Ulrik Birk Henriksen

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  1. 2013
  2. Published

    Biomass gasification cogeneration – A review of state of the art technology and near future perspectives. / Ahrenfeldt, Jesper; Thomsen, Tobias; Henriksen, Ulrik Birk; Clausen, Lasse Røngaard.

    In: Applied Thermal Engineering, Vol. 50, 2013, p. 1407-1417.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  3. Published

    Intrinsic kinetics and devolatilization of wheat straw during torrefaction. / Shang, Lei; Ahrenfeldt, Jesper; Holm, Jens Kai; Barsberg, Søren; Luo, Yong-hao; Egsgaard, Helge; Henriksen, Ulrik Birk.

    In: Journal of Analytical and Applied Pyrolysis, Vol. 100, 2013, p. 145-152.

    Publication: Research - peer-review › Journal article – Annual report year: 2013

  4. 2012
  5. Published

    Changes of chemical and mechanical behavior of torrefied wheat straw. / Shang, Lei; Ahrenfeldt, Jesper; Holm, Jens Kai; Sanadi, Anand Ramesh; Barsberg, Søren Talbro; Thomsen, Tobias; Stelte, Wolfgang; Henriksen, Ulrik B.

    In: Biomass & Bioenergy, Vol. 40, 2012, p. 63-70.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  6. Published

    Energy efficiency improvements in energy supply and industry. / Abildskov, Jens; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Jappe Frandsen, Flemming.

    In: DTU International Energy Report 2012: Energy efficiency improvements: A key element in the global transition to non-fossil energy. Technical University of Denmark, 2012. p. 79-85.

    Publication: Research - peer-review › Report chapter – Annual report year: 2012

  7. Published

    Fuel Pellets from Wheat Straw: The Effect of Lignin Glass Transition and Surface Waxes on Pelletizing Properties. / Stelte, Wolfgang; Clemons, Craig; Holm, Jens K.; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Sanadi, Anand R.

    In: Bioenergy Research, Vol. 5, 2012, p. 450-458.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  8. Published

    Quality effects caused by torrefaction of pellets made from Scots pine. / Shang, Lei; Nielsen, Niels Peter K.; Dahl, Jonas; Stelte, Wolfgang; Ahrenfeldt, Jesper; Holm, Jens Kai; Thomsen, Tobias; Henriksen, Ulrik B.

    In: Fuel Processing Technology, Vol. 101, 2012, p. 23-28.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  9. Published

    Quality of pellets from torrefied biomass and pellets torrefied at different temperatures. / Shang, Lei; Dahl, Jonas; Ahrenfeldt, Jesper; Holm, Kens Kai; Nielsen, Niels Peter K.; Stelte, Wolfgang; Thomsen, Tobias; Bach, Lars Stougaard; Henriksen, Ulrik Birk.

    2012. Poster session presented at 2012 EU BC&E, Milan, Italy.

    Publication: Research - peer-review › Poster – Annual report year: 2012

  10. Published

    Recent Developments in Biomass Pelletization - A Review. / Stelte, Wolfgang; Sanadi, Anand R.; Shang, Lei; Holm, Jens K.; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: BioResources, Vol. 7, No. 3, 2012, p. 4451-4490.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  11. Published

    Soil application of ash produced by low-temperature fluidized bed gasification: effects on soil nutrient dynamics and crop response. / Müller-Stöver, Dorette Sophie; Ahrenfeldt, Jesper; Holm, Jens Kai; Shalatet, Sherif Gebril Salem; Henriksen, Ulrik Birk; Hauggaard-Nielsen, Henrik.

    In: Nutrient Cycling in Agroecosystems, Vol. 94, No. 2-3, 2012, p. 193-207.

    Publication: Research - peer-review › Journal article – Annual report year: 2012

  12. 2011
  13. Published

    A study of bonding and failure mechanisms in fuel pellets from different biomass resources. / Stelte, Wolfgang; Holm, Jens K.; Sanadi, Anand R.; Barsberg, Søren; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Biomass & Bioenergy, Vol. 35, No. 2, 2011, p. 910-918.

    Publication: Research - peer-review › Journal article – Annual report year: 2010

  14. Published

    Fuel pellets from biomass: The importance of the pelletizing pressure and its dependency on the processing conditions. / Stelte, Wolfgang; Holm, Jens K.; Sanadi, Anand R.; Barsberg, Søren; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Fuel, Vol. 90, No. 11, 2011, p. 3285-3290.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  15. Published

    Fuel pellets from torrefied biomass. / Stelte, Wolfgang; Clemons, C.; Holm, J.K.; Sanadi, A.R.; Shang, Lei; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    2011. Poster session presented at World Sustainable Energy Days, European Pellets Conference, Wels (AT), 29 Feb - 3 Mar, .

