| タイトル | The Effect of Air Preheat at Atmospheric Pressure on the Formation of NO(x) in the Quick-Mix Sections of an Axially Staged Combustor |
| 本文（外部サイト） | http://hdl.handle.net/2060/19990109093 |
| 著者（英） | Vardakas, M. A.; Samuelsen, G. S.; Leong, M. Y.; Holdeman, J. D.; Brouwer, J. |
| 著者所属（英） | NASA Glenn Research Center |
| 発行日 | 1999-09-01 |
| 言語 | eng |
| 内容記述 | The Rich-burn/Quick-mix/Lean-burn (RQL) combustor concept has been proposed to minimize the formation of nitrogen oxides (NO(x)) in gas turbine systems. The success of this combustor strategy is dependent upon the efficiency of the mixing section bridging the fuel-rich and fuel-lean stages. Note that although these results were obtained from an experiment designed to study an RQL mixer, the link between mixing and NOx signatures is considerably broader than this application, in that the need to understand this link exists in most advanced combustors. The experiment reported herein was designed to study the effects of inlet air temperature on NO(x) formation in a mixing section. The results indicate that NO(x) emission is increased for all preheated cases compared to non-preheated cases. When comparing the various mixing modules, the affect of jet penetration is important, as this determines where NO(x) concentrations peak, and affects overall NO(x) production. Although jet air comprises 70 percent of the total airflow, the impact that jet air preheat has on overall NO(x) emissions is small compared to preheating both main and jet air flow. |
| NASA分類 | Aircraft Propulsion and Power |
| レポートNO | E-11872
NASA/TM-1999-209431
NAS 1.15:209431 |
| 権利 | No Copyright |
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