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15 - General Engineering

University of Sussex

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Article title

Passive shroud cooling concepts for HP turbines: experimental investigations

Type

D - Journal article

DOI

10.1115/1.2749300

Title of journal

Journal of Turbomachinery

Article number

Volume number

130

Issue number

First page of article

011017

ISSN of journal

0889-504X

Year of publication

2008

URL

http://dx.doi.org/10.1115/1.2749300

Number of additional authors

Additional information

Provided for a turbine thermal designer, a new experimentally proven method for cooling rotor-shrouds. Utilising existing coolant air an improved coolant distribution is achieved.

The theoretical benefit is equivalent to a 30% reduction in shroud cooling air, or a shroud temperature reduction of up to 100K for the same amount of coolant used in conventional designs. The designer/manufacturer is able to take full advantage of the concept without introducing major and/or costly changes to adjacent components.

Contact details of the beneficiaries: Rolls-Royce PLC: Dr. Erik Janke, Tel: +49-33708-6-3609, Email: erik.janke2@rolls-royce.com, Siemens: Tony Davis, Tel: 01522 584230, Email: davis.anthony@siemens.com.

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