NDLI: Numerical Simulations of Heat Transfer in Taylor-Couette Flow

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Kedia, R. Hunt, M. L. Colonius, T.
Copyright Year	1998
Abstract	Numerical simulations have been performed to study the effects of the gravitational and the centrifugal potentials on the stability of heated, incompressible Taylor-Couette flow. The flow is confined between two differentially heated, concentric cylinders, and the inner cylinder is allowed to rotate. The Navier-Stokes equations and the coupled energy equation are solved using a spectral method. To validate the code, comparisons are made with existing linear stability analysis and with experiments. The code is used to calculate the local and average heat transfer coefficients for a fixed Reynolds number (Re = 100) and a range of Grashof numbers. The investigation is primarily restricted to radius ratios 0.5 and 0.7 for fluids with Prandtl number of about 0.7. The variation of the local coefficients of heat transfer on the cylinder surface is investigated, and maps showing different stable states of the flow are presented. Results are also presented in terms of the equivalent conductivity, and show that heat transfer decreases with Grashof number in axisymmetric Taylor vortex flow regime, and increases with Grashof number after the flow becomes nonaxisymmetric.
Starting Page	65
Ending Page	71
Page Count	7
File Format	PDF
ISSN	00221481
e-ISSN	15288943
Journal	Journal of Heat Transfer
Volume Number	120
Issue Number	1
DOI	10.1115/1.2830066
Language	English
Publisher	The American Society of Mechanical Engineers
Publisher Date	1998-02-01
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Computer simulation Cylinders Equations Flow (Dynamics) Fluids Heat transfer Heat transfer coefficients Navier-Stokes equations Prandtl number Reynolds number Stability Vortex flow
Content Type	Text
Resource Type	Article
Subject	Mechanical Engineering Mechanics of Materials Condensed Matter Physics Materials Science

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