Results 101 to 110 of about 2,955,116 (287)

In Situ Investigation of Microstructure Evolution and Stress Generation During Low‐Pressure Carburizing and Quenching by Means of Synchrotron X‐Ray Diffraction

steel research international, EarlyView.
This study uses in situ synchrotron X‐ray diffraction at the German Electron Synchrotron to analyze low‐pressure carburizing (LPC) in steels. The findings reveal surface carbon saturation and carbide formation kinetics, and phase‐specific stress development during quenching. The results show carbide kinetics depend on steel grade and size, while stress
Ogün Baris Tapar, Michael Georg Zürn, Jens Gibmeier, Antonio Carlos de Figueiredo Silveira, Matthias Steinbacher, Norbert Schell, Jérémy Epp   +6 more
wiley   +1 more source

Emission of ions and charged soot particles by aircraft engines [PDF]

Atmospheric Chemistry and Physics, 2003
In this article, a model which examines the formation and evolution of chemiions in an aircraft engine is proposed. This model which includes chemiionisation, electron thermo-emission, electron attachment to soot particles and to neutral molecules ...
A. Sorokin, X. Vancassel, P. Mirabel
doaj  

Thermal Degradation and Thermal Decomposition of Plasticized PVC Including POSS Additives for PVC Compounds: Mechanisms, Impact, and Performance of Standards

Journal of Vinyl and Additive Technology, EarlyView.
Additives' structures. ABSTRACT Poly(vinyl chloride) has been a key polymeric material since its commercial production in 1931, demonstrating versatility across numerous industries due to its compatibility with various additives. PVC's inherent properties, flame retardance, durability, and recyclability make it ideal for building and construction ...
Stefano Gardi, Gianluca Sarti, Luca Palin, Enrico Boccaleri, Alberto Frache   +4 more
wiley   +1 more source

Exploring Soot Particle Concentration and Emissivity by Transient Thermocouples Measurements in Laminar Partially Premixed Coflow Flames

Energies, 2017
Soot formation in combustion represents a complex phenomenon that strongly depends on several factors such as pressure, temperature, fuel chemical composition, and the extent of premixing. The effect of partial premixing on soot formation is of relevance
Gianluigi De Falco, Giulia Moggia, Mariano Sirignano, Mario Commodo, Patrizia Minutolo, Andrea D’Anna   +5 more
doaj   +1 more source

Mechanism of Damage and Micro‐Characterisation of Irradiation‐Induced Free Radicals on the Epoxy Insulation of the Bridge Arm Reactors at High Altitude

High Voltage, EarlyView.
ABSTRACT Damage degradation of epoxy resin insulating materials by free radicals triggered by the ultraviolet irradiation environment at high altitude has become a key issue that restricts the reliability of the bridge arm reactor at high altitude.
Liang Zou, Xinya Luo, Zhiyun Han, Zhen Li, Xiaofeng Ding, Kejie Huang   +5 more
wiley   +1 more source

Investigation of light scattering as a technique for detecting discrete soot particles in a luminous flame [PDF]

The practicability of using a classical light-scattering technique, involving comparison of angular scattering intensity patterns with theoretically determined Mie and Rayleight patterns, to detect discrete soot particles (diameter less than 50 nm) in ...

core   +1 more source

Living coal : Robert Boyle, John Holland, and the bodily passages of chimney sweep literature, 1684-1824 [PDF]

, 2018
This project attends to a body of literature that registers the extraordinary and tragic effects of chimneys infused with living coal upon young chimney sweeps.
Goheen, Jeremy Cameron
core   +1 more source

Sustainable dyeing of silk with curled dock (Rumex crispus) extract for trace element removal, ultraviolet protection, antimicrobial and anti‐oxidant activity

Coloration Technology, EarlyView.
Abstract This study investigated the dyeability and functionality of silk dyed with curled dock leaf extract. The effects of sugar content and turbidity in the extracted dye solution on dyeing were analysed, along with K/S values and colour fastness, under varying temperatures and times.
Youngmi Park
wiley   +1 more source

Soot aerosols from commercial aviation engines are poor ice-nucleating particles at cirrus cloud temperatures [PDF]

Atmospheric Chemistry and Physics
Ice-nucleating particles catalyze ice formation in clouds, affecting climate through radiative forcing from aerosol–cloud interactions. Aviation directly emits particles into the upper troposphere where ice formation conditions are favorable.
B. Testa, L. Durdina, P. A. Alpert, F. Mahrt, C. H. Dreimol, C. H. Dreimol, J. Edebeli, C. Spirig, Z. C. J. Decker, J. Anet, Z. A. Kanji   +10 more
doaj   +1 more source

Textile and colour defect detection using deep learning methods

Coloration Technology, EarlyView.
Abstract Recent advances in deep learning (DL) have significantly enhanced the detection of textile and colour defects. This review focuses specifically on the application of DL‐based methods for defect detection in textile and coloration processes, with an emphasis on object detection and related computer vision (CV) tasks.
Hao Cui, Abdel‐Fattah Seyam, Renzo Shamey   +2 more
wiley   +1 more source