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Dynamic Systems Analysis for Turbine Based Aero Propulsion SystemsThe aircraft engine design process seeks to optimize the overall system-level performance, weight, and cost for a given concept. Steady-state simulations and data are used to identify trade-offs that should be balanced to optimize the system in a process known as systems analysis. These systems analysis simulations and data may not adequately capture the true performance trade-offs that exist during transient operation. Dynamic systems analysis provides the capability for assessing the dynamic tradeoffs at an earlier stage of the engine design process. The dynamic systems analysis concept, developed tools, and potential benefit are presented in this paper. To provide this capability, the Tool for Turbine Engine Closed-loop Transient Analysis (TTECTrA) was developed to provide the user with an estimate of the closed-loop performance (response time) and operability (high pressure compressor surge margin) for a given engine design and set of control design requirements. TTECTrA along with engine deterioration information, can be used to develop a more generic relationship between performance and operability that can impact the engine design constraints and potentially lead to a more efficient engine.
Document ID
20160011110
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Csank, Jeffrey T. (NASA Glenn Research Center Cleveland, OH United States)
Date Acquired
September 7, 2016
Publication Date
August 1, 2016
Subject Category
Aircraft Propulsion And Power
Report/Patent Number
E-19258
GRC-E-DAA-TN31154
NASA/TM-2016-219133
Funding Number(s)
WBS: WBS 081876.02.03.30.02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
dynamic analysis
Controls
systems analysis

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