Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Matti Tähtinen"'
Publikováno v:
Energies, Vol 14, Iss 19, p 6423 (2021)
As energy systems globally are transitioning into renewable energy, simultaneous targets of high self-sufficiency have led to complex system design proposals. While conventional technology solutions would reduce the complexity in theory, limitations
Externí odkaz:
https://doaj.org/article/44e32c97d46e4584839ca89c4da0068f
Autor:
Raija Lantto, Jutta Laine-Ylijoki, Nesli Sozer, Anna Stiina Jääskeläinen, Anja Oasmaa, Henna Sundqvist-Andberg, Vafa Järnefelt, Matti Tähtinen
Publikováno v:
Lantto, R, Järnefelt, V, Tähtinen, M, Jääskeläinen, A S, Laine-Ylijoki, J, Oasmaa, A, Sundqvist-Andberg, H & Sözer, N 2019, ' Going Beyond a Circular Economy : A Vision of a Sustainable Economy in Which Material, Value and Information Are Integrated and Circulate Together ', Industrial Biotechnology, vol. 15, no. 1, pp. 12-19 . https://doi.org/10.1089/ind.2019.29156.rla
Publikováno v:
Kiviranta, K, Thomasson, T, Hirvonen, J & Tähtinen, M 2021, Harnessing Value From Circular Economy . in P Droege, I Stadler & C Trimborn (eds), Proceedings of the 14th International Renewable Energy Storage Conference 2020 (IRES 2020) . Atlantis Press, Atlantis Highlights in Engineering, vol. 6, pp. 66-72, 14h International Renewable Energy Storage Conference, IRES 2020, Düsseldorf, Germany, 10/03/20 . https://doi.org/10.2991/ahe.k.210202.010
Energy systems with high shares of variable renewable power generation have an increased need for power system flexibility. In parallel, renewable energy has an important role in circular economy as circular activities such as material processing con
Publikováno v:
Suomen Maataloustieteellisen Seuran Tiedote
Jyväskylän ammattikorkeakoulun Biotalouskampuksella toteutettiin hyönteiskasvatuksen demonstraatioympäristö VinsectS – Hyönteistalous osana Viitasaari-Saarijärvi seutukunnan kiertotaloutta –hankkeessa keväällä 2018. Hankkeessa tutkittii
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::663212cf30f4d078c955ff5e7e980d28
https://cris.vtt.fi/en/publications/eddb7055-d8d0-4486-bc56-22f7e62a17cc
https://cris.vtt.fi/en/publications/eddb7055-d8d0-4486-bc56-22f7e62a17cc
Autor:
Matti Tähtinen, Tomi Thomasson
Publikováno v:
Thomasson, T & Tähtinen, M 2018, Initial Results of Adiabatic Compressed Air Energy Storage (CAES) Dynamic Process Model . in Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 ., 129, Linköping University Electronic Press, Linköping Electronic Conference Proceedings, no. 142, pp. 878-884, 9th Eurosim Congress on Modelling and Simulation, Oulu, Finland, 12/09/16 . https://doi.org/10.3384/ecp17142878
The amount of wind and solar generation has seen exponential growth during the recent decades, and the trend is to continue with an increased pace. Due to the intermittency of the resources, a threat is posed on grid stability and a need created for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a671a17f62e751097f9e1284416b552e
http://juuli.fi/Record/0335627418
http://juuli.fi/Record/0335627418
Publikováno v:
Sihvonen, T, Savolainen, J & Tähtinen, M 2018, Modelling and Simulation of PtG Plant Start-Ups and Shutdowns . in Proceedings of The 9th EUROSIM Congress on Modelling and Simulation, EUROSIM 2016, The 57th SIMS Conference on Simulation and Modelling SIMS 2016 ., 145, Linköping University Electronic Press, Linköping Electronic Conference Proceedings, no. 142, pp. 984-990, 9th Eurosim Congress on Modelling and Simulation, Oulu, Finland, 12/09/16 . https://doi.org/10.3384/ecp17142984
As the share of renewable energy sources increases the need for energy storages increases also due to fluctuating nature of renewables (solar and wind). Power-to-Gas (PtG) is one a promising energy storing concept. In PtG process renewable electric e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d39d8ecb1db306d1bd126ee9d0d4990