    Publication: Research › Poster – Annual report year: 2011

  16. Published

    Fuel pellets from torrefied biomass. / Stelte, Wolfgang; Clemons, C.; Holm, J.K.; Sanadi, A.R.; Shang, Lei; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    2011. Poster session presented at Biomass Pelletization Workshop, University of British Columbia, Vancouver (CA), 17-18 May, .

    Publication: Research › Poster – Annual report year: 2011

  17. Published

    LT-CFB. Videreudvikling og kommercialisering : Slutrapport for PSO-ForskEl projekt nr. 2007-7504. / Stoholm, Peder; Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Cramer, Jesper; Dietrich, Jørn; Christiansen, Knud; Krogh, Jørgen.

    DFBT, 2011. 60 p.

    Publication: Research › Report – Annual report year: 2012

  18. Published

    Optimization of a multi-parameter model for biomass pelletization to investigate temperature dependence and to facilitate fast testing of pelletization behavior. / Holm, Jens Kai; Stelte, Wolfgang; Posselt, Dorthe; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Energy & Fuels, Vol. 25, No. 8, 2011, p. 3706-3711.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  19. Published

    Pelletizing Properties of Torrefied Biomass. / Stelte, Wolfgang; Clemons, Craig; Holm, Jens K.; Sanadi, Anand R.; Ahrenfeldt, Jesper; Shang, Lei; Henriksen, Ulrik Birk.

    2011. Abstract from 19th European Biomass Conference and Exhibition, Berlin, Germany.

    Publication: Research › Conference abstract for conference – Annual report year: 2011

  20. Published

    Pelletizing properties of torrefied spruce. / Stelte, Wolfgang; Clemons, Craig; Holm, Jens K.; Sanadi, Anand R.; Ahrenfeldt, Jesper; Shang, Lei; Henriksen, Ulrik Birk.

    In: Biomass & Bioenergy, Vol. 35, No. 11, 2011, p. 4690-4698.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  21. Published

    Production of methanol/DME from biomass : EFP06. / Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Münster-Swendsen, Janus; Fink, Anders; Clausen, Lasse Røngaard; Christensen, Jakob Munkholt; Qin, Ke; Lin, Weigang; Jensen, Peter Arendt; Jensen, Anker Degn.

    Risø DTU, 2011. 260 p. (CHEC; No. R1107).

    Publication: Research - peer-review › Report – Annual report year: 2011

  22. Published

    Thermal transitions of the amorphous polymers in wheat straw. / Stelte, Wolfgang; Clemons, Craig; Holm, Jens K.; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Sanadi, Anand R.

    In: Industrial Crops and Products, Vol. 34, No. 1, 2011, p. 1053-1056.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  23. Published

    Thermodynamic analysis of small-scale dimethyl ether (DME) and methanol plants based on the efficient two-stage gasifier. / Clausen, Lasse Røngaard; Elmegaard, Brian; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Energy, Vol. 36, No. 10, 2011, p. 5805-5814.

    Publication: Research - peer-review › Journal article – Annual report year: 2011

  24. 2010
  25. Published

    Design and Optimization of an Integrated Biomass Gasification and Solid Oxide Fuel Cell System. / Bang-Møller, Christian; Rokni, Masoud (Supervisor); Henriksen, Ulrik Birk (Supervisor); Elmegaard, Brian (Supervisor).

    Kgs. Lyngby, Denmark : Technical University of Denmark (DTU), 2010. (DCAMM Special Report; No. S112).

    Publication: Research › Ph.d. thesis – Annual report year: 2010

  26. Published

    Binding mechanisms in fuel pellets made from biomass. / Stelte, Wolfgang; Henriksen, Ulrik Birk; Ahrenfeldt, Jesper.

    2010. Poster session presented at FPS 64th International Convention : Annual meeting of the Forest Products Society, Madison, Wisconsin, USA, .

    Publication: Research › Poster – Annual report year: 2010

  27. Published

    Bioenergy. / Pilegaard, Kim; Hauggaard-Nielsen, Henrik; Breddam, Klaus Svend Holm; Schmidt, Jens Ejbye; Henriksen, Ulrik Birk.

    In: Risø energy report 9: Non-fossil energy technologies in 2050 and beyond. ed. / Hans Hvidtfeldt Larsen. Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2010. p. 43-49 (Denmark. Forskningscenter Risoe. Risoe-R; No. 1729(EN)).

    Publication: Research - peer-review › Report chapter – Annual report year: 2010

  28. Published

    Development and Test of a new Concept for Biomass Producer Gas Engines. / Ahrenfeldt, Jesper; Foged, Esben Vendelbo; Strand, Rune; Henriksen, Ulrik Birk.

