Selaus tekijän mukaan kokoelmassa "Vakkilainen, Esa"Tieteelliset julkaisut
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Shell-and-tube heat exchanger optimization - impact of problem formulation and cost function
Saari, Jussi; García Perez, Manuel; Vianna Neto, Marcio; Cardoso, Marcelo; Vakkilainen, Esa; Kaikko, Juha (HEFAT, 22.07.2019)The design optimization of shell-and-tube heat exchangers (STHEs) is studied.Impact of using standard lengths and shell diameters is investigated, and two types of cost function are compared: a simple area-based correlation ... -
Study on properties related to energy recovery from waste streams in Finland
Sermyagina, Ekaterina; Nikku, Markku; Vakkilainen, Esa; Hyppänen, Timo (Taylor & Francis, 01.09.2017)Current paper presents the results of proximate analysis and heating value measurements for several different municipal solid waste (paper, cardboard, waste wood, textile, juice box carton and sewage sludge) and industrial ... -
The wood pellet business in Russia with the role of North-West Russian regions: Present trends and future challenges
Proskurina, Svetlana; Heinimö, Jussi; Mikkilä, Mirja; Vakkilainen, Esa (Elsevier Ltd, 2015)The Russian wood pellet business has expanded rapidly in the last decade. The first Russian pellet production plant was built in 2003 and within ten years, Russia has become an important exporter of pellets, mainly to the ... -
Towards large, fossil free mills with integrated biorefineries : trends in modern pulp mills
Vakkilainen, Esa (ABTCP, 23.10.2018)Global economics require ever larger pulp mills with increased energy efficiency. Paris agreement means pulp and paper mills need to significantly reduce fossil fuel based carbon dioxide emissions. World markets are turning ... -
Towards Sawdust Products Ecosystem? Three Utilization Process Cases From Finland
Karvonen, Vesa; Vakkilainen, Esa; Kallioinen-Mänttäri, Mari; Lehikoinen, Tero; Mänttäri, Mika (Open Bioeconomy Week, 19.05.2022)There is a huge demand to utilize renewal side flows of different production processes to substitute existing fossil-based products or to develop and produce totally new products to the market. One underutilized side product ...