Herbertz, Armin and Manfletti, Chiara (2014) Gas Generator Side-Flow Balancing in the Frame of Engine Cycle Analysis. Space Propulsion 2014, 2014-05-19 - 2014-05-22, Cologne, Germany.
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Abstract
The paper describes the methodology of DLRs new engine cycle analysis tool. The tool KOBRA, which is currently under development, is built on a heritage of cycle analysis software. Compared with its predecessor (LRP), the aim is to improve the component models, especially for turbomachinery and piping. The calculation of combustion processes and general uid properties shall also be improved, providing the user with more options and a wider selection of propellant combinations. In a text input �le the user de�nes the arrangement of the engine components. Changes in fuid properties are sequentially calculated in order of propellant flow direction. Components are linked by user specified constraints and subjected to automatic component parameter variations in order to obtain solutions for steady state nominal engine operation. The paper brie y presents the tool and the implemented methods. The side-flow, which is the exhaust of the gas generator and drives the turbines, is analyzed in terms of mass ow and required gas generator temperature. Parametric variations of gas generator mixture ratio and main chamber pressure are performed.
Item URL in elib: | https://elib.dlr.de/91621/ | ||||||||||||
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Document Type: | Conference or Workshop Item (Speech) | ||||||||||||
Title: | Gas Generator Side-Flow Balancing in the Frame of Engine Cycle Analysis | ||||||||||||
Authors: |
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Date: | 2014 | ||||||||||||
Refereed publication: | Yes | ||||||||||||
Open Access: | No | ||||||||||||
Gold Open Access: | No | ||||||||||||
In SCOPUS: | No | ||||||||||||
In ISI Web of Science: | No | ||||||||||||
Status: | Published | ||||||||||||
Keywords: | systems analysis; GG cycle | ||||||||||||
Event Title: | Space Propulsion 2014 | ||||||||||||
Event Location: | Cologne, Germany | ||||||||||||
Event Type: | international Conference | ||||||||||||
Event Start Date: | 19 May 2014 | ||||||||||||
Event End Date: | 22 May 2014 | ||||||||||||
HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||
HGF - Program: | Space | ||||||||||||
HGF - Program Themes: | Space Transportation | ||||||||||||
DLR - Research area: | Raumfahrt | ||||||||||||
DLR - Program: | R RP - Space Transportation | ||||||||||||
DLR - Research theme (Project): | R - Antriebsystemtechnik - Schubkammertechnologie (old) | ||||||||||||
Location: | Lampoldshausen | ||||||||||||
Institutes and Institutions: | Institute of Space Propulsion > Rocket Propulsion | ||||||||||||
Deposited By: | Hanke, Michaela | ||||||||||||
Deposited On: | 10 Nov 2014 08:47 | ||||||||||||
Last Modified: | 24 Apr 2024 19:57 |
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