1results about How to "Reduce thrust loss" patented technology

The invention discloses a liquid ammonia and aviation kerosene dual-fuel hybrid turbofan engine combined with a fuel cell for power generation, which belongs to the technical field of aero-engines and comprises a traditional turbofan core machine, a liquid ammonia fuel subsystem, an aviation kerosene fuel subsystem and a fuel cell power supply subsystem, and the liquid ammonia fuel subsystem, the aviation kerosene fuel subsystem and the fuel cell power supply subsystem are integrated. Liquid ammonia is conveyed to the liquid ammonia preheater through the fuel pump, absorbs heat of air from an outlet of the low-pressure compressor and is vaporized, and cooling of air at an inlet of the high-pressure compressor is achieved; vaporized ammonia gas enters an ammonia gas decomposition hydrogen production device which annularly sleeves the outer wall of the exhaust nozzle, and is catalytically decomposed into hydrogen gas by utilizing waste heat of the exhaust nozzle; high-temperature mixed gas generated by decomposition enters an aviation fuel preheater for preheating aviation fuel and then is conveyed to an anode of the proton exchange membrane fuel cell; and meanwhile, part of the air cooled by the liquid ammonia preheater is conveyed to the cathode of the fuel cell through a pressure reducing valve. The thrust loss caused by extracting power from the main shaft of the engine is avoided, and the energy comprehensive utilization efficiency of the whole engine is remarkably improved.