Aerospace applications of luminescent paint Part one: Pressure measurement

J R Kingsley-Rowe, G D Lock, A G Davies

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Luminescent paints allow non-intrusive measurement of pressure and temperature at high spatial resolution without prior knowledge of the flow-field. Experiments have demonstrated that a 'standard' luminescent paint technique. developed by BAE Systems, can simultaneously measure steady pressure and temperature. This is achieved through knowledge of the paint phosphorescence lifetime rather than the absolute intensity. which increases the measurement accuracy. In addition, a new 'fast' paint has been calibrated at the University of Bath for the measurement of unsteady pressure using a variable frequency pulsing air jet. Pressure measurements were made with both paints in the wake of various excrescences, sized to produce vortex shedding in the frequency range 500-4,200Hz, in a transonic tunnel. The extent of the wakes was determined from a flow visualisation technique. Time-averaged measurements, using both luminescent paints, and transient measurements of the unsteady pressure field, made with the fast paint, were compared with transducer data. For all cases the luminescent paint data compared well with the conventional measurements and the Strouhal number agreed well with data from the literature. The use of luminescent paint for the simultaneous measurement of pressure and temperature over a NACA 0012 aerofoil, as well as the quantification of convective heat transfer is examined in Part 2.
Original languageEnglish
Pages (from-to)637-648
Number of pages12
JournalAeronautical Journal
Volume107
Issue number1077
Publication statusPublished - 2003

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Aerospace applications
Pressure measurement
Paint
Phosphorescence
Strouhal number
Vortex shedding
Flow visualization
Time measurement
Airfoils
Temperature
Transducers
Flow fields
Tunnels
Heat transfer

Cite this

Aerospace applications of luminescent paint Part one: Pressure measurement. / Kingsley-Rowe, J R; Lock, G D; Davies, A G.

In: Aeronautical Journal, Vol. 107, No. 1077, 2003, p. 637-648.

Research output: Contribution to journalArticle

Kingsley-Rowe, JR, Lock, GD & Davies, AG 2003, 'Aerospace applications of luminescent paint Part one: Pressure measurement', Aeronautical Journal, vol. 107, no. 1077, pp. 637-648.
Kingsley-Rowe, J R ; Lock, G D ; Davies, A G. / Aerospace applications of luminescent paint Part one: Pressure measurement. In: Aeronautical Journal. 2003 ; Vol. 107, No. 1077. pp. 637-648.
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