Effects of evaporating temperature and internal heat exchanger on organic Rankine cycle

Research in the paper sets some initial conditions, boundary conditions, and hypotheses for a mathematic model. Three kinds of pure fluid and one mixture were selected as working fluids and their parametric changes were calculated under different evaporating temperatures. When organic Rankine cycle (ORC) is equipped with internal heat exchanger (IHE), its parameters varies while using different working fluids. Then results were compared to get conclusions.

► Parametric changes of mixture-ORC with evaporating temperature differing.
► Parameters of ORC equipped with IHE vary by using different working fluids.
► IHE have advantage in mixture-ORC.