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Sensitivity and applications of a new method for the simultaneous measurement of convective and radiative heat flux in underhood applications—toward multiple versions

Khaled, Mahmoud, Al-Shaer, A., Ramadan, Mohamad, Elmarakbi, Ahmed, Harambat, Fabien and Peerhossaini, Hassan (2014) Sensitivity and applications of a new method for the simultaneous measurement of convective and radiative heat flux in underhood applications—toward multiple versions. Measurement Science and Technology, 25 (3). pp. 1-12. ISSN 0957-0233

Item Type: Article

Abstract

Convective and radiative heat fluxes enter simultaneously into most thermal engineering applications, especially in the vehicle underhood. However, separate measurements of these fluxes are needed for understanding and analyzing underhood aerothermal phenomena. In this context, a new experimental technique has been proposed (Khaled et al 2010 Meas. Sci. Technol. 21 025903) that allows the simultaneous measurement of convective and radiative heat fluxes. The technique uses a pair of fluxmeters with different radiative properties: the two fluxmeters measure the same convective flux but different radiative fluxes proportional to the fluxmeters' emissivities. This permits the separate calculation of the convective and radiative fluxes. This paper presents a sensitivity and applicability analysis of the new technique, taking into account the effects of a number of parameters such as emissivities, the precision of emissivity estimation and the difference in convective heat fluxes due to fluxmeter position. Also, new applications of this novel technique are proposed as an alternative when the initial version becomes inaccurate.

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Depositing User: Hannah Dodd

Identifiers

Item ID: 5215
Identification Number: https://doi.org/10.1088/0957-0233/25/3/035901
ISSN: 0957-0233
URI: http://sure.sunderland.ac.uk/id/eprint/5215
Official URL: http://iopscience.iop.org/0957-0233

Users with ORCIDS

ORCID for Ahmed Elmarakbi: ORCID iD orcid.org/0000-0002-7479-3870

Catalogue record

Date Deposited: 22 Dec 2014 11:32
Last Modified: 18 Dec 2019 15:37

Contributors

Author: Ahmed Elmarakbi ORCID iD
Author: Mahmoud Khaled
Author: A. Al-Shaer
Author: Mohamad Ramadan
Author: Fabien Harambat
Author: Hassan Peerhossaini

University Divisions

Faculty of Technology
Faculty of Technology > School of Engineering

Subjects

Engineering > Automotive Engineering
Engineering

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