Computational Study

• Calculate flow field, heat transfer coefficients and pressure drops in the rectangular channels with V-shaped ribs for higher rotation number, higher coolant to wall temperature ratio cases using two-layer k- e model and second moment closure model.

• Calculate flow field, heat transfer coefficients and pressure drops in the rectangular channels with V-shaped ribs for different channel orientations by the two-layer k- e model and second moment closure model.

• Validate the numerical predictions with above-mentioned flow, heat transfer, and pressure drop measurements (part I) for assessment of the general performance of RANS code and turbulence models.

• Extend above-mentioned calculations for a very high Reynolds number (Re = 500,000) and buoyancy parameter (Bo = 10) conditions.

Interim Report Subcontract #01-01-SR089

Internal Cooling in Leading- and Trailing-Edge Passages with Rotation and Buoyancy

Louisiana State University Baton Rouge Louisiana 70803

PI: Sumanta Acharya Mechanical Engineering Department

Submitted To

Department of Energy Advanced Gas Turbine Systems Research Program South Carolina Energy Research and Development Center

Clemson, SC 29634

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