Results 171 to 180 of about 4,765,914 (397)

Hybrid Polymer-Surfactant Wormlike Micelles for Concurrent Use for Oil Recovery and Drag Reduction. [PDF]

open access: yesPolymers (Basel), 2023
Kwiatkowski AL   +4 more
europepmc   +1 more source

Magnetic Field Driven Microrobot Based on Hydrogels

open access: yesAdvanced Robotics Research, EarlyView.
Hydrogel‐based magnetic microrobots synergize remote magnetic control with the biocompatibility of flexible hydrogels, emerging as promising tools for minimally invasive biomedicine. This enables remotely controllable, untethered navigation within complex biological microenvironments.
Juncai Song, Yubing Guo
wiley   +1 more source

Novel Environmentally Friendly Nanomaterials for Drag Reduction of the Emulsified Acid System. [PDF]

open access: yesACS Omega, 2023
Al-Dogail A   +5 more
europepmc   +1 more source

Wave drag as the objective function in transonic fighter wing optimization [PDF]

open access: yes
The original computational method for determining wave drag in a three dimensional transonic analysis method was replaced by a wave drag formula based on the loss in momentum across an isentropic shock.
Phillips, P. S.
core   +1 more source

Multimodal Locomotion in Insect‐Inspired Microrobots: A Review of Strategies for Aerial, Surface, Aquatic, and Interfacial Motion

open access: yesAdvanced Robotics Research, EarlyView.
This review identifies key design considerations for insect‐inspired microrobots capable of multimodal locomotion. To draw inspiration, biological and robotic strategies for moving in air, on water surfaces, and underwater are examined, along with approaches for crossing the air–water interface.
Mija Jovchevska   +2 more
wiley   +1 more source

Drag reduction using bionic groove surface for underwater vehicles. [PDF]

open access: yesFront Bioeng Biotechnol, 2023
Zheng S, Liang X, Li J, Liu Y, Tang J.
europepmc   +1 more source

Polymer drag reduction with surface roughness in flat-plate turbulent boundary layer flow [PDF]

open access: bronze, 2004
Arnold A. Fontaine   +3 more
openalex   +1 more source

Gait Analysis of Pak Biawak: A Necrobot Lizard Built using the Skeleton of an Asian Water Monitor (Varanus Salvator)

open access: yesAdvanced Robotics Research, EarlyView.
Pak Biawak, a necrobot, embodies an unusual fusion of biology and robotics. Designed to repurpose natural structures after death, it challenges conventional boundaries between nature and engineering. Its movements are precise yet unsettling, raising questions about sustainability, ethics, and the untapped potential of biointegrated machines.
Leo Foulds   +2 more
wiley   +1 more source

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