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%0 Chart or Table %A Wilker, Julius %A Göttlich, Tim %A Helmig, Thorsten %A Solana Gomez, Rafael %A Askarizadeh Ravizi, Hossein %A Kneer, Reinhold %T Determining Local Distribution of Convective Heat Transfer Coefficients on the Tool during Orthogonal Cutting - Supplementary Dataset %M RWTH-2024-07601 %D 2025 %X Particularly during machining, large heat sources and thus high temperature gradients and mechanical stress occur in the cutting zone. By using cutting fluids, part of the heat generated can be dissipated, thereby reducing local temperatures. In order to quantify the cooling efficiency of the cutting fluid, the flow behavior of the cutting fluid in vicinity of the cutting zone must be determined to derive the resulting convective heat transfer coefficients at the tool. The geometries, temperature fields as well as the heat sources resulting during the machining process are extracted from a chip formation simulation using FEM and used to set up a three-dimensional CFD flow simulation. This work investigates the local distribution of the convective heat transfer coefficient as a function of the flow boundary conditions, specifically evaluating the effects of Reynolds number, injection angle, and nozzle radius. Simulation results reveal that the distribution of the convective heat transfer coefficient on the tool rake face can be divided into three distinct regions: The impingement zone where the impinging jet first strikes, the deflection zone near the chip where the flow sharply redirects, and the boundary layer zone covering the remaining surface. A geometric function is derived to describe the position and extent of each of these areas. In addition, the mean convective heat transfer coefficient can be determined for each of the regions using a Nusselt correlation based on the flow parameters. These correlations allow for simplified determination of the local convective heat transfer coefficient on the tool. %F PUB:(DE-HGF)32 %9 Dataset %R 10.18154/RWTH-2024-07601 %U https://publications.rwth-aachen.de/record/990955