#6490. Experimental Study on Flow Behavior and Heat Transfer Enhancement with Distinct Dimpled Gas Turbine Blade Internal Cooling Channel

November 2026publication date
Proposal available till 10-05-2025
4 total number of authors per manuscript0 $

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Journal’s subject area:
Modeling and Simulation;
Civil and Structural Engineering;
Management, Monitoring, Policy and Law;
Mechanical Engineering;
Building and Construction;
Industrial and Manufacturing Engineering;
Electrical and Electronic Engineering;
Fuel Technology;
Energy Engineering and Power Technology;
Pollution;
Energy (all);
Renewable Energy, Sustainability and the Environment;
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Abstract:
The study presents the investigation on heat transfer distribution along a gas turbine blade internal cooling channel. Six different cases were considered in this study, using the smooth surface channel as a baseline. Three different dimples depth-to-diameter ratios with 0.1, 0.25, and 0.50 were considered. Different combinations of partial spherical and leaf dimples were also studied with the Reynolds numbers of 6,000, 20,000, 30,000, 40,000, and 50,000. In addition to the experimental investigation, the numerical study was conducted using a large eddy simulation (LES) to validate the data.
Keywords:
alternative energy sources; dimpled cooling channel; energy conversion/systems; gas turbine blade; heat transfer augmentation; internal cooling; large eddy simulation; power (co-) generation; thermal performance

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