Research groups
Areas of responsibility
Education & training
Cand.agro. Royal Veterinary and Agricultural University (now University of Copenhagen), 1983. Thesis title: "The use of gas scrubbers for heat extraction from straw furnaces. Commission of the European Communities report EUR 9823 EN ";
Ph.D. Agricultural Engineering, Royal Veterinary and Agricultural University (now University of Copenhagen), 1986. Thesis title: "Straw furnace for flue gas scrubber". Institute of Agricultural Engineering, Royal Veterinary and Agricultural University, Report number 57. ISSN: 0106-8237;
Employment
- Research assistant, Institute of Agricultural Engineering, Royal Veterinary and Agricultural University, Copenhagen, 1981-1983;
- Development engineer, Faust A/S, Vesterfjordvej 2, Mou, DK-9280 Storvorde. (Faust is a manufacturer of furnaces for straw and wood chips), 1984;
- Ph.D. student, Royal Veterinary and Agricultural University. Copenhagen 1984-1986;
- Advisor, (machinery) Danish association of horticultural producers, Odense, 1986-1992
- Associate Professor, Faculty of engineering and science, University of Agder, Grimstad, 1992-2013
- Professor, Faculty of engineering and science, University of Agder, Grimstad, 2013-
Offices
- Head PhD Programme Committee Engineering, University of Agder
- Management committee Cost action: Network for forest by – products charcoal, resin, tar, Potash - EU-PoTaRCh
- 2018-2024 Council member: Norwegian Climate Foundation: Norsk klimastiftelse - Norges grønne tankesmie
Courses
- 2016: Klimagassutslipp av byggematerialer, del 1 & 2, arr. Sintef Byggforsk,
- 2012: BREEAM, LCC, EPD, FDV OG MILJØKOORDINATOR, arr. NAL.
- 2009: Bygningsfysikk i praksis, arr. NAL.
- 2007: Universitetspedagogikk, arr. Universitetet i Agder
PhD-projects previous and presently under supervision:
Main supervisor:
- Biomass composition and syngas quality in a CHP approach. Successfully defended 24 June 2016
- Design of biochar for selected smelting plant applications. Successfully defended 29 August 2019
- Production and Application of Sustainable Metallurgical Biochar Pellets. Successfully defended 7 September 2020.
- Digital Twin technology toward more sustainable buildings. Successfully defended 30 November 2023.
- CLT and indoor environment: monitoring, analysis, and optimization of indoor air quality in Solid Timber environments.
- Towards Highly Efficient Techniques for lndoor Air Pollutants Degradation.
- Wood Surfaces and Their Influence on Indoor Air Quality and Health in Care Centres
- Waste heat recovery on ships
Co-supervisor:
- Synthetic Esters in Hydraulic Valves. Successfully defended 3 June 2020
- Advanced Warehouse Energy Storage System Control Using Deep Supervised and Reinforcement Learning. Successfully defended 10 November 2023.
- Development of Hybrid Energy Storage System with two different types of Batteries
- Simulation and parameter optimization of fluidized-bed and biomass gasification (University of South-Eastern Norway). Successfully defended 27 April 2021.
- Waste as feed to a biomass gasification reactor (University of South-Eastern Norway)
Short video on my research
Research
Academic interests
Teaching:
- Applied building physics
- Heating systems and combustion
- Bioenergy
- Sustainable agriculture
R&D:
- Building physics and indoor air quality
- Biomass and bioenergy
- Energy crops
- Combustion and gasification
- Biooil and biochar
- Thermoelectric generators
Selected publications
1. Riva, Lorenzo; Surup, Gerrit Ralf; Buø, Therese Videm; Nielsen, Henrik Kofoed (2019). A study of densified biochar as carbon source in the silicon and ferrosilicon production. Energy. ISSN: 0360-5442. 181s 985 - 996. doi:10.1016/j.energy.2019.06.013.
