Results 61 to 70 of about 1,273,058 (405)

Fluorescence lifetime imaging through scattering media

open access: yesScientific Reports, 2023
Fluorescence lifetime determination has proven to be useful, e.g. identification of molecules, quantitative estimation of species concentration and determination of temperatures.
Sebastian Nilsson   +4 more
doaj   +1 more source

Chemical looping beyond combustion – a perspective

open access: yesEnergy & Environmental Science, 2020
Facilitated by redox catalysts capable of catalytic reactions and reactive separation, chemical looping offers exciting opportunities for intensified chemical production.
Xingda Zhu   +4 more
semanticscholar   +1 more source

The Viability of the Refractory High‐Entropy Alloy AlMo0.5NbTa0.5TiZr for High‐Temperature Structural Applications

open access: yesAdvanced Engineering Materials, EarlyView.
Refractory high‐entropy alloys have attracted substantial attention for future ultrahigh‐temperature structural applications. Here the progression of key phase transformations in AlMo0.5NbTa0.5TiZr is established and correlated to the mechanical performance, highlighting the importance of the B2 phase.
George J. Wise   +5 more
wiley   +1 more source

Real Driving Emission Calibration—Review of Current Validation Methods against the Background of Future Emission Legislation

open access: yesApplied Sciences, 2021
Reducing air pollution caused by emissions from road traffic, especially in urban areas, is an important goal of legislators and the automotive industry.
Johannes Claßen   +4 more
doaj   +1 more source

Hybrid Framework Materials: Next‐Generation Engineering Materials

open access: yesAdvanced Engineering Materials, EarlyView.
Hybrid organic–inorganic materials merge the unique properties of organic and inorganic compounds, enabling applications in optoelectronics, gas storage, and catalysis. This review explores metal‐organic frameworks, hybrid organic–inorganic perovskites, and the emerging field of hybrid glasses, emphasizing their structures, functionalities, and ...
Jay McCarron   +2 more
wiley   +1 more source

Real Driving Emissions—Conception of a Data-Driven Calibration Methodology for Hybrid Powertrains Combining Statistical Analysis and Virtual Calibration Platforms

open access: yesEnergies, 2021
The combination of different propulsion and energy storage systems for hybrid vehicles is changing the focus in the field of powertrain calibration. Shorter time-to-market as well as stricter legal requirements regarding the validation of Real Driving ...
Sascha Krysmon   +4 more
doaj   +1 more source

Pollutant Formation in Monodisperse Fuel Spray Combustion [PDF]

open access: yes, 1983
The combustion of liquid sprays represents an extremely important class of combustion processes. In the transition region, encompassing droplet sizes in the range of 25-80 micron diameter, the mixing and evaporation processes are both incomplete at the ...
Cernansky, N. P., Sarv, H.
core   +1 more source

Design and Evaluation of 3D‐Printed Polylactic Acid Composites Reinforced with Biodegradable Bamboo Powder and Jute Powder

open access: yesAdvanced Engineering Materials, EarlyView.
The study investigates 3D‐printed polylactic acid (PLA) composites with biodegradable bamboo and jute powder fillers. Mechanical, thermal, structural properties, and rheological behavior are discussed to evaluate composite performance. Morphological characterization indicates uniform dispersion and adhesion of the fillers in the PLA matrix with the ...
Vimukthi Dananjaya   +4 more
wiley   +1 more source

Alignment of Smulation Methodology and Measurement Techniqus to Predict the HC-Distribution at Catalyst Inlet for Exhaust Fuel Injection

open access: yesInternational Journal of Automotive Engineering, 2019
Injection of fuel into the exhaust system is used to support the operation of exhaust gas aftertreatment systems. When injecting a fluid into the exhaust system, one major challenge is to design the exhaust system for optimal fuel distribution and to ...
Verna Huth   +5 more
doaj   +1 more source

Energy-Intensive Materials with Mechanically Activated Components

open access: yesChemEngineering, 2023
The production and study of highly dispersed aluminum-based powders represents one of contemporary science’s priority fields. This is primarily driven by the practical necessity to develop new materials, a feat that, in some cases, can only be achieved ...
Bakkara Ayagoz   +5 more
doaj   +1 more source

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