Journal
QUANTUM ELECTRONICS
Volume 52, Issue 1, Pages 100-104Publisher
TURPION LTD
DOI: 10.1070/QEL17972
Keywords
hydrocarbons and composite fuels; laser fragmentation; aluminium nanoparticles
Funding
- Russian Science Foundation [20-19-00419]
- Russian Science Foundation [20-19-00419] Funding Source: Russian Science Foundation
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This study analyzed the diffusive combustion of a composite fuel formed by adding aluminum nanoparticles to isopropanol in oxygen. The size distribution of Al NPs was determined and the combustion process was experimentally studied using a diagnostic system based on CARS. Temperature distributions were measured in different directions for both pure isopropanol and isopropanol with Al nanoparticles added.
We report an analysis of diffusive combustion in oxygen of a composite fuel formed by the addition of aluminium nanopar-ticles (NPs) to isopropanol. The process of obtaining Al NPs con-sisted in laser fragmentation of initially large industrial NPs using radiation of a pulsed nanosecond neodymium laser. The size distri-bution of Al NPs was determined using a measuring disk centri-fuge. The average nanoparticle size was 20 nm, which is confirmed by transmission electron microscopy data. A diagnostic system based on coherent anti-Stokes Raman scattering (CARS) was used to experimentally study the diffusive combustion of composite fuel. The temperature distributions were measured in two mutually orthogonal directions (along the flame and in the transverse direc-tion) in pure isopropanol and in isopropanol with the addition of 0.15 wt % of Al nanoparticles.
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