Henrik Holmberg

Senior University Lecturer

Research outputs

  1. 2020
  2. Published

    Economic Evaluation of Drying of Soot Sludge and Sawdust Mixture at Low Temperatures Using the Characteristic Drying Curve Method

    Myllymaa, T., Holmberg, H. & Ahtila, P., 2020, In : ChemEngineering. 4, 1, 17 p.

    Research output: Contribution to journalArticleScientificpeer-review

  3. 2019
  4. Published
  5. 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

  6. 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

  7. 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

  8. 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

  9. 2018
  10. 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

  11. 2017
  12. 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

  13. 2015
  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 2014
  22. 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

  23. Published
  24. 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

  25. 2013
  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 2012
  32. 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

  33. 2011
  34. 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

  35. 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

  36. 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

  37. 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

  38. Published
  39. 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

  40. 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

  41. 2010
  42. 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

  43. 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

  44. 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

  45. Published

    Papermaking, Part 2, Drying Book 9

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

    Research output: Book/ReportBookScientificpeer-review

  46. 2009
  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 2008
  53. 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: Czech Society of Chemical Engineering, p. 1317-1318

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

  54. 2007
  55. 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

  56. 2006
  57. 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

  58. 2005
  59. 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

  60. 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

  61. 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

  62. 2004
  63. 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

  64. 2003
  65. Published
  66. 2002
  67. 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

  68. 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

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