Parametric analysis of a semi-closed-loop linear joule engine generator using argon and oxy-hydrogen combustion

The paper introduces a novel semi-closed-loop Linear Joule Engine Generator (LJEG) using argon as the major working fluid and oxy-hydrogen combustion for heat addition. linear compressor expander in LJEG apply double-acting piston configuration to maximise power density, an oxy-hydrogen-argon reactor has ultra-high transfer efficiency emits ultimate zero carbon, NOx, particulate emissions. proposed is developed from previous lab-scale prototype air fluid. A comparison study demonstrates advantages of new conceptual design; substituting with resulted increased system speed, decreased indicated power, over 60% improvement. further parametric analysis was conducted validated model reveal influence different intake exhaust valve timing, compressor/expander diameter ratio, electric load, operating temperature. shows that decreases extended duration, but it could be improved extension duration. Power output increases longer however, its relationship ratio dependent on adopted peak 4.7 kW achieved at temperature 1073 K. System optimal performance also highly timings. Piston stroke length adversely affected by increase Peak efficiencies 40% when 0.70 0.93, respectively.