Nitric oxide yield from combustion of a low calorific gasification product gas: Numerical and experimental study

Anders Brink; Mikko Hupa; Esa Kurkela; Marjut Suomalainen

doi:10.1504/PCFD.2006.010030

Nitric oxide yield from combustion of a low calorific gasification product gas: Numerical and experimental study

Anders Brink, Mikko Hupa, Esa Kurkela, Marjut Suomalainen

Åbo Akademi University

Research output: Contribution to journal › Article › Scientific › peer-review

5 Citations (Scopus)

Abstract

The nitrogen oxide yield in a combustor burning an ammonia rich product gas from a bubbling bed gasifier has been investigated. The measurements showed a surprisingly small effect of the excess air in the combustor on the NO_x emissions. To understand the reason for this behaviour the nitrogen chemistry in the combustor has been studied using CFD combined with a detailed description of the fuel-N chemistry. With higher oxygen excess a NO_x yield of 22% is calculated compared to a measured NO_x yield of 21 %. In the case with lower oxygen excess the corresponding numbers are 20% and 18%, respectively.

Original language	English
Pages (from-to)	217-224
Number of pages	8
Journal	Progress in Computational Fluid Dynamics
Volume	6
Issue number	4-5
DOIs	https://doi.org/10.1504/PCFD.2006.010030
Publication status	Published - 14 Jul 2006
MoE publication type	A1 Journal article-refereed

Keywords

CFD modelling
Fuel-nitrogen conversion
Gasification gas combustion

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10.1504/PCFD.2006.010030

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abstract = "The nitrogen oxide yield in a combustor burning an ammonia rich product gas from a bubbling bed gasifier has been investigated. The measurements showed a surprisingly small effect of the excess air in the combustor on the NOx emissions. To understand the reason for this behaviour the nitrogen chemistry in the combustor has been studied using CFD combined with a detailed description of the fuel-N chemistry. With higher oxygen excess a NOx yield of 22% is calculated compared to a measured NOx yield of 21 %. In the case with lower oxygen excess the corresponding numbers are 20% and 18%, respectively.",

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AU - Kurkela, Esa

AU - Suomalainen, Marjut

PY - 2006/7/14

Y1 - 2006/7/14

N2 - The nitrogen oxide yield in a combustor burning an ammonia rich product gas from a bubbling bed gasifier has been investigated. The measurements showed a surprisingly small effect of the excess air in the combustor on the NOx emissions. To understand the reason for this behaviour the nitrogen chemistry in the combustor has been studied using CFD combined with a detailed description of the fuel-N chemistry. With higher oxygen excess a NOx yield of 22% is calculated compared to a measured NOx yield of 21 %. In the case with lower oxygen excess the corresponding numbers are 20% and 18%, respectively.

AB - The nitrogen oxide yield in a combustor burning an ammonia rich product gas from a bubbling bed gasifier has been investigated. The measurements showed a surprisingly small effect of the excess air in the combustor on the NOx emissions. To understand the reason for this behaviour the nitrogen chemistry in the combustor has been studied using CFD combined with a detailed description of the fuel-N chemistry. With higher oxygen excess a NOx yield of 22% is calculated compared to a measured NOx yield of 21 %. In the case with lower oxygen excess the corresponding numbers are 20% and 18%, respectively.

KW - CFD modelling

KW - Fuel-nitrogen conversion

KW - Gasification gas combustion

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JO - Progress in Computational Fluid Dynamics

JF - Progress in Computational Fluid Dynamics

IS - 4-5

ER -

Nitric oxide yield from combustion of a low calorific gasification product gas: Numerical and experimental study

Abstract

Keywords

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