Results 21 to 30 of about 489 (150)

The hydrogen laminar jet [PDF]

open access: yesInternational Journal of Hydrogen Energy, 2010
Numerical and asymptotic methods are used to investigate the structure of the hydrogen jet discharging into a quiescent air atmosphere. The analysis accounts in particular for the variation of the density and transport properties with composition. The Reynolds number of the flow "Rj", based on the initial jet radius "a", the density and viscosity of ...
Sánchez-Sanz, Mario   +2 more
openaire   +2 more sources

Stability Analysis of Bitcoin using Recurrence Quantification Analysis

open access: yesChaos Theory and Applications, 2022
Cryptocurrencies are new kinds of electronic currencies based on communication technologies. These currencies have attracted the attention of investors. However, cryptocurrencies are very volatile and unpredictable. For investors, it is very difficult to
Baki Ünal
doaj   +1 more source

TWO-DIMENSIONAL FLAME INSTABILITY AND CONTROL OF BURNING IN THE HAlF-OPEN FIRECHAMBER

open access: yesАвтоматизация технологических и бизнес-процессов, 2016
The flame stability with regard to two-dimensional exponential perturbations both for the combustion in the half-open fire-chamber and the flame propagating in half-open channels is investigated.
V. E. Volkov
doaj   +1 more source

Laminar Craya–Curtet jets [PDF]

open access: yesPhysics of Fluids, 2004
This Brief Communication investigates laminar Craya–Curtet flows, formed when a jet with moderately large Reynolds number discharges into a coaxial ducted flow of much larger radius. It is seen that the Craya–Curtet number, C=(Jc/Jj)1/2, defined as the square root of the ratio of the momentum flux of the coflowing stream to that of the central jet ...
Revuelta Bayod, Antonio   +3 more
openaire   +3 more sources

Recurrence Quantification Analysis as a Form of Postural Control Assessment: A Systematic Review

open access: yesApplied Sciences, 2023
Human postural control is commonly assessed by center of pressure (CoP) displacement analysis. However, traditional linear parameters do not provide a complete picture of postural control, so a number of nonlinear analyses have been introduced.
Michalina Błażkiewicz   +2 more
doaj   +1 more source

A New Approach to Laminar Flowmeters [PDF]

open access: yesSensors, 2010
After studying the performance and characteristics of actual laminar flowmeters a new disposition for this type of sensors is proposed in such a way that the measurement errors introduced by the intrinsic nature of the device can be minimized. The preliminary study shows that the developing entry region introduces non-linearity effects in all these ...
Fernando López-Peña   +3 more
openaire   +4 more sources

PERSISTENTLY LAMINAR TANGLES [PDF]

open access: yesJournal of Knot Theory and Its Ramifications, 1999
We show how to build tangles T in a 3-ball with the property that any knot obtained by tangle sum with T has a persistent lamination in its exterior, and therefore has property P. The construction is based on an example of a persistent lamination in the exterior of the twist knot 61, due to Ulrich Oertel.
openaire   +2 more sources

Recurrence quantification analysis of a three level trophic chain model

open access: yesHeliyon, 2019
Recurrence plots and recurrence quantification analysis based measures - recurrence rate, determinism, divergence, entropy, laminarity and trapping time, are used to detect transitions between periodic and chaotic states and also the laminar states of ...
Rashmi Bhardwaj, Saureesh Das
doaj   +1 more source

Repaired Tetralogy of Fallot Pressure Assessment: Insights from 4D-Flow Pressure Mapping

open access: yesFluids, 2023
Tetralogy of Fallot (TOF) is the most prevalent cyanotic congenital heart defect (CHD) that alters normal blood flow through the heart and accounts for 10% of all CHD.
Safia Ihsan Ali   +3 more
doaj   +1 more source

S1 laminar specialization

open access: yesScholarpedia, 2010
The neocortex is classically considered to be organized into 6 different but “equally well-developed” layers.
openaire   +1 more source

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