Flujo Rapidamente Variado

July 18, 2022 | Author: Anonymous | Category: N/A
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  AUTÓNOMA DE  YUCATÁN  YUCAT FACULTAD DE INGENIERIA

MA MATERIA: TERIA: HIDRÁULICA DE TUBERÍAS Y CANALES DOCENTE: ING. CESAR CANUL MACARIO M. I.

UNIDAD 6: FLUJO RAPIDAMENTE VARIADO  TEMAS: 6.1. Carac!r"#$ca# %!&!ra'!# (!' )*+,. 6.-. Sa', $(r/*'$c,: c'a#$0cac$&2 a'*ra2 34r($(a (! !&!r%"a2 ',&%$*(2 3!r0' 5 *$cac$& (!' #a',.

 

RESALTO HIDRAULICO SOBREPRESION

AUMENTO PENDIENTE

 

CAIDA HIDRAULICA DEPRESION  Yc EN PTO INFLE7ION

CAMBIO PENDIENTE CAIDA LIBRE

R,*#!  Yc81.9Y,  Yc81.9Y ,

 

Ca&$(a( (! ;,*! a'ca&a 'a a'*ra (! a%*a !& !' ca&a'.





E&!r%"a ca*#a(a 3,r !' !!c, (! 'a 3r!#$& (!'!'a%*a /r!a5 'a ra&#*! 'a ($#r$*c$& (! 3r!#$,&!# !& ca*c!# a #*3!r0c$! '$r! !# '$&!a'. La ($#r$*c$& ,a' (! 3r!#$,&!# 3*!(! #!r r!3r!#!&a(a 3,r *& *! 3ar$c$3a !& 'a !c*ac$& (! *!ra !#3!c"0ca

C*a&(, !' /&%*', (! $&c'$&ac$& (!' ca&a' !# ;*5 %ra&(! #! 3*!(! !&!r >*! ac!r *&a c,rr!cc$& c, rr!cc$& a' $ra&! c,;, #! ,#!r*! !& 'a !&!r%"a !#3!c"0ca 'a !c*ac$& !#a !& *&c$& (!' 3!#, !#3!c"0c, (!' a%*a >*! !r$ca;!&! !# c,&#a&! !&'a,(, !' ca&a' 3,r ',#,& >*!(!'a# *&$(a(!# (! *!ra !#3!c"0ca ;.

S$ #! $!&! )*+, *&$,r;! #! !#3!ra >*! 'a *!ra !#3!c"0ca !& !' ca&a' #!a c,&#a&! a ',# 'ar%, (!' ;$#;,.

 

D! $%*a' ,r;a >*! 'a !&!r%"a !#3!c"0ca #! ,#!r* E# *&a *&c$& (!' Ár!a >*! !# *&c$& (!' $ra&! !  3, >*! #! 3*!(! c,&#r*$r >*! *&a !' c*r*! !& *& r!#a', $(r/*'$c, !$#! *&a 34r($(a (! !&!r%"a (a(a 3,r •





'a *r*'!&c$a (!' #a', $(r/*'$c, 3!r, &, *&a 34r($(a 34r($(a (! *!ra !#3!c"0ca. 3%s2rvese que para el mismo tirante ( ! (" se tiene una misma *uer+a



espec,-ca4 sin em%ar.o5 E no es i.ual a E"6  

 TIRANTES  TIR ANTES CONJUG CONJUGADOS ADOS

6

Y G1 A1 +

β Q 2  gA1

=Y G 2 A2 +

β Q 2  gA2

La !c*ac$& #*%$!r! >*! ,(, #a', $(r/*'$c, 3*!(! #!r *&a *&c$& (! Y1Y-

S$& !;ar%, #a!;,# >*! !' Ár!a 5 !' c!&r,$(! YG #,& *&c$,&!# (!' $ra&! #*#$*5!&(, YG 3,r *&a *&c$& ZY (,&(! Z !# *&a c,&#a&! >*! (!0&! 'a *&c$& (!' c!&r,$(! 5 a(!;/# 81 !&!;,#:

Q2

Q2

k 1 y1 A1 +  gA  = k 2 y2 A2 +  gA 1 2

 

k 2 y2 A2 − k 1 y1 A1 − 

Q2  g 

1 1  A −  A  = 0  1 2

M*'$3'$ca&(, ,(, 3,r A-

k 2 y2 A2

2

− k 1 y1 A1 A 2 − A(!;a#:  F  =

L*!%, #! ($*! ''!*! ra,ra *& %a#, (! - ;#. E' $ra&! a%*a# arr$a !# (! .9 ; 5 a #*r$(, *& ca;$, r*#c, (! 3!&($!&!.

Y 1 /  D = 0.40    m / 2m = 0.2

Q   5/ 2 =  g  D

2m 3 / s

 

2

9.8m / s ( 2.0m)

5/ 2

= 0.112

Y 2 / D = 0.53 → Y  2  = 0.53 * 2.0m = 1.06m

 

2m 3 / s

Q  g  y

5/ 2 1

=

9.8m / s (0.4m) 2

6.31 5/ 2

=

 y2  y1 = 2.6 →  y2 = 2.6(0.40m) = 1.04m

 

PERFIL DE SAL SALTO TO Y LONGITUD

L,&%$*( r!a' (!' #a',2 ',&%$*( (!#(! !' r4%$;!& #*3!rcr"$c,2 a#a 'a >*! #! a'ca&a 'a ;/$;a !'!
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