93mmalfappfgFgapFjFbettaNSZTMalfaM1sum M0-1M2sum M1-2M3sum M1-3M4sum M1-4MrVerificare:alfaZmZmcTmRmRmalfaZZ1Z2T1T2ZpTpRpTabelul 2.3.Tabelul 2.4.S=87mm[grd.RAC][N/m^2][N/m^2][N][m/s^2][N][N][grd][N][N][N][N][Nm]Pal 1-2Pal 2-3Pal 3-4Pal 3-4[grd.RAC][N][N][N][N]np=5000.0rot/min[N][grd.RAC][N][N][N][N][N][N][N][N]alfaZmZmcTmRmZpTpRpalfaM1sum M0-1M2sum M1-2M3sum M1-3M4sum M1-4MrTabelul 2.2.R=43.3mmn=5000.0rot/minomega=523.33rad/sS=87mm[grd.RAC][N][N][N][N][N][N][N]Pal 1-2Pal 2-3Pal 3-4Pal 3-4alfaNSZTFgFjFn=5000rot/min063400-38600-263.119604317415160.14-10210.35-10473.470.000.00-10473.47-10473.470.000.000.0000000000Mmed=93Nm0-10473.5-50100.70.0025050.4S=87mm25050.3737871499320-10473.47-10473.4700.000-5236.735512337905236.7355123379R=43.3mm0.000.00.00.00000000000000[grd.RAC][N][N][N][N][N][N][N]omega=523.6rad/s1863400-38600-263.119604317413951.23-9396.15-9659.274.92-832.20-9695.06-8929.35-3776.35-163.5918.0-164-164157-7-55-62-74-136-209Pi=49kW18-8929.3-48556.6-3776.3524351.6R=43.3mm24351.6257675189818-8929.35-8929.34881564080-3776.350-4464.6744078204-1888.1765822154847.5280683531np=5000.0rot/min0.0-10473.5-50100.7475742998650.025050.373787149932-5236.735512337905236.735512337900.00.00.00.00.00.00.00.00.000.00-10473.47-10473.470.00-263.12-10210.35-10473.47mp=0.426Kg3663400-38600-263.119604317410621.18-7153.37-7416.499.40-1227.39-7517.36-5278.62-5352.28-231.8636.0-232-232218-14-109-123-116-239-35536-5278.6-44905.9-5352.2822611.9m2=3.340Kg22611.87060904938736-5278.62-5278.62369633050-5352.280-2639.3118481652-2676.13961061223758.6819827372omega=523.33rad/s18.0-8929.3-48556.62536526481-3776.35316442999824351.62576751898-4464.6744078204-1888.1765822154847.528068353118-163.6-163.6156.5-7.1-54.9-62.0-73.7-135.7-209.418-832.20-9695.06-8929.35-3776.35-263.12-9396.15-9659.27mb=0.9Kg5463400-38600-263.11960431745962.91-4016.02-4279.1412.99-986.88-4391.47-1716.81-4041.97-175.1054.0-175-175157-19-151-170-161-331-492Vs=0.477l54-1716.8-41344.1-4041.9720770.620770.599349002154-1716.81-1716.8120473650-4041.970-858.4060236825-2020.98536309592195.7328478989m2=3.340Kg36.0-5278.6-44905.9002459545-5352.2792212243222611.870609049387-2639.3118481652-2676.13961061223758.681982737236-231.9-231.9218.0-13.8-109.4-123.2-116.1-239.3-355.436-1227.39-7517.36-5278.62-5352.28-263.12-7153.37-7416.49m1=0.248Kg7263400-38600-263.11960431741009.71-680.04-943.1615.32-258.34-977.90-45.75-976.83-42.3272.0-42-4222-20-155-175-166-341-507pi=8.60N/m^272-45.8-39673.0-976.8319842.519842.5264405807572-45.75-45.7523171440-976.830-22.876158572-488.4165018649488.9519382567psi=180grade54.0-1716.8-41344.088596988986-4041.97072619175320770.5993490021-858.4060236825-2020.98536309592195.732847898954-175.1-175.1156.5-18.6-151.5-170.0-161.0-331.0-492.054-986.88-4391.47-1716.81-4041.97-263.12-4016.02-4279.14m2=0.653Kg9063400-38600-263.1196043174-3286.232213.281950.1616.13563.902030.05-563.901950.1684.4890.08484-103-19-96-115-103-218-322i=4.090-563.9-40191.21950.1620119.2Rm med=2126020119.231809877990-563.90-563.902160880901950.160-281.9510804404975.07798901821015.023889585572.0-45.8-39673.02886676802-976.833003729810519842.52644058075-22.876158572-488.4165018649488.951938256772-42.3-42.322.1-20.2-155.2-175.4-165.7-341.1-506.872-258.34-977.90-45.75-976.83-263.12-680.04-943.16mc=0.886Kg10863400-38600-263.1196043174-6325.494260.223997.1015.321094.864144.34-2276.453463.14150.02108.0150150-166-16193222547Pip=0.00kW108-2276.4-41903.73463.1421023.3Rm