    Roskilde : Danmarks Tekniske Universitet, Risø Nationallaboratoriet for Bæredygtig Energi, 2010. 35 p. (Denmark. Forskningscenter Risoe. Risoe-R; No. 1728(EN)).

    Publication: Research › Report – Annual report year: 2010

  29. Published

    On the significance of methyl chloride in gasification processes. / Egsgaard, Helge; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Proceedings. 2010. p. 590-592.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2010

  30. 2008
  31. Published

    Characterization of biomass producer gas as fuel for stationary gas engines in combined heat and power production. / Ahrenfeldt, Jesper; Schramm, Jesper (Supervisor); Henriksen, Ulrik Birk (Supervisor).

    2008. 80 p.

    Publication: Research › Ph.d. thesis – Annual report year: 2008

  32. Published

    Char reactivity of different kind of BIOMASS pellets under overheated steam gasification conditions. / Gomez, A; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: Char reactivity of different kind of BIOMASS pellets under overheated steam gasification conditions. 2008. p. VP2.2.26.

    Publication: Research › Article in proceedings – Annual report year: 2008

  33. Published

    Fundamental understading of pelletization : EFP-2005 project (33031-037). Summary report. / Henriksen, Ulrik Birk; Holm, Jens Kai; Simonsen, Peter; Berg, Mogens; Posselt, Dorthe; Nikolaisen, Lars; Plackett, David; Møller, Jette Dahl.

    2008. 51 p.

    Publication: Research › Report – Annual report year: 2008

  34. 2007
  35. Published

    Optimering af Lav Temperatur Cirkulerende Fluid Bed forgasningsprocessen til biomasse med højt askeindhold. / Nielsen, Rasmus Glar; Qvale, Einar Bjørn (Supervisor); Henriksen, Ulrik Birk (Supervisor); Stoholm, Peder Christian (Supervisor).

    2007. 284 p.

    Publication: Research › Ph.d. thesis – Annual report year: 2007

  36. Published

    Disintegration of beech wood char during thermal conversion. / Hindsgaul, Claus; Qvale, Einar Bjørn (Supervisor); Henriksen, Ulrik Birk (Supervisor); Jensen, Anker Degn (Supervisor).

    2007. 196 p.

    Publication: Research › Ph.d. thesis – Annual report year: 2007

  37. Published

    Experimental Verification of Novel Pellet Model Using a Single Pelleter Unit. / Holm, Jens Kai; Henriksen, Ulrik Birk; Wand, Kim; Hustad, Johan Einar; Posselt, Dorthe.

    In: Energy & Fuels, Vol. 21, No. 4, 2007, p. 2446-2449.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  38. Published

    High temperature electrolyte supported Ni-GDC/YSZ/LSM SOFC operation on two-stage Viking gasifier product gas. / Hofmann, P.; Schweiger, A.; Fryda, L.; Panopoulos, K.D.; Hohenwarter, U.; Bentzen, Jens Dall; Ouweltjes, J.P.; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Kakaras, E.

    In: Journal of Power Sources, Vol. 173, No. 1, 2007, p. 357-366.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  39. Published

    Numerical investigation of the partial oxidation in a two-stage downdraft gasifyer. / Gerun, Luc; Paraschiv, Maria; Vijeu, Razvan; Bellettre, Jerome; Tazerout, Mohand; Gøbel, Benny; Henriksen, Ulrik Birk.

    In: Fuel, 2007.

    Publication: Research - peer-review › Journal article – Annual report year: 2007

  40. 2006
  41. Published

    Come Giungere ad una comprensione basilare del processe de pellettizzazione. / Holm, Jens Kai; Henriksen, Ulrik Birk; Posselt, Dorthe.

    In: Legno Energia, Vol. 1, 2006, p. 44-45.

    Publication: Research › Journal article – Annual report year: 2006

  42. Published

    Devolatilization characteristics of large particles of tyre rubber under combustion conditions. / Larsen, Morten Boberg; Schultz, Lars; Glarborg, Peter; Skaarup-Jensen, Lars; Dam-Johansen, Kim; Frandsen, Flemming; Henriksen, Ulrik Birk.

    In: Fuel, Vol. 85, No. 10-11, 2006, p. 1335-1345.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  43. Published

    Flash Pyrolysis of Additivated Biomass. / Holm, Jens Kai; Henriksen, Ulrik Birk; Sørensen, Lasse Holst; Egsgaard, Helge.

    Kgs. Lyngby : Danmarks Tekniske Universitet, 2006.

    Publication: Research › Report – Annual report year: 2006

  44. Published

    Investigation of the Anisotropic Behavior of Wood Char Particles during Gasification. / Henriksen, Ulrik Birk; Hindsgaul, Claus; Qvale, Einar Bjørn; Fjellerup, Jan Søren; Jensen, Anker Degn.

