feature-parameter-criterion for predicting lean blowout limit of gas turbine combustor and bluff body burner

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ID: 168036
2013
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Abstract
Lean blowout (LBO) limit is one of the most important combustor parameters. A new method named Feature-Parameter-Criterion (FPC) for predicting LBO limit has been put forward in the present work. A computational fluid dynamics (CFD) software FLUENT has been used to simulate the process of LBO of gas turbine combustor and bluff body burner. And “M” flame has been proposed as the portent for predicting lean blowout of gas turbine combustor. Effects of flow velocity, air temperature, droplet averaged-diameter, and flow distribution between swirlers and primary holes on the LBO limit of gas turbine combustor have been researched by use of Feature-Parameter-Criterion in this paper. The effects of fuel air mixture velocity and different structures on bluff body LBO limit have also been analyzed in the present work by use of FPC. The results show that the simulation of LBO limit based on FPC is in good agreement with the experiment data (the errors are about 5%) and this method is reliable for engineering applications.
Reference Key
zheng2013mathematicalfeature-parameter-criterion Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Hongtao Zheng;Zhibo Zhang;Yajun Li;Zhiming Li
Journal journal of power sources
Year 2013
DOI
10.1155/2013/939234
URL
http://dx.doi.org/10.1155/2013/939234
Keywords
civil engineering (general)mathematics engineering (general)

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