Results 171 to 180 of about 1,571,082 (390)

Flight prototype regenerative particulate filter system development [PDF]

open access: yes
The effort to design, fabricate, and test a flight prototype Filter Regeneration Unit used to regenerate (clean) fluid particulate filter elements is reported.
Garber, P. J., Green, D. C.
core   +1 more source

Effects of Different Structural Film Cooling on Cooling Performance in a GO2/GH2 Subscale Thrust Chamber

open access: yesAerospace
To investigate the wall cooling of the thrust chamber in an engine, two film-cooling structures, namely, a circular hole structure and a slot structure, were designed.
Jixin Xiang   +3 more
doaj   +1 more source

Recent Advances in Stimuli‐Responsive Materials and Soft Robotic Actuators for Bioelectronic Medicine

open access: yesAdvanced Materials, EarlyView.
This review explores the integration of responsive materials and soft robotic actuators with implantable electronics to address key challenges in bioelectronic medicine. By enabling shape actuation, these technologies improve deployment, adaptability, and accuracy in minimally invasive procedures.
Chaoqun Dong, George G. Malliaras
wiley   +1 more source

A Highly Adaptable Hydrogen Bond Re‐Orientation (HyBRO) Strategy for Multiscale Vasculature Fabrication

open access: yesAdvanced Materials, EarlyView.
A novel hydrogen bond re‐orientation (HyBRO) strategy enables three‐dimensional (3D) printing of vascular microchannel networks with high accuracy. By switching sacrificial material interactions with nonsolvents, HyBRO prevents swelling and deformation, enabling accurate hierarchical channels spanning a tenfold size range.
Zhencheng Liao   +5 more
wiley   +1 more source

Method and apparatus for bio-regenerative life support system [PDF]

open access: yes, 1991
A life support system is disclosed for human habitation (cabin) which has a bioregenerative capability through the use of a plant habitat (greenhouse) whereby oxygen-rich air from the greenhouse is processed and used in the cabin and carbon dioxide-rich ...
Cullingford, Hatice S.
core   +1 more source

Trihybrid nanofluid flow through nozzle of a rocket engine: Numerical solution and irreversibility analysis

open access: yesEnergy Exploration & Exploitation
Research Problem: The research investigates the process of heat transmission and the production of entropy within the regenerative cooling channel of a rocket engine. The primary focus of the investigation is on the use of nanoparticles (titanium dioxide,
Basharat Ullah   +4 more
doaj   +1 more source

Structured Light Projection Using Image Guide Fibers for In Situ Photo‐biofabrication

open access: yesAdvanced Materials, EarlyView.
Light‐based biofabrication is typically performed with single wavelength light sources and within benchtop devices. This work demonstrates FaSt‐Light (Fiber‐assisted Structured Light) as a new approach to achieve multiwavelength image projection using flexible image guide fibers, which enables a variety of applications for in situ biofabrication ...
Parth Chansoria   +8 more
wiley   +1 more source

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