    In: Energy & Fuels, Vol. 20, No. 5, 2006, p. 2233-2238.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  45. Published

    The design, construction and operation of a 75kW two-stage gasifier. / Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Jensen, Torben Kvist; Gøbel, Benny; Bentzen, Jens Dall; Hindsgaul, Claus; Sørensen, Lasse Holst.

    In: Energy, Vol. 31, No. 10-11, 2006, p. 1542-1553.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  46. Published

    The development of a computer model for a fixed bed gasifier and its use for optimization and control. / Henriksen, Ulrik Birk; Gøbel, Benny; Jensen, Torben Kvist; Qvale, Einar Bjørn; Houbak, Niels.

    In: Bioresource Technology, Vol. 98, No. 10, 2006, p. 2043-2052.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  47. Published

    The influence of Corrosion and sintering reducing additives on volatile release, char conversion, char reactivity and ignition properties of biomass dust. / Holm, Jens Kai; Henriksen, Ulrik Birk; Hustad, Johan Einar; Sørensen, Lasse Holst.

    Kgs. Lyngby : Danmarks Tekniske Universitet, 2006.

    Publication: Research › Report – Annual report year: 2006

  48. Published

    The Influence of Sulfur on Natural Gas Combustion. / Andersen, Jimmy; Glarborg, Peter; Lin, Weigang; Bruni, Emiliano; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    2006. Poster session presented at 31st International Symposium on Combustion, Heidelberg, Germany.

    Publication: Research › Poster – Annual report year: 2006

  49. Published

    Toward an Understanding of Controlling Parameters in Softwood and hardwood Pellets Production. / Holm, Jens Kai; Henriksen, Ulrik Birk; Hustad, Johan Einar; Sørensen, Lasse Holst.

    In: Energy & Fuels, Vol. 20, No. 6, 2006, p. 2686-2694.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  50. Published

    Validation of Continuous CHP Operation of a Two-Stage Biomass Gasifier. / Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Jensen, Torben Kvist; Gøbel, Benny; Wiese, Lars; Kather, Alphons; Egsgaard, Helge.

    In: Energy and Fuels, 2006.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  51. 2005
  52. Published

    Afklaring af LT-CFB forgasser til kraftværksmæssig anvendelser, samt bygning af 500 kW anlæg. / Nielsen, Rasmus Glar; Henriksen, Ulrik Birk; Stoholm, Peder; Krogh, Jørn; Richard, Kai; Sander, Bo; Wolff, Lars; Hansen, Martin Wittrup; Noes, Jesper.

    DTU, 2005. 123 p.

    Publication: Communication › Report – Annual report year: 2005

  53. Published

    Experimental characterisation of residual-tar in wood char. / Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Gøbel, Benny; Fjellerup, Jan Søren.

    Lyngby : DTU-MEK, 2005. 20 p. (MEK-ET-2005-06).

    Publication: Research › Report – Annual report year: 2005

  54. Published

    Formation, Decomposition and Cracking of Biomass Tars in Gasification. / Fjellerup, Jan; Ahrenfeldt, Jesper; Henriksen, Ulrik; Gøbel, Benny.

    Kgs.Lyngby : Department of Mechanical Engineering, 2005. 60 p.

    Publication: Research › Report – Annual report year: 2005

  55. Published

    Fundamentals of biomass pellet production. / Holm, Jens Kai; Henriksen, Ulrik Birk; Hustad, Johan Einar; Sørensen, Lasse Holst.

    2005. Poster session presented at 14th European Biomass Conference, Paris, France.

    Publication: Research › Poster – Annual report year: 2005

  56. Published

    Fundamentals of Biomass pellet production. / Holm, Jens Kai; Henriksen, Ulrik Birk; Hustad, Johan Einar; Sørensen, Lasse Holst.

    2005.

    Publication: Research › Report – Annual report year: 2005

  57. Published

    Investigation of Continuous Gas Engine CHP Operation on Biomass Producer Gas. / Ahrenfeldt, Jesper; Jensen, Torben Kvist; Henriksen, Ulrik Birk; Schramm, Jesper.

    In: S A E Transactions, Vol. 114, No. 4, 2005, p. 1464-1475.

    Publication: Research - peer-review › Journal article – Annual report year: 2006

  58. Published

    Investigation of Continuous Gas Engine CHP Operation on Biomass Producer Gas. / Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Jensen, Torben Kvist; Schramm, Jesper.

    In: Proceedings of Powertrain & Fluid Systems Conference & Exhibition: SAE Technical Paper. 2005. p. 2005-01-3778.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2005

  59. Published

    Langtidsforsøg med totrinsforgasseren "Viking". / Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Bentzen, Jens Dall.

    Kgs.Lyngby : Institut for Mekanik, Energi og Konstruktion, 2005. 59 p. (MEK-ET-2005-07).

