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Träfflista för sökning "WFRF:(Salman Hassan) srt2:(1998-1999)"

Sökning: WFRF:(Salman Hassan) > (1998-1999)

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1.
  • Degerman, Bengt, et al. (författare)
  • Studies of two stage gas turbine combustor for biomass powder : Part 1 : atmospheric cyclone gasification experiments with wood powder
  • 1998
  • Rapport (övrigt vetenskapligt/konstnärligt)abstract
    • This report summarises the research and development work regarding development of a two stage gas turbine combustor for wood powder carried out at the Luleå University of Technology from July 1993 to December 1996. The process being studied is based on cyclone gasification of the wood powder and combustion of the product gas in a suitably adapted gas turbine combustion chamber, without other gas cleaning than that obtained by the cyclone. A critical issue to be studied in the project is if the burned gases from such a cyclone gasifier lead to acceptably low deposition rates for K- and Na-compounds in a gas turbine with 850°C inlet temperature. The project strategy has been to study wood powder feeding and cyclone gasification first at atmospheric pressure, then run separate pressurised cyclone gasification tests for studies of the possibilities to achieve stable operation when the air flow is supplied by a separate compressor and finally to run integrated gasifier/gas turbine tests for studies of the deposition problem in practical operation.
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2.
  • Joppich, A., et al. (författare)
  • Wood powder feeding, difficulties and solutions
  • 1999
  • Ingår i: Biomass and Bioenergy. - 0961-9534 .- 1873-2909. ; 16:3, s. 191-198
  • Tidskriftsartikel (refereegranskat)abstract
    • A pneumatic fuel feeding system for wood powder fired gas turbines was incorporated at the Vienna University of Technology. One of the most important requirements of fuel feeding is a very homogeneous mass flow of wood powder. Therefore, the performance of the mechanical conveying part of the feeding system has been studied experimentally at flow rates corresponding to the operation range. Beside screw feeding, a vibrator is used to homogenize the flow rate. While the screw feeder shows large fluctuations, the vibrator conveyer reduces them considerably. The tests also show that for each flow rate a certain optimum amplitude of the vibrator exists at which the fluctuations reach a minimum. Furthermore, a linear function is observed between optimum oscillation amplitude and feeding rate.
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  • Resultat 1-3 av 3
Typ av publikation
rapport (1)
tidskriftsartikel (1)
licentiatavhandling (1)
Typ av innehåll
övrigt vetenskapligt/konstnärligt (2)
refereegranskat (1)
Författare/redaktör
Salman, Hassan (3)
Hedin, Johan (1)
Fredriksson, Christi ... (1)
Degerman, Bengt (1)
Kjellström, Björn (1)
Joppich, A. (1)
Lärosäte
Luleå tekniska universitet (3)
Språk
Engelska (3)
Forskningsämne (UKÄ/SCB)
Teknik (3)

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