Etude exploratoire des effets de l`électrohydrodynamique sur le

Etude exploratoire des effets de
l’électrohydrodynamique sur le
pompage au sein d’un caloduc
plat
!"#$%&'()&*+",-(
.&/01%(."1+1%-2(.3456&,1(7"5'82(7&0*1,3(9&:$0'3-2(;$#1%<,(=$,>$0*8((
-(.?@AB2(-CDE(*01(+1(%&(5"'#",12(.3(@&*F,(+GHI*1'2(J*&,#1(
8()KLH?72(=MF/1,3(.&+"N)&*,$3(O(*01(+1(%&(B6<'"P012(Q"%%10*R&,,12(J*&,#1(
L6I'1(AS)N4,1*T"1(U($#3(8E-VN8E-W(
-(

Caloducs plats
Intérêt' U( L*&,'5$*31*( +1( #6&%10*( +&,'( +1'( X$,1'( Y( Z$*3( 1,#$/R*1/1,3( 1,( 0F%"'&,3( %1'(
5*$5*"434'(+G0,([0"+1(+"56&'"P01((
N K\3*&#F$,(+1(#6&%10*(5&*(#6&,T1/1,3(+1(56&'1(
N B$/5&T1(Y(%G&"+1(+1(%&(:&*"&F$,(+1(#$0*R0*1'(Y(%G",31*Z&#1((
Limite':'B$/5&T1(#&5"%%&"*1(%"/"34(5&*(%1'(51*31'(+1(#6&*T1'(
(
8(
)&%$+0#(5%&3(]-^( K:$%0F$,(+1(%&(5*1''"$,(+&,'(0,(#&%$+0#(5%&3(]8^(13(4:$%0F$,(+1(
(%&(Z$*/1(+1(%G",31*Z&#1(1,3*1(%G4:&5$*&310*(13(%1(#$,+1,'10*(]C^(
]-^(7?B.2(._(`8EEOa_(A,&%<'1(564,$/4,$%$T"P01(+0(Z$,#F$,,1/1,3(+1(+"b0'10*'(361*/"P01'(+"56&'"P01'(`#&%$+0#'(5%&3'a(5&*(:$"1'(1\54*"/1,3&%1(13(,0/4*"P01_(
]8^=$,>$0*2(;_2(71ZI:*12(J_2(.&*3*12(Q_2(=1*F,2(c_2(S$/1'3&,32()_2(A<1%2(Q_2(d(B%&31%2(Q_(`8E-Ea_(.<'3I/1'(+"56&'"P01'(+1(#$,3*e%1(361*/"P01(L61*/$'"56$,'(13(#&%$+0#'_(Techniques*de*
l’Ingénieur2(-f8D_(
]C^A:1,&'2(c_(`8E-Ea_(K30+1(13(*4&%"'&F$,(+1(#&%$+0#'(5%&3'(/","&30*1'(5$0*(%G",34T*&F$,(1,(4%1#3*$,"P01(+1(50"''&,#1_(S13*"1:1+(Z*$/(6g5'Uhh31%_&*#6":1'N$0:1*31'_Z*h31%NEEDiC8-i(
(

