parametros constructivos de mci

7/26/2019 PARAMETROS CONSTRUCTIVOS DE MCI

1/25

UNIVERSIDAD NACIONAL DE SAN AGUSTIN DE AREQUIPA

FACULTAD DE INGENIERA DE PRODUCCIN Y SERVICIOS

DEPARTAMENTO ACADMICO DE INGENIERA MECNICA- ELCTRICA

CURSO DE: ENSAYOS DE MOTORES DE COMBUSTIN INTERNA

LABORATORIO N 1

TEMA: DESARMADO, ARMADO Y DETERMINACIN DE LOS

PARAMETROS CONSTRUCTIVOS DE UN MOTOR DE COMBUSTIN INTERNA

REALIZADO POR:HUANCO ANCO JESUS

DOCENTE: M.S. I!".:JUAN DAVID CHVEZ CUELLAR

F#$% '#%()*%)+!: F#$% #!,'#"%: N,%:

26/04/206 2!/04/206

AREQUIPA - PER


2/25

/01LABORATORIO N 1

DESARMADO2 ARMADO Y DETERMINACIN DE LOS PARAMETROS

CONSTRUCTIVOS DE UN MOTOR DE COMBUSTIN INTERNA

I.- OB3ETIVO:

C"#"$%& '"( )*&+%-&"( $"#(-&.$-"( 1%' "-"&, 1%#-$*& (.( )$)*'%( %'%%#-"( 3 &%'*$"#*& %'1%(*&&"''" 1%' $$'" -%&"1#+$" $"# '"( 1%&%#-%( ((-%*( 1% .#$"#*%#-"( 1%' "-"&

II.- FUNDAMENTO TEORICO:

1. PARMETROS CONSTRUCTIVOS DE LOS M.C.I.

A. PUNTO MUERTO SUPERIOR 4PMS5: L* )"($5# 1%' )(-5# %# %' $'#1&", %# .% '*1(-*#$* %#-&% %' )(-5# 3 %' %7% 1%' $89%:*' 1%' "-"& (%&+ +;*

B. PUNTO MUERTO INFERIOR 4PMI5: L* )"($5# 1%' )(-5# %# %' $'#1&", %# .% '*1(-*#$* %#-&% %' )(-5# 3 %' %7% 1%' $89%:*' (%&+


3/25

%()*$" .% (% %#$.%#-&* %# '* )*&-% (.)%&"& 1%' )(-5#, %(-% %()*$" *&E?AL 4L)5:P"& $*1* .%'-* 1%' $89%:*' %' )(-5#&%$"&&% 2 $*&&%&*( 1* 3 .%'-*

L. VELOCIDAD MEDIA DEL MBOLO O PISTN 4V965: C*&*$-%&>* %' 8&*1" 1%)%&%$$"#*%#-" 1% '* %(-&.$-.&* 1%' "-"&, ).%(-" .% (. *'"& ).%1% 1%-%*& %' 1%(8*(-%1% '*( )%>*( .% "&*# %' 8&.)" $'#1&" 3 @?"'" 3 %' #%' 1% '*()@&11*( %$+#$*( 1%?1*( *' &">*%#-"

/. ELEMENTOS CONSTRUCTIVOS DE LOS M.C.I.

A. CILINDRO:C"#1.$% *' )(-5# %# (. "%#-" 3 %( %' %'%%#-" $%#-&*' 1%' ((-%* 1%$")&%(5#

B. BLOQUE DE CILINDROS Y BANCADA:S"?&% %' ?'".% (% *)"3*# '*( 1%+( )*&-%( 1%'"-"& )"& '" .% (. &81%> %( %(%#$*' )*&* %' ?.%# .#$"#*%#-" 1%' "-"&

E' ?'".% 1%?% )"(%%& 1% $"#1.$-"( #-%&"&%( )*&* ''%*& %' *$%-% * )&%(5# * '"( 1%&%#-%($"7#%-%( .% (")"&-*# %' $89%:*', *(< $"" $"#1.$-"( )*&* ''%*& %' *$%-% * '* $.'*-* .% * (.%> -%#% $"#1.$-"( )*&* ''%*& %' *$%-% *' +&?"' 1% '%*( " 1% ?*'*#$#%(

