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Série Quarterly journal of mechanics and applied mathematics, QJMAM
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Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.4, No.1. The velocity distribution in the laminar boundary layer between parallel streams / R. C. Lock
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.4, No.1 Titre : The velocity distribution in the laminar boundary layer between parallel streams Type de document : articles et extraits Auteurs : R. C. Lock, Auteur Année de publication : 1951 Importance : p. 42-63 Langues : Français (fre) Résumé : A method is given for obtaining the solution of the laminar boundary layer equations for the steady flow of a stream of viscous incompressible fluid over a parallel stream of different density and viscosity. An approximate solution is also obtained by means of the momentum equation. It is shown that the solutions depend only on the ratio U2/U1 of the velocities of the two streams and on the product pµ of the corresponding density and viscosity ratios. Numerical results are given, in the case where the lower fluid is at rest, for four values of pµ, and also when pµ = 1, for one non-zero value of the velocity ratio.
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.4, No.1. The velocity distribution in the laminar boundary layer between parallel streams [articles et extraits] / R. C. Lock, Auteur . - 1951 . - p. 42-63.
Langues : Français (fre)
Résumé : A method is given for obtaining the solution of the laminar boundary layer equations for the steady flow of a stream of viscous incompressible fluid over a parallel stream of different density and viscosity. An approximate solution is also obtained by means of the momentum equation. It is shown that the solutions depend only on the ratio U2/U1 of the velocities of the two streams and on the product pµ of the corresponding density and viscosity ratios. Numerical results are given, in the case where the lower fluid is at rest, for four values of pµ, and also when pµ = 1, for one non-zero value of the velocity ratio. Réservation
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Code-barres Cote Support Localisation Section Disponibilité ART-195142 LOC Document imprimé Bureau chercheur Bureau de ANSELMET, Fabien Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3. Flow through constricted or dilated pipes and channels. 1 / F. T. Smith
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3 Titre : Flow through constricted or dilated pipes and channels. 1 Type de document : articles et extraits Auteurs : F. T. Smith, Auteur Année de publication : 1976 Importance : p.343-364 Langues : Français (fre)
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3. Flow through constricted or dilated pipes and channels. 1 [articles et extraits] / F. T. Smith, Auteur . - 1976 . - p.343-364.
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Code-barres Cote Support Localisation Section Disponibilité ART-7436-0 ART Document imprimé Bureau chercheur Bureau de DUCLAUX Virginie Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3. Flow through constricted or dilated pipes and channels. 2 / F. T. Smith
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3 Titre : Flow through constricted or dilated pipes and channels. 2 Type de document : articles et extraits Auteurs : F. T. Smith, Auteur Année de publication : 1976 Importance : p.365-376 Langues : Français (fre) Résumé : For pt.I see ibid., vol.29, p.343 (1976). Indented tube flows are discussed when the characteristic Reynolds number K is large, the oncoming flow is fully developed and the indentations are slowly varying. The range of the theory in pt.I is extended to steady or unsteady asymmetric channel flows with alpha =O(K/sup -3/7/), and to symmetric tube flows with alpha =O(K/sup -1/3/), where alpha is a typical slope of the constriction. In the first regime here an upstream interaction takes place over a large length scale, forced by the transverse pressure gradient acting in the channel core, although oscillations of sufficiently high frequency in the wall shape can suppress this upstream response. The long-scale interaction is believed to occur ahead of any severe asymmetric distortion in steady channel flow, however. The second regime involves an elliptic core flow as the indentation length is shortened, but the wall layer is effectively unaltered ahead of the indentation.
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.29 No.3. Flow through constricted or dilated pipes and channels. 2 [articles et extraits] / F. T. Smith, Auteur . - 1976 . - p.365-376.
Langues : Français (fre)
Résumé : For pt.I see ibid., vol.29, p.343 (1976). Indented tube flows are discussed when the characteristic Reynolds number K is large, the oncoming flow is fully developed and the indentations are slowly varying. The range of the theory in pt.I is extended to steady or unsteady asymmetric channel flows with alpha =O(K/sup -3/7/), and to symmetric tube flows with alpha =O(K/sup -1/3/), where alpha is a typical slope of the constriction. In the first regime here an upstream interaction takes place over a large length scale, forced by the transverse pressure gradient acting in the channel core, although oscillations of sufficiently high frequency in the wall shape can suppress this upstream response. The long-scale interaction is believed to occur ahead of any severe asymmetric distortion in steady channel flow, however. The second regime involves an elliptic core flow as the indentation length is shortened, but the wall layer is effectively unaltered ahead of the indentation.
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Code-barres Cote Support Localisation Section Disponibilité ART-7438-0 ART Document imprimé Bureau chercheur Bureau de DUCLAUX Virginie Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42. Edge waves over a sloping beach / D. V. Evans
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42 Titre : Edge waves over a sloping beach Type de document : articles et extraits Auteurs : D. V. Evans, Auteur Année de publication : 1989 Importance : p.131-142 ISBN/ISSN/EAN : 00335614 Langues : Français (fre)
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42. Edge waves over a sloping beach [articles et extraits] / D. V. Evans, Auteur . - 1989 . - p.131-142.
