Henrik Holmberg

Senior University Lecturer

Research outputs

  1. 2019
  2. Published
  3. Published

    Energy analysis of algae-to-biofuel production chains integrated with a combined heat and power plant

    Kouhia, M., Holmberg, H., Sonck, M. & Ahtila, P., 4 Jul 2019, In : INTERNATIONAL JOURNAL OF SUSTAINABLE ENGINEERING. 12, 4, p. 281-290 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  4. Published

    District heat network as a short-term energy storage

    Kouhia, M., Laukkanen, T., Holmberg, H. & Ahtila, P., 15 Jun 2019, In : Energy (the International Journal). 177, June, p. 293-303 11 p.

    Research output: Contribution to journalArticleScientificpeer-review

  5. Published

    Evaluation of design objectives in district heating system design

    Kouhia, M., Laukkanen, T., Holmberg, H. & Ahtila, P., 15 Jan 2019, In : Energy. 167, p. 369-378 10 p.

    Research output: Contribution to journalArticleScientificpeer-review

  6. Published

    Exergetic performance analysis of heat pumps: two alternative approaches

    Holmberg, H. & Laukkanen, T., 2019, In : International Journal of Exergy. 30, 2, p. 182-199

    Research output: Contribution to journalArticleScientificpeer-review

  7. 2018
  8. Published

    Techno-economic evaluation of biomass drying in moving beds: The effect of drying kinetics on drying costs

    Myllymaa, T., Holmberg, H. & Ahtila, P., 11 Sep 2018, In : Drying Technology . p. 1-14 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

  9. 2017
  10. Published

    Can bacterial biofiltration be replaced by autotrophic organisms in recirculating fresh water aquaculture?

    Ojanen, S., Tyystjärvi, E., Holmberg, H., Kouhia, M. & Ahtila, P., Aug 2017, In : AQUACULTURE INTERNATIONAL. 25, 4, p. 1427-1440 14 p.

    Research output: Contribution to journalArticleScientificpeer-review

  11. 2015
  12. Published

    Comparison of Indirect CO2-emissions of Different Renewable Transport Fuels

    Holmberg, H., Siitonen, S., Laukkanen, T., Tuomaala, M. & Niskanen, T., 2015, In : Energy Procedia. 72, p. 19-26

    Research output: Contribution to journalArticleScientificpeer-review

  13. Published

    Economic Analysis of Soot Sludge Drying at Low Temperatures at a Combined Heat and Power Plant

    Myllymaa, T., Holmberg, H., Laukkanen, T. & Ahtila, P., 2015, First Nordic Baltic Drying Conference, Gdansk, Poland, June 17-19, 2015. Goncharova-Alves, S. & Alves-Filho, O. (eds.). Trondheim: Norwegian University of Science and Technology

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  14. Published

    Energy analysis of algae-to-biofuel production chains integrated with a combined heat and power plant

    Kouhia, M., Holmberg, H., Sonck, M. & Ahtila, P., 2015, 23rd European Biomass Conference & Exhibition, Algae Event 2015, Vienna, 2nd June 2015. ETA Florence

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  15. Published

    Microalgae-utilizing biorefinery concept for pulp and paper industry: Converting secondary streams into value-added products

    Kouhia, M., Holmberg, H. & Ahtila, P., 2015, In : ALGAL RESEARCH. 10, p. 41-47

    Research output: Contribution to journalArticleScientificpeer-review

  16. Published

    Porous membrane as a means of gas and nutrient exchange in a tubular photobioreactor

    Ojanen, S., Tyystjärvi, E., Holmberg, H. & Ahtila, P., 2015, In : JOURNAL OF APPLIED PHYCOLOGY. 27, 3, p. 1169-1175

    Research output: Contribution to journalArticleScientificpeer-review

  17. Published

    Upgrading of soot sludge from waste to fuel by means of low temperature drying in fixed beds

    Myllymaa, T., Holmberg, H., Arhippainen, P. & Ahtila, P., 2015, In : Fuel Processing Technology. 138, p. 509-519

