Results 71 to 80 of about 734,294 (216)

ASPECTS OF COMPOSITE MATERIALS EVOLUTION [PDF]

open access: yesFiabilitate şi Durabilitate, 2019
The composite material results from a combination of two or more constituent materials that may be of the same type or they may be of different types, from physical and chemical point of view of the properties.
Minodora Maria PASĂRE   +2 more
doaj  

Approach to the Weight Estimation in the Conceptual Design of Hybrid-Electric-Powered Unconventional Regional Aircraft

open access: yesJournal of Advanced Transportation, 2018
The present work deals with the development of an innovative approach to the weight estimation in the conceptual design of a Hybrid-Electric-Powered (HEP) Blended Wing Body (BWB) commercial aircraft.
Francesco Centracchio   +2 more
doaj   +1 more source

Comprehensive Review of Hybridization of Kenaf Fiber/Banana Fiber Filled Polymer Composites in Automobile and Aerospace Industries

open access: yesSPE Polymers, Volume 7, Issue 4, October 2026.
Hybridization of kenaf and banana fibres in aerospace and automobile applications. ABSTRACT Natural fiber reinforced polymer composites have been extensively studied as a result of the automotive and aerospace industries' need for lightweight, durable materials and the growing environmental concerns surrounding the production of synthetic fibers.
Ayodele Abraham Ajayi   +1 more
wiley   +1 more source

USAF Aeronautical Approach Chart /

open access: yes, 1954
Various editions. World aeronautical map series. Sheets numbered using World Aeronautical Chart (WAC) series numbering from 1 (North Pole) to 1851 (South Pole), subdivided into 16 by letters (A to D) then numbers (1 to 4) of: e.g.
Aeronautical Chart and Information Center (U.S.)
core  

Proposal for an Inland School Ship for the Danube Region

open access: yesCommunications, 2016
Aim of this study is the definition of a framework for the actual realisation of a common school ship in the Danube region. After a brief outline of best practice examples for (inland navigation) school ships in Europe, the study goes on with the summary
Martin Jurkovic   +2 more
doaj   +1 more source

Unmanned Aerial Systems for Corrosion Detection: Multi‐Sensor Technologies, Challenges, and Opportunities for Next‐Generation Inspection

open access: yesQuality and Reliability Engineering International, Volume 42, Issue 6, Page 3565-3583, October 2026.
ABSTRACT Corrosion remains a critical threat to the integrity and service life of infrastructure in industries such as oil, gas, construction, renewable energy, and transportation. Traditional inspection methods, being labor‐intensive, hazardous, and often subjective, fall short in addressing modern inspection demands.
Alhossein Alharbi   +3 more
wiley   +1 more source

Aeronautical planning chart.

open access: yes, 1942
Various editions. Relief shown by contours, hachures, form lines, hypsometric tints, and spot heights.; Maps originally compiled by U.S. Coast and Geodetic Survey.; Projection: Lat 0° to 75°, Lambert conformal conic. Lat. 75° to 98°, Polar stereographic.;
United States. Aeronautical Chart Service, cartographer.
core  

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

open access: yesPolymer Composites, Volume 47, Issue 18, Page 16212-16232, 20 September 2026.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan   +5 more
wiley   +1 more source

Bureau of Motor Vehicles facts and figures

open access: yes, 2000
Annual; Electronic coverage as of Mar. 1, 2004: 2000-; Title from caption (viewed Mar.
Ohio. Bureau of Motor Vehicles.
core  

FE Modeling Methodology for Load Analysis and Preliminary Sizing of Aircraft Wing Structure

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2019
It is a critical part at the basic design phase of aircraft structural design to build a finite element model and it will have a direct impact on time and cost for airframe structure development. In addition, the objective of finite element model will be
Jun Hwan Jang, Sang Ho Ahn
doaj   +1 more source

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