Research Output

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Conference article in proceedings
2020

CFD simulation of fouling of plate heat exchanger by phosphate calcium

Ojaniemi, U., Pättikangas, T., Jäsberg, A., Puhakka, E. & Koponen, A., Jan 2020, Proceedings of International Conference on Heat Exchanger Fouling and Cleaning – 2019 (Peer-reviewed) . Zettler, H. (ed.). Heat Transfer Research, p. 45-52 8 p.

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

Open Access

Fouling dynamics of SMUF on a plate heat exchanger

Jäsberg, A., Turpeinen, T., Tanaka, A., Ketola, A., Järvinen, M., Ojaniemi, U., Pättikangas, T. & Koponen, A., Jan 2020, Proceedings of International Conference on Heat Exchanger Fouling and Cleaning – 2019 (Peer-reviewed) . Zettler, H. (ed.). Heat Transfer Research, p. 322-328 7 p.

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

Open Access
2019

CFD simulations of direct-contact condensation of horizontal vapor jets

Pättikangas, T., Peltola, J., Hovi, V., Puustinen, M., Räsänen, A. & Kotro, E., 1 Jan 2019, 18th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH 2019. cd-rom ed. American Nuclear Society ANS, p. 1583-1596 14 p.

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

Coupled APROS-CFD simulation of generic VVER-440 loss of feedwater transient

Rämä, T., Toppila, T., Kättö, J., Hovi, V. & Pättikangas, T., 1 Jan 2019, 18th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH 2019. cd-rom ed. American Nuclear Society ANS, p. 5652-5666 15 p.

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

Interfacial surface energies - stainless steel and titanium nitride substrates and CaCO3 and CaCHPO4 depositions

Puhakka, E., Ojaniemi, U. & Pättikangas, T., 3 Dec 2019, Proceedings of International Conference on Heat Exchanger Fouling and Cleaning – 2019 (Peer-reviewed) . Heat Transfer Research, 8 p.

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

Open Access

Kraken: An upcoming Finnish reactor analysis framework

Valtavirta, V., Hovi, V., Loukusa, H., Rintala, A., Sahlberg, V., Tuominen, R. & Leppänen, J., 2019, International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering, M and C 2019. American Nuclear Society ANS, p. 786-795 10 p.

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

New business opportunities based on biogenic carbon dioxide utilization

Kärki, J., Thomasson, T., Melin, K., Suomalainen, M., Saastamoinen, H., Hurskainen, M. & Mäkikouri, S., 15 Apr 2019, 14th International Conference on Greenhouse Gas Control Technologies, GHGT-14. SSRN eLibrary, 12 p.

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

Open Access

On development and validation of subcooled nucleate boiling models for openfoam foundation release

Peltola, J., Pättikangas, T., Bainbridge, W., Lehnigk, R. & Schlegel, F., 1 Jan 2019, 18th International Topical Meeting on Nuclear Reactor Thermal Hydraulics, NURETH 2019. cd-rom ed. American Nuclear Society ANS, p. 2149-2163 15 p.

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

The effect of hydrothermal liquefaction of black liquor in bio-oil quality

Melin, K., Välimäki, A., Oasmaa, A. & Lehtonen, J., May 2019, European Biomass Conference and Exhibition Proceedings. ETA-Florence Renewable Energies, p. 1144-1145 2 p. (European Biomass Conference and Exhibition Proceedings).

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

2018

Bio-CLC Pilot Scale Experiments Combined with CFD Simulations: How To Improve the Performance by Better Design?

Peltola, J., Pikkarainen, T. & Niemi, T., 2018, 5th International Conference on Chemical Looping. 19 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Jarogain Process: A Hydrometallurgical Option to Recover Metal Values from RLE Zinc Residue and Steel Dust

Koukkari, P., Kangas, P., Lundström, M., Kinnunen, S., Rastas, J. & Saikkonen, P., 2018, Extraction 2018: Proceedings of the First Global Conference on Extractive Metallurgy. Springer, (Minerals, Metals and Materials Series).

