Biomass fired hot air gas turbine with fluidized bed combustion

M. Gaderer, G. Gallmetzer, H. Spliethoff

Research output: Contribution to journalArticlepeer-review

26 Scopus citations


The prevailing demand for decentralized energy supply out of renewable energy sources, such as biomass, requires small-scale CHP technologies. Current developments at the Institute for Energy Systems, Technische Universität München, comprise the biomass fired hot air gas turbine, a fluidized bed wood combustor with integrated high temperature heat exchanger out of structured steel tubes for indirect firing of micro-turbines at 100 kWel. The fluidized bed consists of small particles (<400 μm) and is fluidized at low gas velocities (u < 0.2 m/s), which cause high heat transfer numbers and low tube wall erosion rates.

Original languageEnglish
Pages (from-to)1594-1600
Number of pages7
JournalApplied Thermal Engineering
Issue number13
StatePublished - Sep 2010


  • Biomass
  • CHP
  • Combined heat and power
  • External firing
  • High temperature heat exchanger
  • Hot air gas turbine
  • Immersed structured tube
  • Indirect fired gas turbine
  • Micro-turbine
  • Small-scale power production


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