Numerical Modeling of NOx Formation in Turbulent Flames Using a Kinetic Post-processing Technique

Autor:	Alberto Cuoci, Alessio Frassoldati, Alessandro Stagni, Eliseo Ranzi, Tiziano Faravelli, Guido Buzzi-Ferraris
Rok vydání:	2013
Předmět:	Work (thermodynamics) Chemistry business.industry General Chemical Engineering Energy Engineering and Power Technology Numerical modeling Computational fluid dynamics Kinetic energy Combustion Fuel Technology Thermal Direct coupling Process engineering business NOx
Zdroj:	Energy & Fuels. 27:1104-1122
ISSN:	1520-5029 0887-0624
DOI:	10.1021/ef3016987
Popis:	The numerical prediction of formation of nitrogen oxides (NOx) in combustion devices (domestic and industrial burners and furnaces, internal combustion engines, etc.) is gaining rising importance because of strong limitations imposed by the legislation. Such predictions usually require the adoption of detailed kinetic mechanisms, because the numerical modeling of NOx can be accurate only considering all of the relevant chemical paths (thermal, prompt, N2O, fuel NOx, NNH, etc.). Despite the continuous increase of computational resources, the direct coupling of detailed kinetics and complex computational fluid dynamics (CFD) is very expensive in terms of central processing unit (CPU) time, and alternative approaches must be taken into account. In this work, the prediction of NOx in combustion systems is performed using a kinetic post-processing technique, which is based on the assumption that pollutants, such as NOx, only marginally affect the main combustion process (because they are usually present in ver...
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfe85e4e300a766ff7462ef78693ae43 https://doi.org/10.1021/ef3016987 Zobrazit plný text záznamu