Results 41 to 50 of about 22,057 (194)

Continuity and boundary conditions in thermodynamics: From Carnot's efficiency to efficiencies at maximum power

open access: yes, 2015
[...] By the beginning of the 20th century, the principles of thermodynamics were summarized into the so-called four laws, which were, as it turns out, definitive negative answers to the doomed quests for perpetual motion machines.
Apertet, Yann   +3 more
core   +1 more source

Mechanical Metamaterials for Bioengineering: In Vitro, Wearable, and Implantable Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Mechanical metamaterials with engineered architectures exhibit properties that differ from and greatly surpass those of their constituent bulk materials. This review summarizes the applications of mechanical metamaterials in bioengineering, focusing on advances in the last 5 years.
Madihah Kazim   +2 more
wiley   +1 more source

Oxide‐Based Ceramic Matrix Composites for High‐Temperature Environments: A Review

open access: yesAdvanced Engineering Materials, EarlyView.
This review examines oxide‐based ceramic matrix composites, focusing on their processing, composition, and mechanical properties for high‐temperature applications. Key topics include oxidation resistance, failure mechanisms, and corrosion behavior, with insights into their potential use in aerospace, nuclear power, and other high‐performance industries.
Karthikeyan Ramachandran   +2 more
wiley   +1 more source

Environmental effects on spacecraft materials [PDF]

open access: yes
The effects on the natural space environments on materials are presented, which may be used for SDI applications. The current state-of-the-art knowledge of those effects was studied, and a literature search, a questionnaire mailing, and some visits to ...
Haffner, J. W.
core   +1 more source

Advances in Hybrid Icing and Frosting Protection Strategies for Optics, Lens, and Photonics in Cold Environments Using Thin‐Film Acoustic Waves

open access: yesAdvanced Engineering Materials, EarlyView.
This article provides a comprehensive overview of fundamentals and recent advances of transparent thin‐film surface acoustic wave technologies on glass substrates for monitoring and prevention/elimination of fog, ice, and frost. Fogging, icing, or frosting on optical lenses, optics/photonics, windshields, vehicle/airplane windows, and solar panel ...
Hui Ling Ong   +11 more
wiley   +1 more source

Physical sciences: Thermodynamics, cryogenics, and vacuum technology: A compilation [PDF]

open access: yes
Technological developments which have potential application outside the aerospace community are reported. A variety of thermodynamic devices including heat pipes and cooling systems are described along with methods of handling cryogenic fluids.

core   +1 more source

Apparatus and method for measuring the Seebeck coefficient and resistivity of materials [PDF]

open access: yes, 1973
An apparatus for measuring the thermoelectric properties of materials under high pressure is described that includes a pair of force transmitting assemblies constructed of thermally and electrically conductive material positioned between the ram and ...
Hadek, V.
core   +1 more source

StahlDigital: Ontology‐Based Workflows for the Steel Industry

open access: yesAdvanced Engineering Materials, EarlyView.
The strength of the steel industry is based on the mastery of microstructure–property relationships. Digital workflows contribute to this aim by making the complexity of workflows reproducible and their execution user independent. The tools and workflows developed in the project StahlDigital as part of the German MaterialDigital initiative are ...
Franz Roters   +18 more
wiley   +1 more source

Fabrication and test of a space power boiler feed electromagnetic pump. Part 1: Design and manufacture of pump [PDF]

open access: yes
A three-phase helical induction electromagnetic (EM) pump has been designed and built. This pump was designed for use as the boiler-feed pump of a potassium Rankine-cycle space electric power system.
Gahan, J. W.   +3 more
core   +1 more source

Tailoring the Properties of 2D Nanomaterial‐Polymer Composites for Electromagnetic Interference Shielding and Energy Storage by 3D Printing—A Review

open access: yesAdvanced Engineering Materials, EarlyView.
This article critically reviews the recent advances in the development of nanomaterial‐based inks derived from 2D nanomaterials and how the addition of 2D nanomaterials alters the rheology of different polymers for 3D printing. The review further explores the application of 3D‐printed structures in the electronics, sensor, and energy sectors.
Amanuel Gebrekrstos   +3 more
wiley   +1 more source

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