    Publication: Research › Report – Annual report year: 2005

  60. Published

    Pyrolysis of Pine Wood : Experiments and Theory. / Fjellerup, Jan Søren; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    In: European Biomass Conference & Exhibition, Biomass for Energy, Industry and Climate Protection. Paris, 2005.

    Publication: Research › Article in proceedings – Annual report year: 2005

  61. Published

    Pyrolysis of thermally thick wood particles – experiments and mathematical modelling. / Andersen, Stig Møller; Pedersen, Søren Thåning; Gøbel, Benny; Houbak, Niels; Henriksen, Ulrik Birk; Bentzen, Jens D.

    In: Proceedings of the 18th International Conference on Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems. ed. / Signe Kjelstrup. Vol. Vol 3 1.ed. Trondheim, Norway : Dept. of Chemistry, NTNU, Norway, 2005.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2005

  62. Published

    Termisk forgasning af biomasse : Sammenfatning af aktiviteter på DTU. / Henriksen, Ulrik Birk; Qvale, Einar Bjørn (Supervisor); Houbak, Niels (Supervisor).

    2005. 134 p. (MEK-ET-PhD-2004-01).

    Publication: Research › Ph.d. thesis – Annual report year: 2005

  63. Published

    The LT-CFB gasifier : First test results from the 500 kW test plant. / Nielsen, Rasmus Glar; Stoholm, Peder; Nielsen, Mads Brix; Nørholm, Nanna; Antonsen, Simon; Sander, Bo; Krogh, Jørn; Henriksen, Ulrik Birk; Qvale, Einar Bjørn.

    In: Biomass for energy, industry and climate protection. 2005.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2005

  64. Published

    THE LT-CFB GASIFIER – FIRST TEST RESULTS FROM THE 500 KW TEST PLANT. / Nielsen, Rasmus Glar; Stoholm, Peder; Nielsen, Mads Brix; Krogh, Jørn; Nørholm, Nanna; Antonsen, Simon; Sander, Bo; Henriksen, Ulrik Birk; Qvale, Einar Bjørn.

    In: THE LT-CFB GASIFIER – FIRST TEST RESULTS FROM THE 500 KW TEST PLANT. 2005.

    Publication: Research › Article in proceedings – Annual report year: 2005

  65. Published

    The thermal history of char as disclosed by carbon isotope ratios. / Egsgaard, Helge; Ambus, Per; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    2005. Poster session presented at 14th European Biomass Conference, Paris, France.

    Publication: Research › Poster – Annual report year: 2005

  66. Published

    Time resolved pyrolysis of char. / Egsgaard, Helge; Ahrenfeldt, Jesper; Henriksen, Ulrik Birk.

    2005. Poster session presented at 14th European Biomass Conference, Paris, France.

    Publication: Research › Poster – Annual report year: 2005

  67. 2004
  68. Published

    CO Emissions from Gas Engines Operating on Biomass Producer Gas. / Ahrenfeldt, Jesper; Jensen, T. K.; Henriksen, Ulrik Birk; Gøbel, Benny; Schramm, Jesper.

    In: Procedings of 2. World Conference and Technology Exhibition on Biomass for Energy and Industry. ed. / W.P.M. van Swaaij; T. Fjällström; P. Helm; A. Grassi. Rome, Italy, 2004.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2004

  69. Published

    Eksperimentel undersøgelse af Viking-forgasserens ildfaste materiale. / Sørensen, Lasse Holst; Henriksen, Ulrik Birk; Frei, Dirk; Bentzen, Jens Dall.

    Roskilde, 2004. 24 p. (ReaTech-2004-1).

    Publication: Research › Report – Annual report year: 2004

  70. Published

    Forgasning af biomasse : Aktiviteter under Biomasseforgasningsgruppen. / Henriksen, Ulrik Birk.

    Kgs.Lyngby : Institut for Mekanisk Teknologi, 2004. 123 p. (MEK-ET-2004-01).

    Publication: Research › Report – Annual report year: 2004

  71. Published

    Status - 2000 Hours of Operation with the Viking Gasifier. / Gøbel, Benny; Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Jensen, T.K.; Hindsgaul, Claus; Bentzen, J.D.; Sørensen, L.H.

    In: Procedings of 2nd World Conference and Technology Exhibition on Biomass for Energy and Industry. ed. / WPM van Swaaij; T. Fjällström; P. ¨Helm; A. Grassi. Rome : ETA-Florence & WIP-Munich, 2004.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2004

  72. Published

    The Joint Project – Straw Combustion on a Grate, Physical, Chemical and Reaction Kinetic Data for Grate Modeling. / Lang, Todd; Dam-Johansen, Kim; Garrijo, Elena; Glarborg, Peter; Grotkjær, Thomas; Jensen, Anker; Jensen, Peter Arendt; Johnsson, Jan Erik; Kavalauskas, Andrius; Knudsen, Jacob Nygaard; Pedersen, Kristine B.; Zhou, Haosheng; Fjellerup, Jan Søren; Henriksen, Ulrik Birk.

