Influence of Compressor Bleed Air System Components Interaction on its Performance
Seiten
The compressor bleed air system is part of the secondary air system of an aero-engine or a stationary gas turbine. It extracts air out of the compressor through slots or holes placed in the casing or shaft of the engine. Typically, the bleeding air is collected through a circumferential manifold and is then fed into a number of exit tubes guiding the air to different applications. Compressor bleed air systems are generally designed according to two rules: minimise the total pressure loss in the system in order to locate the off-take as far upstream in the compressor as possible, and at the same time minimise the local influence of the bleed air extraction on the compressor's operating range. Due to assembly, weight, and cost constraints, the complete compressor bleed air system must remain as compact as possible. It requires placing the components close to each other, which in turn implies strong interactions between the components. The choice of an exit tube configuration, for instance, is crucial as it affects the manifold flow losses, the bleeding uniformity and the bleed air system costs.
In the present work, the effects of the interaction between commonly used compressor bleed air system components have been investigated. The cross influence of these components is analysed computationally and experimentally based on total pressure loss and bleed uniformity. In addition, these results are compared with 1D network assumptions, widely used in industry, in order to improve engine design modelling.
In the present work, the effects of the interaction between commonly used compressor bleed air system components have been investigated. The cross influence of these components is analysed computationally and experimentally based on total pressure loss and bleed uniformity. In addition, these results are compared with 1D network assumptions, widely used in industry, in order to improve engine design modelling.
| Erscheinungsdatum | 07.11.2024 |
|---|---|
| Reihe/Serie | Forschungsberichte aus dem Institut für Thermische Strömungsmaschinen ; Band 96/2024 |
| Sprache | englisch |
| Maße | 170 x 240 mm |
| Einbandart | Paperback |
| Themenwelt | Technik ► Luft- / Raumfahrttechnik |
| Technik ► Maschinenbau | |
| Schlagworte | Bleed Uniformity • Compressor bleed • gas turbine • pressure loss • Secondary air system |
| ISBN-10 | 3-8325-5583-8 / 3832555838 |
| ISBN-13 | 978-3-8325-5583-2 / 9783832555832 |
| Zustand | Neuware |
| Informationen gemäß Produktsicherheitsverordnung (GPSR) | |
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