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SUMMARY:Potential of high entropy alloys in hydrogen technologies
DTSTART:20260623T090000Z
DTEND:20260623T100000Z
DTSTAMP:20260617T173200Z
UID:indico-event-1634@indico.ifj.edu.pl
DESCRIPTION:Speakers: Wojciech J. Nowak (Rzeszow University of Technology)
 \n\nGreenhouse gas emissions are one of the biggest issues that need to be
  addressed today. Jet engines (JE) and stationary gas turbines are one of 
 the sources of greenhouse gas emissions. The energy and air transport sect
 ors are thought to account for two-thirds of global greenhouse gas (mainly
  CO2) emissions. Therefore\, there is a strong need to reduce greenhouse g
 as emissions in these sectors. One solution may be to increase the efficie
 ncy of the turbine. According to the Carnot cycle\, the simplest way to in
 crease turbine efficiency is to increase the inlet temperature. However\, 
 it should be noted that the currently used materials\, i.e. nickel-based a
 lloys\, work close to their temperature limits. Another way to reduce gree
 nhouse gas emissions is to use an alternative and environmentally friendly
  fuel. Hydrogen\, especially green hydrogen\, is considered as a potential
  candidate for such an alternative fuel. The use of green hydrogen-enriche
 d fuel simultaneously causes two effects: a significant increase in operat
 ing temperature and an increase in the water vapor content in the exhaust.
  Therefore\, it is necessary to develop a new type of material that will b
 e characterized by reliable resistance to oxidation under the conditions o
 f combustion of hydrogen-enriched fuel\, i.e. at a much higher temperature
  and in an atmosphere containing a significant amount of water vapor. In t
 he present talk development of a new material that will perform better tha
 n state-of-the-art materials used for parts in the hottest part of hydroge
 n-rich gas turbines. As strong candidate the high entropy alloys are propo
 sed. The results obtained under laboratory conditions will be shown and di
 scussed.\n\nhttps://indico.ifj.edu.pl/event/1634/
LOCATION:room 4003 (IFJ PAN)
URL:https://indico.ifj.edu.pl/event/1634/
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