Results 41 to 50 of about 18,062 (227)

Tunable 3D‐Printed Static Mixers for Gradient Bioprinting With High Cell Viability

open access: yesAdvanced Materials Technologies, EarlyView.
ABSTRACT The fabrication of native tissue‐like structures with gradual transitions in material properties, cell types, and growth factors remains a major challenge in biofabrication due to the lack of suitable methods. Mimicking the hierarchical organization of living tissues is essential for functional models, yet creating gradient, multimaterial ...
Florian Hofmann   +9 more
wiley   +1 more source

Jet flow issuing from an axisymmetric pipe-cavity-orifice nozzle

open access: yesEPJ Web of Conferences, 2016
An axisymmetric air jet flow is experimentally investigated under passive flow control. The jet issues from a pipe of the inner diameter and length of 10 mm and 150 mm which is equipped with an axisymmetric cavity at the pipe end.
Broučková Zuzana   +3 more
doaj   +1 more source

Transonic Flow Field Analysis of a Minimum Nozzle Length Rocket Engine [PDF]

open access: yesINCAS Bulletin
The aim of this paper is to develop a profile of axisymmetric minimum length nozzle giving a uniform and parallel flow at the exit section. The study is done at high temperature, lower than the dissociation threshold of the molecules.
Omar ABADA, Hakim KBAB, Sidali HAIF
doaj   +1 more source

Characteristics of Oscillation in Cavity of Helmholtz Nozzle Generating Self-excited Pulsed Waterjet

open access: yesChinese Journal of Mechanical Engineering, 2022
Cavity flow oscillations in the axisymmetric cavity are critical to the operating efficiency of self-excited pulsed waterjets, which are widely employed in many practical applications.
Miao Yuan   +4 more
doaj   +1 more source

Sound‐Based Assembly of Magnetically Actuated Soft Robots Toward Enhanced Release of Extracellular Vesicles

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
Magnetic soft robots offer promise in biomedicine due to their wireless actuation and rapid response, but current fabrication methods are complex and have limited cellular compatibility. A new, contactless bioassembly strategy using hydrodynamic instabilities is introduced, enabling customizable, centimeter‐scale robots.
Wei Gao   +5 more
wiley   +1 more source

Guideline for the electrospinning of food biomacromolecules

open access: yesFood Biomacromolecules, EarlyView.
Abstract Electrospinning, an efficient method for producing micro‐ and nanoscale fibers, has undergone a notable resurgence in recent decades since its origin in the early 20th century, largely driven by advances in nanotechnology. Subsequently, it has been extensively applied across various disciplines, including materials science, biomedicine ...
Manjun Kang, Shengyang Ji, Yucheng Zou
wiley   +1 more source

Study of axisymmetric underexpanded sonic jets with Mach disks (Density field measurements by rainbow schlieren deflectometry)

open access: yesNihon Kikai Gakkai ronbunshu, 2019
The underexpanded sonic jet issued from an axisymmetric convergent nozzle are experimentally investigated in which the nozzle is operated at a pressure ratio of 4.0 to produce a Mach disk in the jet plume.
Taishi TAKESHITA   +3 more
doaj   +1 more source

Actuation Strategies for Underwater Jet‐Propelled Soft Robots

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This review article examines jet‐propulsion mechanisms in underwater soft robotic systems, focusing exclusively on physically fabricated and experimentally validated robots. Covering research published from 2013 to 2025, this study classifies and evaluates jet‐propulsion robots based on their actuation mechanisms.
Angel Kitone   +3 more
wiley   +1 more source

Highly Dynamic Soft Electrohydraulic Origami Actuators for Agile and Multimodal Robotic Locomotion

open access: yesSmartBot, EarlyView.
Most current soft robots still lag far behind their natural counterparts in both agility and speed, mainly attributed to the limited morphing modes and performance of soft actuators. Here, the authors report a new methodology of electrohydraulic origami (EHO) for creating powerful and multimodal soft actuators with large strain, high speed, lightweight,
Wenbo Li   +6 more
wiley   +1 more source

Investigation on Flow Characteristics of SVC Nozzles

open access: yesJournal of Applied Fluid Mechanics, 2018
Shock vectoring control (SVC) is an important method of fluidic thrust vectoring (FTV) for aero-engine exhaust system. It behaves better on nozzle of high pressure ratio, and is considered as an alternative TV technology for a future aero-engine with ...
S. H. I. Jingwei   +3 more
doaj  

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