Results 51 to 60 of about 13,981 (165)
Remaining Useful Life Prediction of Milling Tool Based on Pyramid CNN
Shock and Vibration, Volume 2023, Issue 1, 2023., 2023 Remaining useful life prediction of a milling tool is one of the determinants in making scientific maintenance decision for the CNC machine tool. Predicting the RUL accurately can improve machining efficiency and the quality of product. Deep learning methods have strong learning capability in RUL prediction and are extensively used.
Ning Hu +6 more
wiley +1 more source
Investigation of Micro Gas Turbine Systems for High Speed Long Loiter Tactical Unmanned Air Systems
Aerospace, 2019 In this study, the on-going research into the improvement of micro-gas turbine propulsion system performance and the suitability for its application as propulsion systems for small tactical UAVs (<600 kg) is investigated.
James Large, Apostolos Pesyridis
doaj +1 more source
Extreme Learning Machine-Based Diagnostics for Component Degradation in a Microturbine
Energies, 2022 Micro turbojets are used for propelling radio-controlled aircraft, aerial targets, and personal air vehicles. When compared to full-scale engines, they are characterized by relatively low efficiency and durability.
Nicola Menga +4 more
doaj +1 more source
Numerical Simulation of Combustion Chamber for Button Turbojet Engine
MATEC Web of Conferences, 2016 To provide reference data for ultra-micro combustor, a new type button turbojet engine was designed and simulated the combustion’s steady-state process.
Ma Hongpeng +4 more
doaj +1 more source
AerospaceRotational speed is a key performance parameter of aero-engines. As an indispensable parameter in control systems, rotational speed has received widespread attention.
Huigui Long +3 more
doaj +1 more source
High‐Speed, Maneuverable, and Terrain‐Adaptive Micro‐Robot with Tree Frog‐Inspired Bionic Feet
Advanced 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
Various Methods of Encapsulation Biomaterials in Self‐Healing Concrete: A Review
Engineering Reports, Volume 7, Issue 9, September 2025.Investigation of the different methods of encapsulation of healing materials. ABSTRACT Concrete is known for its inherent vulnerability to cracking, which can be attributed to factors like temperature fluctuations, changes in moisture levels, and cyclic loading.
Mostafa Adresi, Mehdi Khoshoo
wiley +1 more source
Engineering Reports, Volume 7, Issue 9, September 2025.This study models MHD flow of Brinkman‐type EO‐based MoS2 nanofluid over a rotatory disk with Hall current, cross‐diffusion, and reactive transport. Numerical results reveal the effects of key parameters on flow, heat, and mass transfer in porous rotating systems.
B. Prabhakar Reddy +3 more
wiley +1 more source
Recent progress of direct ammonia fuel cells: from materials to transportation applications
Rare Metals, Volume 44, Issue 6, Page 3686-3708, June 2025.Graphical Abstract AbstractAmmonia is a promising zero‐carbon alternative fuel. Direct ammonia fuel cells (DAFCs), as an efficient ammonia‐fueled power system, have an extremely high application value in the field of transportation for decarbonization.
Yi Huang +8 more
wiley +1 more source
Experimental and Numerical Studies on Lobed Ejector Exhaust System for Micro Turbojet Engine [PDF]
Engineering Applications of Computational Fluid Mechanics, 2011 Abstract:For the purpose of improving thrust and cooling the wall of the nozzle on a micro turbojet engine, the aerodynamic characteristics micro lobed ejector, which consists of a lobed nozzle and mixing, is studied using numerical calculations and experiments.
Yong Shan +2 more
openaire +1 more source