max=25050.37378714993221023.292551736748108-2276.45-2276.44639451203463.140-1138.2231972561731.56881791682072.168578555690.0-563.9-40191.1787105048641950.155978036466920119.2318098779-281.9510804404975.07798901821015.02388958559084.584.5-103.4-18.9-95.9-114.8-103.4-218.2-321.690563.902030.05-563.901950.16-263.122213.281950.16mr=1.539Kg12663400-38600-263.1196043174-7988.455380.225117.1012.991180.145251.43-3962.513446.16149.29126.0149149-161-12130119157275432126-3962.5-43589.83446.1621862.921862.898980602036126-3962.51-3962.509060256503446.160-1981.25453012821723.07848259252625.713040362Rpmed=3995.8108.0-2276.4-41903.722944136033463.137635833521521023.292551736748-1138.2231972561731.56881791682072.1685785556108150.0150.0-165.7-15.718.93.222.125.347.41081094.864144.34-2276.453463.14-263.124260.223997.10ma=0.674Kg14463400-38600-263.1196043174-8579.225778.115514.999.40912.705590.00-4998.192503.24108.44144.0108108-116-8151143218361579deltaP=10.000%144-4998.2-44625.52503.2422347.8grad soc=1.17827665603710822347.809268940957144-4998.19-4998.188356728902503.240-2499.09417836451251.61878937982794.9993392242Rpmax=21589.9439293014126.0-3962.5-43589.7856098805063446.15696518492921862.898980602036-1981.25453012821723.07848259252625.713040362126149.3149.3-161.0-11.7130.2118.6156.5275.1431.61261180.145251.43-3962.513446.16-263.125380.225117.10lambdab=0.2816263400-38600-263.1196043174-8617.805804.095540.974.92477.395561.50-5417.301258.2354.51162.05555-74-194829157186342162-5417.3-45044.61258.2322531.122531.071236394004162-5417.30-5417.296259698901258.230-2708.6481298495629.11538358412780.7482549126144.0-4998.2-44625.464906352952503.23757875965322347.809268940957-2499.09417836451251.61878937982794.9993392242144108.4108.4-116.1-7.6151.0143.3218.0361.4579.4144912.705590.00-4998.192503.24-263.125778.115514.99i=418069527.5152986593-32472.4847013407-221.3509669901-8568.775771.075549.720.000.005549.72-5549.720.000.00180.00000-00000Mrez01min=-232180-5549.7-45177.00.0022588.522588.49745139326180-5549.72-5549.718353162500.000-2774.859176581202774.8591765812grad soc=5.4031846207162.0-5417.3-45044.572809322951258.230767168165122531.071236394004-2708.6481298495629.11538358412780.748254912616254.554.5-73.7-19.248.329.1156.5185.6342.1162477.395561.50-5417.301258.23-263.125804.095540.97gamma=180grd 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Alegerea ordinii de lucru:Alegem ordinea de lucru a motorului: 1-3-4-2-1Se determina unghiul de decalaj intre coturi:180(oRAC)Avem urmatoarea schema de lucru a motorului:InceputulSchema de lucru a cilindrilor motoruluiCilindrulciclului0ACDE1540CDEA2180EACD3360DEAC4180360540720A-AdmisieC-CompresieD-DestindereE-EvacuareMomentul total este o functie periodica cu perioada:180Valoarea medie a momentului total este:Cu ajutorul momentului mediu se calculeaza puterea indicata a motorului:Puterea indicata a motorului calculata astfel trebuie sa fie egala cu putereaindicata calculata in calculul termic cu formula:68.42(kW)Se admite o abatere de 5%.pi-Presiunea medie indicata,in [N/m2]Vt-Cilindreea totala a motorului,in [m3]2.2.1.6.Fortele care actioneaza asupra fusului maneton:Asupra fusului maneton actioneaza forta tangentiala T,fortaradiala Z si forta centrifuga de inertie Fcb a masei m2b a bielei aflatan miscare de rotatie.Forta rezultanta care actioneaza asupra fusului maneton este:[N][N]2.2.1.7.Fortele care actioneaza asupra fusului palier:diagrama fusului palierdiagram$a maneton palierConstructia este similara celei de la fusul meneton, tinndu-seseama de decalajul dintre manivelele aferente fusului.Fortele Z' si T' se calculeaza dupa urmatoarele formule:unde j = unghiul de decalaj ntrecoturi

