Results 11 to 20 of about 431,722 (333)

Loss of physical contact in space alters the dopamine system in C. elegans

open access: yesiScience, 2022
Summary: Progressive neuromuscular decline in microgravity is a prominent health concern preventing interplanetary human habitation. We establish functional dopamine-mediated impairments as a consistent feature across multiple spaceflight exposures and ...
Surabhi Sudevan   +11 more
doaj   +1 more source

Increasing the robustness and crack resistivity of high-performance carbon fiber composites for space applications

open access: yesiScience, 2021
Summary: The endeavors to develop manufacturing methods that can enhance polymer and composite structures in spacecraft have led to much research and innovation over many decades. However, the thermal stability, intrinsic material stress, and anisotropic
Michal Delkowski   +3 more
doaj   +1 more source

Composites in Aerospace and Mechanical Engineering

open access: yesMaterials, 2023
An important step towards improving performance while reducing weight and maintenance needs is the integration of composite materials into mechanical and aerospace engineering. This subject explores the many aspects of composite application, from basic material characterization to state-of-the-art advances in manufacturing and design processes.
Stelios K. Georgantzinos   +3 more
openaire   +4 more sources

Higher order dynamic mode decomposition beyond aerospace engineering

open access: yesResults in Engineering, 2023
It is a well known fact that fluid dynamics play a crucial rule in countless fields in scientific and industrial applications, including nature and medicine (ocean currents, fluid motion around jellyfish, blood circulation...), in energy production (wind
N. Groun   +4 more
doaj   +1 more source

GPS-assisted Femtocell Synchronization and Localization Through Tightly-Coupled OpportunisticNavigation [PDF]

open access: yes, 2011
Aerospace Engineering and Engineering ...
Heath, Robert   +3 more
core   +1 more source

Collaborative Opportunistic Navigation [PDF]

open access: yes, 2012
Aerospace Engineering and Engineering ...
Humphreys, Todd E.   +2 more
core   +1 more source

Mechanical Behavior of Various Orthodontic Retraction Springs [PDF]

open access: yesITB Journal of Engineering Science, 2011
Retraction spring is a type of orthodontic apparatus that is used to move a tooth with respect to another by utilizing its spring back effect. It is made of metallic wire formed to individual orthodontic cases.
Rachman Setiawan   +2 more
doaj   +1 more source

Towards More Efficient Electric Propulsion UAV Systems Using Boundary Layer Ingestion

open access: yesDrones, 2023
The implementation of distributed propulsion and boundary layer ingestion for unmanned aerial vehicles represents various challenges for the design of embedded ducts in blended wing body configurations.
Jonathan Arias   +3 more
doaj   +1 more source

An ontology framework for developing platform-independent knowledge-based engineering systems in the aerospace industry [PDF]

open access: yes, 2014
This paper presents the development of a novel knowledge-based engineering (KBE) framework for implementing platform-independent knowledge-enabled product design systems within the aerospace industry.
Sanya, I. O., Shehab, Essam
core   +1 more source

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