Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence

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Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence. / Borggren, Jesper; Weng, Wubin; Aldén, Marcus; Li, Zongshan.

I: Applied Spectroscopy, Vol. 72, Nr. 6, 2018, s. 964-970.

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskrift

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T1 - Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence

AU - Borggren, Jesper

AU - Weng, Wubin

AU - Aldén, Marcus

AU - Li, Zongshan

PY - 2018

Y1 - 2018

N2 - Diode laser-based two-line atomic fluorescence (TLAF) thermometry applied to flames of combusting wood pellets is demonstrated. The temperature above burning wood pellets placed in the hot product gas of gallium seeded laminar flames is measured. The calibration-free technique provides spatially resolved temperatures in one dimension with sufficient temporal resolution to resolve all combustion stages of a pellet, even in highly sooting flames. The temperature above a burning pellet was found to decrease due to the release of volatile gases and the accuracy and precision of the technique is assessed at flame temperatures.

AB - Diode laser-based two-line atomic fluorescence (TLAF) thermometry applied to flames of combusting wood pellets is demonstrated. The temperature above burning wood pellets placed in the hot product gas of gallium seeded laminar flames is measured. The calibration-free technique provides spatially resolved temperatures in one dimension with sufficient temporal resolution to resolve all combustion stages of a pellet, even in highly sooting flames. The temperature above a burning pellet was found to decrease due to the release of volatile gases and the accuracy and precision of the technique is assessed at flame temperatures.

KW - biomass combustion

KW - diode lasers

KW - thermometry

KW - Two-line atomic fluorescence

UR - http://www.scopus.com/inward/record.url?scp=85044076057&partnerID=8YFLogxK

U2 - 10.1177/0003702817746996

DO - 10.1177/0003702817746996

M3 - Article

VL - 72

SP - 964

EP - 970

JO - Applied Spectroscopy

JF - Applied Spectroscopy

SN - 1943-3530

IS - 6

ER -