D222 予混合噴霧流中の火炎伝ぱ挙動の定量的観察

• 赤松,史光

  阪大工

• 根来,正明

  三菱重工

• 津島,将司

  東工大

• 渕端,学

  近大理工

• 斎藤,寛泰

  阪大院

• 香月,正司

  阪大工

書誌事項

タイトル別名

• Quantitative Discussion of Flame Propagation Behavior in Premixed Spray

抄録

In order to observe the detailed structure of a premixed spray flame, magnified spray images were taken with a digital CCD camera, and light emissions in OH- and CH-bands, and Mie scattering from droplets were detected simultaneously by a light collection system with high spatial resolution, named "Multi-color Integrated Cassegrain Receiving Optics" (MICRO). Particle image velocimetry (PIV) technique was applied to those magnified images to measure instantaneous the two-dimensional velocity field. As a result, it was confirmed that preferential flame propagation was not caused by turbulent motion associated with vortices and eddies in the flowfield. Furthermore, one-dimensional structure of the propagating flame was presented to clarify interrelation between the combustion reaction region and the spray region. It was also confirmed that two peaks in the radical emission signals were underlying the direction of flame propagation. The location of those of the peaks located outside the spray boundary was consistent with the location where burning velocity obtained by PIV reached its maximum value of 4.0m/s.

収録刊行物

• 日本流体力学会年会講演論文集

  日本流体力学会年会講演論文集 2000 331-332, 2000-07-25

  日本流体力学会

キーワード

• Spray combustion
• Flame propagation
• Flame structure
• Burning velocity
• PIV
• Local chemiluminescence

詳細情報

• CRID: 1544231895052487936
• NII論文ID: 110003886712
• NII書誌ID: AA11567941
• Web Site: http://dl.ndl.go.jp/info:ndljp/pid/10920759
• 本文言語コード: ja
• データソース種別:
  • NDL-Digital
  • CiNii Articles