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DEVELOPMENT OF A GAS TURBINE PERFORMANCE CODE AND ITS APPLICATION TO PRELIMINARY ENGINE DESIGN

Becker, Richard-Gregor and Wolters, Florian and Nauroz, Mobin and Otten, Tom (2011) DEVELOPMENT OF A GAS TURBINE PERFORMANCE CODE AND ITS APPLICATION TO PRELIMINARY ENGINE DESIGN. DLRK 2011, 27.-29. Sept, Bremen, Deutschland.

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Abstract

The present paper describes the design and application of the new DLR gas turbine simulation environment GTlab which is an object-oriented performance synthesis program written in C++ and Python. Its modular layout is designed to be extensible and flexible in use and can seamlessly be integrated into other simulation and optimization environments. The new performance code provides means for steady state and transient performance simulation of arbitrary engine concepts and is used in DLRs design and assessment of future aero engines. The purpose of this paper is twofold: The first part describes the object-oriented framework and software design in general as well as more detailed aspects of the modelling libraries representing the physical behaviour of engine components. In part two GTlab is applied to a preliminary design process. Subject of the exemplary investigation is a two shaft military aero engine designed to operate in a high subsonic unmanned combat aerial vehicle (UCAV). First the GTlab model setup for such an engine will be explained. Following is the presentation of a mission point based cycle optimization. Finally the outcomes of a single preliminary thermodynamic design are presented.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:DEVELOPMENT OF A GAS TURBINE PERFORMANCE CODE AND ITS APPLICATION TO PRELIMINARY ENGINE DESIGN
Authors:
AuthorsInstitution or Email of Authors
Becker, Richard-GregorAT-TW
Wolters, FlorianAT-TW
Nauroz, MobinAT-TW
Otten, TomAT-TW
Date:27 September 2011
Refereed publication:Yes
In ISI Web of Science:No
Status:Published
Keywords:Gas Turbine Performance Simulation, Preliminary Engine Design
Event Title:DLRK 2011
Event Location:Bremen, Deutschland
Event Type:international Conference, national Conference
Event Dates:27.-29. Sept
Organizer:DGLR
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Propulsion Systems
DLR - Research area:Aeronautics
DLR - Program:L ER - Engine Research
DLR - Research theme (Project):L - Virtual Engine and Validation Methods
Location: Köln-Porz
Institutes and Institutions:Institute of Propulsion Technology > Engine
Deposited By: Richard-Gregor Becker
Deposited On:02 Jan 2012 10:54
Last Modified:02 Jul 2013 18:08

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