Title:
Implementation of Engine Loss Analysis Methods in the Numerical Propulsion System Simulation
Implementation of Engine Loss Analysis Methods in the Numerical Propulsion System Simulation
Author(s)
Roth, Bryce Alexander
McClure, Erin Kathleen
Danner, Travis W.
McClure, Erin Kathleen
Danner, Travis W.
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Abstract
This paper describes the implementation and application of
a new set of thermodynamic loss analysis tools in the
Numerical Propulsion System Simulation. This analysis tool
set is intended to enable fast, accurate estimation of losses in an
engine cycle model with minimal effort on the part of the user.
The basic thermodynamic concepts and analysis methods are
first described. Next, the implementation of the necessary
thermodynamic calculation functions is described. These
functions are intended to be used in conjunction with a generalpurpose
loss analysis element to facilitate estimation of all
losses in an engine cycle model. The loss analysis element is
described in detail and is subsequently used to analyze a mixed
flow turbofan engine. Typical performance and loss results are
presented. The resultant detailed loss information is not
normally available when using standard cycle analysis
methods. The information gained from this analysis is useful in
that it yields insight into the underlying losses that contribute to
the overall engine performance.
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Date Issued
2005-06-06
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353350 bytes
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Text
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Paper