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Kajaani, Finland

Kajaani University of Applied science is a small university of applied science located in the town of Kajaani. There are approximately 2000 students and 230 members of staff at KUAS. Kajaani University of Applied science has achieved success nationally in Ministry of Education and Culture outcome barometers where the quality of teaching and counseling has been considered the best in Finland for several years running. Based on a survey published in Talouselämä -newspaper in 2011, KUAS was ranked as Finland's best university of applied science. KUAS' quality management system was among the first to be audited and approved in 2007. On Kajaani University of Applied science' integrated campus area all student services are close to each other. The campus, located just a short walk away from the town centre, is surrounded by nature and different kinds of sports facilities.The operations and organizational structure of KUAS are based on five areas of competence. Activity Tourism Information Systems Nursing and Healthcare Mechanical and Mining Engineering Business and InnovationsKajaani University of Applied science offers 8 Bachelor's degree programmes and 5 Master programmes delivered in Finnish in these competence areas. In addition, KUAS offers two degree programmes delivered in English: Degree Programme in International Business Degree Programme in Sports and Leisure Management The extent of studies in a university of applied science is 210 - 240 credits , which means 3,5 – 4 years of studies. An essential part of studies is practical training worth 30 credits , designed to provide students with the opportunity to put theory into practice. Internationality is emphasized in all education offered at Kajaani University of Applied science. It is possible to complete part of the studies and the practical training also abroad using the worldwide network of partners. Kajaani UAS also offer double degree programmes, giving the students an opportunity to finish their studies with two bachelor's degrees. Wikipedia.

Ruotsalainen K.,University of Oulu | Rantaharju T.,University of Oulu | Partanen A.,Kajaani University of Applied Sciences | Romppainen P.,University of Oulu
IEEE Instrumentation and Measurement Magazine | Year: 2013

Several occupational groups are exposed to substantial amounts of vibration daily due to normal working routines, like operating heavy equipment or driving vehicles on uneven surfaces. Vibration that affects the whole human body and is transferred to the body through supporting systems such as the seat or floor is defined as whole-body vibration (WBV). Studies have shown that longterm exposure to WBV creates adverse health effects, of which lower back pain is the most common. Such symptoms may affect a person's quality of life or even cause incapacitation. Even though a correlation between health problems and long-term WBV exposure is evident, mechanisms behind the symptoms have remained unexplained. This paper presents a novel approach to the continuous observation of WBV in heavy machinery. The key elements of the approach are the incorporation of a measurement system into heavy machinery, enhanced comfort, ease of use, and cost-effectiveness. Small alternative sensor devices that improve comfort with respect to the standardized method were investigated in wired and wireless form. Wireless data transmission was then utilized to provide effortless and cost-effective data acquisition from the machinery to the remote server. The system was able to execute the calculations, transfer the resulting parameters to a remote server where information about predominant vibration conditions could be accessed instantaneously, and acquire and store raw acceleration data for further research. © 1998-2012 IEEE. Source

Niskanen I.,University of Oulu | Harkonen M.,Kajaani University of Applied Sciences | Hibino K.,Japan National Institute of Advanced Industrial Science and Technology | Suoranta T.,University of Oulu | And 2 more authors.
Optik | Year: 2016

This study focuses on the development of an analytical method for simultaneous retrieval of the refractive index and the concentration of particles by measuring suspensions in industrial applications. The proposed method is based on the wavelength-matching method, where the idea is to find the maximum value of light transmittance of the suspension by scanning the irradiation wavelength. The samples were calcium fluoride (CaF2) powders manufactured by different global producers. The wavelength-matching method is suggested to be a relatively easy, economic and fast modality to retrieve the refractive index of particles. The wavelength-matching method is also considered to be independent on particle size and morphology. The refractive index is of high importance, for instance, if the opacity of products, such as paper or sunscreens, is sought to be increased for product quality improvement. Crown Copyright © 2016 Published by Elsevier GmbH. All rights reserved. Source

