Numerical study on turbulent flow and heat transfer in circular Couette flows

Journal Article · Thu Sep 01 04:00:00 EDT 1994 · Numerical Heat Transfer. Part A, Applications; (United States)

DOI:https://doi.org/10.1080/10407789408955995· OSTI ID:6954100

Torii, Shuichi ^[1]; Yang, W J ^[2]

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1. Kagoshima Univ. (Japan). Dept. of Mechanical Engineering
2. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Mechanical Engineering and Applied Mechanics

A numerical study is performed to investigate heat transfer and fluid flow in the entrance and fully developed regions of an annulus, consisting of a rotating, insulated inner cylinder and a stationary, heated outer cylinder. Several different [kappa]-[epsilon] turbulence models are employed to determine the turbulent kinetic energy, its dissipation rate, and the heat transfer performance. The governing boundary layer equations are discretized by means of a control volume finite difference technique and numerically solved using the marching procedure. In the entrance region the axial rotation of the inner cylinder induces a thermal development and causes an increase in both the Nusselt number and the turbulent kinetic energy in the inner cylinder wall region. In the fully developed region, an increase in the Taylor number causes an amplification of the turbulent kinetic energy over the whole cross section, resulting in a substantial enhancement in the Nusselt number. These transport phenomena are also affected by the radius ratio and Reynolds number.

• OSTI ID: 6954100
• Journal Information: Numerical Heat Transfer. Part A, Applications; (United States), Journal Name: Numerical Heat Transfer. Part A, Applications; (United States) Vol. 26:3; ISSN NHAAES; ISSN 1040-7782
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
ANNULAR SPACE
CONFIGURATION
ENERGY TRANSFER
FLUID FLOW
HEAT TRANSFER
MATHEMATICS
NUMERICAL ANALYSIS
SPACE
TUNNELS
TURBULENT FLOW
UNDERGROUND FACILITIES