Results 41 to 50 of about 3,883 (153)

Influence of thermal gradient on gas turbine combustor wall using impingement/effusion cooling techniques: CHT CFD predictions

Arid Zone Journal of Engineering, Technology and Environment, 2017
Internal wall heat transfer relevant to impingement/effusion cooling techniques was investigated using conjugate heat transfer (CHT) computational fluid dynamics (CFD) with ANSYS Fluent and ICEM commercial software.
A. M. El-jummah, U. Ibrahim, G. E. Andrews, J. E. J. Staggs   +3 more
doaj  

Physical modelling of lava flows

Annals of Geophysics, 1997
Lava flows are not only a fascinating scientific problem, involving many branches of continuum mechanics and thermodynamics, but are natural events having a strong social impact.
M. Dragoni
doaj   +1 more source

Laser-Induced Phosphorescence Thermometry for Dynamic Temperature Measurement of an Effusion-Cooled Aero-Engine Model Combustor Liner Under Wide-Range Swirling Premixed Flames

Energies
The liner temperature distribution of an aero-engine combustor is a critical parameter for evaluating its cooling effectiveness. It provides essential guidance for designing the combustor cooling flow field, assessing combustion performance, identifying ...
Yu Huang, Siyu Liu, Xiaoqi Wang, Tingjie Zhao, Wubin Weng, Zhihua Wang, Yong He, Zhihua Wang   +7 more
doaj   +1 more source

Influence of premixed swirl-stabilized flame on the cooling performance of an effusion-cooled combustor liner

Case Studies in Thermal Engineering
The impact of premixed swirl-stabilized flame on the cooling performance of an effusion-cooled combustor liner perforated by cylindrical and fan-shaped holes is investigated under varying blowing ratios.
Xiang Lu, Yongbin Ji, Bing Ge, Shusheng Zang   +3 more
doaj   +1 more source

Numerical Investigation of Effusion Cooling in Gas Turbine Combustor Liner

Journal of Aviation, 2021
In this study, a numerical analysis was performed to find the aerothermal characteristics of the effusion cooled gas turbine combustor liner. The analyzed geometric model is a scale model of an actual combustor liner. The study aims to investigate the effect of different blowing ratios by validating an experimental test setup.
openaire   +5 more sources

Conjugate Heat Transfer and Flow Analysis of Double-Wall Cooling with Printable Gyroid-Type TPMS-Based Effusion

Aerospace
This study introduces the Gyroid structure, a type of triply periodic minimal surface (TPMS), for enhanced effusion cooling performance. Conjugate heat transfer simulations are used to compare the flow behavior, pressure loss, and overall cooling ...
Kirttayoth Yeranee, Chao Xu, Yu Rao, Yuli Cheng, Qiuru Zuo, Guodong Zhang   +5 more
doaj   +1 more source

Adapting Gel-Wax into an Ultrasound Guided Pericardiocentesis Model at Low Cost

Western Journal of Emergency Medicine, 2017
Cardiac tamponade is a life-threatening emergency for which pericardiocentesis may be required. Real-time bedside ultrasound has obviated the need for routine blind procedures in cardiac arrest, and the number of pericardiocenteses being performed has ...
Daly, Robert, Planas, Jason Henry, Edens, MaryAnn   +2 more
doaj   +1 more source

Effects of film hole spanwise angle and diameter on flow and heat transfer of impingement/effusion cooling with crossflow diverters

Case Studies in Thermal Engineering
This paper studies the blade cooling under the co-effect of external film extraction and internal impingement cooling with crossflow diverters. The influence of spanwise angle (α) and diameter (Df) of film hole on flow and cooling performance are ...
Juan He, Kun Xiao, Haolong Li, Qinghua Deng, Hao Peng   +4 more
doaj   +1 more source

The 2014–2015 Holuhraun Lava Flow-field in Iceland as a Planetary Analog for Young Volcanic Terrains in Elysium Planitia, Mars

The Planetary Science Journal
Elysium Planitia is the youngest volcanic terrain on Mars, and the only region that exhibits evidence of ongoing magmatic activity today. This makes Elysium Planitia crucial for understanding the tectonic, magmatic, volcanic, and thermal state of the ...
J. R. C. Voigt, C. W. Hamilton, L. P. Keszthelyi, M. Varnam, S. M. Hibbard, K. M. Stack   +5 more
doaj   +1 more source

2023 activity of Nyamulagira volcano monitored by SAR interferometric coherence

Science of Remote Sensing
In this work the multi-temporal InSAR coherence is exploited to analyze several phenomena during the 2023 Nyamulagira volcano activity in the Democratic Republic of Congo.
Marco Polcari, Emanuele Ferrentino, Charles Balagizi, Diego Coppola, Sébastien Valade   +4 more
doaj   +1 more source