Giáo trình "Chương 1: Các tính chất của chất lỏng"

Giáo trình "Chương 1: Các tính chất của chất lỏng" giúp bạn ôn luyện và nắm vững kiến thức môn học. Mời bạn đọc đón xem!

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Môn: Thủy lực công trình

Trường: Đại học Kiến trúc Thành phố Hồ Chí Minh

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17 trang 10 tháng trước

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"!&$/ .!$
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lOMoARcPSD|36477180

 2
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'"*.'7E&'+.$
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RE#."77E!7"
 #""$/"*!I &""*
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.I &"*'.I"$ST'
.#!$
:8&)/')/*+,
P#*.!U#!!#."
!F#.#$VW*"Q)#!#
" &""*" #"
"$X"#"#""F!U#
7 !"*$/*7"7#
..I!""$
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. I "  !   # "$ J       .Q !U # Q
"!"Y"$
?7*# #*
# ."$O"#".#)&!.Q
7E""$RE* """"!U#
# """!#*"
. #""(7 !*
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A.   *  "  & " "  !Q .E  & " "
*.7#!*$
Q .I'F
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lOMoARcPSD|36477180

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G+4#-)/',)/
ρ
!$&*+!&4&5B+4#-)/',)*+7)(C!
!$&!&47+
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∆
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7
∆
7
∆ →
∆
ρ = =
∆
⇔ = = ρ
Y
@ ;
@ @
'

@ '@
' '@
4$4
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
@
ρ =
4$0
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γ
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∆ →
∆
γ = =
∆
Y
@ ;
 '

@ '@
P!"&7#

γ = = ρ
4$>
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δ
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γ
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0
O C
γ
δ =
γ
4$9
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lOMoARcPSD|36477180
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
β
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∆
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∆
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
β
=
= −  4$:
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%_
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$P
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
β
∆ →
∆
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∆
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;
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34
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;
34
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**.'!"
%H$/'")E&" %H$c!
' *
Downloaded by Ng?c Di?p ??ng (ngocdiep10012000@gmail.com)
lOMoARcPSD|36477180

 8
6 "!.'!""
#".I
I)1&!0&-)/!&4+$)/A!&4'&@)%-+!&5+#)/"&4!&@
%
µ
"'7

ν
µ
ν
ρ
=
  4$4;
P!Q"
µ
==$
4=^;$4%_
0
^;$47__
P!Q"
ν
67$
4^4
0
_^4;
39

0
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
0
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8 L#!!&M)/?*&F&5)#-)/*&+0&N)
8L#!!&M)/?*&F
C)/*A*'#*&#7'#*&
-5!"!$c*
 .#7'#*!'#*-5Q7!.$P&*"
E!I"(+7( .#7'#*
 ",'#*-5Q7!.$'de
 !&!&'Q*"'#*-5'#*#,$de
(+'#.#-5$
Downloaded by Ng?c Di?p ??ng (ngocdiep10012000@gmail.com)
lOMoARcPSD|36477180

 9
I)C)/*"#!!&M)/*&F)/+&5
<E.QdeN
σ
=
!
σ
(+
Y+ '  # " *  7#  F & " # . 
7".IQ#, E &
""7$%+++ 
"7&#.#!'7#
# ,  & " # .# & + Q 7 ! # . 7  "$ O
*&+""Q($
I):#-!',)!&!%&)#$!&4+$)/&5#-!*&F',)*&F+&)/
=&(#(" &",.
"!(" &".#+(&
+*!'E+6

σ
=
 4$44
σ
NO(&+ !"##"#
. 
σ
= −
 4$40
dN6(+
N/&'"+ 
6*.
σ
'.#!Q&' "&+
"!"7+(.#!Q&+$%'.
+ Z"&+*!Z! !.#&+$
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lOMoARcPSD|36477180

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σ σ π
= =

σ π σ
π
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lOMoARcPSD|36477180

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lOMoARcPSD|36477180

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σ π π
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.&".&""!"$%
"'##.$%"7#
Q* "*#$/&" &"'#
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
σ θ
γ
=
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lOMoARcPSD|36477180
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=
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σ θ
γ
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=
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
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γ
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lOMoARcPSD|36477180
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