Results 101 to 110 of about 182,267 (308)

Performance of a demand controlled mechanical extract ventilation system for dwellings [PDF]

open access: yes, 2013
The main aim of ventilation is to guarantee a good indoor air quality, related to the energy consumed for heating and fan(s). Active or passive heat recovery systems seem to focus on the reduction of heating consumption at the expense of fan electricity ...
Janssens, Arnold   +5 more
core   +2 more sources

Vision‐Augmented Wearable Interfaces: Bioinspired Approaches for Realistic AI‐Human‐Machine Interaction

open access: yesAdvanced Materials Technologies, EarlyView.
This review presents recent progress in vision‐augmented wearable interfaces that combine artificial vision, soft wearable sensors, and exoskeletal robots. Inspired by biological visual systems, these technologies enable multimodal perception and intelligent human–machine interaction.
Jihun Lee   +4 more
wiley   +1 more source

Optimizing airflow reversals for kiln drying of softwood timber by applying mathematical models

open access: yesMaderas: Ciencia y Tecnología, 2014
After experimental validation of a kiln-wide drying model, a single board drying model and a stress model for kiln drying of softwood timber, these models are integrated and used to investigate benefits of airflow reversals in smoothing moisture content ...
Shusheng Pang
doaj  

Research on the Cumulative Dust Suppression Effect of Foam and Dust Extraction Fan at Continuous Miner Driving Face

open access: yesAtmosphere
The heading face is one of the zones most severely affected by dust pollution in underground coal mines, and dust control becomes even more challenging during roadway excavation with continuous miners.
Jiangang Wang   +7 more
doaj   +1 more source

Droplet deformation and breakup in shear flow of air

open access: yes, 2020
The deformation and breakup of droplets in air flows is important in many applications of spray and atomization processes. However, the shear effect of airflow has never been reported.
Che, Zhizhao, Wang, Tianyou, Xu, Zhikun
core   +1 more source

Graphene‐Based Wearable Textile Triboelectric Nanogenerators and Biomechanical Sensors

open access: yesAdvanced Materials Technologies, EarlyView.
This study presents a wearable textile‐based triboelectric nanogenerator (T‐TENG) using sprayed graphene enhanced with a PVA adhesion layer. The graphene‐based electrode demonstrates high electrical conductivity and robustness to multiple bends. The fabricated T‐TENG provides stable and efficient output, with strong responsiveness to biomotion.
Hongyang Dang   +4 more
wiley   +1 more source

Flexible calorimetric flow sensor with unprecedented sensitivity and directional resolution for multiple flight parameter detection

open access: yesNature Communications
The accurate perception of multiple flight parameters, such as the angle of attack, angle of sideslip, and airflow velocity, is essential for the flight control of micro air vehicles, which conventionally rely on arrays of pressure or airflow velocity ...
Zheng Gong   +14 more
doaj   +1 more source

A comparison of different technologies to improve temperature control in refrigerated containers: A table grape export case

open access: yesHeliyon
Purpose: Table grapes are exported in refrigerated (reefer) containers owing to their temperature sensitivity. Previous studies have found that insufficient airflow around pallets of fruit cause hotspots in reefer containers, which could negatively ...
Margot Nel   +2 more
doaj   +1 more source

Radiative Cooling by Green(er) Solvents‐Upcycled Polyvinyl Chloride From Drug Blisters Waste

open access: yesAdvanced Optical Materials, EarlyView.
This study explores upcycling poly(vinyl chloride) (PVC) from used pharmaceutical blisters into sustainable radiative cooling materials. Using solvent separation and membrane fabrication, PVC was converted into white membranes paired with aluminum foil.
Andrea Lanfranchi   +2 more
wiley   +1 more source

OPTIMIZING AIRFLOW REVERSALS FOR KILN DRYING OF SOFTWOOD TIMBER BY APPLYING MATHEMATICAL MODELS

open access: yesMaderas: Ciencia y Tecnología, 2004
After experimental validation of a kiln-wide drying model, a single board drying model and a stress model for kiln drying of softwood timber, these models are integrated and used to investigate benefits of airflow reversals in smoothing moisture content ...
Shusheng Pang
doaj  

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