Results 41 to 50 of about 6,408 (206)

Ice nucleation abilities of soot particles determined with the Horizontal Ice Nucleation Chamber [PDF]

Atmospheric Chemistry and Physics, 2018
Ice nucleation by different types of soot particles is systematically investigated over the temperature range from 218 to 253 K relevant for both mixed-phase (MPCs) and cirrus clouds.
F. Mahrt, C. Marcolli, R. O. David, P. Grönquist, P. Grönquist, E. J. Barthazy Meier, U. Lohmann, Z. A. Kanji   +7 more
doaj   +1 more source

The Future of Hydrogen‐Powered Aviation: Technologies, Challenges, and a Strategic Roadmap for Sustainable Decarbonization

Advanced Energy and Sustainability Research, EarlyView.
Hydrogen‐powered aviation offers a transformative pathway to zero‐emission flight by eliminating in‐flight CO2 emissions. Key considerations include propulsion systems (fuel cells and hydrogen combustion), cryogenic storage and insulation challenges, infrastructure and cost barriers, and supply‐chain constraints.
Mubasshira, Md Mahbubur Rahman, Karib Hassan Khan, Md Nizam Uddin, Dewan Hafiz Nabil   +4 more
wiley   +1 more source

Immersion Freezing Ability of Freshly Emitted Soot with Various Physico-Chemical Characteristics

Atmosphere, 2021
The immersion freezing ability of soot particles has in previous studies been reported in the range of low/insignificant to very high. The aims of this study were to: (i) perform detailed physico-chemical characterisation of freshly produced soot ...
John Falk, Kimmo Korhonen, Vilhelm B. Malmborg, Louise Gren, Axel C. Eriksson, Panu Karjalainen, Lassi Markkula, Per-Erik Bengtsson, Annele Virtanen, Birgitta Svenningsson, Joakim Pagels, Thomas B. Kristensen   +11 more
doaj   +1 more source

Development of a Novel Superhydrophobic Sawdust–Perspex Composite Disc for Efficient Oil–Water Separation

Asia-Pacific Journal of Chemical Engineering, EarlyView.
ABSTRACT Water pollution by oil and organic substances causes serious problems that threaten the ecosystem. Superhydrophobic materials represent an effective solution for removing oil from water. The present paper investigates the development of a low‐cost, superhydrophobic composite for oil–water separation.
Zienab A. Ahmed
wiley   +1 more source

Cloud droplet activity changes of soot aerosol upon smog chamber ageing [PDF]

Atmospheric Chemistry and Physics, 2014
Particles containing soot, or black carbon, are generally considered to contribute to global warming. However, large uncertainties remain in the net climate forcing resulting from anthropogenic emissions of black carbon (BC), to a large extent due to the
C. Wittbom, A. C. Eriksson, J. Rissler, J. E. Carlsson, P. Roldin, E. Z. Nordin, P. T. Nilsson, E. Swietlicki, J. H. Pagels, B. Svenningsson   +9 more
doaj   +1 more source

A sustainable business ecosystem: a case study demonstrating biochar's potential

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract The need for renewable, climate‐friendly resources has become urgent as legislators worldwide have sought to find ways to cut emissions while ensuring resource security for consumers. The use of biochar could help to achieve these goals. This study examines the current state of commercial biochar production and the maturity of the related ...
Kivijakola Juuso, Erkheikki Eemeli, Lukka Viljo, Tervonen Pekka, Harri Haapasalo   +4 more
wiley   +1 more source

Development of Membrane filter Made of Alumina and Silver-Palladium Particles for High-Filtration Efficiency, Low-Pressure Drop and Low-Soot Oxidation Temperature

International Journal of Automotive Engineering, 2020
A membrane filter was coated on conventional filter made of SiC. The first and second layers consisted of aluminaparticles with diameter of 0.5 and 1.5 micrometer, respectively; because small particles have higher filtration efficiency to prevent soot ...
Teerapat Suteerapongpun, Yuji Kitagawa, Mek Srilomsak, Katsunori Hanamura   +3 more
doaj   +1 more source

A shape model of internally mixed soot particles derived from artificial surface tension [PDF]

Atmospheric Measurement Techniques, 2019
To retrieve the physical properties of aerosols from multi-channel ground-based and satellite measurements, we developed a shape model of coated soot particles and created a dataset of their optical properties. Bare soot particles were assumed to have an
H. Ishimoto, R. Kudo, K. Adachi
doaj   +1 more source

Potential contribution of biomass gasification‐based technology in energy transition: a technical review coupled with bibliometric studies

Biofuels, Bioproducts and Biorefining, EarlyView.
Abstract Biomass gasification technology has been extensively researched around the world; however, there is a need to evaluate the current research landscape and evolutionary direction of research in the broader context of energy transition. A systematic bibliometric analysis of the Web of Science database was performed for articles that fall within ...
Olasunkanmi Opeoluwa Adeoye, Electo Eduardo Silva Lora, Rubenildo Vieira Andrade, Leonardo Peña Pupo, René Lesme Jaén, Osvaldo José Venturini   +5 more
wiley   +1 more source

Light absorption and morphological properties of soot-containing aerosols observed at an East Asian outflow site, Noto Peninsula, Japan [PDF]

Atmospheric Chemistry and Physics, 2016
The coating of black carbon (BC) with inorganic salts and organic compounds can enhance the magnitude of light absorption by BC. To elucidate the enhancement of light absorption of aged BC particles and its relation to the mixing state and morphology ...
S. Ueda, S. Ueda, T. Nakayama, T. Nakayama, F. Taketani, K. Adachi, A. Matsuki, Y. Iwamoto, Y. Iwamoto, Y. Sadanaga, Y. Matsumi, Y. Matsumi   +11 more
doaj   +1 more source