Results 11 to 20 of about 45,698 (239)

Laser–plasma interactions for fast ignition [PDF]

open access: yesNuclear Fusion, 2014
In the electron-driven fast-ignition approach to inertial confinement fusion, petawatt laser pulses are required to generate MeV electrons that deposit several tens of kilojoules in the compressed core of an imploded DT shell. We review recent progress in the understanding of intense laser plasma interactions (LPI) relevant to fast ignition.
A.J. Kemp   +7 more
openaire   +2 more sources

Study of the length and influencing factors of air plasma ignition time

open access: yesOpen Physics, 2022
When a high-energy laser acts on a film surface, plasma flashes of both the air and film can be generated simultaneously. However, when the conventional plasma flash method is used to identify thin film damage, there is a misjudgment problem caused by ...
Wang Guixia, Su Junhong
doaj   +1 more source

Ignition of nanothermites by a laser diode pulse

open access: yesDefence Technology, 2022
Experimental investigation has been carried out for laser ignition and combustion of nanothermites based on aluminum and oxides of copper, bismuth and molybdenum. Ultrasonic mixing of nanosized powders was used to produce compositions.
Alexander Yu. Dolgoborodov   +5 more
doaj   +1 more source

Laser cleaning of the output window in a laser ignition system for gas turbines [PDF]

open access: yes, 2012
Laser ignition (LI) of both liquid fuels and gaseous combustible mixtures in gas turbines offers the potential for reduced emissions and increased reliability.
Griffiths, Jonathan David   +1 more
core   +1 more source

Laser ignition of an optically sensitised secondary explosive by a diode laser [PDF]

open access: yes, 2016
As a green technology, laser ignition of a relatively insensitive secondary explosive has been experimentally investigated. The explosive, hexanitrostilbene (HNS), was doped with one of two optical sensitizers, carbon black or a laser absorbing dye ...
Ahmad, S. R., Fang, X.
core   +1 more source

Future for inertial-fusion energy in Europe: a roadmap

open access: yesHigh Power Laser Science and Engineering, 2023
The recent achievement of fusion ignition with laser-driven technologies at the National Ignition Facility sets a historic accomplishment in fusion energy research.
Dimitri Batani   +13 more
doaj   +1 more source

Combustion Characteristics and Laminar Flame Speed of Premixed Ethanol-Air Mixtures with Laser-Induced Spark Ignition [PDF]

open access: yes, 2018
Laser-induced spark-ignition (LISI) has an advanced ignition technique with a few benefits over spark ignition. In this study, flame morphology, laminar flame characteristics and combustion characteristics of premixed anhydrous ethanol and air mixtures ...
Badawy   +24 more
core   +1 more source

Laser ignition of iso-octane air aerosols [PDF]

open access: yes, 2008
Iso-octane aerosols in air have been ignited with a focused Nd:YAG laser at pressures and temperatures of 100kPa and 270K and imaged using schlieren photography. The aerosol was generated using the Wilson cloud chamber technique.
Lawes, M.   +3 more
core   +1 more source

Ignition Rate Measurement of Laser-Ignited Coals [PDF]

open access: yes, 1997
We established a novel experiment to study the ignition of pulverized coals under conditions relevant to utility boilers. Specifically, we determined the ignition mechanism of pulverized-coal particles under various conditions of particle size, coal type, and freestream oxygen concentration.
Chen, John C., Kabadi, Vinayak
openaire   +4 more sources

Aspects of experimental investigations of laser plug ignition use at spark ignition engine

open access: yesMATEC Web of Conferences, 2017
Nowadays, the necessity of pollutant emissions reduction brings to the fore new technologies developed for a better control of the combustion process. Ignition is the process of starting radical reactions until a selfsustaining flame has developed and ...
Done Bogdan
doaj   +1 more source

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