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Accueil > Publications > Archives 2004-2010 > 2006

Processing of temperature field in chemical microreactors with infrared thermography

Pradere C., Joanicot M., Batsale J.C., Toutain J., Gourdon C. — QIRT Journal Vol 3 (2006) p 117

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This work is devoted to the first analysis of temperature fields related to chemical
microfluidic reactors. The heat transport around and inside a microchannel is both
convective and diffusive with spatial distribution of source terms and strong
conductive effects in the channel surrounding. With simplified assumptions, it is
shown that Infrared thermography and processing methods of the temperature
frames allow to estimate important fields for the chemical engineers, such as the
heating source distribution of the chemical reaction along the channel. A validation
experiment of a temperature field processing method is proposed with Joule effect as
calibrated source term and non reactive fluids. From such previous experiment, a
Peclet field is estimated and used in a further step in order to study an acid-base
flow configuration.