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Robust object-oriented formulation of directed thermofluid stream networks

Zimmer, Dirk (2020) Robust object-oriented formulation of directed thermofluid stream networks. Mathematical and Computer Modelling of Dynamical Systems, 26 (3), pp. 204-233. Taylor & Francis. doi: 10.1080/13873954.2020.1757726. ISSN 1387-3954.

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Official URL: https://doi.org/10.1080/13873954.2020.1757726

Abstract

Object-oriented formulation of thermal fluid streams often yields large non-linear equation systems whose numerical solution is difficult to achieve. This paper revisits the fundamental equations for thermal fluid streams and introduces a new term: the steady mass flow pressure p hat. Using this term, the equations can be brought into a form where all non-linear computations are explicit. This enables a robust and object-oriented formulation of even complex architectures. The modelling of aircraft environmental control systems is presented as one possible application example

Item URL in elib:https://elib.dlr.de/137748/
Document Type:Article
Title:Robust object-oriented formulation of directed thermofluid stream networks
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Zimmer, DirkDirk.Zimmer (at) dlr.deUNSPECIFIED
Date:16 June 2020
Journal or Publication Title:Mathematical and Computer Modelling of Dynamical Systems
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:26
DOI :10.1080/13873954.2020.1757726
Page Range:pp. 204-233
Publisher:Taylor & Francis
ISSN:1387-3954
Status:Published
Keywords:Thermal fluid systems object-oriented modelling robust computational methods
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Systems and Cabin (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Aircraft System Dynamics
Deposited By: Zimmer, Dirk
Deposited On:24 Nov 2020 17:49
Last Modified:19 Nov 2021 20:35

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