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UID:0-11@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20221024T133000

DTEND;TZID=Asia/Jerusalem:20221024T143000

DTSTAMP:20221030T083453Z

URL:https://aerospace.technion.ac.il/events/new-seminar/

SUMMARY:Investigation of the effect of water-in-fuel emulsion spray on an e
 dge flame
DESCRIPTION:Lecturer:Ohad Shalev-Eggert\n Faculty:Department of Aerospace E
 ngineering\n Institute:Technion – Israel Institute of Technology\n Locat
 ion:\n Zoom: https://technion.zoom.us/j/98800929742\n Abstract: Water-in-f
 uel emulsion droplets are comprised of an inner water droplet immiscible w
 ith\, and surrounded by\, an outer liquid fuel layer. As part of the world
 wide effort to reduce pollution emissions from combustion processes\, the 
 use of such liquid droplets is considered as a means to increase combustio
 n efficiency and reduce pollutants emissions from existing power systems. 
 This is achieved mainly due to a reduction in the burned gas temperature i
 nduced by the water content and to secondary droplet atomization\, as pare
 nt droplets micro-explode producing faster-evaporating smaller offspring d
 roplets\, leading to better mixing.\n\nIn the current work\, a new two-dim
 ensional thermal-diffusional model is formulated to describe the edge flam
 e formed by two laminar co-flowing streams\, one of an oxidant and the oth
 er of fuel vapor and water-in-fuel emulsion droplets\, separated initially
  by a splitter plate. A numerical investigation was performed of how the i
 nitial presence of the water-in-fuel droplets and their micro-explosions e
 ffect the thermal structure of the compound flame in the mixing layer down
 stream of the splitter plate. Trends were identified that\, among others\,
  relate the temperature of different flame zones\, flame location and stab
 ility\, to the percentage and properties of the water in the emulsion drop
 lets. These findings contribute to understanding the potential working con
 ditions\, pros and cons of water-in-fuel emulsions.\n\n&nbsp\;\n\nMon\, 24
 -10-2022\, 13:30-14:30 (Gathering at 13:30)\nClassroom 165\, ground floor\
 , Library\, Aerospace Eng.\nZOOM: https://technion.zoom.us/j/98800929742\n
 Light refreshments will be served before the lecture\n Details: Mon\, 24-1
 0-2022\, 13:30-14:30 (Gathering at 13:30)\nClassroom 165\, ground floor\, 
 Library\, Aerospace Eng.\nZOOM: https://technion.zoom.us/j/98800929742\nLi
 ght refreshments will be served before the lecture\n Ohad Shalev-Eggert\nW
 ork towards MSc degree under the supervision of Prof. Emeritus J. Barry Gr
 eenberg (Technion)\nDepartment of Aerospace Engineering\nTechnion – Isra
 el Institute of Technology
ATTACH;FMTTYPE=image/jpeg:https://aerospace.technion.ac.il/wp-content/uplo
 ads/2022/08/003.jpg
CATEGORIES:Seminars

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