said heat engine comprises {TAIL ~ a turbine generator} having a compressor section for receiving said oxidant supply gas and performing said compressor cycle and an expansion section for receiving said further heated compressed oxidant supply gas and performing {HEAD ~ said expansion cycle} 
said heat engine comprises { TAIL ~ a turbine generator } having a compressor section for receiving said oxidant supply gas and performing said compressor cycle and an expansion section for receiving said further heated compressed oxidant supply gas and performing { HEAD ~ said expansion cycle }
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