Electrostatic probe measurement in an industrial furnace for high-temperature air conditions

Takeshi Yokomori, Susumu Mochida, Tadahiro Araake, Kaoru Maruta

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Electrostatic probe measurements are reported that identify flame location, displacement speeds of reaction region, and other flame properties within an industrial furnace that is operated with high-temperature preheated air. The electrostatic probe has advantages over other methods when a furnace is operated with high-temperature air. The probe consisted of a fine detection wire and a supporting tube that played a role of the reference electrode. The reaction regions were found to be widely dispersed and weakened as they moved downstream. However, the ion-current signals still included many sharp peaks, perhaps associated with the thin reaction thickness, contrary to the flame structure expected from the high-temperature air combustion. It was also possible to estimate the displacement speeds of reaction region by using the cross-correlation method between two ion current records detected by parallel detection components. The results demonstrate that the electrostatic probe is useful to detect the structure and state of the reaction mode in industrial furnaces even in the presence of high-temperature air combustion.

Original languageEnglish
Pages (from-to)369-379
Number of pages11
JournalCombustion and Flame
Volume150
Issue number4
DOIs
Publication statusPublished - 2007 Sep
Externally publishedYes

Fingerprint

Industrial furnaces
high temperature air
electrostatic probes
furnaces
Electrostatics
Air
flames
ion currents
Ions
Temperature
Correlation methods
Furnaces
cross correlation
Wire
Electrodes
wire
tubes
electrodes
probes
estimates

Keywords

  • Electrostatic probe
  • High-temperature air combustion
  • Industrial furnace
  • Ion current

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Mechanical Engineering

Cite this

Electrostatic probe measurement in an industrial furnace for high-temperature air conditions. / Yokomori, Takeshi; Mochida, Susumu; Araake, Tadahiro; Maruta, Kaoru.

In: Combustion and Flame, Vol. 150, No. 4, 09.2007, p. 369-379.

Research output: Contribution to journalArticle

Yokomori, Takeshi ; Mochida, Susumu ; Araake, Tadahiro ; Maruta, Kaoru. / Electrostatic probe measurement in an industrial furnace for high-temperature air conditions. In: Combustion and Flame. 2007 ; Vol. 150, No. 4. pp. 369-379.
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