Selaus koulutusohjelman mukaan kokoelmassa VäitöskirjatSchool of Energy Systems, Energiatekniikka
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Advances in Optimal Design of Shapes and Processes by Computational Fluid Dynamics
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 09.10.2023)In many engineering applications, it is desirable to design objects which display good performance characteristics when interfacing with fluid flow, either internal or external to the objects. For example, an aircraft wing ... -
Agent-Based Modeling as Part of Biomass Supply System Research
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 14.06.2019)Interest in the use of agent-based modeling (ABM) for studying biomass supply systems has increased because of its flexible and cost-efficient nature. While ABM has been around for a long time, recent developments in ... -
Agent-based modelling for epidemiological applications
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.03.2019)Malaria is an infectious disease induced by protozoan parasite called Plasmodium and transmitted by Anopheles mosquitoes which still imposes a health threat to virtually half of the human populace and causes severe mortality, ... -
Analysis and design of carbon dioxide utilization systems and infrastructures
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 04.11.2022)Carbon dioxide (CO2) is an important chemical compound for life on earth, as it enables photosynthesis in plants and other organisms. It is also commonly utilized in many applications and products, such as carbonated drinks, ... -
Analysis of sorption-enhanced gasification for production of synthetic biofuels from solid biomass
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 01.12.2021)Anthrophonic greenhouse gas emissions have led to climate change. The transportation sector is one of the most significant greenhouse gas emitters. Mitigation of carbon dioxide (CO2) emissions from transportation is a great ... -
Assessment of agro-forest and industrial residues potential as an alternative energy source
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 11.05.2021)The generation of energy from alternative and renewable sources is of enormous importance for the sustainable development of the world bioeconomy, as its use mitigates environmental issues such as greenhouse gas emissions. ... -
Big Data – Towards Data-driven Business
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 12.04.2019)This research stems from the disruptive phenomenon known as digital transformation, i.e. the pervasive use of digital technologies in order to add value in business. As a side effect of digital transformation, vast amounts ... -
Coupling Monte Carlo neutronics with thermal hydraulics and fuel thermo-mechanics
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 30.11.2022)This work aims to improve the coupled calculations required for the modeling of nuclear reactors by producing more advanced computational tools. The study applies more advanced computational tools to more detailed ... -
Erityisen tuen toimintaprosessien nykytila ja kehittäminen suomalaisessa oppisopimuskoulutuksessa
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 12.10.2018)Oppisopimuskoulutus on käytännönläheinen ja kustannustehokas koulutusmuoto ammatillisen tutkinnon ja työelämän vaatiman osaamisen hankkimiseksi. Oppisopimuskoulutuksessa oppiminen ja kouluttautuminen tapahtuvat oikeissa ... -
Flexibility aggregation of local energy systems—interconnecting, forecasting, and scheduling
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 13.12.2021)The socio-technical transformation of the energy sector in pursuit of its decarbonization and innovations in digital and energy technologies are shifting the present electric power systems with a centralized governance to ... -
Fluidized bed combustion and humidified gas turbines as thermal energy conversion processes of the future
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 14.12.2020)Growing awareness of environmental issues related to heat and electrical energy production has led to sustained research efforts to find ways to reduce fossil energy consumption and increase renewable energy usage. Future ... -
Global climate as a commons — from decision making to climate actions in least developed countries
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 09.12.2022)The international battle against climate change requires action from all parties of the United Nations Framework Convention on Climate Change including the rapidly developing low-income countries. Most of the least developed ... -
Improving the environmental safety of ash from bioenergy production plants
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 14.12.2018)Each year, energy production plants in Eastern Finland produce just under 100,000 tonnes of different types of ash and slag in the process of energy production. The utilisation of energy production ash flows has made ... -
International trade in biomass for energy production: The local and global context
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 31.08.2018)Biomass is an important source of renewable energy in the global energy mix. International trade in biomass is increasing. It is stimulating global use of biomass for energy and promoting development of bioenergy in many ... -
Losses in low-Reynolds-number centrifugal compressors
Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 2018)Micro-scale centrifugal compressors and compressors operating at a high altitude suffer from performance deterioration due to low Reynolds numbers. An improvement in the efficiency of a low-Reynolds-number centrifugal ... -
Modelling of component dynamics and system integration in power-to-gas process
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 09.12.2021)Climate change mitigation requires reducing of greenhouse gas emissions, especially carbon dioxide (CO2). Reducing fossil fuel usage is the main method of combatting greenhouse gas emissions in the energy sector, together ... -
Quantification of large steam bubble oscillations and chugging using image analysis
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 01.11.2019)The pressure suppression pool of a boiling water reactor as a safety system has vital importance from the nuclear reactor safety point of view. If a loss-of-coolant accident occurs, a large amount of steam is pushed through ... -
Raw Material Supply and its Influence on Profitability and Life-Cycle Assessment of Torrefied Pellet Production in Finland – Experiences from Pilot-Scale Production
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 05.11.2021)The European climate policy aims to move toward an environmentally friendly world, and it has been awakened by a strong will to find replacement fuel alternatives to fossil fuels, especially for coal. Torrefied pellets ... -
Real-Time Efficient Computational Approaches for Hydraulic Components and Particulate Energy Systems
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 11.12.2020)The so-called fourth industrial revolution requires high-speed data transmission and application of real-time computation to the phenomena. These two technologies highlight the potential of the digital-twin concept for ... -
Supercritical CO2 Numerical Modelling and Turbomachinery Design
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 16.04.2019)Supercritical CO2 Brayton cycles have attracted significant attention in recent years on the basis that they can achieve higher thermal efficiency at relatively lower turbine inlet temperature in comparison to conventional ...
