Payne, Daniel and Kanjirakkad, Vasudevan (2016) Measurement of tip clearances using capacitive proximity sensors in turbine rotor stator cavities. In: XXIII Biennial Symposium on Measuring Techniques in Turbomachinery, 1 - 2 September 2016, Stuttgart, Germany.

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Abstract

Experimental displacement measurements are to be made using in-house designed and manufactured capacitive proximity sensors inside the Sussex Rim Seal, RiSe, Rig. Currently prototype sensors have been tested to understand the significance of measuring clearances when a sensor is responsive to both radial and axial movement of a component. The results presented here show how the signal from a sensor designed to measure displacement of a parallel target, changes as the orthogonal distance to the target is also altered. A two-sensor (orthogonal axis) approach has been adopted, calibrated and tested in a mock-up geometry. The measurement accuracy has been shown to have increased to within 0.05mm.

Item Type:	Conference or Workshop Item (Paper)
Keywords:	Tip clearance, Turbine, Sensor
Schools and Departments:	School of Engineering and Informatics > Engineering and Design
Research Centres and Groups:	Thermo-Fluid Mechanics Research Centre
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ0266 Turbines. Turbomachines (General)
Related URLs:	http://meastech.propulsion.gr/index.php/...
Depositing User:	Vasudevan Kanjirakkad
Date Deposited:	22 Sep 2016 09:55
Last Modified:	20 Dec 2017 10:33
URI:	http://srodev.sussex.ac.uk/id/eprint/63486

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