ISSN : 00335614
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Code-barres Cote Support Localisation Section Disponibilité ART-7750-0 ART Document imprimé Bureau chercheur Bureau de KHARIF Christian Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42. A note on generalized edge waves on a sloping beach / B. A. Packham
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42 Titre : A note on generalized edge waves on a sloping beach Type de document : articles et extraits Auteurs : B. A. Packham, Auteur Année de publication : 1989 Importance : p.441-446 ISBN/ISSN/EAN : 00335614 Langues : Français (fre)
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.42. A note on generalized edge waves on a sloping beach [articles et extraits] / B. A. Packham, Auteur . - 1989 . - p.441-446.
ISSN : 00335614
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Code-barres Cote Support Localisation Section Disponibilité ART-7751-0 ART Document imprimé Bureau chercheur Bureau de KHARIF Christian Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.33 No.1. A boundary-layer collision in a curved duct / K. Stewartson
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.33 No.1 Titre : A boundary-layer collision in a curved duct Type de document : articles et extraits Auteurs : K. Stewartson, Auteur ; T. CEBECI, Auteur ; K. C. Chang, Auteur Année de publication : 1980 Importance : p.59-75 Langues : Français (fre)
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.33 No.1. A boundary-layer collision in a curved duct [articles et extraits] / K. Stewartson, Auteur ; T. CEBECI, Auteur ; K. C. Chang, Auteur . - 1980 . - p.59-75.
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Code-barres Cote Support Localisation Section Disponibilité ART-8047-0 ART Document imprimé Bureau chercheur Bureau de PELISSIER Robert Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.37. The development of nonlinearities in the E to the 1/3 Stewartson layer / S. H. Smith
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.37 Titre : The development of nonlinearities in the E to the 1/3 Stewartson layer Type de document : articles et extraits Auteurs : S. H. Smith, Auteur Année de publication : 1984 Importance : p.75-85 ISBN/ISSN/EAN : 0033-5614 Langues : Français (fre) Résumé : The present paper develops a formal asymptotic analysis for the growth of nonlinearities in the one-third Stewartson layer formed by the flow from a line source in a rotating fluid. When the Rossby number, epsilon, is large compared to E to the 1/2, for Ekman numbers E, it is found that inertial forces need be included in a domain with width O(epsilon to the 1/2 times E to the 1/4) and height O(epsilon to the 3/2 times E to the -1/4), which grows in size for increasing epsilon. Within this domain there are separate subdomains which can be recognized
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.37. The development of nonlinearities in the E to the 1/3 Stewartson layer [articles et extraits] / S. H. Smith, Auteur . - 1984 . - p.75-85.
ISSN : 0033-5614
Langues : Français (fre)
Résumé : The present paper develops a formal asymptotic analysis for the growth of nonlinearities in the one-third Stewartson layer formed by the flow from a line source in a rotating fluid. When the Rossby number, epsilon, is large compared to E to the 1/2, for Ekman numbers E, it is found that inertial forces need be included in a domain with width O(epsilon to the 1/2 times E to the 1/4) and height O(epsilon to the 3/2 times E to the -1/4), which grows in size for increasing epsilon. Within this domain there are separate subdomains which can be recognized
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Code-barres Cote Support Localisation Section Disponibilité ART-9155-0 ART Document imprimé Bureau chercheur Bureau de PONCET Sébastien Disponible Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.49 No.4. Sudden changes in a potential flow with a free surface due to impact / M. J. Cooker
in Quarterly journal of mechanics and applied mathematics, QJMAM
Titre de série : Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.49 No.4 Titre : Sudden changes in a potential flow with a free surface due to impact Type de document : articles et extraits Auteurs : M. J. Cooker, Auteur Année de publication : 1996 Importance : p.581-591 Langues : Français (fre) Résumé : The impact of a region of incompressible fluid is modelled by considering the finite change that occurs in the velocity (and hence in the velocity potential) during the short time Delta t of impact. The sudden switch from the initial to the final velocities is characterized by a function of time which is found and shown to be asymptotic to Heaviside's function as Delta t tends to zero. The pressure field, at each point in space, is consequently a transition between two different pressures superimposed on a ""spike"" of high pressure and of duration Delta t, during impact. An appropriate boundary-value problem is posed which enables us to calculate the changes in the fields of potential, velocity and pressure. The work takes into account nonlinear terms, which have previously been neglected in the traditional theory of pressure impulse.
in Quarterly journal of mechanics and applied mathematics, QJMAM
Quarterly journal of mechanics and applied mathematics, QJMAM, Vol.49 No.4. Sudden changes in a potential flow with a free surface due to impact [articles et extraits] / M. J. Cooker, Auteur . - 1996 . - p.581-591.
Langues : Français (fre)
Résumé : The impact of a region of incompressible fluid is modelled by considering the finite change that occurs in the velocity (and hence in the velocity potential) during the short time Delta t of impact. The sudden switch from the initial to the final velocities is characterized by a function of time which is found and shown to be asymptotic to Heaviside's function as Delta t tends to zero. The pressure field, at each point in space, is consequently a transition between two different pressures superimposed on a ""spike"" of high pressure and of duration Delta t, during impact. An appropriate boundary-value problem is posed which enables us to calculate the changes in the fields of potential, velocity and pressure. The work takes into account nonlinear terms, which have previously been neglected in the traditional theory of pressure impulse.
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Code-barres Cote Support Localisation Section Disponibilité ART-9191-0 ART Document imprimé Bureau chercheur Bureau de ANTKOWIAK Arnaud Disponible