نتایج جستجو برای: concentric annulus

تعداد نتایج: 14313  

A. Jafarimoghaddam A. Jahani H. Aberoumand S. Aberoumand

In order to examine the laminar convective heat transfer of nanofluid, experiments carried out using silver-oil nanofluid in a concentric annulus with outer constant heat flux as boundary condition. Silver-oil nanofluid prepared by Electrical Explosion of Wire technique and observed no nanoparticles agglomeration during nanofluid preparation process and carried out experiments. The average size...

Journal: :transport phenomena in nano and micro scales 2015
h. aberoumand a. jahani s. aberoumand a. jafarimoghaddam

in order to examine the laminar convective heat transfer of nanofluid, experiments carried out using silver-oil nanofluid in a concentric annulus with outer constant heat flux as boundary condition. silver-oil nanofluid prepared by electrical explosion of wire technique and observed no nanoparticles agglomeration during nanofluid preparation process and carried out experiments. the average size...

Journal: :journal of petroleum science and technology 2014
maryam jouyandeh mehdi moayed mohseni fariborz rashidi

a theoretical solution is presented for the forced convection heat transfer of a viscoelastic fluid obeying the giesekus constitutive equation in a concentric annulus under steady state, laminar, and purely tangential flow. a relative rotational motion exists between the inner and the outer cylinders, which induces the flow. a constant temperature was set in both cylinders, in this study. the f...

Journal: :Journal of morphology 2003
David M Scheltinga Mark Wilkinson Barrie G M Jamieson Oommen V Oommen

The spermatozoa of Gymnophiona show the following autapomorphies: 1) penetration of the distal centriole by the axial fiber; 2) presence of an acrosomal baseplate; 3) presence of an acrosome seat (flattened apical end of nucleus); and 4) absence of juxta-axonemal fibers. The wide separation of the plasma membrane bounding the undulating membrane is here also considered to be apomorphic. Three p...

2012
MIAN QIN HAIM BAU

Submitted for the DFD10 Meeting of The American Physical Society Magneto-Hydrodynamic Flow of a Binary Electrolyte in a Concentric Annulus1 MIAN QIN, HAIM BAU, University of Pennsylvania — We study theoretically the motion of an electrolyte solution confined between two concentric, metallic cylinders subjected to an electrical potential difference in the presence of an axial magnetic field. Whe...

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