In this paper, we investigate the real gas flows which occur within organic Rankine cycle (ORC) turbines. A new method for the design of nozzles operating with dense gases is discussed, and applied to the case of a high pressure ratio turbine vane. A Navier–Stokes method, which uses equations of states for a variety of working fluids typical of ORC turbines, is then applied to the turbine vanes to determine the vane performance. The results suggest that the choice of working fluid has a significant influence on the turbine efficiency.
The Role of Dense Gas Dynamics on Organic Rankine Cycle Turbine Performance
University of Southampton,
Freisinger Landstr., 50 Garching n.,
Contributed by the Turbomachinery Committee of ASME for publication in the Journal of Engineering for Gas Turbines and Power. Manuscript received July 1, 2013; final manuscript received July 2, 2013; published online September 6, 2013. Editor: David Wisler.
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Wheeler, A. P. S., and Ong, J. (September 6, 2013). "The Role of Dense Gas Dynamics on Organic Rankine Cycle Turbine Performance." ASME. J. Eng. Gas Turbines Power. October 2013; 135(10): 102603. https://doi.org/10.1115/1.4024963
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