Experimental study of a low-temperature micro-scale organic Rankine cycle system with the multi-stage radial-flow turbine for domestic applications

•The improvement of the microturbine’s blade feeding system is presented.•Research results of the radial microturbine that worked in the ORC are presented.•The 2.5 kW microturbine achieved the maximum isentropic efficiency of 71%•The impact of the microturbine improvement on the ORC system’s efficie...

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