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SUMMARY:Pulsed Detonation Engine (PDE) Research - Dr. Fred Schauer\, Head\
 , Emerging Propulsion Research\, Air Force
DTSTART:20091022T130000Z
DTEND:20091022T150000Z
UID:TALK21057@talks.cam.ac.uk
CONTACT:15981
DESCRIPTION:Due to advanced propulsion needs\, unconventional thermodynami
 c\ncycles are being explored to provide higher performance and lower costs
 .\nOne such alternative propulsion cycle that has been the subject of grow
 ing\nattention in the last decade is the pulsed detonation engine or PDE. 
  PDE's\nutilize the detonative mode of combustion to provide pressure rise
  and\neliminate the need for much of the complexity of current propulsion 
 systems.\nThe resulting engine may be simple\, low in cost\, and highly sc
 alable with\nrecent performance studies covering over 5 orders of magnitud
 es in installed\nthrust.  Theoretically\, air breathing PDE's produce thru
 st from static to\nMach 4+ conditions\, a range which no other single-cycl
 e propulsion system\ncan efficiently cover.  This seminar will provide an 
 overview of pulsed\ndetonation research: starting with what is a detonatio
 n/PDE and covering\nresearch issues such as detonation initiation\, propag
 ation\, and blow down.\nDue to the highly unstable conditions associated w
 ith working in a\ndetonative environment\, unique research facilities\, ex
 perimental techniques\,\nunsteady cycle analysis and computational tools a
 re required to perform\nresearch.  In addition to describing some of the a
 bove areas\, applications\nof pulsed detonation technology will also be ad
 dressed including high speed\npropulsion and hybrid concepts.\n\n\nPresent
 ers Biog:  Dr. Fred Schauer (Air Force Research Laboratory\,\nWright-Patte
 rson Air Force Base in Ohio) received his Ph.D. in mechanical\nengineering
  from the University of Illinois at Urbana-Champaign developing\nlaser dia
 gnostics and CFD for turbulent flame interactions.  Since 1997\, he\nhas s
 erved as the principal investigator for AFRL's in-house pulse\ndetonation 
 engine (PDE) research program.  In addition to heading what is\nnow AFRL's
  Propulsion Emerging Research Program\, which consists of the\nPulsed Deto
 nation Research Facility and the Small Engine Research\nLaboratory\, he is
  the designer of AFRL's in-house research pulse detonation\nengines which 
 have demonstrated breakthroughs in operation\, performance\,\nfrequency\, 
 multi-tube operation\, cost\, run duration\, durability\, and\ndetonation 
 initiation.  He has participated in numerous PDE projects with\nindustry\,
  academia\, DARPA\, ONR\, NRL\, the Naval Postgraduate School\, NASA\,\nan
 d EOARD.  Under his supervision\, his research group has won awards for to
 p\nAFOSR research team\, the AFRL Commander's Cup\, two time winners of th
 e AFRL\nScience & Technology Achievement Award\, finalists for the Collier
  Trophy and\nAviation Laureate\, and Dr. Schauer was recently named Air Fo
 rce Scientist of\nthe Year and AIAA Engineer of the Year.\n\n
LOCATION:Lecture Room 6  Engineering Department
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