C. CULATA:E( '* )%>* 1%' "-"& 1% 1(%:" +( $")'%7" )"& '* $*#-1*1 1% .#$"#%( 3&%.%&%#-"( .% 1%?% $.)'& P.%1% *?%& .#* )*&* -"1"( '"( $'#1&"( "-"&%( )%.%:"(," .#* )*&* $*1* $'#1&" " )*& 1% $'#1&"( "-"&%( +( 8&*#1%(

L* $.'*-* )"&'" 8%#%&*' -%#%

.% *'"7*& '"( (8.%#-%( %'%%#-"(

Vc=Vc 1+Vc 2+Vc3Va=Vh+Vc

=Va

V

R=S

2

LCI=2R=2S

Vmp=Sn

30

Ilustracin 1: Esquema General De Un Motor De Combustin InternaAlternativo


4/25

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

)%(*& '" %#"( )"(?'% 3 %( 1


5/25

F. VLVULAS: S"# '*( %#$*&8*1*( 1% $"#-&"'*& %' )*(" 1% '.1" )"& '* $+*&*1% $"?.(-5# 1.&*#-% %' )&"$%(" 1% &%#"*$5# 1% '* $*&8* L* "&* +($"# 1% '*( +'.'*( %( '* 1%#"#*1* 1% )'*-"

L* +'.'* +( ("'$-*1* %( '*

1% %($*)% )"& .% '*-%)%&*-.&* 1%' '.1" $.*#1")*(* )"& %''* %( .3 *'-*

G. SISTEMA DE DISTRIBUCIN:A8&.)* *-"1"( '"( %'%%#-"( %$+#$"( .% )&""$*# '**)%&-.&* 3 $%&&% 1% '*( +'.'*(, 1%?% %(-*&(#$&"#>*1" $"# %' "%#-" 1% )(-5#$89%:*' 3 $")'%-* .# $$'" 1%.#$"#*%#-" $*1* 1"( .%'-*( 1%' "-"& %'+&?"' 1% '%*( 8&* * '* -*1 1% &%"'.$"#%(.% %' $89%:*'


6/25


7/25

). P%',#8 S)8,#9% E!#!&)&: B*-%&


8/25

P"& '"( )'*-#"( #$*%#-% )*(* '* $"&&%#-% 1% ?*(% 1%' -&*#((-"& S% $"#(8.%# $"&&%#-%( 1% $*&8* *3"&%( N" (% (.?(*#* %' )&"?'%* 1% '"( &%?"-%( L* $"#.-*$5# (8.% (%#1" '%#-*

. EL ENCENDIDO ELECTRNICO SIN CONTACTOS 4ENCENDIDOTRANSISTORIZADO5:E# %' %#$%#11" %'%$-&5#$" " ''**1" -*?@# -&*#((-"&>*1" *(1" .-'>*1" *3"&-*&*%#-% )"& '"( $"#(-&.$-"&%( 1% *.-"5'%( 1%?1" * (. (%#$''%>,)&%(-*$"#%( 3 *?'1*1 E(-% -)" 1% %#$%#11" (% ''** $"#%#-% G?&%*%&'%((G

.-'>*#1" .#* )*'*?&* #8'%(* .% (8#$* (# &.)-"& T%#%#1" %# $.%#-* %' -)" 1% $*)-*1"& " (%#("& .-'>*1" %# %' 1(-&?.1"& (% ).%1%#1%&%#$*& 1"( -)"( 1% %#$%#11" %'%$-&5#$"

E#$%#11" %'%$-&5#$" $"# 8%#%&*1"& 1% ).'("( 1% #1.$$5# BOSCH '" 1%#"#* TZI"-&"( *?&$*#-%( '" 1%#"#*# TSZI

E#$%#11" %'%$-&5#$" $"# 8%#%&*1"& H*'' BOSCH '" 1%#"#* TZH


9/25

&. ENCENDIDO DE PLATINO:E# '* *3"&* 1% '"( *.-"( 1% "1%'"( *#-%&&%(,1% '"( 0 3!0 (% .-'>" .$" %(-% -)" 1% %#$%#11"

D#8#!,%% ( #!#!&)& P(%,)!L* 1%(%#-*7* %( .% ( %' *.-"5' ''%8*(%, * $*&8*& 1%+( " %-%& "'-*7%, .$"*3"& 1%' .% %(, (% .%*# '"( )'*-#"( 1%' *.-"5' 3 (% *)*8* %' *.-"

