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Sunderland Repository records the research produced by the University of Sunderland including practice-based research and theses.

Mixing assessment by chemical probe

Habchi, Charbel, Lemenand, Thierry, Della Valle, Dominique, Khaled, Mahmoud, Elmarakbi, Ahmed and Peerhossaini, Hassan (2014) Mixing assessment by chemical probe. Journal of Industrial and Engineering Chemistry, 20 (4). pp. 1411-1420. ISSN 1226-086X

Item Type: Article


Quantification of micro-mixing is a fundamental issue in industrial chemical processes. Local mixing that is not “fast enough” compared with the reaction kinetics reduces the selectivity of the reaction. Micro-mixing can be characterized by chemical probe methods based on observation of a local chemical reaction that results from the competition between turbulent mixing at micro-scales and the reaction kinetics. However, real-world experimental conditions rarely comply with the grounding assumptions of this method. Starting from physical considerations, the present study aims to establish some guidelines for obtaining quantitative information from the chemical probe and for improving the accuracy of the method by an adaptive protocol. For the first aspect, an analytical approach is proposed to define the validity domain based on analysis of the turbulent time scales. For the second purpose, a novel experimental procedure is suggested that entails targeting the concentrations of the chemical species that can provide the optimal conditions for a relevant use of the chemical probe.

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Depositing User: Hannah Dodd


Item ID: 5213
Identification Number:
ISSN: 1226-086X
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ORCID for Ahmed Elmarakbi: ORCID iD

Catalogue record

Date Deposited: 13 Jan 2015 15:41
Last Modified: 18 Dec 2019 15:37


Author: Ahmed Elmarakbi ORCID iD
Author: Charbel Habchi
Author: Thierry Lemenand
Author: Dominique Della Valle
Author: Mahmoud Khaled
Author: Hassan Peerhossaini

University Divisions

Faculty of Technology
Faculty of Technology > School of Engineering


Engineering > Automotive Engineering

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