14 December 2016 Optical investigation of electromagnetic fuel atomizers
Author Affiliations +
Proceedings Volume 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII; 1001014 (2016) https://doi.org/10.1117/12.2243347
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies 2016, 2016, Constanta, Romania
The devices that ensure atomization of fluids (injectors and atomizers) are largely employed in contemporary technology. Injectors play a very important part in the functioning of various systems based on combustion of liquid fuels, such as internal combustion engines and turbines, jet engines, furnaces etc. During operation, these devices are subjected to important pressures and need to work within very strict parameters. It is therefore important to have very precise active surfaces.

The present work aimed to investigate such devices after certain degrees of usage in order to verify the evolution of surface micro-characteristics and their influence upon operating parameters. In order to achieve the abovementioned purpose, an optical evaluation of the surface was conducted using laser profilometry. Surface measurements were conducted on several injectors, after various degrees of usage, by aid of a laser profilometer equipped with a confocal sensor that has a vertical working range of 13mm and a resolution of 1μm1. After the surface micro-topography was measured, 3D and 2D representations, as well as individual profiles of the active surfaces, were analyzed and the significant parameters were determined. Surface wear and presence of combustion residues was analyzed in terms of its influence upon operating conditions.
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Cornel Suciu, Cornel Suciu, Marius Beniuga, Marius Beniuga, } "Optical investigation of electromagnetic fuel atomizers", Proc. SPIE 10010, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VIII, 1001014 (14 December 2016); doi: 10.1117/12.2243347; https://doi.org/10.1117/12.2243347

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