Abstract
In this research, aerodynamic design of a twin-entry radial-inflow turbine was done based on the direct method using a developed design code. The Garrett turbocharger was chosen for this purpose. At the first step, the 1D design, based on the impeller efficiency convergence, was performed. In 3D design, which is divided into preliminary and detail design, the profiles of the impeller and blade angle was carried out. Afterward the 3D shape of the blade can be achieved by combining these profiles. There is a good geometrical agreement between designed impeller and the laboratory’s existing impeller in both steps. In order to predict the performance of the turbine, the 1D analysis code was used. The code has been validated with the experimental tests on the turbocharger. Then the modeled turbine was compared with the available turbine. The results show an increment in efficiency and decrement in mass parameter.
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Vaezi, S., Irandoost Shahrestani, M., Ravosh, F. (2018). Aerodynamic Design of a Twin-Entry Radial-Inflow Turbine Impeller: A Numerical and Experimental Investigation. In: Nižetić, S., Papadopoulos, A. (eds) The Role of Exergy in Energy and the Environment. Green Energy and Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-89845-2_12
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