EHD
C(
K%1#3*$N'5*&<(]D^(
.45&*&F$,(+1(56&'1'(]i^(
94Z$*/&F$,(+G",31*Z&#1(]V^(
?$,"'&F$,(+G0,(T&X(]j^(
@$+"k#&F$,(+1(%G4#$0%1/1,3(]W^(
]D^(6g5Uhh*'%_1,T_0'Z_1+0hB&T1'hS1'1&*#6K%1#3*$'5*&<A/R"1,3_63/%(
]V^7_(9&:$0'32(.?@&BhKB@_(KH9(9*$5($,(+1/&,+_((
]j^L_(l&m&'&n"(`8E-8a_(=&'"#(.30+<($,(o1,1*&F$,(&,+(.31*"%"X&F$,($Z(.6113(L<51(B%&'/&(;13N%"n1(9=9(p,+1*(A3/$'561*"#(B*1''0*1(
]i^B_Ag1,(`8E-8a_(K%1#3*$6<+*$+<,&/"#'($Z(+"'51*'1+(+*$5'($Z(#$,+0#F,T(%"P0"+(U(Z*$/(+*$5'(+1Z$*/&F$,(&,+(",31*&#F$,(3$(1/0%'"$,(1:$%0F$,(
]W^A_(71*$<(`8E-8a_(K,6&,#1/1,3($Z(%"q(&,+(+*&T(51*Z$*/&,#1'($Z(!A)AEE-8(&"*Z$"%(R<(/0%FN9=9(5%&'/&(&#30&3$*(m"36(&++"F$,&%([$&F,T(",31*1%1#3*$+1'(
(

Les caloducs et l’EHD
Plusieurs'expériences':'
N L_=_(;$,1'(`-OiDa(
N S_(7$16*n1(`-OiWa(
N B_()$$51*(`-OOEa(
N ;_c&T$$R"(`-OOia(
N r_(cp(`8EECa(
But':'
N A/4%"$*1*(%1(5$/5&T1h%1'(3*&,'Z1*3'(
N )$,3*e%1*(%&(31/54*&30*1(
Conclusion':'
N Kb13'(5$'"FZ'(+1(%GKH9('0*(%G&/4%"$*&F$,(+1'(51*Z$*/&,#1'(
N o4$/43*"1(+"b4*1,31(+G0,(#&%$+0#(5%&3(
N B&'(+1(R"%&,(%$#&%(
(
K\54*"1,#1(+1(;$,1'(]O^( K\54*"1,#1(+1()$$51*(]-E^(
]O^;$,1'2(L_(=_(`-OiDa_(K%1#3*$6<+*$+<,&/"#(61&3(5"51(1\51*"/1,3'_(;$0*,&%($Z(A55%"1+(B6<'"#'2(DV`Va2(8-8O_(6g5Uhh+$"_$*Th-E_-EjCh-_-jjCVVi(
]-E^)$$51*2(B_(`-OOEa_(KH9(K,6&,#1/1,3($Z(!0#%1&31(=$"%",T_(;$0*,&%($Z(H1&3(L*&,'Z1*2(--8`8a2(DVW_(6g5Uhh+$"_$*Th-E_---Vh-_8O-EDEE(
D(

EHD interfaciale
• 910\(/"%"10\(+1(permi7vité'différente'+4%"/"34'(5&*(0,1(",31*Z&#1(
• B&'(+1(5*4'1,#1(+1(#6&*T1'(:$%0/"P01'(+&,'(#1'(/"%"10\(
• .&03(+1(5*$5*"434'(Y(%G",31*Z&#1((
⇒ (#*4&F$,(+1(#$,3*&",31(4%1#3*"P01(
Contrainte'normale':'
!!"#$%% ! !!&# " %' # %! $ (# "% $) # % & !(# "% *) # % '( !$% & !!&# # %' # %! $ (# #% $) # %
& !(# #% *) # % '( !$% '
⇒ ()$,3*&",31(",+451,+&,31(+1(%G$*"1,3&F$,(+1( !(% '
Contrainte'tangen=elle':'
!!"#*%% ! ! $ &# " %!(# "% $% & !&# # %!(# #% $% ' !(#*%!*% '
'
@"%"10(-(
(
(
(
(
(
@"%"10(8(
!!
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#
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!!
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#
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V(
Expérience'de'Taylor'Melcher'(1969)'U(
pF%"'&F$,(+G0,(#6&/5(,$*/&%(13(+G0,(
#6&/5(3&,T1,F1%(Y(%G",31*Z&#1(
!!"#$%% (13( !!"#*%% (
⇒ s#$0%1/1,3(+&,'(%1(%"P0"+1(