    Research output: Contribution to journalArticleScientificpeer-review

  18. Published

    Wood Chip Drying in Fixed Beds: Drying Kinetics and Economics of Drying at a Municipal Combined Heat and Power Plant Site

    Myllymaa, T., Holmberg, H., Hillamo, H., Laajalehto, T. & Ahtila, P., 2015, In : Drying Technology. 33, 2, p. 205-215

    Research output: Contribution to journalArticleScientificpeer-review

  19. 2014
  20. Published

    Minimization of total drying costs for a continuous packed-bed biomass dryer operating at an integrated chemical pulp and paper mill

    Holmberg, H., Isaksson, J. & Lahdelma, R., Dec 2014, In : Biomass and Bioenergy. 71, p. 431-442 12 p.

    Research output: Contribution to journalArticleScientificpeer-review

  21. Published
  22. Published

    Wood chip drying in connection with combined heat and power or solar energy in Finland

    Rinne, S., Holmberg, H., Myllymaa, T., Kontu, K. & Syri, S., 2014, E2C 2013 - 3rd European Energy Conference. Sarkadi, L., Kroó, N., Armaroli, N., Ongena, J., McEvoy, A. & Fülöp, Z. (eds.). EDP SCIENCES, p. 1-9 03008. (EPJ Web of Conferences ; vol. 79).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  23. 2013
  24. Published

    An Experimental Study on Drying of Forest Residues in a Packed-bed Dryer

    Holmberg, H., Järvinen, T., Hillamo, H. & Ahtila, P., 2013, 6th Nordic Drying Conference, Copenhagen, Denmark June 5-7, 2013. Goncharova-Alves, S., Alves-Filho, O. & Eikevik, T. M. (eds.). Copenhagen; Trondheim: Danish Technological Institute, Norwegian University of Science and Technology (NTNU), p. 000-000

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  25. Published

    ENERGY EFFICIENCY IN BIOREFINERIES - A CASE STUDY OF FISCHER-TROPSCH DIESEL PRODUCTION IN CONNECTION WITH A PULP AND PAPER MILL

    Haikonen, T., Tuomaala, M., Holmberg, H. & Ahtila, P., 2013, In : Pulp and Paper: Canada. 114, 2, p. 23-27

    Research output: Contribution to journalArticleScientificpeer-review

  26. Published

    EVALUATING MUNICIPAL ENERGY EFFICIENCY IN BIOREFINERY INTEGRATION

    Haikonen, T., Tuomaala, M., Holmberg, H. & Ahtila, P., 2013, In : Energy. 63, p. 260-267

    Research output: Contribution to journalArticleScientificpeer-review

  27. Published

    MICROALGAL BIOREFINERIES USING ANAEROBIC DIGESTION AND CLOSED PHOTOBIOREACTORS: FINNISH STRATEGIES

    Suominen, K. E. H., Ojanen, S., Hillamo, H., Holmberg, H. & Ahtila, P., 2013, ICCE (International Conference on Clean Energy), Ottawa, Canada. 9-11th September 2013. Aminian, H. (ed.). Canada: ICCE, p. 119-130

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  28. Published

    Theoretical Potential to Convert Excess Heat into Mechanical Work in the Finnish Industry

    Järvinen, T., Holmberg, H. & Ahtila, P., 2013, Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES '13, Rhodes, Greece, 29.9-2.10.2013. Pierucci, S. & Klemeš, J. (eds.). p. 253-258

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  29. 2012
  30. Published

    Experiences with new veneer drying method

    Paajanen, O., Holmberg, H., Lahti, P. & Kairi, M., 2012, In : International Wood Products Journal. 3, 1, p. 26-30

    Research output: Contribution to journalArticleScientific

  31. 2011
  32. Published

    Allocation of fuel costs and CO2-emissions to heat and power in an industrial CHP plant: Case integrated pulp and paper mil

    Holmberg, H., Tuomaala, M., Haikonen, T. & Ahtila, P., 2011, In : Applied Energy. 93, xx, p. 614-623

