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The effect of weak inertia on the emptying of a tube (vol
14, pg 2102, 2002)
Alain de Ryck
To cite this version:
Alain de Ryck. The effect of weak inertia on the emptying of a tube (vol 14, pg 2102, 2002): Erratum. Physics of Fluids, American Institute of Physics, 2002, 14 (7), p. 2102-2108. �10.1063/1.1511732�. �hal-01652386�
Erratum: ‘‘The effect of weak inertia on the emptying of a tube’’
†
Phys. Fluids 14, 2102
„
2002
…‡
Alain de Rycka)
Ecole des Mines d’Albi, Campus Jarlard, route de Teillet, F-81000 Albi Cedex 09, France
The original manuscript contained errors requiring the following changes to six of the equations. There is a term lacking in Eq.共26兲, and the coefficients in Eq. 共27兲 and 共28兲 have to be corrected. In Eqs.共1兲, 共13兲 and 共22兲, there is a mix with previous coordinates.
共1兲 In Eq. 共1兲 r should be replaced by y and the second ⫹ in the left member replaced by⫺ to give
再
2u x2⫹ 2u y2⫺ 1 r⫺y u y冎
⫽ p x⫹冉
u y⫹u u x冊
. 共2兲 Equation 共13兲 should be Q⫽冕
0 h 2共r⫺y兲udy⫽冕
0 e 2共r⫺y兲Vdy.共3兲 In Eq. 共22兲, h should be replaced by (r⫺h) to give
ps⫽⫺␥c⫺2 u0
x
冏
s⫺2 uosr⫺hhx.
共4兲 In Eq. 共26兲, w should be replaced by u and it lacks a term in the left member. Eq.共26兲 now writes
再
2u 0 x2 ⫹ 2u y2⫺ 1 r⫺y u y冎
⫽ p x⫹冉
0 uo y ⫹uo uo x冊
.共5兲 In Eq. 共27兲, some numerical coefficients in the second term of the right hand side are wrong. It should be
Cx⫽3 1⫺Y Y3
冉
1⫹E Y⫺1 2冊
⫹3 Ca2/3 Y3 ⫻再
YXXY冋
33⫺7Y 20 ⫹E ⫺99⫹150Y⫺31Y2 120册
⫹YX 2冋
⫺31⫺2Y 10 ⫹E 31⫺19Y⫺2Y2 20册冎
⫹ 1 35FECa 4/3YX Y3冋
6共⫺9⫹Y⫹Y 2兲 ⫹E1728⫺1131Y⫺171Y 2⫹134Y3 32册
.共6兲 In Eq. 共28兲, two coefficients are wrong. It should be
s3⫹ E 2 Ca2/3 s 共1⫺E兲2⫹3⫺Ca2/3s2
冉
39 10⫹ E 2冊
⫹FECa4/3s冉
6 5⫺ E 2冊
⫽0.a兲Telephone: 33-5-63-49-30-00; fax: 33-5-63-49-30-99; electronic mail: