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12:00
20 mins
AN ASSESSMENT OF WORKING-FLUID MIXTURES IN ORGANIC RANKINE CYCLES FOR WASTE-HEAT RECOVERY USING SAFT-VR
Oyeniyi Oyewunmi, Aly Taleb, Andrew Haslam, Christos Markides
Session: Working fluids I
Session starts: Tuesday 08 October, 11:20
Presentation starts: 12:00
Room: Willem Burger Zaal
Oyeniyi Oyewunmi (Imperial College London)
Aly Taleb (Imperial College London)
Andrew Haslam (Imperial College London)
Christos Markides (Imperial College London)
Abstract:
Minimizing exergetic loss associated with irreversibility in the working fluid evaporator is significant in the effort to improve the efficiency of organic Rankine cycles. Mixtures of working fluids are known to undergo non-isothermal phase change, providing a better thermal match with the heat source. This work presents results of computer simulations of an organic Rankine cycle using a decane-butane binary fluid mixture as the working fluid. Thermodynamic properties for the fluid mixture are generated using the SAFT-VR Mie equation of state approach. Significant performance improvements and cost reductions are reported compared to a single-component reference working fluid.