calculo de combustão interna
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calculo câmara de combustãoTRANSCRIPT
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Alunos: Anderson Sicka, Eduardo R.Mazzurana e Patrick Andrade.
CALCULOS DE UM MOTOR DECOMBUSTO !"TER"A
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Dados:#eiculo: $%undai $B&'Motor: (.'Cilindrada: ))*c+
Ano: &'(-Cilindros: - e+ LinaDi/+etro Cilindros: 0( ++Curso dos Pist1es: *2 ++Co+3ust45el: 6le7.89asolinaEtanol;. Ta7a de Co+<ress=o: (&,>:(
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Conta?e+ de Octanos
9asolina Co+u+ @&0 Etanol @ )>
Octanas
Etanol @ A<ro7i+ada+ente ('* Octanas
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Dados do Cilindro#olu+e do Cilindro:
#olu+e da C/+ara de co+3ust=o:
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Ta7a de Co+<ress=o #s " deOctanas
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Co+o ilustra o ?rFco anterior, a ta7a deco+<ress=o do 5eiculo est &:( aci+a do ideal<ara ?asolina. "este ti<o de situaG=o Huando
o 5eiculo est rodando co+ ?asolina a centraleletrInica atra5Js de sensores <ro?ra+a o+otor <ara atrasar o <onto de i?niG=o dacentela <ara Hue n=o ocorra o KenI+eno de
autoi?niG=o. 9eral+ente ta+3J+ J di+inu4daa de+anda de co+3ust45el di+inuindo<otncia e torHue <ou<ando o +otor de u+aconseHuente Hue3ra.
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E+ u+a situaG=o e+ Hue o 5e4culo utiliza@se so+ente ?asolina o li+ite de ta7a de
co+<ress=o ideal seria de (':>, e <ara estano5a ta7a <oder4a+os deFnir u+ no5o5olu+e <ara c/+ara de co+3ust=o
E o Calculo seria :
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Consu+o de Co+3ust45el Dados:
ar N
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Consu+o de Co+3ust45el
uantidade de co+3ust45elnecessria <ara Huei+ar ))* c+
de ar
uantidade de litros Hue o +otor irconsu+ir e+ (r o<erando e+ u+a
rotaG=o de N&''r<+
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Potncia Terica Dados:
<
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Potncia Terica
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Potncia EKeti5a <ara TorHueM7i+o 89asolina;
A <otncia <ara o torHue +7i+o e u+arotaG=o de 2>'' r<+ J de >),'2c5
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Potncia EKeti5a M7i+a 89asolina;
A <otncia +7i+a Hue o +otor irdesen5ol5er N&'' r<+ J de 0> c5
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Rendi+ento ter+o Q +ec/nico do+otor
O Rendi+ento ter+o Q +ec/nico do +otor Jde &*
Pt
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Potencia !ndicada 8#ER!6!CAR co+ose calcula; Para <otncia indicada utilizar u+a
<ress=o de e7<ans=o de (( k?Kc+ Hue J a<ress=o co+u+ nos +otores 8Se?undo oProKessor;
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Ad+itido;
"o5os 5olu+es de ar ad+itidos:
"o5a ta7a de co+<ress=o:
Se e+ condiG1es nor+ais o +otor ad+itia o ar a u+a <ress=ode ( at+ a?ora e+ no5as condiG1es 8tur3inado; a sua <ress=o
na ad+iss=o ser de (,> at+. 6eita est consideraG=o os5olu+es ser=o +ulti<licados <or (,> considerando Hue a?oraest entrando ',> 5ezes a +ais de ar e+ relaG=o as condiG1esnor+ais
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"o5o Consu+o deCo+3ust45el
uantidade de co+3ust45elnecessria <ara Huei+ar (2)0 c+
de ar
ConsideraG1es: Mes+as consideraG1es do clculo do 5olu+ede ar ad+itido, o 5olu+e total ser +ulti<licado <or (,>
uantidade de litros Hue o +otor irconsu+ir e+ (r o<erando e+ u+a
rotaG=o de N&''r<+
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"o5a Potncia Terica
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"o5a Potncia EKeti5a 89asolina;
ConsideraG1es: conKor+e inKor+aG1es dis<on45eis na <?inado Ka3ricante, a tur3ina o<erando co+ u+a <ress=o de ',>3arela ?eraria a<ro7i+ada+ente >' de <otncia a +ais no+otor. 6eito estas consideraG1es <ode+os Kazer o se?uinteclculo:
A no5a <otncia encontrada a<licando os >'de ?ano reKerentes a instalaG=o da tur3ina Koide ((&,> c5
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Rendi+ento ter+o Q +ec/nico do +otor8#ER!6!CAR, <ois Fcou i?ual ao anterior;
O Rendi+ento ter+o Q +ec/nico do +otor Jde &*