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Measurements of Local Instantaneous Convective Heat Transfer in a Pipe - Single and Two-phase Flow
Published on: April 30, 2018
Heat flux sensors for infrared thermography in convective heat transfer
Giovanni Maria Carlomagno1, Luigi de Luca2, Gennaro Cardone3
1Department of Industrial Engineering, University of Naples Federico II, Piazzale Tecchio 80, Napoli 80125, Italy. carmagno@unina.it.
Abstract:
This paper reviews the most dependable heat flux sensors, which can be used with InfraRed (IR) thermography to measure convective heat transfer coefficient distributions, and some of their applications performed by the authors' research group at the University of Naples Federico II. After recalling the basic principles that make IR thermography work, the various heat flux sensors to be used with it are presented and discussed, describing their capability to investigate complex thermo-fluid-dynamic flows. Several applications to streams, which range from natural convection to hypersonic flows, are also described.
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