Daniele Contini, Marco Ruggiero, Giampaolo Manfrida
{"title":"Turbulent flow field measurements in a model gas turbine combustion chamber","authors":"Daniele Contini, Marco Ruggiero, Giampaolo Manfrida","doi":"10.1016/S0035-3159(98)80009-3","DOIUrl":null,"url":null,"abstract":"<div><p>The results of the investigation of the reactive flow in a scaled-down (≅1:3) model of a gas turbine combustion chamber are presented. The lean-premix combustion chamber model was tested at atmospheric pressure; measurements in the reactive flow were taken by using a two-channel fibre-optic laser Doppler anemometer with Al<sub>2</sub>O<sub>3</sub> seeding on the air flow. Measurements cover a wide region of the axial-symmetric combustion chamber at points characterised by different seeding conditions and data rates, including the flame development and recirculating zones. This work presents a detailed analysis of the fluctuating components of flow velocity; mean flow properties are presented as a prerequisite. Frequency and time domain characteristics of turbulence including power density spectra, autocorrelation coefficients and time integral scales are reported and discussed, and a physical description of the reacting turbulent flow field is attempted.</p></div>","PeriodicalId":101133,"journal":{"name":"Revue Générale de Thermique","volume":"37 10","pages":"Pages 843-852"},"PeriodicalIF":0.0000,"publicationDate":"1998-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0035-3159(98)80009-3","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Revue Générale de Thermique","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0035315998800093","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The results of the investigation of the reactive flow in a scaled-down (≅1:3) model of a gas turbine combustion chamber are presented. The lean-premix combustion chamber model was tested at atmospheric pressure; measurements in the reactive flow were taken by using a two-channel fibre-optic laser Doppler anemometer with Al2O3 seeding on the air flow. Measurements cover a wide region of the axial-symmetric combustion chamber at points characterised by different seeding conditions and data rates, including the flame development and recirculating zones. This work presents a detailed analysis of the fluctuating components of flow velocity; mean flow properties are presented as a prerequisite. Frequency and time domain characteristics of turbulence including power density spectra, autocorrelation coefficients and time integral scales are reported and discussed, and a physical description of the reacting turbulent flow field is attempted.
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