calcul1.04464993141.42235651781.48999379531.5634541191.64348034841.730943371.82687036621.93248081662.04923278542.17888306292.32356619532.48589962962.66912551352.87730480233.11558738853.39059499263.71097513884.0882214164.53792033685.08170454365.75042094246.5894835248.33012707469.09846355359.99968249611.069198574112.355751401413.928158174615.886553782318.381973705318.381973705377.939568510477.939568510477.939568510459.917576901153.486898147548.19355778243.768767507740.021089342936.81070008429.477574832625.907769675223.043291551420.699489813818.750151186617.10625184815.703307240314.493530623313.440802172612.517343827411.701463746310.975990921910.32716650029.74384418619.21690407868.73881658118.30331358368.30331358368.30331358366.83.094887653.094887653.094887653.094887651.051.04464993141.04464993141.0446499314

Vc (dm3)p*10-5 (N/m2)Diagrama indicata

7.7173883406147.3912602596193.4113992889000013.43367790039.4153701206149.8502695734190.276398972190182.850112725765.7766516.123704493811.1583774388152.2209365372187.219335269618.80157606112.9436349383154.503261151184.240208181621.46264196114.7683672625156.6972434146181.339017708124.102730912816.6297990544158.8028833283178.515763849126.718131527718.5251549574160.8201808918175.770446604529.305572842620.4516596147162.7491361053173.103065974531.862204852122.4065376694164.5897489688170.513621958834.385579042124.3870137648166.3420194822168.002114557736.873628922126.3903125441168.0059476455165.56854377139.324650558328.4136586506169.5815334588163.212909598841.737283106430.4542767274171.068776922160.93521204144.110489344132.5093914178172.4676780352158.735451097746.443536204634.576227365173.7782367983156.613626768948.735975308636.6520092122175.0004532113154.569739054550.987623497838.7339616027176.1343272743152.603787954653.198543367540.8193091796177.1798589872150.715773469255.369023799342.9052765862178.1370483501148.905695598257.499560494144.9890884657179.0058953629147.173554341759.590836504847.0679694613179.7864000257145.519349699761.643702769349.1391442163180.4785623384143.943081672163.65915864351.1998373738181.082382301142.44475025965.638332432253.2472735771181.5978599136141.024355460467.582461926155.2786774695182.0249951761139.681897276269.492874930757.291273694182.3637880886138.417375706571.370969800459.282286894182.614238651137.230790751273.21819597261.2489417126182.7763468634136.122142410575.036034496763.1884627932182.8501127257135.091430684276.825978573265.0980747788182.8355362379134.138655572378.589514080666.9750023128182.7326174001133.263817074980.328100111368.8164700383182.5413562122132.46691519282.043149503470.6197025986182.2617526743131.747949923683.736009374272.3819246369181.8938067863131.106921269685.407941652474.1003607964181.4375185483130.543829230187.060103611275.7722357203180.8928879602130.05867380588.693528401200133.333333333320

nMnnnmaxn ceminMePeCceC/3 [kg/h]ci*3 [g/kWh]PeMeciCn [rot/min]Pe [kW] C [kg/h]Me [Nm] ci [g/kWh]Caracteristica extern\ de tura]ie