    Research output: Contribution to journalArticleScientificpeer-review

  33. Published

    Allocation of Fuel Costs to Heat and Power in an Integrated Production of Pulp, Paper and Biodiesel

    Holmberg, H., Tuomaala, M., Haikonen, T. & Ahtila, P., 2011, Paperweek Canada, Montreal, 1-3.2.2011. Montreal, Kanada: Pulp and Paper Technical Association of Canada

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  34. Published

    An experimental study on drying of bark-sludge mixture in a fixed bed at low temperature

    Holmberg, H., Ahtila, O. & Ahtila, P., 2011, The 5th Nordic Drying Conference Held in Espoo, Finland on June 20-21, 2011. Eikevik, T. M., Odilio, A-F. & Concharova-Alves, S. (eds.). Norge: Norwegian University of Science and Technology, Aalto University, Åbo Akademi

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  35. Published

    Energy Efficiency in Biorefineries - A Case Study FT Diesel Production in Connection with P&P Mill

    Haikonen, T., Tuomaala, M., Holmberg, H. & Ahtila, P., 2011, Paperweek Canada, Montreal, 1-3.2.2011. Montreal, Kanada: Pulp and Paper Technical Association of Canada, p. 144-147

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientific

  36. Published
  37. Published

    Experiences with a new veneer drying method

    Paajanen, O., Holmberg, H., Lahti, P. & Kairi, M., 2011, International Panel Products Symposium 2011. Llandudno, Wales, U.K. 5-6 October 2011. Spear, M. (ed.). Biocomposites Centre, Bangor University, Gwynedd, UK, p. 217

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  38. Published

    Experimental study on drying of bark in fixed beds

    Holmberg, H., Ahtila, O. & Ahtila, P., 2011, In : Drying Technology. 29, 8, p. 953-960

    Research output: Contribution to journalArticleScientificpeer-review

  39. 2010
  40. Published

    Application of the effective heat absorbing and emitting temperature to determining power losses of industrial processes

    Holmberg, H., Ruohonen, P. & Federley, J., 2010, 23rd International Conference on Efficiency, Cost, Optimization, Simulation and Environmental Impact of Energy System, Lausanne, Sveitsi 14 june-17.2010. Lausanne Sveitsi

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  41. Published

    Estimating the value of energy saving in industry by different cost allocation methods

    Siitonen, S. & Holmberg, H., 2010, In : International Journal of Energy Research. 36, 3, p. 324-334

    Research output: Contribution to journalArticleScientificpeer-review

  42. Published

    Introducing a new method of veneer drying

    Holmberg, H., Lahti, P. & Paajanen, O., 2010, 11th International IUFRO Wood Drying Conference, Recent Advances in the Field of Wood Drying, Skellefteå, Sweden, January, 18 - 22, 2010.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  43. Published

    Papermaking, Part 2, Drying Book 9

    Holmberg, H., Tuomaala, M. & Ahtila, P., 2010

    Research output: Book/ReportBook

  44. 2009
  45. Published

    An experimental study on drying times in a contact drying of neneer

    Holmberg, H., Lahti, P., Paajanen, O. & Ahtila, P., 2009, 8th World Conferess of Chemical Engineering August 23-27.2009, Montreal, Quebec, Canada. Montreal Canada: Ecole Polytechnique de Montreal

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  46. Published

    Determination of the Real Loss of Power for a Condensing and a Backpressure Turbine by Means of Second Law Analysis

    Holmberg, H., Ruohonen, P. & Ahtila, P., 2009, In : Entropy. 11, p. 702-712

    Research output: Contribution to journalArticleScientificpeer-review

  47. Published

    Determination of the real power loss for a steam turbine

    Holmberg, H., Ruohonen, P. & Ahtila, P., 2009, Pres 09, Rooma, 10. -13.5.2009. Klemes, J. (ed.). Milano, Italy: AIDIC Servizi S.r.l., p. 379-390

