Results 121 to 130 of about 42,983 (307)

A survey of the broadband shock associated noise prediction methods [PDF]

open access: yes
Several different prediction methods to estimate the broadband shock associated noise of a supersonic jet are introduced and compared with experimental data at various test conditions.
Khavaran, Abbas   +2 more
core   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

open access: yesAdvanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang   +7 more
wiley   +1 more source

Investigation of ground effects on large and small scale models of a three fan V/STOL aircraft configuration [PDF]

open access: yes
Induced lift of a subsonic, three fan, lift/cruise, V/STOL aircraft configuration was investigated using scale modes of a multimission aircraft whose design incorporates a nose mounted lift fan and two lift/cruise units located over the wing ...
Carter, T. D.   +2 more
core   +1 more source

Streamlining Space Travel The Nozzle-less Propulsion Approach

open access: yesINTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT
The Nozzle-less Propulsion Approach" delves into the innovative realm of propulsion systems that defy conventional methods. Traditional rocket engines rely on nozzles for thrust generation, but the emergence of nozzle-less propulsion represents a paradigm shift in space exploration.
openaire   +1 more source

A Systematic Study of GelMA‐Carbopol Bioinks for High‐Fidelity Extrusion 3D Bioprinting at Physiological Temperatures

open access: yesAdvanced Healthcare Materials, EarlyView.
Gonzalez Martinez and collaborators develop a strategy to formulate high performance GelMA‐based bioinks with low solids contents. The resulting bioinks enable 3D bioprinting at 37 °C of high‐fidelity structures with tunable mechanical properties that support high cell viability and function.
David A. González‐Martínez   +8 more
wiley   +1 more source

Refractory thrust chambers for spacecraft engines Final report [PDF]

open access: yes
Structural reliability tests on pyrolytic graphite and pyrolytic graphite alloys for use in liquid propellant rocket engine thrust chambers and ...
Campbell, J. G., Coulbert, C. D.
core   +1 more source

Dual Acidic pH‐Responsive Post‐Crosslinked E‐Spun Nanofibrous Scaffolds Exhibiting Enhanced Disassembly and Release for Localized Cancer Treatment

open access: yesAdvanced Healthcare Materials, EarlyView.
Dual acidic pH‐responsive degradable e‐spun nanofibrous mats crosslinked with acid‐labile imine and boronic ester linkages that exhibit rapid degradation and enhanced release of encapsulated anticancer drugs through their acid‐catalyzed hydrolysis and their doxorubicin‐loaded mats having desired antitumoral activity and hemocompatibility, as promising ...
Sofia Nieves Casillas‐Popova   +4 more
wiley   +1 more source

Cold-flow experimental investigation and analysis of two sources of nozzle thrust misalignment [PDF]

open access: yes
Cold flow investigation and analysis of two nozzle thrust ...
Dowdy, M. W., Strand, L. D.
core   +1 more source

Tough, Ductile, and Strong Hard‐Soft Cementitious Composite Enabled by Multi‐Material Additive Manufacturing

open access: yesAdvanced Materials, EarlyView.
Drawing inspiration from the layered hard‐soft architecture found in sea sponges, this work establishes a new framework for architected cementitious composites (ACC) through multi‐material additive manufacturing (MMAM) process. The integration of mortar and elastomer phases into layered architectures enables synergistic toughening mechanisms, including
Aimane Najmeddine   +5 more
wiley   +1 more source

Effect of rod gap spacing on a suction panel for laminar flow and noise control in supersonic wind tunnels [PDF]

open access: yes
Results are presented of a coordinated experimental and theoretical study of a sound shield concept which aims to provide a means of noise reduction in the test section of supersonic wind tunnels at high Reynolds numbers.
Harvey, W. D.
core   +1 more source

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