Abstract
Due to the vast number of potential working fluids incorporated within heat recovery cycles, there is a degree of uncertainty around the aerodynamic design and performance of the required turbomachinery. This paper aims to explore the aerodynamic performance of transonic turbines in a generic manner so that the accurate prediction of turbine performance can be made for a wide variety of working fluids. Within this study, a thermodynamic approach to model a generic working fluid is presented based on the Peng-Robinson equation of state. This model is used in combination with Computational Fluid Dynamics to complete a systematic study into how various fluid parameters impact turbine aerodynamic performance. Therefore, this work presents a step towards a turbine loss model which is applicable to any transonic vapour turbine.
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Acknowledgments
This work was supported by the EPSRC (EP/L027437/1) and computational resources were provided by EPSRC Tier-2 capital grant EP/P020259/1. The authors would like to thank the reviewers for their insightful comments and valuable feedback.
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Otter, J.J., Baumgärtner, D., Wheeler, A.P.S. (2021). The Development of a Generic Working Fluid Approach for the Determination of Transonic Turbine Loss. In: Pini, M., De Servi, C., Spinelli, A., di Mare, F., Guardone, A. (eds) Proceedings of the 3rd International Seminar on Non-Ideal Compressible Fluid Dynamics for Propulsion and Power. NICFD 2020. ERCOFTAC Series, vol 28. Springer, Cham. https://doi.org/10.1007/978-3-030-69306-0_13
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DOI: https://doi.org/10.1007/978-3-030-69306-0_13
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