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

The effect of biomass drying on the overall efficiency of combined production of transportation fuels and heat by steam gasification and ft-synthesis

Tuomi, S., Kurkela, E., Hannula, I. & Berg, C. G., 1 May 2018, Proceedings of European Biomass Conference and Exhibition, EUBCE 2018. ETA-Florence Renewable Energies, p. 521-527 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Valorisation of effluent from metal recovery plant

Nappa, M., Kiipula, K., Kyllönen, H., Kaartinen, T., Pajarre, R. & Kangas, P., 2018, 11th ICARD - IMWA 2018. Curran Associates Inc., p. 157-163

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

2017

Exploring the future role of retrofitting CCS in the pulp mill and integrated pulp and board mill

Onarheim, K., Kangas, P., Santos, S. & Hanlin, V., 2017, Proceedings of 7th Nordic Wood Biorefinery Conference 2017. p. 143-148

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

Modeling of conversion of a single fuel particle in a CFD model for CFB combustion

Niemi, T. & Kallio, S., 1 Jan 2017, Proceedings. Czestochowa University of Technology, p. 765-772 8 p.

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

Valorisation of Separated Solids from Mine Water Treatment

Kaartinen, T., Kangas, P. & Arnold, M., 2017, Proceedings of the 13th international Mine Water Association Congress: IMWA 2017. Lappeenranta University of Technology, p. 55-63

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

2016

A techno-economic comparison of CO2 emission reduction concepts for an integrated iron and steel mill

Onarheim, K., Arasto, A., Tsupari, E. & Kärki, J., 2016, Proceedings of SCANMET V.

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

Coupling Serpent and OpenFOAM for neutronics - CFD multi-physics calculations

Tuominen, R., Valtavirta, V., Peltola, J. & Leppänen, J., 2016, PHYSOR 2016: Unifying Theory and Experiments in the 21st Century. American Nuclear Society ANS, p. 255-269

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

Open Access
7 Citations (Scopus)

Multiphase simulation of mine waters and aqueous leaching processes

Pajarre, R., Kangas, P., Penttilä, K. & Koukkari, P., 2016, E3S Web of Conferences: MEC2016. EDP Sciences, 01027

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Open Access

Pilot-scale recovery of rare earths and scandium from phosphogypsum and uranium leachates

Mashkovtsev, M., Botalov, M., Smyshlyaev, D., Pajarre, R., Kangas, P., Rychkov, V. & Koukkari, P., 2016, E3S Web of Conferences: MEC2016. EDP Sciences, 10 p. 01026

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Open Access
5 Citations (Scopus)

Value-added materials from the hydrometallurgical processing of jarosite waste

Wilson, B. P., Halli, P., Orko, I., Kangas, P., Lundström, M. & Koukkari, P., 2016, Mineral Engineering Conference MEC2016. EDP Sciences, 01015. (E3S Web of Conferences, Vol. 8).

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

Open Access
2015

Comparison of model predictions to available measurements in two BFB boiler furnaces

Huttunen, M., Jukola, P., Karvonen, L., Leino, T. & Kauppinen, J., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion: June 14-17, 2015, Turku, Finland. Bankiewicz, D., Mäkinen, M. & Yrjas, P. (eds.). Turku: Åbo Akademi

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

On time-averaged approach for CFD simulation of industrial scale CFB boilers

Peltola, J., Niemi, T., Kallio, S., Yang, H., Qiu, X. & Li, J., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion. Juvenes print

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

Retrofitting of Rauhalahti 270 MWth BFB furnace with low NOx combustion technique and SNCR

Jukola, P., Huttunen, M., Dernjatin, P., Heikkilä, J. & Kuvaja, L-M., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion: June 14-17, 2015, Turku, Finland. Bankiewicz, D., Mäkinen, M. & Yrjas, P. (eds.). Turku: Åbo Akademi, p. 172-181

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

Time-averaged CFD modelling of NOx reduction by over fire air in a full scale CFB furnace

Jukola, P., Kallio, S. & Dernjatin, P., 2015, Proceedings of the 22nd International Conference on Fluidized Bed Conversion: June 14-17, 2015, Turku, Finland. Bankiewicz, D., Mäkinen, M. & Yrjas, P. (eds.). Turku: Åbo Akademi

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

2014

3D core thermal hydraulics with the PORFLO code: Turbulence modelling and porous medium with porosity steps

Ilvonen, M., Hovi, V. & Taivassalo, V., 2014, Proceedings of the 22th International Conference on Nuclear Engineering, ICONE22: Volume 4: Radiation Protection and Nuclear Technology Applications; Fuel Cycle, Radioactive Waste Management and Decommissioning; Computational Fluid Dynamics (CFD) and Coupled Codes; Reactor Physics and Transport Theory. American Society of Mechanical Engineers ASME, Vol. 4. 11 p.