    2004. 150 p.

    Publication: Research - peer-review › Report – Annual report year: 2004

  73. Published

    The Low Temperature CFB Gasifier : Latest 50 KW Test Results and New 500 KW Plant. / Stoholm, P.; Nielsen, Rasmus Glar; Richardt, K.; Sander, B.; Henriksen, Ulrik Birk; Qvale, Einar Bjørn; Gurbuz, S.; Brix, M.; Hansen, M.W.; Wolff, L.

    In: Procedings of 2. World Conference and Technology Exhibition on Biomass for Energy and Industry. ed. / WPM van Swaaij; T. Fjällström; P. Helm; A. Grassi. Rome : ETA-Florence & WIP-Munich, 2004.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2004

  74. Published

    Upscale of the Two-Stage Gasification Process. / Bentzen, J.D.; Hummelshøj, R.; Henriksen, Ulrik Birk; Gøbel, Benny; Ahrenfeldt, Jesper; Elmegaard, Brian.

    In: Procedings of 2. World Conference and Technology Exhibition on Biomass for Energy and Industry. ed. / W.P.M. van Swaaij; T. Fjällström; P. Helm; A. Grassi. Rome : Florence & WIP-Munich, 2004.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2004

  75. 2003
  76. Published

    Calcium addition in straw gasification. / Risnes, H.; Fjellerup, Jan Søren; Henriksen, Ulrik Birk; Moilanen, A.; Norby, P.; Papadakis, K.; Posselt, D.; Sørensen, L. H.

    In: Fuel, Vol. 82, 2003, p. 641-651.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  77. Published

    CO and PAH Emissions from Engines Operating on Biomass Producer Gas. / Ahrenfeldt, Jesper; Jensen, Torben Kvist; Henriksen, Ulrik Birk; Gøbel, Benny.

    In: MEK, DTU. 2003.

    Publication: Research › Article in proceedings – Annual report year: 2003

  78. Published

    Combustion Chamber Deposits and PAH Formation in SI Engines Fueled by Producer Gas from Biomass Gasification. / Ahrenfeldt, Jesper; Henriksen, Ulrik Birk; Schramm, Jesper; Jensen, Torben Kvist; Egsgaard, H.

    In: Collection of SAE technical papers, SAE 2003-01-1770; JSAE 20030328. Warrendale, PA : Society of Automotive Engineers, 2003.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2003

  79. Published

    Forgasning af halmpiller i Totrinsforgasser, 2001 : Forundersøgelser. Forsøgsforløb. Resultater. / Bentzen, Jens Dall; Henriksen, Ulrik Birk; Hindsgaul, Claus; Ahrenfeldt, Jesper; Gøbel, Benny; Sørensen, Lasse Holst.

    Lyngby : DTU Mekanik, 2003. 53 p. (MEK-ET-ES; No. 2003-02).

    Publication: Research › Report – Annual report year: 2003

  80. Published

    Heat Transfer in a Fixed Bed of Straw Char. / Fjellerup, Jan Søren; Henriksen, Ulrik Birk; Jensen, Anker; Jensen, Peter Arendt; Glarborg, Peter.

    In: Energy & Fuels, Vol. 17, No. 5, 2003, p. 1251-1258.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  81. Published

    Modeling of flow conditions in down draft gasifiers using tin film models. / Jensen, Torben Kvist; Gøbel, Benny; Henriksen, Ulrik Birk.

    In: Proceedings of The 16. International Conference of Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2003. Denmark : Technical University of Denmark, 2003. p. 1089-1095.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2003

  82. Published

    Modellering af strømningsforhold og kanaldannelse i fixed bed koksbed. / Jensen, Torben Kvist; Henriksen, Ulrik Birk; Gøbel, Benny; Bentzen, J. D.; Matlok, S.; Borch, C.

    In: MEK, DTU. 2003.

    Publication: Research › Article in proceedings – Annual report year: 2003

  83. Published

    Modelling the Low-Tar Big Gasification Concept. / Andersen, Lars; Elmegaard, Brian; Qvale, Einar Bjørn; Henriksen, Ulrik Birk; Bentzen, Jens Dall; Hummelshøj, Reto.

    In: Proceedings of The 16. International Conference of Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems. Vol. 2 DTU, Denmark : Technical University of Denmark, 2003. p. 1073-1079.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2003

  84. Published

    The Design, Construction and Operation of a 75 kW Two-Stage Gasifier. / Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Jensen, Torben Kvist; Gøbel, Benny; Bentzen, Jens Dall; Hindsgaul, Claus; Sørensen, Lasse Holst.

