| Citation: | XU Bin, ZHOU Fan, YANG Shichun, et al. Research on performance of variable geometry turbocharger for aero engine[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(8): 1523-1530. doi: 10.13700/j.bh.1001-5965.2016.0639(in Chinese)
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A variable geometry turbocharger method was used to adjust the power of the engine. It's regulation law and characteristics was studied. According to the turbine flow model, the influence of different nozzle ring opening degrees on the turbocharger was analyzed under the same operating conditions. In GT-POWER, a variable geometry turbocharger engine model was established, and the application of the variable geometry turbocharger engine to recover the power of the sea was verified by the simulation and analysis of different working conditions. The results show that the engine can significantly improve the engine altitude adjustable range, enhancing the ceiling of engine usage from 5 km to 6 km, which is of guiding significance for application of variable geometry turbocharger to restoring power and the regulation of nozzle ring opening degree.
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