Selaus nimekkeen mukaan kokoelmassa Väitöskirjat

    • Feasibility of industrial implementation of laser cutting into paper making machine 

      Stepanov, Alexander
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.09.2015)
      Laser cutting implementation possibilities into paper making machine was studied as the main objective of the work. Laser cutting technology application was considered as a replacement tool for conventional cutting methods ...
    • Fenton chemistry beyond remediating wastewater and producing cleaner water 

      Burgos Castillo, Rutely Concepcion
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.05.2020)
      The production, use and transformation of inorganic and organic chemical compounds are negatively affecting the global environment, whereas the disposal of byproducts generated at urban wastewater treatment plants isbecoming ...
    • Ferrite Permanent Magnet Hysteresis Loss in Rotating Electrical Machinery 

      Egorov, Dmitry
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 15.11.2019)
      Electrical machines with permanent magnets (PMs) find numerous applications in present energy-efficient technologies. A reasonable compromise in terms of costs and efficiency makes electrical machines with ferrite PMs a ...
    • Fiber laser and hybrid welding of T-joint in structural steels 

      Unt, Anna
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 14.12.2018)
      Laser welding processes are amongst the most versatile joining technologies, suitable for both, small scale and mass production. The advancements in laser sources and optics is allowing autogenous laser beam welding to ...
    • Field Sales Management Control: Towards a Multi-Level Theory 

      Tarkiainen, Anssi
      Acta Universitatis LappeenrantaensisURN:ISSN:1456-4491 (07.12.2007)
      The purpose of this dissertation is to increase the understanding and knowledge of field sales management control systems (i.e. sales managers monitoring, directing, evaluating and rewarding activities) and their potential ...
    • Financial literacy in perspective – evidence from Estonian and Finnish students 

      Mändmaa, Sirli
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 25.03.2022)
      Rapid evolution of the financial sector, and the shift of responsibility for long-term financial well-being from the states to the individuals, caused mainly by demographic changes, requires a deeper understanding and ...
    • Financial working capital - management and measurement 

      Talonpoika, Anna-Maria
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 06.05.2016)
      Unexpected changes in cash flow have started to occur more frequently after the financial crisis. The capital structures of companies have also changed, and financial flexibility as well as flexible asset management have ...
    • Finite element formulations for nonlinear beam problems based on the absolute nodal coordinate formulation 

      Bozorgmehri, Babak
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 29.10.2021)
      The spatial simulation of highly flexible bodies is becoming more effective and feasible thanks to the current state-of-the-art in the development of advanced formulations and computer processors. This makes it possible ...
    • First principles modeling of metallic alloys and alloy surfaces 

      Pitkänen, Heikki
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.10.2010)
      By alloying metals with other materials, one can modify the metal’s characteristics or compose an alloy which has certain desired characteristics that no pure metal has. The field is vast and complex, and phenomena that ...
    • Flexibility aggregation of local energy systems—interconnecting, forecasting, and scheduling 

      Mashlakov, Aleksei
      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 ...
    • Flexible multibody approach in bone strain estimation during physical activity: 

      Kłodowski, Adam
      Acta Universitatis Lappeenrantaensis (26.10.2012)
      Bone strain plays a major role as the activation signal for the bone (re)modeling process, which is vital for keeping bones healthy. Maintaining high bone mineral density reduces the chances of fracture in the event of ...
    • Flexible multibody dynamics and intelligent control of a hydraulically driven hybrid redundant robot machine 

      Al-saedi, Mazin
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 03.06.2014)
      The assembly and maintenance of the International Thermonuclear Experimental Reactor (ITER) vacuum vessel (VV) is highly challenging since the tasks performed by the robot involve welding, material handling, and machine ...
    • Flexible Multibody Simulation Approach in the Dynamic Analysis of Bone Strains Activity 

      Al Nazer, Rami
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.08.2008)
      The objective of this study is to show that bone strains due to dynamic mechanical loading during physical activity can be analysed using the flexible multibody simulation approach. Strains within the bone tissue play a ...
    • Flexible priors for rough feature reconstruction in Bayesian inversion 

      Senchukova, Angelina
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 04.10.2024)
      Inverse problems arise when the quantity of interest needs to be reconstructed from its noisy indirect measurements. Numerous examples of inverse problems include remote sensing, weather prediction, and medical imaging. ...
    • Fluidized bed combustion and humidified gas turbines as thermal energy conversion processes of the future 

      Mankonen, Aleksi
      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 ...
    • Forecasting and control in nonlinear economic models with application to economic policy 

      Alekseeva, Tatiana
      Acta Universitatis Lappeenrantaensis (Lappeenranta-Lahti University of Technology LUT, 21.09.2024)
      The complex irregular dynamics that arise in an economy can lead to instabilities and disruptions of an economic system. A system can be unstable not only due to the impact of external random shocks such as major bankruptcies, ...
    • Foreign Direct Investment, Clean Development Mechanism, and Environmental Management: A case of Sub-Saharan Africa 

      Kivyiro, Pendo Teresia
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.05.2015)
      This doctoral dissertation explores the contribution of environmental management practices, the so-called clean development mechanism (CDM) projects, and foreign direct investment (FDI) in achieving sustainable development ...
    • Foreign Market Entry Mode Decision-Making: Insights from Real Options Reasoning 

      Ahi, Mohamadali
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 18.08.2017)
      This dissertation addresses firms’ choice of foreign market entry mode, and changes made to the chosen mode, using real options reasoning (ROR). Entry mode choice has long been under scrutiny in the international business ...
    • Formal and informal mechanisms for knowledge protection and sharing 

      Olander, Heidi
      Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.06.2011)
      The most important knowledge in firms is mostly tacit and embedded in individuals within the organization. This background knowledge that firms possess is used for creation of new knowledge and innovations. As firms today ...
    • Formation and Control of Trace Metal Emissions in Co-Firing of Biomass, Peat, and Wastes in Fluidised Bed Combustors 

      Kouvo, Petri
      Acta Universitatis LappeenrantaensisURN:ISSN 1456-4491 (2003)
      Environmentally harmful consequences of fossil fuel utilisation andthe landfilling of wastes have increased the interest among the energy producers to consider the use of alternative fuels like wood fuels and Refuse-Derived ...