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

1 Citation (Scopus)

Applications of constrained Gibbs ' free energy method for modelling the super-equilibria in thermal biomass conversion: Feasibility for NO emission estimation

Kangas, P., Brink, A., Koukkari, P. & Hupa, M., 2014, Proceedings: 21st International Congress of Chemical and Process Engineering, CHISA 2014 and 17th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction, PRES 2014. Prague, Czech Republic: Czech Society of Chemical Engineering, Vol. 1-4.

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

Building a high temperature corrosion and erosion model for thermal spray coatings

Metsäjoki, J., Oksa, M., Vaari, J., Penttilä, K. & Laukkanen, A., 2014, (Submitted) Conference Abstracts (Including manuscripts on CD-ROM). Düsseldorf, p. 836-840

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Chemsheet as a simulation platform for pyrometallurgical processes

Penttilä, K., Salminen, J., Tripathi, N. & Koukkari, P., 2014, Celebrating the Megascale Proceedings of the Extraction and Processing Division Symposium on Pyrometallurgy in Honor of David G.C. Robertson. p. 377-384

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

Measurement of solids velocity and concentration in a large cold CFB model

Peltola, J., Karvonen, L., Elfvengren, J., Kolehmainen, J., Kallio, S., Pallares, D. & Johnsson, F., 2014, CFB-11: Proceedings of the 11th International Conference on Fluidized Bed Technology. Beijing, China, p. 589-594

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

Predicting sodium release in recovery boilers in conjunction with CFD furnace modelling

Jukola, P., Kyttälä, J. & McKeough, P., 2014, 2014 International Chemical Recovery Conference. Vol. 2. p. 48-58

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

2 Citations (Scopus)

PTV and PIV Based Dispersed Phase Velocity Measurements in a pseudo-2D Turbulent Fluidized Bed

Kolehmainen, J., Elfvengren, J., Ylönen, M., Saarenrinne, P., Kallio, S. & Peltola, J., 2014, Proceedings of the International Conference on Heat Transfer and Fluid Flow. Prague, 9 p. Paper no. 70

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

Scale-up of results from fuel characterization tests to boiler geometry

Niemi, T., Kallio, S., Peltola, J., Nevalainen, H. & Karvonen, L., 2014, Proceceedings of the 11th International Conference on Fluidized Bed Technology, CFB 2014. Beijing, China, p. 551-556

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

2013

Analysis of length scales of solids volume fraction variations in a circulating fluidized bed of Geldart B particles

Mondal, D. N., Kallio, S. & Saxen, H., 2013, Proceedings The 14th International Conference on Fluidization : From Fundamentals to Products. Kuipers, J. A. M., Mudde, R. F., van Ommen, J. R. & Deen, N. G. (eds.). p. 827-834

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

Open Access

CFD simulation of biofuel and coal co-combustion in a pulverized coal fired furnace

Jukola, P. & Huttunen, M., 2013, Bioenergy 2013 Book of Proceedings. Benet Ltd., p. 248-253

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Modelling super-equilibrium in biomass gasification with the constrained gibbs energy method

Kangas, P., Koukkari, P. & Hannula, I., 1 Jan 2013, Computational Molecular Science and Engineering Forum 2013 - Core Programming Area at the 2013 AIChE Annual Meeting: Global Challenges for Engineering a Sustainable Future. American Institute of Chemical Engineers AIChE, p. 211-213 3 p.

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

Spruce bark biorefinery

Kemppainen, K., Niemelä, T., Inkinen, J., Uusitalo, J., Kaijaluoto, S., Sorsamäki, L., Aaltonen, O., Suurnäkki, A., Peltonen, S., Mikkonen, H., Grönberg, V., Kruus, K., Nakari-Setälä, T. & Siika-aho, M., 2013, Proceedings of the 21st European Biomass Conference. p. 540-543

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Study of 3D effects in simulation of a pseudo-2D bubbling fluidized bed

Niemi, T., Peltola, J., Kallio, S., Honkanen, M. & Hermanson, A., 2013, Proceedings : 8th International Conference on Multiphase Flow, ICMF 2013.

