TURBINE ENGINE WITH INVERSE BRAYTON CYCLE

An engine system (200) includes a turbine engine (202) including a compressor section (206), a combustor section (208) having a burner, a turbine section (210), and a nozzle (212) in an open-loop configuration. The engine system (200) also includes a bottom-cycle apparatus (204) and an exhaust heat exchanger (228) downstream of the turbine section (210) of the turbine engine (202) configured to reject heat from the turbine engine (202) to the bottoming-cycle apparatus (204) and create a cooled turbine exhaust (226) in the turbine engine (202). The engine system (200) further includes an exhaust compressor (214) arranged downstream of the exhaust heat exchanger (228) and upstream of the nozzle (212) of the turbine engine (202) configured to compress the cooled turbine exhaust stream (226) and increase a pressure of the cooled turbine exhaust stream (226) prior to exiting the nozzle (212) of the turbine engine (202).