Uusimmat aineistot

  • Selective recovery of rare earth elements from diluted aqueous streams using n- and o-coordination ligand grafted organic-inorganic hybrid composites 

    Ramasamy, Deepika Lakshmi
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 04.06.2019)
    The dominance exerted by the rare earth elements (REE) on the significant technological advancements of the past decades has been unmitigated and unparalleled. With such an eminent role played by REEs, there exists a ...
  • Synthesis of hybrid bio-nanocomposites and their application for the removal of rare earth elements from synthetic wastewater 

    Iftekhar, Sidra
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 03.06.2019)
    In recent decades, the application of rare earth elements (REEs) has become apparent in numerous technological sectors. The gap in the supply and demand of REEs, as well as the increasing pollution of REEs, has raised the ...
  • Quantitative indicators of social sustainability applicable in process systems engineering 

    Popović, Tamara
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 23.05.2019)
    The emerging interest in sustainability for process systems engineering is motivated by the need to create an environmentally, economically and socially stable society. This is because companies have realized that profit ...
  • Advanced Techniques for Unsupervised Classification of Remote Sensing Hyperspectral Images 

    Hassanzadeh, Aidin
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 20.05.2019)
    Hyperspectral images consisting of a broad range of contiguous spectral bands ought to be a valuable tool for land cover type mapping. However, the coarse spatial resolutions of remote sensing Hyperspectral images makes a ...
  • CFD-based optimization for wind turbine locations in a wind park 

    Avramenko, Anna
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 10.05.2019)
    Searching for the optimal positions of wind turbines in a wind farm for their maximal power generation has an important and difficult role in the wind energy industry. Several factors have to be considered while designing ...
  • Perspectives on business model experimentation in internationalizing high-tech companies 

    Rissanen, Tommi
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 10.05.2019)
    The main research question addressed in this doctoral dissertation is “How do high-tech companies employ business model experimentation in their internationalization processes?” As the business model concept is itself ...
  • Automation of the conceptual design process in construction industry using ideas generation techniques 

    Renev, Ivan
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 10.05.2019)
    Early design stage in Construction projects is a crucial part of the sophisticated longterm design process. Here many fundamental and critical decisions are being taken. The more successful and innovative solutions are ...
  • Knowledge Ecosystem Formation: An Institutional and Organisational Perspective 

    Almpanopoulou, Argyro
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 27.04.2019)
    The main purpose of this thesis is to provide a better understanding on knowledge ecosystem formation, that is, the factors and processes that result in the emergence of knowledge ecosystems and their particular forms of ...
  • Actors in Sustainability Transitions 

    Koistinen, Katariina
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 26.04.2019)
    The world is experiencing serious sustainability challenges, such as climate change and the loss of biodiversity. To respond to these sustainability challenges, there is a need for societies throughout the world to make ...
  • Ideation Stage in Computer-Aided Design 

    Efimov-Soini, Nikolai
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 18.04.2019)
    Delivering an idea and converting it into a design concept are critical steps in engineering design. In general, the departure point of these efforts is the existing version of a product or technology, an analog, or a ...
  • Supercritical CO2 Numerical Modelling and Turbomachinery Design 

    Ameli, Alireza
    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 ...
  • Experimentally validated numerical modelling of reacting multiphase flows in stirred tank reactors 

    Gradov, Dmitry
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 12.04.2019)
    Homogenization of reacting flows by mixing is often important in order to achieve high reaction rates. Mechanical RANSagitation is the usual way to homogenize fluids used in industry. When supplied to fluid media, mechanical ...
  • Big Data – Towards Data-driven Business 

    Ylijoki, Ossi
    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 ...
  • Agent-based modelling for epidemiological applications 

    Shcherbacheva, Anna
    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, ...
  • Enhancement of decision-making in complex organizations: A systems engineering approach 

    Buzuku, Shqipe
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 22.03.2019)
    Effective methods to identify and model design processes are important for understanding organizational complexity. With this purpose, several modeling techniques for the design and development of decision-making processes ...
  • Complementarity and contextualization of firm-level strategic orientations 

    Beliaeva, Tatiana
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 08.02.2019)
    Strategic orientations, which reflect strategic behaviors implemented by a firm, have been widely associated with a firm’s competitiveness and performance. An extensive theoretical and empirical consideration has been ...
  • Mechanical Design Guidelines of an Electric Vehicle Powertrain 

    Gerami Tehrani, Mohammad
    Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 01.02.2019)
    The tendency of alternating fossil energy sources with state-of-the-art renewable energy resources is spreading in most contemporary fuel consuming applications, and transportation, as one of the essential human needs, is ...
  • Ni-Mn-Ga magnetic shape memory alloy for precise high-speed actuation in micro-magneto-mechanical-systems 

    Musiienko, Denys
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 17.01.2019)
    Single crystalline Ni-Mn-Ga alloys are known for their large reversible magnetic-field-induced strain (MFIS) of several percent. This effect was discovered and named magnetic shape memory (MSM) by K. Ullakko in 1996. Since ...
  • Enhancing the Adoption of Quantified Self-Tracking Devices 

    Khakurel, Jayden
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 19.12.2018)
    Over the past couple of years, quantified self-tracking wearable devices have become a promising emerging technology that can aid individuals in improving physical activities through behavior change. However, the adoption ...
  • Novel treatment methods for green liquor dregs and enhancing circular economy in kraft pulp mills 

    Golmaei, Seyedmohammad
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 17.12.2018)
    Green liquor dregs (GLD) are known to be the largest fraction of inorganic residue in the kraft pulping process, or even in virgin pulp production. GLD originates from the chemical recovery cycle where effective cooking ...

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