Results 31 to 40 of about 321 (178)

Observations on Rotating Instabilities and Spike Type Stall Inception in a High-Speed Multistage Compressor

International Journal of Rotating Machinery, 2017
This work investigates high-frequency measurements for the contribution to the understanding of different stall inception types in high-speed multistage compressors.
Johannes Schreiber, Benoit Paoletti, Xavier Ottavy   +2 more
doaj   +1 more source

3D SR‐μXCT analysis for lithology detection: Application to Ryugu sample A0159

Meteoritics &Planetary Science, Volume 60, Issue 11, Page 2623-2654, November 2025.
Abstract Extraterrestrial breccia samples are formed through impact‐related processes that combine the fragments of distinct lithologies. As such, they are valuable indicators of the complex formation and evolution history of planetesimals in our solar system.
Léna Jossé, Zélia Dionnet, Alice Aléon‐Toppani, Rosario Brunetto, Andrew King, Emmanuel Gardés, Eva Heripré, Damien Loizeau, Sasha Cryan, Kentaro Hatakeda   +9 more
wiley   +1 more source

Fluid Flow in Low Permeable, Porous Media Écoulements fluides dans un milieu poreux peu perméable

Oil & Gas Science and Technology, 2006
Migration of hydrocarbons deals with the subsequent movement of petroleum after expulsion from the source rock through water saturated reservoirs or through permeability created by fractures and faults. Although the underlying principles that control the
Dutta N. C.
doaj   +1 more source

Conformally Perforated Shellular Metamaterials with Tunable Thermomechanical and Acoustic Properties

Advanced Functional Materials, Volume 35, Issue 42, October 15, 2025.
This study introduces Conformally Perforated Shellular Metamaterials (CPSMs), which overcome TPMS design limitations by mapping 2D cellular layouts onto 3D surfaces. CPSMs exhibit enhanced elastic stiffness, thermal conductivity, and acoustic performance compared to intact P‐type shellulars, demonstrating their potential as multifunctional ...
Benyamin Shahryari, Armin Mirabolghasemi, Shahin Eskandari, Xin Chen, Jean‐François Deü, Roger Ohayon, Atef Mohany, Alex Kalamkarov, Abdolhamid Akbarzadeh   +8 more
wiley   +1 more source

Studies of in Situ Pore Pressure Fluctuations At Various Scales Études des fluctuations in situ de la pression de pore à différentes échelles

Oil & Gas Science and Technology, 2006
Pore pressure fluctuations in fluid saturated geological formations, either of natural or anthropogenic origin, can be observed at different scales. Natural fluctuations, e. g.
Kümpel H. J., Grecksch G., Lehmann K., Rebscher D., Schulze K. C.   +4 more
doaj   +1 more source

Synchrotron 4D X‐Ray Computed Tomography of a Porous Limestone: Influence of Porosity on Deformation Mechanisms at Multiple Scales

Journal of Geophysical Research: Solid Earth, Volume 130, Issue 10, October 2025.
Abstract This study investigates the relationship between deformation mechanisms and heterogeneity of porosity of a porous carbonate rock across several scales. The Saint Maximin limestone (SML), characterized by centimeter‐scale alternations of dense and porous zones, serves as a model rock to examine the evolution of deformation modes.
C. Doré‐Ossipyan, A. Quacquarelli, M. Bornert, J. Sulem, A. Dimanov   +4 more
wiley   +1 more source

Quantifying the Form‐Flow‐Saltation Dynamics of Aeolian Sand Ripples

Journal of Geophysical Research: Earth Surface, Volume 130, Issue 10, October 2025.
Abstract Ripples are the most fundamental and ubiquitous aeolian bedforms formed on sandy surfaces, but their small size and fast response times make them inherently difficult to measure. However, these attributes also make ripples excellent flow indicators, and they have been used extensively in planetary locations for this purpose.
Joanna M. Nield, Matthew C. Baddock, Giles F. S. Wiggs, Jim Best, Kenneth T. Christensen, Pauline Delorme, Andrew Valdez, Nathaniel R. Bristow, Martin H. T. Hipondoka, Daniel P. Goss, Natasha S. Wallum, Philippe Claudin   +11 more
wiley   +1 more source

Computational Fluid Dynamics Applied to Chemical Reaction Engineering La mécanique des fluides numérique appliquée au génie des réactions chimiques

Oil & Gas Science and Technology, 2006
Computational Fluid Dynamics (CFD) and its applications have developed quite rapidly during the last ten years. This fast growing hybrid branch of Mechanics and Mathematics is certainly to be considered as a potentially useful and efficient tool in the ...
Trambouze P.
doaj   +1 more source

Description and Convergence Order Analysis of the Finite Element‐Volume Spatial Discretization Method

International Journal for Numerical Methods in Fluids, Volume 97, Issue 9, Page 1189-1208, September 2025.
This article presents the principles of Finite Element‐Volume discretization and conducts an analysis of its properties and convergence orders. The discretization ensures local mass conservation, second‐order convergence for velocity, and first‐order convergence for pressure.
Maria Adela Puscas, Pierre‐Emmanuel Angeli, Nathalie Nouaime, Erell Jamelot   +3 more
wiley   +1 more source

Apports de la simulation numérique pour l'étude des technologies d'épandage de produits organiques

Sciences, Eaux & Territoires, 2003
Le développement de la simulation numérique, en particulier dans le domaine de la mécanique des fluides, facilite l'étude et la mise au point d'équipements dans de nombreux secteurs d'application.
F. THIRION
doaj