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The accuracy of computational fluid dynamics (CFD) for the prediction of flow and heat transfer through a comparison of CFD results of three dimension sector models with experimental measurements in a direct transfer preswirl system is investigated. Several turbulence models are tested in two CFD codes. Reasonable quantitative agreement with experimental data for static pressure, total pressure and...
The heat transfer of the kerosene (aviation kerosene) under supercritical pressure was investigated through experiment. According to the experimental results, the heat transfer curve of the kerosene under supercritical pressure was plotted. When the temperature goes from low to high, the heat transfer of the kerosene under supercritical pressure goes through the following four periods: (1) the normal...
Numerical simulation was carried out to investigate the flow field and film cooling characteristics of a single cylindrical hole with crossflow and rib turbulators in the coolant supply channel. Three-dimension N-S equations were solved with unstructured mesh and realizable k-?? model. The effect of three kinds of rib angles (60??, 90??and 120??) on the flow field and film cooling effectiveness is...
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