    In: The 16. International Conference of Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2003. DTU, Denmark : Technical University of Denmark, 2003. p. 1081-1088.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2003

  85. Published

    The Low temperature CFB gasifier : Latest 50 kW test results and new 500 kW test plant. / Stoholm, P.; Nielsen, Rasmus Glar; Fock, Martin W.; Jensen, Nina; Sander, Bo; Wolff, Lars; Richardt, Kai; Henriksen, Ulrik Birk.

    In: Proceedings of The 16t. International Conference of Efficiency, Cost, Optimization, Simulation, and Environmental Impact of Energy Systems, ECOS 2003. DTU, Denmark : Technical University of Denmark, 2003. p. 1113-1120.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2003

  86. Published

    Thermodynamic Analysis of Supplementary-Fired Gas Turbine Cycles. / Elmegaard, Brian; Henriksen, Ulrik Birk; Qvale, Einar Bjørn.

    In: International Journal of Thermodynamics, Vol. 6, No. 2, 2003, p. 85-92.

    Publication: Research - peer-review › Journal article – Annual report year: 2003

  87. 2002
  88. Published

    CHP from Updraft Gasifier and Stirling Engine. / Jensen, N.; Werling, J.; Carlsen, Henrik; Henriksen, Ulrik Birk.

    In: Proceedings of 12th European Biomass Conference. ETA-Florence & WIP-Munich, 2002. p. 726-729.

    Publication: Research › Article in proceedings – Annual report year: 2002

  89. Published

    Demonstration of the Vortex Process for Biomass Gasifiers. / Fock, Felicia; Henriksen, Ulrik Birk; Thomsen, K.

    In: Proceedings of the Twelfth European Biomass Conference. ETA-Florence & WIP-Munich, 2002. p. 670-676.

    Publication: Research › Article in proceedings – Annual report year: 2002

  90. Published

    Heat Transfer in a Fixed Biomass Char Bed. / Fjellerup, Jan Søren; Henriksen, Ulrik Birk; Glarborg, P.; Jensen, A.; Arendt, P.

    2002.

    Publication: Communication › Report – Annual report year: 2002

  91. Published

    High Performance Gasification with the Two-Stage Gasifier. / Gøbel, Benny; Hindsgaul, Claus; Henriksen, Ulrik Birk; Ahrenfeldt, Jesper; Fock, Felicia; Houbak, Niels; Qvale, Einar Bjørn.

    In: Proceedings of the 12. European Biomass Conference. ETA-Florence & WIP-Munich, 2002. p. 389-395.

    Publication: Research › Article in proceedings – Annual report year: 2002

  92. Published

    Low Temperature Particle Filtration of Wood Gas with Low Tar Content. / Hindsgaul, Claus; Henriksen, Ulrik Birk; Bentzen, Jens Dall.

    In: Proceedings of the 12. European Biomass Conference. ETA-Florence & WIP-Munich, 2002. p. 494-497.

    Publication: Research › Article in proceedings – Annual report year: 2002

  93. Published

    Modellering af strømningsforholdene i en koksbed vht. tyndfilmsmodeller. / Jensen, Torben Kvist; Henriksen, Ulrik Birk; Gøbel, Benny.

    2002. 62 p. (MEK-ET-2002-03).

    Publication: Research › Report – Annual report year: 2002

  94. Published

    Straw Gasification in a Two-Stage Gasifier. / Bentzen, Jens Dall; Hindsgaul, Claus; Henriksen, Ulrik Birk; Sørensen, L. H.

    In: Proceedings of the 12. European Biomass Conference. ETA-Florence & WIP-Munich, 2002.

    Publication: Research › Article in proceedings – Annual report year: 2002

  95. Published

    The Low Temperature CFB Gasifier - Further Test Results and Possible Applications. / Stoholm, P.; Nielsen, Rasmus Glar; Sarbæk, L.; Tobiasen, L.; Henriksen, Ulrik Birk; Fock, Martin Wittrup; Richardt, K.; Sander, B.; Wolff, L.

    In: Proceedings of the 12. European Biomass Conference. ETA-Florence & WIP-Munich, 2002. p. 706-709.

    Publication: Research › Article in proceedings – Annual report year: 2002

  96. Published

    Thermodynamic Analysis of Supplementary-Fired Gas Turbine Cycles. / Elmegaard, Brian; Henriksen, Ulrik Birk; Qvale, Einar Bjørn.

    In: Proceedings from the ECOS 2002 Conference. 2002. p. 829-836.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2002

  97. 2001
  98. Published

    Experiments with wood gas engines. / Ahrenfeldt, Jesper; Jensen, Torben Kvist; Henriksen, Ulrik Birk; Schramm, Jesper.

