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Determining risk potential through accidents and near-accidents: an empirical study in a steel factory
LTKK Tieteellisiä julkaisuja - Research papers (Lappeenraata University of Technology, 27.09.1984)Fatal and permanently disabling accidents form only one per I cent of all occupational accidents but in many branches of industry they account for more than half the accident costs. Furthermore the human suffering of the ... -
An experimental and theoretical study of multiphase flow in a circulating fluidized bed
Tieteellisiä julkaisuja - Research Papers (Lappeenranta University of Technology, 11.08.1989)A systematic averaging procedure has been derived in order to obtain an integral form of conservation equations for dispersed multiphase flow, especially applicable to fluidized beds. A similar averaging method is applied ... -
On the effects of welding parameters on weld quality of plasma arc keyhole welding of structural steels
Tieteellisiä julkaisuja - Research papers (Lappeenranta University of Technology, 08.12.1989)The possibility and the usefulness of applying plasma keyhole welding to structural steels with different compositions and material thicknesses, and in various welding positions has been examinated. Single pass butt welding ... -
The high-speed induction motor: calculating the effects of solid-rotor material on machine characteristics
Acta Polytechnica Scandinavica, Electrical Engineering Series (the Finnish Academy of Technology, 1991)A method for the analysis of high-speed solid-rotor induction motors in presented. The analysis is based on a new combination of the three dimensional linear method and the transfer matrix method. Both saturation and finite ... -
Paperin laadun ja siihen valmistusprosessissa vaikuttavien tekijöiden on-line mittaukset
Tieteellisiä julkaisuja - Research Papers (Lappeenrannan teknillinen korkeakoulu, 06.03.1993) -
Mk-factor Equations and Crack Growth Simulations for Fatigue of Fillet-welded T-joints
Tieteellisiä julkaisuja - Research Papers (Lappeenraata University of Technology, 22.06.1993) -
Offdesign operation of kraft recovery boiler
LTKK Tieteellisiä julkaisuja - Research Papers (Lappeenranta University of Technology, 01.10.1993)A model to solve heat and mass balances during the offdesign load calculations was created. These equations are complex and nonlinear. The main new ideas used in the created offdesign model of a kraft recovery boiler are ... -
Strategy Implementation Bottlenecks: Identification, Analysis and Removal
LTKK Tieteellisiä julkaisuja - Research PapersURN:ISSN;0356-8210 (1994)This thesis investigates the strategy implementation process of enterprices; a process whichhas lacked the academic attentioon compared with a rich strategy formation research trdition. Strategy implementation is viewed ... -
Aksiaalisen labyrinttitiivisteen virtaustekninen suunnittelu
(1994)Tutkimuksessa selvitettiin eri laskentamenetelmien sopivuutta labyrinttitiivisteen vuodon arviointiin. Tutkimus perustuu julkaistuun kirjallisuuteen ja aikaisemmin suoritettuihin ja raportoituihin koetuloksiin. Omia ... -
A mathematical study of fuzzy logic; an algebraic approach
LTKK Tieteellisiä julkaisuja - Research PapersURN:ISSN:0356-8210 (1994)Fuzzy set theory and Fuzzy logic is studied from a mathematical point of view. The main goal is to investigatecommon mathematical structures in various fuzzy logical inference systems and to establish a general mathematical ... -
Thermal-Hydraulic Studies on the Safety Of VVER-440 Type Nuclear Power Plants
Tieteellisiä julkaisuja - Research papers (Lappeenranta University of Technology, 07.01.1994)This thesis includes several thermal hydraulic analyses related to the Loviisa WER 440 nuclear power plant units. The work consists of experimental studies, analysis of the experiments, analysis of some plant transits and ... -
A Practical Micro Mechanical Model Based Local Approach Methodology for the Analysis of Ductile Fracture of Welded T-Joints
Tieteellisiä julkaisuja - Research Papers (Lappeenranta University of Technology, 04.03.1994)This thesis concentrates on developing a practical local approach methodology based on micro mechanical models for the analysis of ductile fracture of welded joints. Two major problems involved in the local approach, namely ... -
Knapsack sets for cryptography
LTKK Tieteellisiä julkaisuja - Research papers (Lappeenraata University of Technology, 06.05.1994)The basic goal of this study is to extend old and propose new ways to generate knapsack sets suitable for use in public key cryptography. The knapsack problem and its cryptographic use are reviewed in the introductory ... -
Toimitustäsmällisyyden suunnittelumenetelmä
Tieteellisiä julkaisuja - Research Papers (Lappeenrannan teknillinen korkeakoulu, 25.11.1994)Tutkimuksen ongelma on toimitusten ajallisen täsmällisyyden heikkeneminen kuljetuspolkujen pidentyessä ja erillisten suoritteitten lukumäärän kasvaessa. Näin usein tapahtuu toiminnan kansainvälistyessä. Tutkimuksen tavoitteena ... -
An analytic approach to distribution logistics strategic management
LTKK Tieteellisiä julkaisuja - Research papers (Lappeenranta University of Technology, 02.12.1994)Logistics management is increasingly being recognised by many companies to be of critical concern. The logistics function includes directly or indirectly many of the new areas for achieving or maintaining competitive ... -
Essays on Innovativeness and its Evaluation in Small and Medium-sized Enterprises
LTKK Tieteellisiä julkaisuja - Research PapersURN:ISSN:0356-8210 (1995)Tutkimus koostuu neljästä artikkelista, jotka käsittelevät suomalaisten pienten ja keskisuurten teollisuusyritysten (PKT-yritysten) innovatiivisuutta, sen attribuutteja (ominaispiirteitä) sekä indikaattoreita. Tutkimuksessa ... -
Yrityksen strategiaprosessi : Näkökulmia strategisen johtamisen kehitämiseksi konserniorganisaatiossa
Tietellisiä julkaisuja - Research papers (Lappeenrannan teknillinen korkeakoulu, 23.05.1995)Tämän tutkimuksen tavoitteena oli määritellä strategiaprosessiin liittyvät kriittiset alueet, konsernijohdon tehtävät strategiaprosessissa sekä edellisten pohjalta kehittää konsernityyppiselle yritykselle normatiivinen ... -
The effects of productivity on profitability: a case study at firm level using an activity-based costing approach
LTKK Tieteellisiä julkaisuja - Research PapersURN:ISSN:0356-8210 (04.08.1995)Productivity and profitability are important concepts and measures describing the performance and success of a firm. We know that increase in productivity decreases the costs per unit produced and leads to better profitability. ... -
Validation Studies of Thermal-hydraulic Code for Safety Analysis of Nuclear Power Plants
LTKK Tieteellisiä julkaisuja - Research PapersURN:ISSN:0356-8210 (27.10.1995)This thesis gives an overview of the validation process for thermal hydraulic system codes and it presents in more detail the assessment and validation of the French code CATHARE for VVER calculations. Three assessment ... -
Coping with Technology: A Study on Economic Methodology and Strategic Management of Technology
LTKK Tieteellisiä julkaisuja - Research papersURN:ISSN:0356-8210 (08.12.1995)There is a broad consensus among economists that technologicalchange has been a major contributor to the productivity growth and, hence, to the growth of the material welfare in western industrialized countries at least ...
