NASA Technical Reports Server NTRS 20150023047: Development of Advanced Low Emission Injectors and High-Bandwidth Fuel Flow Modulation ValvesReport as inadecuate



 NASA Technical Reports Server NTRS 20150023047: Development of Advanced Low Emission Injectors and High-Bandwidth Fuel Flow Modulation Valves


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Parker Hannifin Corporation developed the 3-Zone fuel nozzle for NASAs Environmentally Responsible Aviation Program to meet NASAs target of 75 LTO NOx reduction from CAEP6 regulation. The nozzle concept was envisioned as a drop-in replacement for currently used fuel nozzle stem, and is built up from laminates to provide energetic mixing suitable for lean direct injection mode at high combustor pressure. A high frequency fuel valve was also developed to provide fuel modulation for the pilot injector. Final testing result shows the LTO NOx level falling just shy of NASAs goal at 31.



Author: NASA Technical Reports Server (NTRS)

Source: https://archive.org/







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