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  48. Published

    Enthalpy of formation as part of energy efficiency analyses case: olefin plant

    Tuomaala, M., Holmberg, H., Auvinen, H. & Ahtila, P., 2009, PRES'09, Rooma, 10.-13.5.2009. Klemes, J. (ed.). Milano, Italy: AIDIC Servizi S.r.l., p. 543-

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  49. Published

    Valuating Heat Conservation in Industry by Cost Allocation

    Siitonen, S., Holmberg, H. & Ahtila, P., 2009, Global Conference on Global Warming 2009 (GCGW-09), July 5-9. 2009, Grand Cevahir Hotel, Istanbul, Turkey. Istanbul, Turkey

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  50. 2008
  51. Published

    Evaluation of energy efficiency in direct steam and air drying systems

    Holmberg, H. & Ahtila, P., 2008, Pres 2008, Praha, 24-28.8.2008. Klemes Jiri, S. P. (ed.). Praha: Chech socuety of chemical engineering, p. 1317-1318

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  52. 2007
  53. Published

    Energy Efficiency in biorefinerier - A Case Study of FT Diesel Production in Connection with P&P Mill

    Haikonen, T., Holmberg, H. & Ahtila, P., 2007, The 6th Biennial Johan Gullichsen Colloquium, Dipoli Espoo 15.11.2007. Espoo: Finnish Paper Engineers´Association, p. 93-103

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  54. 2006
  55. Published

    Simulation Model for the Model-Based Control of a Biofuel Dryer at an Industrial Combined Heat and Power Plant

    Holmberg, H. & Ahtila, P., 2006, In : Drying Technology. 24, 12, p. 1547-1557

    Research output: Contribution to journalArticleScientificpeer-review

  56. 2005
  57. Published

    A New method to evaluate integrated process design - case biomass drying using a plant´s available heat sources

    Tuomaala, M., Holmberg, H., Ahtila, P. & Hurme, M., 2005, 3rd Nordic Drying Conference, June 15-17, 2005 Karlstad, Sweden.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  58. Published

    Evaluation of energy efficiency in biofuel drying by means of energy and energy analyses

    Holmberg, H. & Ahtila, P., 2005, In : Applied Thermal Engineering. 25, 2005, p. 3115-3128

    Research output: Contribution to journalArticleScientificpeer-review

  59. Published

    Optimization of the bark drying process in combined heat and power production of pulp and paper mill

    Holmberg, H. & Ahtila, P., 2005, 3rd Nordic Drying Conference, June 15-17, 2005 Karlstad, Sweden.

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  60. 2004
  61. Published

    Comparison of drying costs in biofuel drying between multi-stage and single-stage drying

    Holmberg, H. & Ahtila, P., 2004, In : Biomass & Bioenergy. 6, 26, p. 515-530

    Research output: Contribution to journalArticleScientificpeer-review

  62. 2003
  63. Published
  64. 2002
  65. Published

    Adjusting of temperature levels in multi stage drying system by means of outlet air measurements

    Holmberg, H. & Ahtila, P., 2002, 1st International Conference on Sustainable Energy Technologies, Porto, Portugal, June 12-14 2002. Oliveira, A., Afonso, C. & Riffat, S. (eds.). Porto, Portugali: University of Porto, Faculty of Engineering; University of Nottingham, p. s. EES1-5

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  66. Published

    Drying phenomena in a fixed bed under by fuel multi stage drying

    Holmberg, H. & Ahtila, P., 2002, 1st International Conference on Sustainable Energy Technologies, Porto, Portugal, June 12-14 2002. Oliveira, A., Afonso, C. & Riffat, S. (eds.). Porto, Portugali: University of Porto, Faculty of Engineering; University of Nottingham, p. s. EES6-11

    Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

  67. 2000
  68. Published

    Sekundäärilämpöjen hyödyntäminen metsäteollisuuden käyttämien kiinteiden biopolttoaineiden kuivauksessa

    Holmberg, H., Ahtila, P., Arhippainen, P. & Spets, J-P., 2000, Espoo, p. 103, (TKK-EVO-A7).

    Research output: Working paperProfessional

ID: 52845