A decoupled CHT procedure: Application and validation on a gas turbine vane with different cooling configurations

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Abstract

Gas turbine performance improvement is strictly linked to the attainment of higher maximum temperature, hence heat load management becomes an essential activity. This paper presents a decoupled procedure aimed to predict cooling performances and metal temperatures of gas turbine blades and nozzles: needed inputs are evaluated by different tools (CFD, in-house fluid network solver, thermal FEM). The procedure is validated on two different test cases: an internally cooled vane (Hylton et al.[1]), and an internally and film cooled vane (Hylton et al.[2]). Metal temperature and adiabatic effectiveness distributions are compared against experimental data and results from a fully 3D coupled CHT CFD analysis. © 2013 The Authors.

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Andrei, L., Andreini, A., Facchini, B., & Winchler, L. (2014). A decoupled CHT procedure: Application and validation on a gas turbine vane with different cooling configurations. In Energy Procedia (Vol. 45, pp. 1087–1096). Elsevier Ltd. https://doi.org/10.1016/j.egypro.2014.01.114

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