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Quantitative approaches for detecting emerging technologies
(Lappeenranta University of Technology, 2018-11-30)
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 ...
Kiertokaasukompressorin monitorointi simulointimallilla
(2018)
Työn tavoitteena on selvittää Nesteen Porvoon jalostamolla olevan vetykrakkaus-yksikön (VK) kiertokaasukompressorin toimintapiste, sekä tutkia mittalevyillä tehtävän virtausmittauksen virhearviota. Kompressorin toimintapisteen ...
LCL Filter Designs for Parallel-Connected Grid Inverters
(Lappeenranta University of Technology, 2018-12-04)
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 ...
Key factors in SME supply chain risk assessment
(2018)
Supply risk management is an issue of increasing importance amongst many companies as well as scientists. The aim of this thesis is to explore the key factors in SME supply risk assessment by assessing the supply risks of ...
Predictive maintenance for Valmet's breast roll shaker
(2019)
Digitalization and the Industrial Internet of Things (IIoT) enables the collection and analysis of vast amounts of data. Big data is often not utilized optimally, especially when regarding the condition and maintenance of ...
Ownership unbundling in electricity distribution: The Russian experience
(Elsevier, 2018-10-15)
Russia is the first and thus far only country that has separated ownership of electricity distribution and transmission and then, a few years later, reunified these services under one company. We examine the impact of these ...
Data analytics for predictive maintenance in a pulp mill : case electric motors
(2018)
Industry is going through the fourth industrial revolution, as sensors and devices in industrial
sites are being connected to the Internet. The collected data can be refined with
machine learning and data analytics to ...
Wet grinding of CaCO3 with a stirred media mill: Influence of obtained particle size distributions on pressure filtration properties
(Elsevier, 2015-03)
Chemical and process industries utilize stirred media mills for efficient fine grinding of solids. Stirred media mills, also referred to as stirred ball or stirred bead mills, generally have a good ability to produce fine ...
Effect of Precipitation Temperature on the Properties of Cellulose Ultrafiltration Membranes Prepared via Immersion Precipitation with Ionic Liquid as Solvent
(MDPI, 2018-09-25)
Supported cellulose ultrafiltration membranes are cast from a cellulose-ionic liquid solution by the immersion precipitation technique. The effects of coagulation bath temperature and polymer concentration in the casting ...
Understanding and leveraging the social network services in innovation ecosystems
(Lappeenranta University of Technology, 2018-10-05)
In today’s knowledge-based economies, it is generally accepted that innovations are integral to the foundation of both regional and national economic development, as well as one of the main causes for social and technical ...