Results 31 to 40 of about 319,059 (298)

A STUDY OF THE EFFECT OF SEMI-ANGLE OF CONE ON THE VIBRATION CHARACTERISTICS OF CYLINDRICAL-CONICAL COUPLED SHELL STRUCTURE

open access: yesJournal of Engineering, 2023
In this work, the effect of variation of semi-angle of the conical part on the vibration characteristics of cylindrical-conical coupled structure is investigated. The shell is made of polyester resin reinforced by continuous E-glass fibers.
Muhsin J. Jweeg   +2 more
doaj   +1 more source

Theoretical and experimental studies of a novel cone-jet sensor [PDF]

open access: yes, 2001
Modeling of a novel cone-jet sensor using two-dimensional (2-D) finite element analysis was investigated for dimensional measurement. Theoretical and experimental studies demonstrated that a cone-jet sensor supplied with air can be used to accurately ...
Jones, BE   +7 more
core   +2 more sources

Desain Dan Pembuatan Alat Destilasi Asap Cair (Liquid Smoke)

open access: yesPatria Artha Technological Journal, 2021
Liquid smoke is a condensate liquid from the pyrolysis of coconut shells which contains the main constituent compounds of acids, phenols, and carbonyls, so it is widely applied as a natural preservative in food and provides sensory characteristics in the
Said Hi Abbas, Bambang Tjiroso
doaj   +1 more source

On large deformations of thin elasto-plastic shells: Implementation of a finite rotation model for quadrilateral shell element [PDF]

open access: yes, 1997
A large-deformation model for thin shells composed of elasto-plastic material is presented in this work, Formulation of the shell model, equivalent to the two-dimensional Cosserat continuum, is developed from the three-dimensional continuum by employing ...
Brank, Boštjan   +2 more
core   +1 more source

Shell Analogy Analysis for Plate-cone Cylinder Reticulated Shell

open access: yesDEStech Transactions on Engineering and Technology Research, 2019
Plate-cone reticulated shell is a new type of space steel structures with good mechanical behavior and technical economy. In this paper, shell analogy method- three-layer shell analogy method is put forward. Based on mechanical characteristics of plate-cone cylinder reticulated shell, it is equated to a special type of three-layer thin shell working ...
Xing Wang   +3 more
openaire   +2 more sources

Wearable Smart Patches on Sustainable Chitosan With Reversible Microbial Growth‐Inhibitory Properties

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Chitosan, a polysaccharide upcycled from biowaste, has long promised sustainable, biocompatible, and antimicrobial films and devices, an appeal reinforced by its recent regulatory recognition, with several chitosan‐based antibacterial dressings gaining clearance through the Food and Drug Administration's 510(k) pathway.
Jacopo Nicoletti   +16 more
wiley   +1 more source

Acherontiscus caledoniae: the earliest heterodont and durophagous tetrapod [PDF]

open access: yesRoyal Society Open Science, 2019
The enigmatic tetrapod Acherontiscus caledoniae from the Pendleian stage of the Early Carboniferous shows heterodontous and durophagous teeth, representing the earliest known examples of significant adaptations in tetrapod dental morphology. Tetrapods of
Jennifer A. Clack   +5 more
doaj   +1 more source

Prandtl-number dependence of convection-driven dynamos in rotating spherical fluid shells [PDF]

open access: yes, 2005
The value of the Prandtl number P exerts a strong influence on convection-driven dynamos in rotating spherical shells filled with electrically conducting fluids.
Simitev, R., Busse, F.H.
core   +1 more source

Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge   +4 more
wiley   +1 more source

Electrospun Wood‐Derived Biopolymers as Electrodes in Electrochemical Energy Storage Technologies

open access: yesAdvanced Functional Materials, EarlyView.
Electrospinning transforms wood‐derived cellulose and lignin into architecturally defined, binder‐free carbon electrodes with tuneable porosity and functionality. This review shows how fibre design enables decoupled charge and mass transport, enhancing performance across battery systems, while identifying key challenges in spinnability, scalability ...
Michael W. Thielke   +3 more
wiley   +1 more source

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