B. NUMERO DE TIEMPOS

%. MOTORES DE TIEMPOSF S% &%*'>* .# $$'" $*1* 1"( .%'-*( 1%' "-"&F E;(-%# .#"( )&"$%("( 1%&%#$*1"( )*&* &%#"*& %' '.1" .% %"'.$"#*


10/25

. MOTORES DE / TIEMPOS S% &%*'>* .# $$'" $*1* .%'-* 1%' "-"& E' '.1" (% &%#.%* %#-&*( %' )(-5# %(-+ %# '* )*&-% #%&"& 1% (. $*&&%&*

S% .-'>* )*&* )%.%:*( )"-%#$*( (%#$''%> ?*&&1" )"& $*&-%& 3 )"-%#$* %()%$


11/25

L*( %;8%#$*( )&")*( 1%' "1" 1% %#$%#11" 3 $"?.(-5# 1% '"( MEP 3 1% '"( MEC, 7.#-"$"# %' )&"$%(" 1% "&*$5# 1% '* %>$'* *1%$.*1*, *# ''%*1" * '* %;(-%#$* 1% -)"( 1%

$"?.(-?'%( .% ("# %()%$


12/25

A-"(@&$"( T.&?"*'%#-*1"( C"# #-%&$*?*1"& 1% $*'"& " #-%&$""'%&

F. TIPO DE REFRIGERACIN%. R#')"#'%)+! 6' %)'# 4&)'#,%5 E' $*'"& (% -&*#(-% 1&%$-*%#-% *' *&% * -&*@( 1% .#*( *'%-*( $"'"$*1*( %# %' $'#1&" E( +( ?*&*-" 3 *?'% E( +( &.1"(" 3 "'.#"(" A %$%( (% .(* .#* (")'*#-% )*&* "%& *' *&%

. R#')"#'%)+! 6' (H7)& 4)!&)'#,% 8) 8# 78%)!,#'%9)%&'5

E' "-"& $%1% $*'"& *' %1" &%&8%&*#-% $*( (%)&%*8.* .% *$-* $"" *8%#-% #-%&%1" %#-&% %' "-"& 3 %'*&%

S% #%$%(-* .#* ?"?* )*&* "%& %' &%&8%&*#-% E' &%&8%&*#-% (.%'% (%& *8.* $"# *'$""'%( )*&* %-*& '*

$"#8%'*$5# 3 *1-"( )*&* %-*& $"&&"(5#

G. SEGN ESTRUCTURA: POSICION DE CILINDROS

H"&>"#-*'%( V%&-$*'%( E# '


13/25

III.-

PROCEDIMIENTO DE ARMADO Y DESARMADO

E' 7%% 1% 8&.)" ("'$-*&* *' *'*$@# '" (8.%#-%- U# %%&- U#* &%8'* %-+'$*- U# $")+( 1% #-%&"&%(- U# $")+( 1% %;-%&"&%(- U# -&*#()"&-*1"&- U# -&*#()"&-*1"&- U#* )&"?%-* 8&*1.*1*- A$%-% 1% "-"&- L'*%( %;*8"#*'%( *)&")*1*( )*&* %' )%" 1% '* $.'*-*- O-&*( %&&*%#-*( .% (% .-'>*&*#

2 S% )&"$%1%&+ * (*$*& '"( )%"( 1% '* $.'*-* )*&* 1%(-*)*& %' "#"?'"$


14/25

A$$"#*1" %' $89%:*' &"-*$5# (% %(-*?'%$%&+ '*( )"($"#%( 1%' )(-5# %# %' PMS % PMI 3 (%%1&+ '* $*&&%&* S

4 C"# %' $")+( 1% #-%&"&%( (% %1&+ %' 1+%-&" 1%' $'#1&" %1& %' "'.%# .%&-" V$ $"# $.*'.%&* 1% '"( (8.%#-%( @-"1"( 8%"@-&$" $"# *$%-%

" $"?#*#1" $"# '"( @-"1"( *#-%&"&%(6 A$$"#*#1" %' $89%:*', %&$*& .% $.)'* %' $$'" ")%&*-" 1%' "-"&

I1%#-$*& '*( +'.'*( 1% *1(5# 3 %($*)%! M"%#1" 8&*#1" %' $89%:*' 1%-%*& '"( "%#-"( 1% *)%&-.&* 3 $%&&% 1% '*( +'.'*( 1%

*1(5# 3 %($*)% K&*#1" %' $89%:*' 1%-%*& %' "&1%# 1% %#$%#11" 1%' "-"&0 A -&*@( 1% '* "?(%&*$5# 3 %' *#+'((, %(-*?'%$%& '"( %(.%*( ()'$*1"( 1% '"( ((-%*(

