Results 141 to 150 of about 777,128 (224)

IN AIRCRAFT ENGINES, FOR INSTANCE... [PDF]

open access: yesChemical & Engineering News Archive, 1942
openaire   +1 more source

Designing Butterfly‐Inspired Architecture in Self‐Assembled Hybrid Composites for Synergistic Structural Thermal Management

open access: yesSmall, EarlyView.
Pioneering a butterfly‐inspired design strategy, this work engineers hybrid composites with hierarchical fibrous architectures to achieve synergistic performance. By translating biological principles into scalable composite architectures, it introduces a novel pathway to lightweight, multifunctional, and cost‐effective materials.
Nello D. Sansone   +6 more
wiley   +1 more source

Tailoring MXene Flake Morphology via Aerosol Jet Printing for Biological and Strain Sensor Applications

open access: yesSmall, EarlyView.
Aerosol Jet Printing (AJP), coupled with a novel in situ monitoring method, enabled the controlled fabrication of aligned and crumpled Ti3C2Tx MXenes for diverse applications. Demonstrated across multiple 2D materials, this scalable strategy stablishes flake morphology as a controllable design parameter for engineering application‐specific material ...
Javier Gutierrez‐Gonzalez   +18 more
wiley   +1 more source

A Preliminary Exploratory Measurement Model for Systems Thinking in Defence and Aerospace Engineering: A Bifurcated Framework Developed via Multiple Correspondence Analysis

open access: yesSystems Research and Behavioral Science, EarlyView.
ABSTRACT Modern engineering faces a ‘complexity crisis’ characterized by interlinked, multidisciplinary ‘wicked problems’, particularly within the defence and aerospace sectors. Although systems thinking is recognized as a critical competency for navigating this environment, empirical quantitative frameworks for its measurement remain limited.
Shimon Fridkin, Sigal Kordova
wiley   +1 more source

Fire Testing and Hazard Assessment for Flame Retardant Polymer Composites

open access: yesSafety Science and Technology, EarlyView.
Flame retardant polymer composites are now being evaluated with more than pass or fail flammability tests. Heat release, smoke, toxicity, and system‐level behavior are receiving more attention, and multi‐scale methods are being used to describe fire hazard under more realistic conditions.
Shuheng Wang   +8 more
wiley   +1 more source

Impacts of Change‐Type and State‐Type System Qualities on Complex System Architectures

open access: yesSystems Engineering, EarlyView.
ABSTRACT System qualities, such as scalability, expandability, and reconfigurability, are key requirements of complex systems. Requirements associated with system qualities are important factors in design trade space analyses, but systems engineering design methodologies make only limited use of these qualities, hindering a holistic understanding of ...
Christina F. Bridges   +1 more
wiley   +1 more source

Architecting and Industrializing Advanced Production and Manufacturing Systems for Critical Industries

open access: yesSystems Engineering, EarlyView.
ABSTRACT Advanced production systems play a vital role in modern society. Such systems are developed and industrialized over multiple years and at great expense. The complexities of these systems are exacerbated in the case of metal additive manufacturing, which involves numerous process variables and relies on various auxiliary systems.
Duncan W. Gibbons   +1 more
wiley   +1 more source

Accelerating Mission Engineering: Evidence of a Stratified Landscape and a Path Toward Unified Practice

open access: yesSystems Engineering, EarlyView.
ABSTRACT Mission Engineering is maturing as a Systems Engineering discipline, yet adoption of its common frameworks remains stratified. This study examines whether selective adoption is observable across ME scholarship and develops a framework to address identified barriers.
James Moreland   +4 more
wiley   +1 more source

What Is the Return on Investment of Digital Engineering for Complex Systems Development Schedules? Findings From a Mixed‐Methods Case Study on the Post‐Production Design Change Processes of Navy Assets

open access: yesSystems Engineering, EarlyView.
ABSTRACT Complex engineered systems routinely face schedule and cost overruns, along with poor post‐deployment performance. Both INCOSE and the U.S. Department of Defense (DoD) have championed Digital Engineering (DE) as a potential remedy, yet most of DE's purported benefits remain anecdotal, and its return on investment (ROI) remains poorly ...
Jannatul Shefa, Taylan G. Topcu
wiley   +1 more source

Monitoring active osprey nests with drones is more time efficient and less disturbing than conventional methods

open access: yesWildlife Biology, EarlyView.
Drones are used to monitor bird nesting sites at less accessible locations, such as on cliffs, human infrastructure, or within the tree canopy. While there are a growing number of studies documenting avian behavioral responses to various drones, there is a continued need to monitor taxa‐specific responses to different drone models. We explored both the
Natasha K. Murphy   +4 more
wiley   +1 more source

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