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Buske, Clemens (2015) STAC4T Streamfunction Throughflow Analysis Code for Turbines [Developer Guide]. DLR-Interner Bericht. DLR-IB 225 - 2015 A 02 B. 190 S.
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Abstract
This report describes the application of the 2D throughflow program STAC4T and provides many details and background information for future developers. A more comprehensive overview specifically designated for users of the program is given in the accompanying report DLR-IB 225 - 2015 A 02 A. In contrast to the throughflow program SLC4T, which is based on the streamline curvature method and capable to compute supersonic flows, this program is based on the matrix or streamfunction method. Thus, backflows as they occur in diffusors or at part load can be computed. The program computes the axisymmetric flow quantities at finite elements along the S2m plane through the turbine. Currently, only the Traupel loss correlations are implemented. Pre-processing tools for grid generation and an interface with DLR's BladeGenerator are explained as well as output options, which can also be used as inital solution for TRACE. Due to it's fast computation speed, the computations of complete performance maps is possible and can be used for optimizations of turbine designs for a broad performance range.
| Item URL in elib: | https://elib.dlr.de/98907/ | ||||||||
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| Document Type: | Monograph (DLR-Interner Bericht) | ||||||||
| Title: | STAC4T Streamfunction Throughflow Analysis Code for Turbines [Developer Guide] | ||||||||
| Authors: |
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| Date: | September 2015 | ||||||||
| Refereed publication: | No | ||||||||
| Open Access: | No | ||||||||
| Number of Pages: | 190 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Turbine Design, Throughflow, Performance Maps, Loss Correlations | ||||||||
| HGF - Research field: | Energy | ||||||||
| HGF - Program: | Efficient Energy Conversion and Use (old) | ||||||||
| HGF - Program Themes: | Power Plants (old) | ||||||||
| DLR - Research area: | Energy | ||||||||
| DLR - Program: | E VG - Combustion and Gas Turbine Technologies | ||||||||
| DLR - Research theme (Project): | E - Gas Turbine (old), L - Turbine Technologies (old) | ||||||||
| Location: | Göttingen | ||||||||
| Institutes and Institutions: | Institute of Propulsion Technology > Turbine | ||||||||
| Deposited By: | Grunwitz, Dr.-Ing. Clemens | ||||||||
| Deposited On: | 01 Nov 2015 17:12 | ||||||||
| Last Modified: | 10 May 2016 23:33 |
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