Investigations of the pressure fields on the oscillating wings by Pressure Sensitive Paint

Fonov, Sergey; Engler, Rolf; Klein, Chr.; Mihailov, S. V.; Mosharov, V. E.; Kulesh, V. P.; Radchenko, Vladimir; Schairer, Edward T.

doi:10.1007/978-3-663-10901-3_20

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“…The technique is capable of pressure resolution of 30 -50 Pa, in a pressure range of 103 -106 Pa and a temperature range of 100 -400 K. PSP is an absolute oxygen pressure gauge with a pressure sensitivity of 10-30/oPa and a temperature sensitivity of 10 -500 Pa/K [1]. The spatial resolution of this technique is limited by the thickness of the paint which can range from 10 to 1000 ptm, with a time resolution of 1 -2 ms for polymeric binders [2]. The limited pressure resolution and non-zero temperature sensitivity are the key factors affecting measurement accuracy in flow velocities below 50 m/s.…”

Section: Introductionmentioning

confidence: 99%

Identification of Pressure Measurement Systems based on Surface Stress Sensitive Films and Pressure Sensitive Paints

Fonov

Goss²,

Jones³

et al.

ICIASF 2005 RecordInternational Congress onInstrumentation in AerospaceSimulation Facilities

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This paper describes the methodology for extracting applied surface loads from Surface Stress Sensitive Films (S3F). Experimentally measured 3D deformations of an S3F sensor in combination with Finite Element Analysis (FEA) modeled response functions are utilized to deconvolve the applied normal (pressure) and tangential (shear) loads. Comparisons with pressure sensitive paint (PSP) and pressure taps results obtained under the same experimental conditions are used to fine tune the FEA response functions which leads to improved S3F measurement accuracy.

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Section: Introductionmentioning

confidence: 99%