Uusimmat aineistot

  • Mechanical Design Guidelines of an Electric Vehicle Powertrain 

    Gerami Tehrani, Mohammad
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 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 ...
  • Improving the environmental safety of ash from bioenergy production plants 

    Soininen, Hanne
    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 ...
  • 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 ...
  • Information-based industrial maintenance – an ecosystem perspective 

    Metso, Lasse
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 14.12.2018)
    In industrial maintenance, the increasing amount of data and information makes the management of information flows much more challenging than previously. Data from different sources is another issue, data can be real-time ...
  • Moving Object Analysis and Trajectory Processing with Applications in Human-Computer Interaction and Chemical Processes 

    Kuronen, Toni
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 13.12.2018)
    In order to better understand processes with moving objects using computer vision, it is important to be able to measure and to analyze how the objects move. The recent advances in imaging technology and in image-based ...
  • Intellectual capital and innovation: A comparison between high technology and low technology firms 

    Buenechea Elberdin, Marta (University of Deusto, 11.12.2018)
    The turbulent and challenging environment in which companies operate has contributed to the increasing interest of researchers to find new ways of innovating. Innovation essentially involves utilising knowledge resources ...
  • Twin boundary dynamics in magnetic shape memory alloy Ni-Mn-Ga five-layered modulated martensite 

    Saren, Andrey
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 10.12.2018)
    Ni-Mn-Ga magnetic shape memory (MSM) alloys are considered to be highly promising materials for actuation, damping, sensing and energy harvesting applications, due to the unique combination of a large transformation strain ...
  • Modified chitosan nanoparticles at liquid-liquid interface for applications in oil-spill treatment 

    Kalliola, Simo
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 10.12.2018)
    Oil-spills continue to be a serious threat to the environment and the climate change is expected to increase oil related industry and transportation in Arctic regions due to the melting of the ice cover. Nanoparticles ...
  • Active residential customer in a flexible energy system — a methodology to determine the customer behaviour in a multi-objective environment 

    Belonogova, Nadezda
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 05.12.2018)
    The transformation from passive into active end customers in modern energy systems has already started in many European countries, and it is a long process. The first step to engage residential customers to be active actors ...
  • Atomic Force Microscopy of electrical, mechanical and piezo properties of nanowires 

    Geydt, Pavel
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 07.12.2018)
    Careful methodology of Atomic Force Microscopy (AFM) regimes was developed for advanced examination of electrical transport, mechanical strength and electro-mechanical (piezoelectric) features of as-grown III-V semiconductor ...
  • Identifying needs and ways to integrate sustainability into energy degree programmes 

    Mälkki, Helena
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 07.12.2018)
    This dissertation focuses on the changes needed in energy education in order to integrate sustainability into the courses of energy degree programmes at technical universities. Education is an important driver of and energy ...
  • Essays on Stock Market Anomalies 

    Karell, Ville
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 05.12.2018)
    The objective of this doctoral thesis is to examine the efficacy of anomaly-based equity trading strategies in the Finnish and the U.S stock markets. The main focus in the papers included in this thesis is on different ...
  • LCL Filter Designs for Parallel-Connected Grid Inverters 

    Juntunen, Raimo
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 04.12.2018)
    Power generation has become more dispersed as a result of the increasing popularity of the renewable energy sources, which interface with the utility grid with power electronic converters. Higher power levels can be achieved ...
  • Quantitative approaches for detecting emerging technologies 

    Ranaei, Samira
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 30.11.2018)
    The rapid pace of globalization of science and technology increased the potential for high-impact technical capabilities to emerge in diverse technical, socio-economic, and geographic areas. Simultaneously, scientific ...
  • Segmentation of Partially Overlapping Convex Objects in Silhouette Images 

    Zafari, Sahar
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 29.11.2018)
    Overlapping objects segmentation is of great importance for the automatic analysis in many industrial and biomedical applications. For example, in industrial applications characteristics of nanoparticles by shape and size ...
  • Ligno-cellulose fibre poly(lactic acid) interfaces in biocomposites 

    Immonen, Kirsi
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 23.11.2018)
    Thermoplastic composite materials based on renewable raw materials are promoted globally in various ways. They can be prepared as durable, but biodegradable materials as poly(lactic acid) (PLA) ligno-cellulose composites ...
  • Inter-organizational mediums: current state and underlying potential 

    Ylä-Kujala, Antti
    Acta Universitatis Lappeenrantaensis (Lappeenranta University of Technology, 22.11.2018)
    The rise of outsourcing has revised inter-organizational relationships in conventional manufacturing industries. Transaction-oriented exchanges have been superseded by relational purchasing, where customers transfer ...

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