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UID:0-195@aerospace.technion.ac.il

DTSTART;TZID=Asia/Jerusalem:20230329T133000

DTEND;TZID=Asia/Jerusalem:20230329T143000

DTSTAMP:20230309T100454Z

URL:https://aerospace.technion.ac.il/events/plasma-assisted-ammonia-combus
 tion-experimental-and-modeling-study-of-chemical-kinetics-in-a-well-stirre
 d-plasma-reactor/

SUMMARY:Plasma Assisted Ammonia Combustion: Experimental And Modeling Study
  Of Chemical Kinetics In A Well-Stirred Plasma Reactor
DESCRIPTION:Lecturer:Galia Faingold\n Faculty:Department of Aerospace Engin
 eering\n Institute:Technion – Israel Institute of Technology\n Location:
 Classroom 165\, ground floor\, Library\, Aerospace Eng\n Zoom: https://tec
 hnion.zoom.us/j/97346140543\n Abstract: Abstract: Adaptation of existing i
 nfrastructure is key for meeting the green-house gas emission targets of t
 he Paris Climate Accords. Ammonia has broad potential to serve as a carbon
 -free means of renewable energy storage for mobile applications and power 
 generation\, with energy density and storage costs superior to hydrogen an
 d existing battery technologies. Its widescale adoption\, however\, has be
 en limited by its tendency to emit high levels of NOx and its poor combust
 ion characteristics. Using plasma-assisted reforming\, ammonia can be modi
 fied to be compatible with current engine technology with only minor alter
 ations. Plasma chemical processes initiated by high-frequency nanosecond-d
 uration pulsed energy deposition can dissociate ammonia efficiently and se
 lectively produce hydrogen and amino radicals\, and when used in conjuncti
 on with oxidizer\, can also produce nitrous oxide\, among other combustion
  enhancing species. The presented research will introduce a novel\, well-s
 tirred plasma reactor for studying the chemistry of ammonia and ammonia-ai
 r mixtures in a plasma. Gas chromatograph and optical measurements are tak
 en using this reactor\, measuring hydrogen yields\, oxygen consumption and
  uniformity of discharge. A chemical kinetic model for ammonia and air in 
 a plasma discharge is constructed and compared to the measurements using a
  zero-dimensional plasma chemistry solver. Along with ignition simulations
 \, the measurements and developed kinetic mechanism demonstrate how plasma
  discharges can enhance ammonia combustion and reduce emissions.\n Details
 : \n 
CATEGORIES:Seminars
LOCATION:Classroom 165\, ground floor\, Library\, Aerospace Eng

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