Results 61 to 70 of about 34,786 (228)

CFD CODE – A USEFUL TOOL FOR THE TURBOMACHINERY DESIGNER

TASK Quarterly, 2002
The presentation of CFX-TASC flow code possibilities for the turbomachinery design is the main aim of this study. In the first part of the work the compressor redesign process is presented.
RYSZARD CHODKIEWICZ, KRZYSZTOF SOBCZAK, ADAM PAPIERSKI, TOMASZ BORZĘCKI   +3 more
doaj  

Comparative Numerical Studies for the Flow Energy Dissipation Features in a Vertical Two‐Stage Centrifugal Pump in Pump and Turbine Conditions

Energy Science &Engineering, Volume 14, Issue 2, Page 764-779, February 2026.
Based on entropy theory, this study presents a comparative numerical analysis of the flow energy dissipation (FED) in a VTSP under two distinct operating conditions: pump condition and turbine condition, both characterized by relatively high hydraulic efficiencies of 88.9% and 87.4%, respectively. In pump condition, the highest FED production occurs in
S. Liu, T. P. Chen, Y. Li, M. Q. Liang, Y. J. Zhang, X. Z. Wei   +5 more
wiley   +1 more source

Experimental Evaluation of Electric Powertrain System for Unmanned Aerial Vehicles

Engineering Reports, Volume 8, Issue 1, January 2026.
Electric Powertrain Performance Metrics and Selection Workflow for UAVs. ABSTRACT With the growing use of unmanned aerial vehicles (UAVs) in both civil and military applications, optimizing electric powertrain systems is essential to enhance endurance, efficiency (η$$ \eta $$), and mission adaptability.
Srikanth Goli, Dilek Funda Kurtuluş, Imil Hamda Imran, Taiba Kouser, Abdulrahman Aliyu, Luai M. Alhems, Azhar M. Memon   +6 more
wiley   +1 more source

Numerical Investigations of the Savonius Turbine with Deformable Blades

Energies, 2020
Savonius wind turbines are characterized by various advantages such as simple design, independence of wind direction, and low noise emission, but they suffer from low efficiency. Numerous investigations were carried out to face this problem.
Krzysztof Sobczak, Damian Obidowski, Piotr Reorowicz, Emil Marchewka   +3 more
doaj   +1 more source

In Vitro Hemocompatibility of the BiVACOR Total Artificial Heart in Continuous and Pulsatile Flow

Artificial Organs, Volume 50, Issue 1, Page 84-93, January 2026.
BiVACOR's total artificial heart generates remarkably similar hemocompatibility when operated with a pulse or during continuous flow. Under both conditions, hemolysis and von Willebrand Factor multimers were similar to a commercial reference device after 6 h in vitro evaluation.
Antony P. McNamee, Daniel Timms, Frank Nestler, Nicole Bartnikowski, Amanda Smith, Geoff D. Tansley, Michael J. Simmonds   +6 more
wiley   +1 more source

Application of a compliant foil bearing for the thrust force estimation in the single stage radial blower

Open Engineering, 2015
The paper presents the application of a compliant foil bearing for estimation of the thrust force in a single stage radial blower under operational conditions. The bump foil of the thrust bearing behaves as a nonlinear spring. The knowledge of the spring
Łagodzinski Jakub, Miazga Kacper, Musiał Izabela   +2 more
doaj   +1 more source

Brazing Temperature‐Dependent Cracking in Inconel 625/BNi‐2/Hastelloy X Brazed Junctions

Advances in Materials Science and Engineering, Volume 2026, Issue 1, 2026.
Inconel 625 and Hastelloy X are two commonly used solid‐solution‐strengthened superalloys, and the connection of them is inevitable in high‐temperature applications. Brazing is a commonly accepted joining method. In this study, the two alloys were vacuum brazed by sandwiching a BNi‐2 adhesive filler into them.
Sixiang Zhao, Wenjing Luo, Lin Yang, Xingdong Chen, Yuliang Zhu, Mohammad Rezwan Habib   +5 more
wiley   +1 more source

Earth-to-orbit propulsion turbomachinery subsystem: Overview [PDF]

The topics presented are covered in viewgraph form. The objectives are: (1) to develop the technology related to the turbomachinery systems of high performance rocket engines, which focuses on advanced design methodologies and concepts, develops high ...
Garcia, R., Schutzenhofer, L. A.
core   +1 more source

Investigation and Control of Rotordynamic Instability in Typical Large Turbogenerators [PDF]

, 1991
Described here are the investigation and results of recent studies to solve oil whip in typical large turbogenerators. Included are calculations of the instability speeds and system damping of rotor-bearing systems.
Lu, Songyuan
core   +1 more source

Nonuniform Leakage Characteristics of Straight‐Through Labyrinth Seal Under Large Driving Pressure Ratio

International Journal of Aerospace Engineering, Volume 2026, Issue 1, 2026.
The straight‐through labyrinth seal is a noncontact sealing component that is widely applied in aeroengines. The leakage characteristics may be affected by the uneven distribution of the clearance height caused by eccentricity and deflection. In this study, numerical simulation was used to analyze the influence of the clearance height, eccentricity ...
Chen Xia, Yuqing Zhu, Shan Lin, Dexiang Zhang, Mohammad Rezwan Habib   +4 more
wiley   +1 more source