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RESEARCH PAPERS: Gas Turbines: Heat Transfer

Numerical Analysis of Heat Pipe Turbine Vane Cooling

[+] Author and Article Information
Z. J. Zuo

Thermacore, Inc., 780 Eden Rd., Lancaster, PA 17001

A. Faghri, L. Langston

Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269

J. Eng. Gas Turbines Power 120(4), 735-743 (Oct 01, 1998) (9 pages) doi:10.1115/1.2818461 History: Received August 28, 1997; Online November 19, 2007

Abstract

A numerical model was developed to simulate transient performance of a heat pipe turbine vane under typical gas turbine engine conditions. Curvilinear coordinates were used to describe the three-dimensional wall and wick heat conduction coupled with the quasi-one-dimensional vapor flow. A unique numerical procedure including two iterative “estimate-correction” processes was proposed to efficiently solve the governing equations along with the boundary conditions. Comparisons with experimental results validated the numerical model and the solution method. A detailed numerical simulation of the heat pipe vane’s transient performance indicated the benefits of incorporating heat pipe vane cooling as well as the areas where precautions should be taken while designing heat pipe vanes.

Copyright © 1998 by The American Society of Mechanical Engineers
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