2. Surup Gerrit, Vehus Tore, Eidem Per-Anders, Trubetskaya Anna, Nielsen Henrik Kofoed: Characterization of renewable reductants and charcoal-based pellets for the use in ferroalloy industries, Energy 167 (2019) 337-345 http://dx.doi.org/https://doi.org/10.1016/j.energy.2018.10.193
3. Surup Gerrit Ralf, Nielsen Henrik Kofoed, Heidelmann Markus, Trubetskaya Anna, Characterization and reactivity of charcoal from high temperature pyrolysis (800–1600 °C) (2019). Fuel 235: 1544 - 1554 doi: https://doi.org/10.1016/j.fuel.2018.08.092
4. Bandara, Janitha; Nielsen, Henrik Kofoed; Moldestad, Britt Margrethe Emilie; Eikeland, Marianne Sørflaten. Analysis and Effect of Simulation parameters of CPFD Simulation in Fluidized Beds (2018). Proceedings of The 59th Conference on Simulation and Modelling (SIMS 59) - Linköping Electronic Conference Proceedings (153): 334-341 http://dx.doi.org/10.3384/ecp18153334
5. Wang Liang, Skjevrak Geir, Skreiberg Øyvind, Wu Hongwei, Nielsen Henrik Kofoed, Hustad Johan Einar, Investigation on Ash Slagging Characteristics during Combustion of Biomass Pellets and Effect of Additives (2018). Energy & Fuels 21: 4442-4452. ISSN 0887-0624. http://dx.doi.org/10.1021/acs.energyfuels.7b03173
6. Liu Na, Nielsen Henrik Kofoed, Jørgensen Uffe, Lærke Poul Erik, Sampling procedure in a willow plantation for chemical elements important for biomass combustion quality (2015). Fuel. ISSN 0016-2361. 142 pp 283 - 288 http://dx.doi.org/10.1016/j.fuel.2014.11.020
7. Nielsen Henrik Kofoed, Lærke Poul Erik, Liu Na, Jørgensen Uffe, Sampling procedure in a willow plantation for estimation of moisture content (2015). Biomass and Bioenergy. ISSN 0961-9534. 78 pp 62 - 70 http://dx.doi.org/10.1016/j.biombioe.2015.03.028
8. Sarker Shiplu, Nielsen Henrik Kofoed, Preliminary fixed-bed downdraft gasification of birch woodchips (2015). International Journal of Environmental Science and Technology. ISSN 1735-1472. 12 (7), pp 2119 - 2126 http://dx.doi.org/10.1007/s13762-014-0618-8
9. Sarker Shiplu, Nielsen Henrik Kofoed, Assessing the gasification potential of five woodchips species by employing a lab-scale fixed-bed downdraft reactor (2015). Energy Conversion and Management .ISSN 0196-8904. 103 pp 801 – 813 http://dx.doi.org/10.1016/j.enconman.2015.07.022
10. Sarker Shiplu, Arauzo Jesus, Nielsen Henrik Kofoed, Semi-continuous feeding and gasification of alfalfa and wheat straw pellets in a lab-scale fluidized bed reactor (2015). Energy Conversion and Management. ISSN 0196-8904. 99 pp 50 - 61 http://dx.doi.org/10.1016/j.enconman.2015.04.015
11. Sarker Shiplu, Bimbela Fernando, Sanchez Jose Luis, Nielsen Henrik Kofoed, Characterization and pilot scale fluidized bed gasification of herbaceous biomass: A case study on alfalfa pellets (2015). Energy Conversion and Management. ISSN 0196-8904. 91 pp 451 - 458 http://dx.doi.org/10.1016/j.enconman.2014.12.034
12. Nielsen Henrik Kofoed Estimation of moisture content in poplar (2015). Aspects of Applied Biology. ISSN 0265-1491. 131 pp 211 – 216
13. Nielsen Henrik Kofoed, Eco House Biestøa – indoor climate performance. I: Proceedings of the 7PHN Sustainable Cities and Buildings conference (2015). Danmarks Tekniske Universitet, DTU 2015 ISBN 978-87-7877-423-1
14. Kristiansen Nils Randulf, Snyder G. J., Nielsen Henrik Kofoed, Rosendahl Lasse, Waste Heat Recovery from a Marine Waste Incinerator Using a Thermoelectric Generator (2012). Journal of Electronic Materials . ISSN 0361-5235. 41 (6), s 1024 - 1029 http://dx.doi.org/10.1007/s11664-012-2009-6
15. Horn Svein Jarle, Estevez Maria Magdalena, Nielsen Henrik Kofoed, Linjordet Roar, Eijsink Vincent, Biogas production and saccharification of Salix pretreated at different steam explosion conditions (2011). Bioresource Technology . ISSN 0960-8524. 102 (17), s 7932 - 7936
Tuition
BYG229 Applied Building Physics
ENE239 Bioenergy
ENE606 Biomass and bioenergy
Food Security and Sustainable Agriculture at
ASEAN Master in Sustainability Management