Results 41 to 50 of about 2,586 (182)

ISWO-LADRC: Improved Spider Wasp Optimization Algorithm-Based Rotational Speed Control for Micro-Aero-Engine

open access: yesAerospace
Rotational 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

Various Methods of Encapsulation Biomaterials in Self‐Healing Concrete: A Review

open access: yesEngineering 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

MHD Flow Dynamics of Brinkman‐Type EO‐Based MoS2 Nanofluid Over a Rotatory Disk: Numerical Insights Into Cross‐Diffusion, Hall Current, and Reactive Transport

open access: yesEngineering 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

open access: yesRare 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

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

open access: yesAdvanced Engineering Materials, Volume 27, Issue 7, April 2025.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran   +2 more
wiley   +1 more source

An Experimental and Numerical Study on the Cavitation and Spray Characteristics of Micro-Orifice Injectors under Low-Pressure Conditions

open access: yesEnergies
A fuel injector plays a crucial role in an internal combustion engine, and the occurrence of cavitation inside the injector may affect the engine’s spray, atomization, and combustion efficiency.
Tzeng-Yuan Chen   +2 more
doaj   +1 more source

Recycled tire rubber as reinforcement for erosion‐resistant epoxy composites

open access: yesPolymer Engineering &Science, Volume 65, Issue 3, Page 1386-1403, March 2025.
Recycled tire rubber as reinforcement for erosion‐resistant epoxy composites. Abstract The aim of the study was to develop environmentally friendly, low‐cost, and highly erosion‐resistant composites using rubber particles recycled from waste tires as reinforcement.
Orkan Baran Korkusuz   +2 more
wiley   +1 more source

Research on Weight Reduction Design Method for Compressor of a Small Turbojet Engine

open access: yesHangkong gongcheng jinzhan, 2019
To improve the thrust-weight ratio of aero-engine and make it lightest, the weight reduction design method of a micro turbojet engine compressor is of a great importance.
Zhao Gaole   +4 more
doaj   +1 more source

High-temperature, flexible, thermal barrier seal [PDF]

open access: yes, 1991
This device seals the sliding interfaces between structural panels that are roughly perpendicular to each other or whose edges are butted against one another. The nonuniformity of the gap between the panels requires significant flexibility along the seal
Sirocky, Paul J., Steinetz, Bruce M.
core   +1 more source

Thermodynamic analysis of supercritical carbon dioxide cycle using waste heat of V18 MAN 51/60DF engine

open access: yesEngineering Reports, Volume 7, Issue 1, January 2025.
Integration of the micro S‐CO2 cycle with V18 MAN 51/60DF engines in powerships for waste heat recovery enhances energy efficiency and sustainability. The system utilizes 374.4 kW of waste heat, achieving 21.8% energy efficiency and 9.7% exergy efficiency, with a net work output of 54.11 kW.
Mehmet Erhan Şahin   +2 more
wiley   +1 more source

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