Effect of air properties on a twin-shaft turbofan engine performance during start-up

Z Wang, J Zhang, C Gao, L Ming - Applied Thermal Engineering, 2023 - Elsevier
When engines start in coastal areas in summer, the performance of turbofan engine and
starter will be inevitably affected by ambient humidity and temperature. It is important to …

Generating axial compressor maps to zero speed

LE Ferrer-Vidal, V Pachidis… - Proceedings of the …, 2021 - journals.sagepub.com
Gas turbine performance models typically rely on component maps to characterize engine
component performance throughout the operational regime. For the sub-idle case, the lack …

An enhanced compressor sub-idle map generation method

LE Ferrer-Vidal, V Pachidis, RJ Tunstall - 2018 - dspace.lib.cranfield.ac.uk
Several techniques have come about for the mathematical extrapolation of compressor
maps from the idle region down to zero speed. Relatively little work has been done on …

[PDF][PDF] Gas turbine sub-idle performance modelling: altitude relight and windmilling

PK Zachos - 2010 - core.ac.uk
Sub-idle is a very challenging operating region, as the performance of a gas turbine engine
changes significantly compared to design conditions. In addition, the regulations for new …

[PDF][PDF] Generating compressor maps to simulate starting and windmilling

J Kurzke - ISABE 2019, 2019 - researchgate.net
Physically sound compressor maps are the key to accurate aircraft engine performance
simulations. Usually, calculated and measured maps only cover the speed range between …

Validation of a physically enhanced sub idle compressor map extrapolation method

L Jia, Y Chen - … Symposium on Transport Phenomena and Dynamics …, 2016 - hal.science
The objective of this study is to validate the physically enhanced compressor map
extrapolation (PECME) method brought forward by Zachos. The essential steps for this …

[HTML][HTML] An enhanced compressor map extension method suited for spool speeds down to 1%

K Joachim - Journal of the Global Power and Propulsion Society, 2024 - journal.gpps.global
Physically sound compressor maps are the key to accurate simulations of aircraft engine
performance. The simulation of ground starting and windmilling requires maps which …

Simulation of an Innovative Integrated Solar Receiver/Combustor Unit for Flexible Gas Turbine Based CSP

C Blajin - 2020 - diva-portal.org
In the wake of climate change, the generation of renewable power is of vital importance to
ensure a sustainable development with reduced carbon emissions. Among all renewable …

Using AI to improve the effectiveness of turbine performance data

SS Supe - 2023 - hammer.purdue.edu
For turbocharged engine simulation analysis, manufacturer-provided data are typically used
to predict the mass flow and efficiency of the turbine. To create a turbine map, physical tests …

The Effect of Environment on In-Flight Start-Up Operation of a Turbofan Engine

J Zhang, Z Wang, Z Zhang, S Li, L Ming - Available at SSRN 4448817 - papers.ssrn.com
When the aircraft is working during flight, flame-out may occur under flight environment with
different height and Mach number (Ma). It is of significance to investigate the start-up …