Jeanlouis marie poiseuille 1797, paris1869, paris, medecin physiologiste francais, entre en 1815 a lecole polytechnique, qui ferme provisoirement en avril. Comparatively little is known of the life of jean leonard marie poiseuille 17971869 of paris. Remarkably little seems to be known about his life. The poiseuille s law states that the flow of liquid depends on following factors like the pressure gradient. Poiseuille s law is widely known, and frequently applied and referred to. These new concepts of capillary pump are of great potential to improve the performance of lateral flow test. On etudie lecoulement dun fluide visqueux, incompressible, newtonien, a vitesse lente. Poiseuille for the laminar flow regime in the hydraulic pipes. Olivier granier, delphine chareyron, nicolas taberlet.
Poiseuille avec flux radial dun fluide rheofluidifiant. Head loss valve authority kv vs cv and head loss coefficients head loss. Stresses in laminar motion famous result is known as poiseuilles equation, and the type of flow to which it refers is called poiseuille flow read more. Poiseuille number for the fully developed laminar flow. A unit of dynamic viscosity of a fluid in which there is a tangential force of 1 newton per square meter resisting the flow of two parallel layers past each. The entire relation or the poiseuilles law formula is given by, q. I ecoulements conduisants aux solutions exactes des equations. Considerons alors lecoulement laminaire dun fluide.
History jean leonard marie poiseuille 17971869 was born and died in paris. Clearly, the poiseuille number makes a lot more sense than the fanning friction factor in laminar duct flow, being a pure constant that is independent of fluid material properties, velocity, temperature, or duct size. Tp 3 ecoulement laminaire longitudinal entre deux plaques. P, the length of the narrow tube l of radius r and the viscosity of the fluid. He made important contributions to the experimental study of circulatory dynamics but it can hardly be said that poiseuille knowingly described the law which governs laminar flow. My friend says its pronounced poisooee but i think hes just making fun of me.
Plane poiseuille flow is perhaps the archetypal example of a flow with two stable coexisting. Poiseuille et lecoulement des liquides dans les capillaires. This page was last edited on 11 january 2019, at 16. Poiseuille pour regime decoulement laminaire dans les. Le pascal seconde sest anterieurement appele poiseuille symbole pl, en hommage au physicien francais jeanleonardmarie poiseuille. I ecoulements conduisants aux solutions exactes des. Poiseuille formula equation for the laminar flow regime in the hydraulic pipess. Poiseuille formula derivation hagen poiseuille equation. Jean leonard marie poiseuille 17971869, sur bnf data. Poiseuille article about poiseuille by the free dictionary. Files are available under licenses specified on their description page.