Results 31 to 40 of about 185,594 (366)

Literature Survey of Experiment of Vibration and Response for Rotating Blade with Dry Friction Damper

open access: yesHangkong gongcheng jinzhan, 2018
It is of important significance to study the vibration characteristics and vibration suppression technology of aero-engine rotating blades to improve the engine performance, structural integrity and working reliability.
Qin Jie, Yan Qun, Huang Wenchao
doaj   +1 more source

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

open access: yesAdvanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann   +2 more
wiley   +1 more source

Biobased Bionic Spider Silk via Electrostatic Complexation for Simultaneously Harvesting Atmospheric Water and Triboelectric Energy

open access: yesAdvanced Functional Materials, EarlyView.
Bio‐based bionic spider silk and spider web are first prepared using polyelectrolyte complexation technique for the simultaneous harvesting of water and triboelectric energy. The advantage of this process lies on entirely bio‐based materials, fully green water‐processable procedures, extremely high production rate (99.36%), excellent fog harvesting ...
Qin Chen   +9 more
wiley   +1 more source

Probabilistic Failure Risk Assessment of Aeroengine Disk Considering Manoeuvring Flight

open access: yesInternational Journal of Aerospace Engineering
Accurately predicting the failure risk of aeroengine disks is a key part of engine safety design. The traditional probabilistic failure risk analysis framework has limitations in the selection of analysis time, risk characterization, and iteration ...
Guo Li   +4 more
doaj   +1 more source

Literature Survey of Dry Friction Damper Model and Analysis Method forDepressing Vibration of Rotating Blade

open access: yesHangkong gongcheng jinzhan, 2018
Rotating blades are key components in aircraft engine, the vibration characteristics and vibration reduction technology is rather important for engine performance, structural integrity, and work reliability.
Qin Jie, Yan Qun, Huang Wenchao
doaj   +1 more source

Experimental Investigation on Velocity and Temperature Field in a Rotating Non-isothermal Turbulent Boundary Layer using Hot-wire

open access: yesScientific Reports, 2020
This experiment measured the instantaneous temperature and velocity field synchronously in non-isothermal turbulent boundary layer in a rotating straight channel with a parallel-array hot-wire probe. The Reynolds number based on the bulk mean velocity (U)
Li Gangfu   +5 more
doaj   +1 more source

Oxidation behavior of SiC/SiC composites in air at high temperature

open access: yesCailiao gongcheng, 2021
As one of important candidates for advanced aerocraft engine hot components, SiC/SiC composites would undergo oxidative and corrosive damage when subjected to high temperature combustion environment. Oxidation behavior of SiC/SiC composites at 1100-1300 ℃
HONG Zhi-liang   +5 more
doaj   +1 more source

The Promise of Solid Lubricants for a Sustainable Future

open access: yesAdvanced Materials, EarlyView.
Lubricants are vital for technology, saving energy and resources. The industry seeks sustainable solutions beyond fossil fuels. Solid lubricants offer extremely low friction and reduce environmental impact, especially in harsh conditions. Can these solids truly replace liquid lubricants, or are they limited to extreme applications?
Philipp G. Grützmacher   +7 more
wiley   +1 more source

Correlated Dual‐Gradient Electrodes Enabling Spatially Synchronized Sulfur Redox in High‐Mass‐Loading Li–S Batteries Under High Current Densities

open access: yesAdvanced Materials, EarlyView.
Coupling a dual‐gradient carbonized framework with Fe2O3/Fe‐N‐C catalytic sites enables spatially synchronized sulfur redox across the entire electrode thickness in high‐mass‐loading Li–S batteries. This synergistic structural–catalytic design effectively mitigates concentration, ohmic, and electrochemical polarization, thereby achieving high‐capacity ...
Yuxuan Zhang   +6 more
wiley   +1 more source

Design and Implementation of Maintenance Engineering Analysis Platform for Civil Aero-engine

open access: yesHangkong gongcheng jinzhan, 2021
With the development and application of civil aircraft,the demand for the development and application of aeroengine has gradually emerged.In order to improve the dispatch reliability of aeroengine,it is necessary to conduct professional analysis about ...
JIANG Ping   +5 more
doaj   +1 more source

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