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

Time averaged modeling of BFBs: Analysis of the terms in the momentum equations

Niemi, T., Peltola, J. & Kallio, S., 2013, Proceedings The 14th International Conference on Fluidization : From Fundamentals to Products. Kuipers, J. A. M., Mudde, R. F., van Ommen, J. R. & Deen, N. G. (eds.). p. 573-580

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

Open Access

Time-averaged simulation of the furnace of a commercial CFB boiler

Peltola, J., Kallio, S., Yang, H., Qiu, X. & Li, J., 2013, Proceedings The 14th International Conference on Fluidization : From Fundamentals to Products. Kuipers, J. A. M., Mudde, R. F., van Ommen, J. R. & Deen, N. G. (eds.). p. 699-706

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

Open Access

Zero-Waste Processing of Protein Rich Side-Streams

Kangas, P., Nappa, M., Lantto, K., Slizyte, R. & Navickas, K., 2013, AIChE Annual Meeting: Conference Proceedings 2013. San Francisco, CA, USA: American Institute of Chemical Engineers AIChE

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

2012

Applications and development of the PORFLO 3D code in nuclear power plant thermal hydraulics

Takasuo, E., Hovi, V. & Ilvonen, M., 2012, Proceedings: 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. New York, NY, USA: American Society of Mechanical Engineers ASME, Vol. 4. p. 393-402

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

7 Citations (Scopus)

Estimation of turbulent diffusion coefficients in a CFB on basis of transient CFD simulations

Peltola, J. & Kallio, S., 2012, 21st International Conference on Fluidized Bed Combustion Proceedings Volume 2. Napoli, Italia, p. 595-602

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

Experimental and computational studies of the coolability of heap-like and cylindrical debris beds

Takasuo, E., Holmström, S., Kinnunen, T., Pankakoski, P. H., Hovi, V., Ilvonen, M., Rahman, S., Bürger, M., Buck, M. & Pohlner, G., 2012, ERMSAR 2012 Papers (CD).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Modeling of dryout in core debris beds of conical and cylindrical geometries

Takasuo, E., Hovi, V., Ilvonen, M. & Holmström, S., 2012, Proceedings: 20th International Conference on Nuclear Engineering and the ASME 2012 Power Conference. New York, NY, USA: American Society of Mechanical Engineers ASME, p. 291-300

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

2 Citations (Scopus)

Techno-economic and opportunity assessment of future biorefinery concepts

Hytönen, E., Kangas, P., Hakala, J., Salmenkivi, K., Kautto, J., Kalanne, H. & Seppanen, J., Dec 2012, TAPPI International Bioenergy and Bioproducts Conference 2012: IBBC 2012. p. 235-246 12 p.

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

Time averaged CFD modelling of a circulating fluidized bed combustor

Taivassalo, V., Peltola, J. & Kallio, S., 2012, 21st International Conference on Fluidized Bed Combustion Proceedings Volume 2. Napoli, Italia, p. 891-898

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

Time-averaged modeling of CFB combustion processes

Kallio, S., Peltola, J. & Taivassalo, V., 2012, Proceedings of 3rd International Conference on Contemporary Problems of Thermal Engineering, CPOTE 2012. Gliwice, Poland, 179

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

Used wood sorting, utilization and recycling in different value chains

Hakala, J. & Deroubaix, G., 2012, NWBC 2012: The 4th Nordic Wood Biorefinery Conference. Niemelä, K. (ed.). Espoo: VTT Technical Research Centre of Finland, p. 45-50 (VTT Technology; No. 53).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsProfessional

Open Access
2011

Characteristics of the solid volume fraction fluctuations in a CFB

Kallio, S., Peltola, J. & Taivassalo, V., 2011, Proceedings of the Tenth International Conference on Circulating Fluidized Beds and Fluidization Technology, CFB-10. New York, NY, USA, p. 561-568

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

Open Access