Heat-flux measurement using fibre-Bragg-grating Fabry-Pérot sensors

W N MacPherson; J M Kilpatrick; J S Barton; J D C Jones; Lin Zhang; I Bennion

doi:10.1088/0957-0233/10/12/326

Heat-flux measurement using fibre-Bragg-grating Fabry-Pérot sensors

W N MacPherson, J M Kilpatrick, J S Barton, J D C Jones, Lin Zhang, I Bennion

Aston Institute of Photonic Technologies (AiPT)

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

We describe a fibre Fabry-Pérot heat-transfer sensor that is capable of performing the high-spatial-resolution measurements required in turbomachinery research. The all-fibre cavity operates as a calorimeter embedded perpendicular to the test surface. The cavity incorporates a Bragg grating as the internal reflector, producing a mechanically robust sensor suitable for aerodynamic measurements. We present experimental results from an impinging flow rig, comparing the optical sensor with a thin-film resistance gauge subjected to a step increase in heat flux of 30 kW m^-2.

Original language	English
Pages (from-to)	1300-1304
Number of pages	5
Journal	Measurement Science and Technology
Volume	10
Issue number	12
DOIs	https://doi.org/10.1088/0957-0233/10/12/326
Publication status	Published - Dec 1999

Keywords

Bragg grating
Fabry-Pérot interferometer
heat-flux sensor
optical fibre
t\urbomachinery.

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10.1088/0957-0233/10/12/326

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title = "Heat-flux measurement using fibre-Bragg-grating Fabry-P{\'e}rot sensors",

abstract = "We describe a fibre Fabry-P{\'e}rot heat-transfer sensor that is capable of performing the high-spatial-resolution measurements required in turbomachinery research. The all-fibre cavity operates as a calorimeter embedded perpendicular to the test surface. The cavity incorporates a Bragg grating as the internal reflector, producing a mechanically robust sensor suitable for aerodynamic measurements. We present experimental results from an impinging flow rig, comparing the optical sensor with a thin-film resistance gauge subjected to a step increase in heat flux of 30 kW m-2.",

keywords = "Bragg grating , Fabry-P{\'e}rot interferometer , heat-flux sensor , optical fibre , t\urbomachinery.",

author = "MacPherson, {W N} and Kilpatrick, {J M} and Barton, {J S} and Jones, {J D C} and Lin Zhang and I Bennion",

year = "1999",

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AU - MacPherson, W N

AU - Kilpatrick, J M

AU - Barton, J S

AU - Jones, J D C

AU - Zhang, Lin

AU - Bennion, I

PY - 1999/12

Y1 - 1999/12

N2 - We describe a fibre Fabry-Pérot heat-transfer sensor that is capable of performing the high-spatial-resolution measurements required in turbomachinery research. The all-fibre cavity operates as a calorimeter embedded perpendicular to the test surface. The cavity incorporates a Bragg grating as the internal reflector, producing a mechanically robust sensor suitable for aerodynamic measurements. We present experimental results from an impinging flow rig, comparing the optical sensor with a thin-film resistance gauge subjected to a step increase in heat flux of 30 kW m-2.

AB - We describe a fibre Fabry-Pérot heat-transfer sensor that is capable of performing the high-spatial-resolution measurements required in turbomachinery research. The all-fibre cavity operates as a calorimeter embedded perpendicular to the test surface. The cavity incorporates a Bragg grating as the internal reflector, producing a mechanically robust sensor suitable for aerodynamic measurements. We present experimental results from an impinging flow rig, comparing the optical sensor with a thin-film resistance gauge subjected to a step increase in heat flux of 30 kW m-2.

KW - Bragg grating

KW - Fabry-Pérot interferometer

KW - heat-flux sensor

KW - optical fibre

KW - t\urbomachinery.

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EP - 1304

JO - Measurement Science and Technology

JF - Measurement Science and Technology

IS - 12

ER -

Heat-flux measurement using fibre-Bragg-grating Fabry-Pérot sensors

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Keywords

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