Results 51 to 60 of about 17,951 (234)

Simulation and Experimental Investigation of Low‐Speed Centrifugal Pump Coupled With Vertical Ultra‐Low‐Head Turbine for Small‐Scale Irrigation

open access: yesEngineering Reports, Volume 8, Issue 3, March 2026.
From the reviews, a new concept of a low‐speed centrifugal pump (LSCP) driven by a vertical ultra‐low‐head hydro turbine (VULHT) was designed and tested on simulation and physical setup. It was performed with a 1.8 m delivery head, concluding as inefficient. For ultra‐low‐head conditions, different than centrifugal action is recommended.
Raj Kumar Chaulagain   +4 more
wiley   +1 more source

Dynamic Behavior of Twin-Spool Rotor-Bearing System with Pedestal Looseness and Rub Impact

open access: yesApplied Sciences
The twin-spool rotor-bearing system plays a crucial role in the aero-engine. The potential manufacturing defect, assembly error, and abnormal working loads in the rotor-bearing system can induce multiple rotor failures, such as bolt looseness and rub ...
Haopeng Zhang   +5 more
doaj   +1 more source

Transient Analysis and Safety Assessment of Turbofan Engine Structures during Bird Ingestion

open access: yesInternational Journal of Aerospace Engineering, 2020
The high bypass ratio turbofan engine’s load-carrying structure transient response during bird ingestion was analyzed in accordance with the engine bird ingestion certification regulations, the principles of structural safety assessment were represented,
Gang Luo   +4 more
doaj   +1 more source

Identification of Missing Knowledge in MBSE System Models Using Graph‐Based Machine Learning

open access: yesSystems Engineering, Volume 29, Issue 2, Page 133-149, March 2026.
ABSTRACT The design and development of complex aerospace systems pose significant challenges due to their growing complexity. Iterative design processes, guided by formal specifications, strive to refine initially vague characteristics through multiple stages.
Esma Karagoz   +2 more
wiley   +1 more source

Integrated gas turbine engine-nacelle [PDF]

open access: yes, 1977
A nacelle for use with a gas turbine engine is presented. An integral webbed structure resembling a spoked wheel for rigidly interconnecting the nacelle and engine, provides lightweight support.
Adamson, A. P.   +2 more
core   +1 more source

Trustworthy Federated Learning for Industrial IoT: Balancing Robustness and Fairness via Blockchain‐Based Reputation

open access: yesArtificial Intelligence for Engineering, Volume 2, Issue 1, Page 67-77, March 2026.
This paper proposes Block‐FairFL, a Trustworthy Federated Learning framework empowered by Blockchain, to address the dual challenges of security and fairness in deploying AI for industrial engineering. ABSTRACT The integration of artificial intelligence into the industrial Internet of Things is pivotal for predictive maintenance and autonomous control.
Hui Li
wiley   +1 more source

High‐Speed, Maneuverable, and Terrain‐Adaptive Micro‐Robot with Tree Frog‐Inspired Bionic Feet

open access: yesAdvanced Science, Volume 13, Issue 7, 3 February 2026.
A 7.5 mm micro‐robot integrates tree frog‐inspired bionic feet with an electromagnetic linear motor to achieve high‐speed locomotion, slope climbing, and precise turning. It reaches 39 body lengths per second and ascends 30° slopes. The system demonstrates strong potential for inspection tasks in confined and complex environments, such as micro‐aero ...
Weizhi Zhao   +10 more
wiley   +1 more source

Remaining Useful Life Prediction in an Aerospace Engine: A Multivariable Fuzzy Time Series Classification Approach

open access: yesExpert Systems, Volume 43, Issue 2, February 2026.
ABSTRACT Failures in safety‐critical systems such as aircraft engines pose severe economic and societal risks. This study introduces a novel Remaining Useful Life (RUL) prediction method uniquely combining diverse techniques. Specifically, the proposed methodology integrates fuzzy time series analysis with sliding window segmentation and Multinomial ...
Luiz Rogério de Freitas Júnior   +1 more
wiley   +1 more source

Experimental Evaluation of Electric Powertrain System for Unmanned Aerial Vehicles

open access: yesEngineering 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   +6 more
wiley   +1 more source

NASA/GE quiet engine C acoustic test results [PDF]

open access: yes
The acoustic investigation and evaluation of the C propulsion turbofan engine are discussed. The engine was built as a part of the Quiet Engine Program.
Kazin, S. B., Pass, J. E.
core   +1 more source

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