*.;'*&%( 1%' "-"& V"'%& *&*& %' "-"&, 1%7*#1" -"1" %# "&1%#

IV.CONTENIDO DEL INFORME

/. PARAMETROS A CALCULAR

DATOS:

D 6!2 6!2 $S2 2 $L $? %()%("&0!! 00!! $

A. P%'9#,'8 % %(7(%':- V(79#! ,'%% 4V$5

Vh= D

2

4S

Vh=6 .8 25

2

4x7 .23

Vh=264 .5cm3

- R#(%)+! 4RL5

R=

D

2

R=6.825

2 =3.4 125

R

L=0.306

- V(79#! 97#', 4V5


15/25

Vc=Vc 1+Vc 2+Vc 3

V$ 2! ' 2! $

V$ ' $

Vc2=D

2

4x b

Vc2=6.825

2

4x 0.088=3.22cm3

Vc=23.83+3.22+5=32.05cm3

Vc=32.05 cm3

- R#(%)+! 4SD5

S

D=1.059

- R#(%)+! 96'#8)+!

Va=Vc+Vh=32.05+264.5=296.55 cm3

=Va

Vc=

296.55

32.05

=9.25


16/25

D%,8:

C#))#!,# #J#8 %)'#: !=0.9

D#( 978,)(#:

H%=44000&'

()*C=0.885,H=0.145 + s"masamlec"lar ,C=

144 ()cmb"s

(ml

P'#8 %&9)8)+!: P-=0.085MPa*a=73C

P'#8 96'#8)+! n1=1.34

P'#8 978,)+! /=0.85

P'#8 #J6%!8)+! n2=1.24

P'#8 #8%6# 0r=0.06

E7%)+!:

"c+0r"c}} over {1+ {} rsub {r}} = {u} rsub {Z} rsup {

1(H%2 H%)

M1(1+0r) +

} = left su! fro! {"=1} to {"=#} {{r} rsub {"} {$v} rsub {"}} r"%&t ' {(} rsub {)}

"1


17/25

;%((%98 M1Para !


18/25

c=a n11

c=346(9.251.341)

c=737 .16&

c=464 . 16 C

;%((%!&

,=M2+MrM1+Mr

dndeMr=0rM1

Mr=0.06 (0.4783)

Mr=0.028698 &ml

&)cmb

,=0.5187+0.0286980.4783+0.028698

,=1.0797

;%((%!& ;U2 H%=114000(1!)L3

2H%=114000 (10.9) 0.5238

2 H%=5971.32&'

&);%((%!& 7"c=C#c

I#-%&)"'*#1" )*&* T$ 46062 =C

T 4C5 C 4%)'#5


19/25

400 2444646 C

00 2!

C#=21 .67 &'

&ml C

E!,!#8"c=(21.67 ) ( 464.16 )

"c=10058 . 35&'

&)

;%((%!& 7K} = left su! fro! {"=1} to {"=#} {{r} rsub {"} {$v} rsub {"}} r"%&t ' {(} rsub {*}

"c

4r c=

(1!) (C+3H)6

M2

rc=

(10.9)( 0.885+3(0.145))6

0.5187

rc=0.0424

4r c2

=

1

12(C2 (1!) (C+3H))

M2

rc2

=

1

12(0.8852 (10.9 )(0.885+3 (0.145 )))

0.5187

rc2=0.0998

4r H23=

H

2

M2


20/25

rH23=

0.145

2

0.5187

rH2 3=0.1398

4r 52=0.79! L

M2

r52=0.79 (0.9) ( 0.5238 )

0.5187

r52=0.718

H*''*#1" '"( C )*&* T$ 46062 =C

T 4C5 CN/ CCO/ C;/O CCO400 2! 4 26 244

4646 CN2 CCO2 CH2O CCO00 244 62! 2 2!4

C#52=21.354&'

&ml C

C#C32=35.783&'

&ml C

C#H23=27.1231&'

&mlC

C#C3=21.6729&'

