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15 - General Engineering

University of Sussex

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Article title

A disc to air heat flux error and uncertainty analysis applied to a turbomachinery test rig design

Type

D - Journal article

DOI

10.1243/09544062JMES1158

Title of journal

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Article number

Volume number

223

Issue number

First page of article

659

ISSN of journal

0954-4062

Year of publication

2009

URL

http://dx.doi.org/10.1243/09544062JMES1158

Number of additional authors

Additional information

Convective heat transfer knowledge is important to gas turbine engine designers; and used in simulations to determine surface temperature, stress and hence critical component life, including blades.

Guidelines reported here on uncertainties in heat transfer obtained from surface temperature measurements conclude a significant (i.e. 60%) uncertainty in heat flux can occur from a ±0.8?C uncertainty in temperature.

This resulted in more stringent calibration (to ±0.2?C) of thermocouples on new test rigs enhancing the quality of data provided to Rolls-Royce. Funded by Rolls-Royce PLC the work attracted interest from manufacturers engaged on the EU Framework 6 project MAGPI. Contact: Timothy Scanlon, Email: timothy.scanlon@rolls-royce.com, Tel:01332246131.

Interdisciplinary

Cross-referral requested

Research group

K - Thermo-Fluid Mechanics Research Centre

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract