Väitöskirjat
Uusimmat aineistot
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Post-synthetic modification of metal-oxo clusters of metal-organic frameworks (MOFs) for aqueous applications
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.02.2024)The unreliable supply of critical materials, including rare earth elements (REEs), and greenhouse emissions associated with typical H2 production processes, force us to find alternative strategies for smoothing the transition ... -
Bridging academic software sustainability design with corporate business planning
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 02.02.2024)Software systems have become deeply intertwined with both our personal lives and our professional lives, blurring the demarcation between the colloquially referred ‘real world’ and ‘digital world’. Consequently, software ... -
Promoting local renewable energy production with energy communities and serious games
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 26.01.2024)Local, small-scale energy production with renewable energy like solar energy is becoming more and more commonplace as people seek methods to reduce their reliance on grid energy. Besides individual households investing in ... -
On Load Modeling of Electric Vehicles—Energy System Viewpoints
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 12.01.2024)Customer load modeling is a fundamental component of many business practices in the energy industry, particularly in the electricity distribution and retail sectors. The increasing numbers of electric vehicles (EVs) and ... -
Sigma-point Kalman Filtering in Physics-based Digital Twin Applications: Synchronization between Simulation and RealWorld
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 22.12.2023)In recent years, the integration of real-world systems and physics-based simulations has become increasingly necessary. Multibody-based simulations, in combination with information-fusing techniques such as nonlinear Kalman ... -
Artificial Inventiveness: Towards AI supported Model-Driven Systematic Conceptual Design
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.12.2023)The Conceptual Design tools are between their historical qualitative if not disruptive changes. Being historically characterized as creativity and non-standard thinking, the ability to come up with inventive design decisions ... -
Sustainable recovery of nitrogen from sewage sludge
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 18.12.2023)The growing population and urbanization have increased the need for wastewater treatment alongside concerns about the disposal of the resulting sewage sludge. On the other hand, food scarcity and the reduction of fossil ... -
Development of hybrid microdevices composed of Ni-Mn-Ga and silicon layers: fabrication and metrology
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 11.12.2023)Extensive research and development efforts have established Ni-Mn- Ga as a promising smart material. However, its practical applications as a sensing and actuating material still need to be improved. Several challenges ... -
Bioprospecting for Nordic photosynthetic consortia for wastewater treatment, carbon capture, and value creation
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 13.12.2023)Microalgal biotechnology has been proposed as a potential solution to multiple global challenges, especially carbon capture, wastewater treatment, and bioproduction of valuable fuels and materials. Conventional microalgal ... -
The Role of Radio-Frequency Identification in the Sustainable Digital Transformation of the Supply Chain
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.12.2023)Sustainability and digital transformation have been two leading themes for businesses as they have updated operating systems in the 2020s. This study focuses on using radio-frequency identification (RFID) to provide ... -
Framework for digitalizing different industrial sectors via the Internet of Things
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 18.12.2023)The Industrial Revolution 4.0 (IR4.0) refers to the current era of technological advancements that are transforming the different sectors of productive activities. It brings what is called Industry 4.0 characterized by the ... -
Adaptive binning and spatial profile partial least squares methods in scanning electron microscopy energy-dispersive X-ray spectroscopy and satellite hyperspectral pansharpening
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 12.12.2023)Pansharpening is a data fusion method for image data. Traditionally, images from satellite remote sensing are fused, with one image having a high spatial resolution, but a low spectral one, and the other image vice versa. ... -
Toward more sustainable supply management: Practices, determinants, and enablers for ensuring sustainability across multiple supply chain tiers
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 08.12.2023)In today’s supply chains, it is increasingly critical for firms to ensure sustainability across multiple supply chain tiers and know the origins of their products and raw materials. This dissertation investigates how firms ... -
A conceptual, holistic framework to overcome limitations and constraints of design in laser based powder bed fusion of metals: Case novel separation and purification units
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 14.12.2023)The advancements of digitization and the fourth industrial revolution has introduced several modern technologies, among which additive manufacturing (AM), known also as industrial 3D printing, has significant role. Additive ... -
Bayesian likelihoods for intractable data
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 01.12.2023)We live in the Information Age, specific historical moment in which making well-informed decisions is often decisive for the survival of projects and investments. In the past decade, consistent efforts have been dedicated ... -
From alternative sources of cellulose to ultrafiltration membranes
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 14.12.2023)Cellulose, the most abundant biopolymer on the planet, presents a renewable alternative to petroleum-based polymeric materials. One of its applications is the production of polymeric ultrafiltration membranes, which can ... -
On numerical implementation of α-stable priors in Bayesian inversion
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 08.12.2023)In this thesis, we introduce numerical approximations of Levy α-stable random field priors for Bayesian inversion. The α-stable processes are well-studied in stochastic process literature, and they can be potentially ... -
Sustainable energy transition for Pakistan: Assessing the role energy, water supply, social and gender equity dimensions
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.12.2023)The main aim of this dissertation is to evaluate the energy, water and social dimensions of a 100% renewable energy system in Pakistan. Techno-economic aspects of the sustainable energy transition are assessed by modelling ... -
Designing printing parameters for geopolymer concrete prepared from construction and demolition waste and industrial side streams
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 24.11.2023)The high demand for construction and infrastructure materials, the reduction of global warming potential (GWP) and the European union (EU) environmental protection policy have led to the use of environmentally friendly ... -
Thermomechanical finite element simulation of welding, and elevated-temperature mechanical behaviour of high and ultra-high strength steels
Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 23.11.2023)The development of high and ultra-high strength steels (HSSs/UHSSs) emerged as an engineering approach to enable lightweight structural applications and an environmental solution to reduce the steel production-related ...