Luukkonen T.,University of Oulu | Luukkonen T.,Kajaani University of Applied Sciences | Heyninck T.,Plantijn College | Ramo J.,University of Oulu | And 2 more authors.
Water Research | Year: 2015

The use of organic peracids in wastewater treatment is attracting increasing interest. The common beneficial features of peracids are effective anti-microbial properties, lack of harmful disinfection by-products and high oxidation power. In this study performic (PFA), peracetic (PAA) and perpropionic acids (PPA) were synthesized and compared in laboratory batch experiments for the inactivation of Escherichia coli and enterococci in tertiary wastewater, oxidation of bisphenol-A and for corrosive properties. Disinfection tests revealed PFA to be a more potent disinfectant than PAA or PPA. 1.5 mg L-1 dose and 2 min of contact time already resulted in 3.0 log E. coli and 1.2 log enterococci reduction. Operational costs of disinfection were estimated to be 0.0114, 0.0261 and 0.0207 €/m3 for PFA, PAA and PPA, respectively. Disinfection followed the first order kinetics (Hom model or S-model) with all studied peracids. However, in the bisphenol-A oxidation experiments involving Fenton-like conditions (pH = 3.5, Fe2+ or Cu2+ = 0.4 mM) peracids brought no additional improvement to traditionally used and lower cost hydrogen peroxide. Corrosion measurements showed peracids to cause only a negligible corrosion rate (<6 μm year-1) on stainless steel 316L while corrosion rates on the carbon steel sample were significantly higher (<500 μm year-1). © 2015 Elsevier Ltd. Source

Sarkkinen M.,Kajaani University of Applied Sciences | Luukkonen T.,Kajaani University of Applied Sciences | Kemppainen K.,Kajaani University of Applied Sciences
Wastes: Solutions, Treatments and Opportunities - Selected Papers from the 3rd Edition of the International Conference on Wastes: Solutions, Treatments and Opportunities, 2015 | Year: 2015

The economic and ecological utilization of biomass based fly ashes (bioashes) generated in energy production is a growing problem. In addition, waste rock forms the highest amount of unused waste material. On the other hand, the structural load bearing capacities of roads increasingly require repair and strengthening partly due to the negative effects of climate change. This study investigates the use of a bioash and waste rock mixture as a stabilization material in road construction. The experimental phase compares the effects of different additives with bioash. The characteristics of the materials and mixtures are studied using X-ray fluorescence (XRF), X-ray diffraction (XRD) and thermogravimetric analysis (TGA). In addition, unconfined compressive strength, optimum moisture content and freeze-thaw resistance are studied. The results show that bioash and dolomite based waste rock react together, forming a strong and durable material suitable, for example, for base course stabilization. © 2015 Taylor & Francis Group, London. Source

Luukkonen T.,Kajaani University of Applied Sciences | Luukkonen T.,University of Oulu | Runtti H.,University of Oulu | Niskanen M.,University of Oulu | And 6 more authors.
Journal of Environmental Management | Year: 2016

The mining industry is a major contributor of various toxic metals and metalloids to the aquatic environment. Efficient and economical water treatment methods are therefore of paramount importance. The application of natural or low-cost sorbents has attracted a great deal of interest due to the simplicity of its process and its potential effectiveness. Geopolymers represent an emerging group of sorbents. In this study, blast-furnace-slag and metakaolin geopolymers and their raw materials were tested for simultaneous removal of Ni(II), As(III) and Sb(III) from spiked mine effluent. Blast-furnace-slag geopolymer proved to be the most efficient of the studied materials: the experimental maximum sorption capacities for Ni, As and, Sb were 3.74 mg/g, 0.52 mg/g, and 0.34 mg/g, respectively. Although the capacities were relatively low due to the difficult water matrix, 90-100% removal of Ni, As, and Sb was achieved when the dose of sorbent was increased appropriately. Removal kinetics fitted well with the pseudo-second-order model. Our results indicate that geopolymer technology could offer a simple and effective way to turn blast-furnace slag to an effective sorbent with a specific utilization prospect in the mining industry. © 2015 Elsevier Ltd. Source

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