Hae LUTPubista
Aineistot 11-20 / 29
Shell-and-tube heat exchanger optimization - impact of problem formulation and cost function
(HEFAT, 2019-07-22)
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 ...
Pre-treatment of coniferous biomass via hydrothermal carbonization and torrefaction: mass and energy yields
(Benet Ltd., 2015-09)
Fuel properties of woody biomass could be significantly improved with several pre-treatment technologies. This paper presents the results of experimental comparison of hydrothermal carbonization and torrefaction processes ...
Hydrothermal carbonization of coniferous biomass: Effect of process parameters on mass and energy yields
(Elsevier, 2015-05)
Hydrothermal carbonization of biomass presents a promising way to improve fuel characteristics of biomass without preliminary drying. In this process, feedstock is subjected to heating with water at temperatures between ...
Study on properties related to energy recovery from waste streams in Finland
(Taylor & Francis, 2017-09-01)
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 ...
A comparison of turbulence models and two and three dimensional meshes for unsteady CFD ash deposition tools
(Elsevier, 2019)
This work aims to assess the adequacy of the often made two dimensional mesh simplification in ash deposition models. Little information is available regarding its validity due to the heavy computational costs that a proper ...
Suomi muuttuu – Energia uusiutuu : ”Suomen rooli ilmastotalkoissa ja taloudelliset mahdollisuudet”
(Lappeenranta University of Technology, 2018-11-15)
Finland is changing when energy use is becoming renewable. The energy sector will decarbonize easily but more effort is needed
Recovery boilers - history and future
(Suomen Soodakattilayhdistys - Finnish recovery boiler committee, 2014-06-11)
Recovery boilers are built all over the world. The roots of recovery technology are longer than the roots of recovery boilers. But it wasn’t until the invention of recovery boilers before the Second World War that the ...
Self-Assessement Report for International Accreditation - Bachelor's and Master's degree programmes in Energy Technology
(Lappeenrannan Teknillinen yliopisto, 2012)
Self-Assessment Report was made for the accreditation of degree programmes in Energy Technology. The report includes the following items: the content,concept and implementation of of the degree programmes, the resources, ...
A survey analysis of the wood pellet industry in Finland: Future perspectives
(Elsevier Ltd, 2017)
Finland has the greatest forest cover of European countries and thus considerable raw material potential for wood pellet market development. Wood pellet production and consumption volumes in the country have increased ...
The wood pellet business in Russia with the role of North-West Russian regions: Present trends and future challenges
(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 ...