0.40.40.40.40.50.50.50.50.6340.6340.90601344760.90666399970.91600817110.95427116241.05395578531.27170063361.73066430772.7521836035.278833405211.614351614618.381973705377.939568510450.440234445123.889641276712.88621499298.30204484976.19937828975.18855434464.72226019674.54261439314.49868427614.49562493221.31.31.31.31.21.21.21.11.1

Pa [RAC]p*10-5 [N/m2]Cronomanograma

nMnnnmaxn ceminMePeCceC/3 [kg/h]ci*3 [g/kWh]nMnnnmaxn ceminMePeCceC/3 [kg/h]ci*3 [g/kWh]PeMeciCn [rot/min]Pe [kW] C [kg/h]Me [Nm] ci [g/kWh]Caracteristica externa de turatie

Pa [RAC]p*10-5 [N/m2]Cronomanograma

XpVpapaoXp [mm];Vp [m/s]ap [m/s2]Caracteristica Xp=f(a)

9177.72172036178489.41384770686563.84197663963799.9654651468781.99692843511876.95433968033745.37269035914723.0491645365021.29722845974995.31919902425059.67713850195107.58001945575140.21292962334864.28852403763937.50364542872169.4542742967293.63085218092895.91454700214654.227305844085.47947923882135.959696738622281.69272319513510.5710371085708.52852055494276.37353753265054.42614338766046.51989052276593.27575896736684.240529265814820.343602318412616.52522182789812.14032903555827.35783186344019.13280598223365.29216620843715.73022892365376.42308010868040.399065657910960.876747687713137.92199370914029.794066304

[alfa]Rp [N]For]a rezultant\ pe fusul palier

0-3306.7394758619-4673.3822100832-3497.545064592-781.14058739021803.08747586413129.75046008243099.41881025832248.56938962481130.13903666650-1155.5368802083-2301.8206100597-3192.1046816811-3290.3010900832-2084.0761806227293.30930596812665.44307421923313.75788299091591.34853291108679.01532880459619.37574938555254.21505439364271.69061097554855.5110181185052.66096962074326.7224618382993.2461599384363.1096539114-3289.7149305056-4463.0295467595-3095.4181195575-1382.3335760162213.50328358551858.27495103633843.87353999535604.00570609755811.64726535953407.5284884469-1005.855492198

Zp [N]Tp [N]Diagrama ploar\ a fusului palier

aoRm [N]Forta rezultanta pe fusul maneton

aoM [Nm]Diagrama Sum M1 - M2

aoM [Nm]Diageama Sum M1 - M3

Zm [N]Tm [N]Diagrama polara pentru fusul maneton

MBD0183A739.unknown

MBD0183A741.unknown

MBD0183A747.unknown

MBD0183A754.unknown

MBD0183A755.unknown

MBD0183A748.unknown

MBD0183A745.unknown

MBD0183A746.unknown

MBD0183A742.unknown

MBD0183A73D.unknown

MBD0183A73F.unknown

MBD0183A740.unknown

MBD0183A73E.unknown

MBD0183A73B.unknown

MBD0183A73C.unknown

MBD0183A73A.unknown

MBD0183A731.unknown

MBD0183A735.unknown

MBD0183A737.unknown

MBD0183A738.unknown

MBD0183A736.unknown

MBD0183A733.unknown

MBD0183A734.unknown

MBD0183A732.unknown

MBD0183A72D.unknown

MBD0183A72F.unknown

MBD0183A730.unknown

MBD0183A72E.unknown

MBD0183A729.unknown

MBD0183A72B.unknown

MBD0183A72C.unknown

MBD0183A72A.unknown

MBD00DD4F89.unknown

MBD00DD4F8B.unknown

MBD0183A728.unknown