CARS temperature measurement in a Liquid Kerosene fueled Gas Turbine Combustor Sector Rigs(Measurement, Temperature)

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概要

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• The effect of swirler/prefilmer modules on spatially and temporally resolved gas temperature were experimentally investigated for better understanding of flame stability and flow structure. Temperature measurements were carried out by using coherent anti-Stokes Raman spectroscopy(CARS) at several positions within the aero-engine combustor sector rig burning standard kerosene fuel. Research rig representing a 36° sector from a full annular combustor was installed and run at simulated ground idle conditions, showing features of flow mixing within the burning rig. Inlet air was heated and compressed up to 530K and 3.2bar. Air flow rate and overall A/F ratio were 1.1kg/s and 90 respectively. Experiments were carried out at three conditions to see the individual effect of swirl direction and prefilmer. Temperature PDFs were obtained from 500-single shot spectra to investigate the temperature fluctuations in the combustor. Results revealed that a strong reverse flow zone is formed by the lean fuel module with radial swirler. And it also shows that swirl direction of fuel module significantly affects to the shape of recirculation zone, while the presence of prefilmer forms more uniform spray characteristics and pushes the recirculation zone in further downstream.

• 一般社団法人日本機械学会の論文
• 2004-08-02

著者

• LEE Jong

  School of Electrical Engineering, Seoul National University

• Lee Jong

  School Of Adv. Mat. Sci. & Eng. Sungkyunkwan Univ.

• Han Yeoung

  Korea Aerospace Research Institute

• Lee Dae

  Korea Aerospace Research Institute

• Jeon Chung

  School Of Mechanical Engineering Pusan National University

• YANG Soo

  Korea Atomic Energy Research Institute

• Hahn Jae

  School Of Mechanical Engineering Yonsei University

• Yang Soo

  Korea Aerospace Research Institute

• Park Chul

  Korea Research Institute of Standard and Science

• Chang Young

  School of Mechanical Engineering, Pusan National University

• Lee Jong

  School Of Mechanical Engineering Pusan National University

• Chang Young

  School Of Aerospace And Mechanical Engineering Hankuk Aviation University

• Chang Young

  School Of Mechanical Engineering Pusan National University

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