Skip Content
You are currently on the new version of our website. Access the old version .

International Journal of Turbomachinery, Propulsion and Power, Volume 9, Issue 3

2024 September - 7 articles

Cover Story: This study explores cost-effective methods to reduce the measurement samples needed in turbomachinery by employing Gaussian process (GP) modelling in the context of a data-driven hybrid technique. Three GP approaches—baseline, CFD experiments, and multi-fidelity—are evaluated for their ability to predict the mean flow characteristics and uncertainties in a low aspect ratio axial compressor stage. While the baseline GP shows strong accuracy, the CFD experiment GP introduces complexity and errors. The multi-fidelity GP, combining CFD and experimental data, enhances accuracy and robustness and reduces the need for extensive measurements and testing times. View this paper
  • Issues are regarded as officially published after their release is announced to the table of contents alert mailing list .
  • You may sign up for email alerts to receive table of contents of newly released issues.
  • PDF is the official format for papers published in both, html and pdf forms. To view the papers in pdf format, click on the "PDF Full-text" link, and use the free Adobe Reader to open them.

Articles (7)

  • Technical Note
  • Open Access
1 Citations
2,262 Views
9 Pages

This paper presents an analysis of factors causing the change in the real gage factor of high-temperature strain gages installed with ceramic cements. A calibration tool to mimic the load on the strain gage during the testing of gas turbines and to d...

  • Article
  • Open Access
2 Citations
3,408 Views
20 Pages

Analysis and Prediction of the Stability Limit for Centrifugal Compressors with Vaneless Diffusers

  • Xavier Flete,
  • Nicolas Binder,
  • Yannick Bousquet,
  • Viviane Ciais,
  • Sandrine Cros and
  • Nicolas Poujol

A numerical study was conducted to identify the mechanisms involved in the destabilisation of centrifugal compressors with vaneless diffusers. A stability analysis—carried out on the rotating and fixed parts of the studied machines—showed...

  • Feature Paper
  • Article
  • Open Access
3 Citations
2,944 Views
18 Pages

A cost-effective solution to address the challenges posed by sensitive instrumentation in next-gen turbomachinery components is to reduce the number of measurement samples required to assess complex flows. This study investigates Gaussian Process (GP...

  • Article
  • Open Access
2,348 Views
20 Pages

Computational models of turbofans that are oriented to assist the design and testing of innovative components are of fundamental importance in order to reduce their environmental impact. In this paper, we present an effective method for developing nu...

  • Article
  • Open Access
3 Citations
2,793 Views
13 Pages

Experimental Investigation of an Efficient and Lightweight Designed Counter-Rotating Shrouded Fan Stage

  • Timea Lengyel-Kampmann,
  • Jirair Karboujian,
  • Guillaume Charroin and
  • Peter Winkelmann

The German Aerospace Center designed, aero-mechanically optimized and experimentally investigated its own counter-rotating shrouded fan stage in the frame of the project CRISPmulti. Their target and the motivation of this work was, on the one hand, t...

  • Article
  • Open Access
1 Citations
2,956 Views
14 Pages

Heat Load Development and Heat Map Sensitivity Analysis for Civil Aero-Engines

  • Alireza Ebrahimi,
  • Soheil Jafari and
  • Theoklis Nikolaidis

The design complexity of the new generation of civil aero-engines results in higher demands on engines’ components, higher component temperatures, higher heat generation, and, finally, critical thermal management issues. This paper will propose...

  • Article
  • Open Access
1 Citations
2,217 Views
14 Pages

In turbomachinery, geometric variances of the blades, due to manufacturing tolerances, deterioration over a lifetime, or blade repair, can influence overall aerodynamic performance as well as aeroelastic behaviour. In cooled turbine blades, such devi...

Get Alerted

Add your email address to receive forthcoming issues of this journal.

XFacebookLinkedIn
Int. J. Turbomach. Propuls. Power - ISSN 2504-186X