&mlC

riC#i=r52C#52+rC32C#C32+rH23C#H23+rC3C#C3

riC#i=0.7180 (21.35 4 )+0.0998 (35.783 )+0.1398 (27.1231 )+0.0424 (21.6729)


21/25

riC#i=23.6141 &'&mlC

L.%8"} =23.6141'464.16 '

"c

} = 10960 . 72 {+,} over {+!ol-$}

"c

L7#" %(7(%98}

&1=,"/

&1=0.85(440005971.32)

0.4783(1+0.06) +

10058.35+0.06(10960.72)1+0.06

&1=73865 .85&'

&ml C

;%((%!& @/

} = {} rsub {2}

, "1

L7#"

} = left su! fro! {"=1} to {"=#} {{r} rsub {"} {$v} rsub {"}} r"%&t ' {(} rsub {)}"1

A879)#!& T* /


22/25

} =29.11532300'

"1

} =66965.31

"1

P' ( ,%!,

&2=1.0797(66965.31)

&2=72302.45&'

&)

Cm&1>&2 * entnces as"mims1=2400 C

r i C#i=r52 C#52+rC32 C#C32+rH2 3 C#H2 3+rC3 C# C3

r i C#i=0.7180 (25.447 )+0.0998 (47.076 )+0.1398 (37.830 )+0.0424 (25.908)

ri C#i=29.2863 &'&ml CP' ( ,%!,

} =29.28632400'

"1

} =70287.27

"1

P' ( ,%!,

&2=1.0797(70287.27)

&2=75889.17&'

&)


23/25

-6"i se ntaclaramente6"e&1 !6!2400 !!

;%((%!& T*1=2343.59C

1=2616 .59&

;%((%!& T

b=1

7n21

=87 4 8=1

=7=8.52

P' ( ,%!,

b=261 6.59

9.251.241

b=1534 . 13&

;%((%!& P*

P1=9 Pc

98=,1

c48=1

9=1.0797(2616.59

737.16

)

9=3.832

C%(7(%98 P*P1=1.675 (3.832 )


24/25

P1=6 . 4186MPa

P1=64 .19

VIII. OBSERVACIONES Y CONCLUSIONES

- C"# %' '*?"&*-"&" #%&" .#" .% &%*'>*"( %"( 1%#-$*1" -"1"( '"( ((-%*( 1%.#$"#*%#-"( .% )&%(%#-* .# "-"&

- %"( &%$"#"$1" '*( )*&-%( 1%' "-"& 1% $"?.(-5# #-%* 1.&*#-% (. %#(*?'*7%- P.1"( $"#"$%& %' 1%(*&&"''" 1% '"( $$'"( -%&"1#+$"( .% (% 1*# %# %' "-"&- %"( 1%#-$*1" (.( )*&+%-&"( )$)*'%( $"# '"( $.*'%( *"( * &%*'>*& %' #"&%- ).1"( "?(%&*& .% %( #%$%(*&" -%#%& $"#"$%#-" 1%' -%* *#-%( 1% )&"$%1%& *' %#(*?'*7%

1%' "-"&-

"?(%&*"( -*?@# .% (%)&% 1%?%"( (%8.& '*( #(-&.$$"#%( .% #"( 1*# '"( 1(%:*1"&%(1%' "-"& *' "%#-" 1% &%*'>*&'% .# *#-%#%#-" 3 *( %' "-"& ).%1* .%1*& %# 5)-*($"#1$"#%( 3 #" (.&* *''*(

- O?-."( '* %1$5# 1%' V$ 1% '* $.'*-* %1*#-% %' @-"1" "'.@-&$" $"# *3.1* 1%#(-&.%#-"( 1% '*?"&*-"&"

- C")&"?*"( 3 %&$*"( '* &%'*$5# 1% $")&%(5# 1%' "-"&- I1%#-$*"( %' .#$"#*%#-" 1% %(-% "-"& %# '*( %-*)*( 1% *1(5#, $")&%(5#,

%;)*#(5# 3 %($*)%- H%"( #"-*1" $"" (% ).%1% $*'?&*& 3/" "1$*& -"1" %' )&"$%(" 1% .#$"#*%#-"

"1$+#1"(% %' +#8.'" 1% #3%$$5#

296.532.0

1.6

6.4


25/25

- H%"( $")&"?*1" .% %;(-% %' -&*('*)% " $&.$% 1% +'.'*( 1% *1(5# 3 %($*)%

parametros constructivos de mci

Documents