Results 41 to 50 of about 13,058,346 (373)

Hyperbranched phosphorus flame retardants: multifunctional additives for epoxy resins [PDF]

open access: yes, 2019
We successfully synthesized multifunctional P-based hyperbranched polymeric flame retardants (hb-FRs) with varying oxygen-to-nitrogen (O : N) content and characterized them via 1H and 31P NMR and GPC.
Battig, A.   +3 more
core   +2 more sources

Instabilities and soot formation in high pressure explosion flames [PDF]

open access: yes, 2009
Flame instabilities, cellular structures and soot formed in high pressure, rich, spherically expanding iso-octane-air flames have been studied experimentally using high speed Schlieren cinematography, OH fluorescence, and laser induced incandescence ...
Lockett, R. D.
core  

The structure of flame filaments in chaotic flows [PDF]

open access: yes, 2002
The structure of flame filaments resulting from chaotic mixing within a combustion reaction is considered. The transverse profile of the filaments is investigated numerically and analytically based on a one-dimensional model that represents the effect of
Abel   +31 more
core   +2 more sources

Manufacturing Continuous Fiber‐Reinforced Printing Filaments: Development of a Post‐Consolidation Unit

open access: yesAdvanced Engineering Materials, EarlyView.
A novel, temperature‐controlled post‐consolidation unit is developed to test its potential to improve the melt impregnation process used to manufacture continuous fiber‐reinforced filaments for additive manufacturing of high‐performance thermoplastics.
Daniel Beermann   +2 more
wiley   +1 more source

Combustion Characteristics of Liquid Ammonia Direct Injection Under High-Pressure Conditions Using DNS

open access: yesEnergies
As a zero-carbon fuel, ammonia can be directly employed in its liquid form. However, its unique physical and chemical properties pose challenges to its application in engines. The direct injection of liquid ammonia is considered a promising technique for
Ziwei Huang   +4 more
doaj   +1 more source

Sustainable Synthesis of Bio‐Based Magnetic and Conductive Wood for Electromagnetic Interference Shielding Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A wood‐based magnetic and conductive material called Magwood (MW), capable of blocking almost 99.99% of electromagnetic waves (in the X‐band frequency range), is synthesized using a simple, solvent‐free process. MW is lightweight, resists water, and is flame‐retardant, making it a promising alternative for shielding electronics. The rapid proliferation
Akash Madhav Gondaliya   +3 more
wiley   +1 more source

Analytical treatment of 2D steady flames anchored in high-velocity streams

open access: yes, 2009
The problem of burning of high-velocity gas streams in channels is revisited. Previous treatments of this issue are found to be incomplete. It is shown that despite relative smallness of the transversal gas velocity, it plays crucial role in determining ...
Bedat   +10 more
core   +1 more source

Nonlinear equation for curved stationary flames [PDF]

open access: yes, 2001
A nonlinear equation describing curved stationary flames with arbitrary gas expansion $\theta = \rho_{{\rm fuel}}/\rho_{{\rm burnt}}$, subject to the Landau-Darrieus instability, is obtained in a closed form without an assumption of weak nonlinearity. It
Bychkov V. V.   +13 more
core   +2 more sources

Organic Electrochemical Transistor Channel Materials: Copolymerization Versus Physical Mixing of Glycolated and Alkoxylated Polymers

open access: yesAdvanced Functional Materials, EarlyView.
This work discusses the use of blended channel materials in OECTs. It explores how mixing glycolated and alkoxylated polymers in various ratios offers a simpler and more efficient route to tuning OECT properties. The performance of the polymer blends is compared to the corresponding copolymers, demonstrating similar OECT characteristics, swelling ...
Lize Bynens   +14 more
wiley   +1 more source

Gasoline-air mixture Explosion in a Semi-Confined Space with a 90° Bend

open access: yesChemical Engineering Transactions, 2018
In this work, experiments data from vented explosions tests using gasoline-air mixtures in a small, open square duct with a 90° bend were performed using high-speed camera.
Meng Li   +5 more
doaj   +1 more source

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