Journal
APPLIED THERMAL ENGINEERING
Volume 54, Issue 1, Pages 131-139Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2013.01.025
Keywords
Flighted rotary drum; Cascading dryer; Asphalt plant; Hot-mix asphalt; Materials processing
Funding
- Ermont-Fayat Group
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Heat transport characterisation inside rotary drum dryer has a considerable importance linked to many industrial applications. The present paper deals with the heat transfer analysis from experimental apparatus installed in a large-scale rotary drum reactor applied to the asphalt materials production. The equipment including in-situ thermal probes and external visualization by mean of infrared thermography gives rise to the longitudinal evaluation of inner and external temperatures. The assessment of the heat transfer coefficients by an inverse methodology is resolved in order to accomplish a fin analysis of the convective mechanism inside baffled (or flights) rotary drum. The results are discussed and compared with major results of the literature. (C) 2013 Elsevier Ltd. All rights reserved.
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