Results 91 to 100 of about 2,808,817 (248)

Neuro-mechanical entrainment in a bipedal robotic walking platform [PDF]

open access: yes, 2006
29.01.14 KB. Ok to add accepted version to spiral, paper available on publisher website under CC license.In this study, we investigated the use of van der Pol oscillators in a 4-dof embodied bipedal robotic platform for the purposes of planar walking ...
Veskos,P., Demiris,Y.
core  

The Filament Extension Atomization Process for Powder Production of Elastic Fluids

open access: yesChemie Ingenieur Technik, EarlyView.
Filament extension atomization is a promising technique for spraying a wide range of materials, enabling narrow droplet size distributions. This study examines the behavior of various fluids and suspensions to define application limits and identify optimal operating conditions.
Moritz Neukötter   +4 more
wiley   +1 more source

Experimental Study on Performance of Dual-serial-throat Nozzle Ejector and Two-phase Ejector Refrigeration Cycle System

open access: yesZhileng xuebao, 2014
The two-phase ejector refrigeration cycle (TPERC) system with a dual-serial-throat nozzle ejector was investigated experimentally, and the entrainment ratio of the ejector and the COP of the system were compared with those of the ejector with Laval ...
Ren Liqian, Guo Xianmin, Li Tianlong
doaj  

A novel bubbling fluid bed reactor for the autothermal pyrolysis of waste plastics

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract A new pilot‐scale fluidized bed reactor operated under continuous conditions was developed and tested for the thermal pyrolysis of high‐density polyethylene (HDPE). The study focused on assessing the reliability and operability of the system under different operating conditions (400–550°C), while monitoring mass and energy balances, product ...
Khadija Olivia Ogoula Igouwe   +4 more
wiley   +1 more source

A Steam Ejector Refrigeration System Powered by Engine Combustion Waste Heat: Part 2. Understanding the Nature of the Shock Wave Structure

open access: yesApplied Sciences, 2019
In general, engine fuel combustion generates 30% waste heat, which is disposed to the environment. The use of the steam ejector refrigeration to recycle the waste heat and transfer them to useful energy source could be an environmentally friendly ...
Yu Han   +9 more
doaj   +1 more source

Occurrence of severe slugging in oil production lines and mitigation methods: A numerical simulation approach using ALFAsim®

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Severe slugging represents a major challenge in offshore production systems, potentially compromising operational stability and the integrity of installations. Although established simulators such as OLGA® are widely used for its analysis, there is a gap in the literature regarding the application of the one‐dimensional simulator ALFAsim® for ...
Wayne Gabriel Nóbrega Firme   +4 more
wiley   +1 more source

Coupling governs entrainment range of circadian clocks

open access: yesMolecular Systems Biology, 2010
Circadian clocks are endogenous oscillators driving daily rhythms in physiology and behavior. Synchronization of these timers to environmental light–dark cycles (‘entrainment’) is crucial for an organism's fitness.
Ute Abraham   +5 more
doaj   +1 more source

Experimental study on entrainment of large wood in lowland rivers [PDF]

open access: yes, 2010
Wood transport in rivers, typically occurring during flood events, represents a relevant hazard for its potential to create obstruction at bridges and narrow cross-sections.
Crosato, A. (Alessandra)   +3 more
core   +1 more source

Acoustic‐driven surface cleaning with millimeter‐sized bubbles at translational resonance

open access: yesDroplet, EarlyView.
Time‐lapse visualization comparing bubble trajectories. The top panel (0 Hz) shows a bubble's linear path under no acoustic forcing, while the bottom panel (50 Hz) demonstrates the oscillatory motion induced by acoustic waves at a resonance mode. This mechanism holds promising potential for applications such as surface cleaning.
Yan Jun Lin   +2 more
wiley   +1 more source

Effects of Resolution on the Simulation of Stratocumulus Entrainment

open access: yes, 2007
Three-dimensional large-eddy simulations of a smoke cloud beneath a strong inversion are used to investigate how grid resolution affects simulated entrainment rate.
Christopher S. Bretherton   +2 more
core  

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