Aerodynamic conditions by fluidized bed combustion of Estonian oil shaleDušenko, Veera; Mere, Harri; Tiikma, Toomas; Vrager, AllanAbstracts : Symposium on Oil Shale 2002, 18-21 November 2002, Tallinn, Estonia2002 / p. 24

Biofuel grate boiler emissions and flame characteristicsVeski, Ants; Paist, Aadu; Parve, Teet; Vrager, Allan16th European Biomass Conference & Exhibition : from Research to Industry and Markets : proceedings of the International Conference held in Valencia, Spain, 2-6 June 20082008 / p. 1326-1329

Investigation into fouling of heat exchange surfaces for fluidized bed combustion of Estonian oil shaleDušenko, Veera; Mere, Harri; Tiikma, Toomas; Vrager, AllanAbstracts : Symposium on Oil Shale 2002, 18-21 November 2002, Tallinn, Estonia2002 / p. 74-75

Laboratory test rig for combusting Estonian oil shale in circulating fluidized bedDušenko, Veera; Mere, Harri; Štšeglov, Igor; Tiikma, Toomas; Vrager, AllanOil shale2004 / 2, p. 161-172 : ill

Low frequency sonic field influence to the heat transfer in combustion chamberTiikma, Toomas; Vrager, AllanProgress in Engineering Heat Transfer : proceedings of 3rd Baltic Heat Transfer Conference1999 / p. 87-94

Potential of biomass fuels to substitute for oil shale in energy balance in Estonian energy sectorPaist, Aadu; Kask, Ülo; Kask, Livia; Vrager, Allan; Muiste, Peeter; Padari, Allar; Pärn, L.Oil shale2005 / 4S, p. 369-379 : ill

Properties of thermal probes with heat pipe cooling systemVrager, Allan; Tiikma, ToomasAdvances in heat transfer engineering : proceedings of the Fourth Baltic Heat Transfer Conference : August 25-27, 2003, [Kaunas, Lithuania]2003 / p. 587-594 : ill

Solids flow pattern in the exit region of a CFB-furnace-influence of exit geometry [Electronic resource]Johnsson, F.; Vrager, Allan; Leckner, B.Proceedings of the 15th International Conference on Fluidized Bed Combustion : May 16-19, 1999, Savannah, Georgia1999 / 20 p. [CD-ROM]

The new technologies to increase the efficiency and decrease the CO2 and harmful gas emissions in using Estonian oil shaleVrager, Allan17th Congress of the World Energy Council : (student program) : Houston, USA, September 12-18, 19981998 / p. 1-5