https://cris.vtt.fi/en/publications/385a1ba2-7742-4f06-a1fd-2ce5111fd3b7
https://cris.vtt.fi/en/publications/385a1ba2-7742-4f06-a1fd-2ce5111fd3b7
Autor:
Ari Kettunen, Matti Tähtinen, Juha Paldanius, Suvi Suojanen, Istvan Selek, Minttu Tuononen, Jukka Kapela, Elina Hakkarainen, Jenö Kovács
Publikováno v:
Suojanen, S, Hakkarainen, E, Kettunen, A, Kapela, J, Paldanius, J, Tuononen, M, Selek, I, Kovács, J & Tähtinen, M 2017, Integration of concentrated solar power (CSP) and circulating fluidized bed (CFB) power plants : Final results of the COMBO-CFB project . in SolarPACES 2016 : International Conference on Concentrating Solar Power and Chemical Energy Systems ., 110016, American Institute of Physics (AIP), AIP Conference Proceedings, vol. 1850, 22nd International Conference on Concentrating Solar Power and Chemical Energy Systems, SolarPACES 2016, Abu Dhabi, United Arab Emirates, 11/10/16 . https://doi.org/10.1063/1.4984490
Hybridization of solar energy together with another energy source is an option to provide heat and power reliably on demand. Hybridization allows decreasing combustion related fuel consumption and emissions, assuring stable grid connection and cuttin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43fe9335d38fbab3da045f048d700c48
https://doi.org/10.1063/1.4984490
https://doi.org/10.1063/1.4984490
Autor:
Toni Pikkarainen, Antti Arasto, Tomi Thomasson, Risto Sormunen, Eemeli Tsupari, Janne Kärki, Timo Korpinen, Matti Tähtinen
Publikováno v:
Kärki, J, Tsupari, E, Thomasson, T, Arasto, A, Pikkarainen, T, Tähtinen, M, Sormunen, R & Korpinen, T 2017, ' Achieving negative emissions with the most promising business case for bio-CCS in power and CHP production ', Energy Procedia, vol. 114, pp. 5994-6002 . https://doi.org/10.1016/j.egypro.2017.03.1734
The urgency for significant reductions in global greenhouse gas (GHG) emissions highlights the importance of carbon sinks, i.e. solutions that can remove CO2 from the atmosphere, and the possibility for offsetting historical emissions. The later the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54efce7a14f7623656d69496f925f4e3
https://cris.vtt.fi/en/publications/71249cf3-0013-4416-986d-33c8ece740e8
https://cris.vtt.fi/en/publications/71249cf3-0013-4416-986d-33c8ece740e8
Publikováno v:
Suojanen, S, Hakkarainen, E, Tähtinen, M & Sihvonen, T 2017, ' Modeling and analysis of process configurations for hybrid concentrated solar power and conventional steam power plants ', Energy Conversion and Management, vol. 134, pp. 327-339 . https://doi.org/10.1016/j.enconman.2016.12.029
Availability and flexibility of variable renewable energy production can be increased without thermal energy storages by integrating intermittent energy production with load following energy production. This paper focuses on modeling, analysis and co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::03659b0669547e56482ce2c23e12387a
https://cris.vtt.fi/en/publications/e2778840-ef0f-42e3-8856-a1377d2ae805
https://cris.vtt.fi/en/publications/e2778840-ef0f-42e3-8856-a1377d2ae805
Publikováno v:
Thomasson, T, Tähtinen, M, Tapani, A & Sihvonen, T 2017, ' Dynamic analysis of adiabatic CAES with electric resistance heating ', Energy Procedia, vol. 135, pp. 464-471 . https://doi.org/10.1016/j.egypro.2017.09.506
Over the past decades, the diabatic configuration of compressed air energy storage (CAES) has been combined with various technologies in literature in order to improve the cycle efficiency. Most often these hybrid concepts have focused on heat recove
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9989717236d18a45e1eed16be81eac31
https://cris.vtt.fi/en/publications/4983cc4e-cded-4b25-8da8-227e4225b6e4
https://cris.vtt.fi/en/publications/4983cc4e-cded-4b25-8da8-227e4225b6e4