    In: SAE International Fall Fuels and Lubricants Meeting and Exhibition. SAE International, 2001.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2001

  99. Published

    Forenklede teoretiske betragtninger vedrørende tryktab og koksstruktur i fixed-bed forgasningsreaktorer. / Henriksen, Ulrik Birk.

    Lyngby : DTU Mekanik, 2001. 39 p. (MEK-ET-ES; No. 2001-03).

    Publication: Research › Report – Annual report year: 2001

  100. Published

    Static modelling and analysis of updraft gasifier for 35 kWel Stirling engine. / Jensen, N.; Werling, J.; Henriksen, Ulrik Birk; Carlsen, Henrik.

    In: Proceedings of 10th International Stirling Engine Conference. VDI-Geselshaft Energitechnik, 2001.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2001

  101. Published

    Tjæremålinger på totrinsforgasser uge 47 - 1999 : Afprøvning af SPA-metoden. / Brandt, Peder; Henriksen, Ulrik Birk; Hindsgaul, Claus.

    Lyngby : DTU Mekanik, 2001. 10 p. (MEK-ET-ES; No. 2001-02).

    Publication: Research › Report – Annual report year: 2001

  102. 2000
  103. Published

    An Evaluation of Char Reactivity and Ash Properties in Biomass Gasification : Fundamental Processes in Biomass Gasification. / Sørensen, Lasse Holst; Fjellerup, Jan Søren; Henriksen, Ulrik Birk; Moilanen, Antero; Winther, Erik.

    Roskilde : ReaTech, 2000. 115 p. (EFP-98 1383/98-0003).

    Publication: Research › Report – Annual report year: 2000

  104. Published

    Condensate from a two-stage gasifier. / Bentzen, Jens Dall; Henriksen, Ulrik Birk; Hindsgaul, Claus.

    In: Proceedings of 1. World Conference and Exhibition on Biomass for Energy and Industry. Sevilla, Spain, 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  105. Published

    Decomposition of tar in gas from updraft gasifier by thermal cracking. / Brandt, Peder; Henriksen, Ulrik Birk.

    In: Proceedings of 1. World Conference and Exhibition on Biomass for Energy and Industry. Seville, Spain, 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  106. Published

    Dynamic modelling of char gasification in a fixed-bed. / Gøbel, Benny; Henriksen, Ulrik Birk; Qvale, Einar Bjørn; Houbak, Niels.

    In: Proceedings of Progress in Thermochemical Biomass Conversion. Tyrol, Austria, 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  107. Published

    Evaluation of Gravimetric Tar Determination in Particle Samples. / Hindsgaul, Claus; Henriksen, Ulrik B.; Bentzen, Jens Dall.

    In: Evaluation of Gravimetric Tar Determination in Particle Samples. 2000.

    Publication: Research › Article in proceedings – Annual report year: 2000

  108. External

    Experimentals on Wood Gas Engine. / Ahrenfeldt, Jesper; Pedersen, Troels; Henriksen, Ulrik Birk; Schramm, Jesper.

    ET_SE 2000-04 ed. Copenhagen : Technical University of Denmark, 2000.

    Publication: Research › Report – Annual report year: 2000

  109. Published

    Ford VSG 411 fueled by producer gas from a two-stage gassifier. / Ahrenfeldt, Jesper; Pedersen, Troels Hørding; Henriksen, Ulrik Birk; Schramm, Jesper.

    In: Biomass for Energy and Industy - Proceedings. 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  110. Published

    High tar reduction in a two-stage gasifier. / Brandt, P.; Larsen, Elfinn; Henriksen, Ulrik Birk.

    In: Energy & Fuels, Vol. 14, No. 4, 2000, p. 816-819.

    Publication: Research - peer-review › Journal article – Annual report year: 2000

  111. Published

    Low tar and high efficient gasification concept. / Bentzen, Jens Dall; Elmegaard, Brian; Henriksen, Ulrik Birk.

    In: Proceedings of ECOS 2000. Twente, Nederlands, 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  112. Published

    Low temperature CFB gasifier conceptual ideas, applications and first test results. / Stoholm, Peder; Nielsen, Rasmus Glar; Nygaard, Henrik; Tobiasen, Lasse; Fock, Martin W.; Richardt, Kai; Henriksen, Ulrik Birk.

    In: Biomass for Energy and Industry. 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

  113. Published

    Medium and large-scale low tar and high efficient gasification. / Bentzen, Jens Dall; Hummelshøj, Reto; Henriksen, Ulrik Birk; Elmegaard, Brian.

    In: Biomass for Energy and Industry. 2000.

    Publication: Research - peer-review › Article in proceedings – Annual report year: 2000

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