Engeneering for Rural Development 2011 - Proceedings

10^th International Scientific Conference

Engineering for Rural Development

26.-27.05.2011 Jelgava, LATVIA

Proceedings	Programme	Organizers
Contents of Proceedings of 10^th International Scientific Conference ENGINEERING FOR RURAL DEVELOPMENT May 26 – 27, 2011 ISSN 1691-5976 Peteris Rivza, Baiba Rivza Latvia University of Agriculture Agricultural science in Latvia Sven Peets, Matis Luik, Arvo Leola Estonian University of Life Sciences Development of applied higher education program biosystems engineering in Estonia Pavel Kic, Milan Zajicek Czech University of Life Sciences Prague; Academy of Science of the Czech Republic New methods in education of HVAC for ERABEE Petr Hermanek, Adolf Rybka, Ivo Honzik, Jiri Masek, Lubomir Vent Czech University of Life Sciences Prague Engineering problems during pulling-down of hop strings and their attachments David Hoffmann, Adolf Rybka, Petr Hermanek, Ivo Honzik Czech University of Life Sciences Prague Technical project for hop cutting equipment in low trellis system Semjons Ivanovs¹, Stanislaw Gach², Ireneusz Skonieczny² ¹Latvia University of Agriculture; ²Warsaw Agricultural University, Poland Investigation into film consumption for sealing square silage bales Dainis Lapins, Janis Kopmanis, Aigars Plume, Janis Gmizo Latvia University of Agriculture Effect of differences in regulated and unregulated factors in soil arable and subsoil layers on yield of winter wheat and winter oil seed rape Jiri Masek, Milan Kroulik, Zdenek Kviz, Vaclav Prosek Czech University of Life Sciences Prague Yield determination of forage crops by round balers pressing Petr Novak¹, Pavel Kovaricek², Jiri Masek¹, Josef Hula¹,² ¹Czech University of Life Sciences Prague; ²Research Institute of Agricultural Engineering, Czech Republic Measurement of soil resistance to water erosion in three ways of establishing maize crop Janis Latvietis, Juris Priekulis Latvia University of Agriculture Consumption of concentrated feed for milk cows in conditions of robotized technology Ansis Salins, Maris Freimanis, Juris Priekulis Latvia University of Agriculture Preparation and distribution of forage mix using mobile machinery Oliver Sada, Boris Reppo Estonian University of Life Sciences Emission of ammonia in pigsties Egidijus Sarauskis¹, Kestutis Romaneckas¹, Edvardas Vaiciukevicius¹, Algirdas Jasinskas¹, Antanas Sakalauskas¹, Sidona Buragiene¹, Evaldas Katkevicius¹, Davut Karayel² ¹Lithuanian University of Agriculture; ²Akdeniz University, Turkey Effect of environmentally friendly tillage machinery on soil properties Dainius Steponavicius, Sigitas Petkevicius, Rolandas Domeika Lithuanian University of Agriculture Determination of rational values of inclination angles of straw walker sections Taavi Leola, Mati Heinloo Estonian University of Life Sciences Review of studies on press manure removal Aivars Aboltins, Andris Upitis Latvia University of Agriculture Mathematical model of carrot slices drying Edgars Rudzroga Latvia University of Agriculture Algorithm for granular material flow recognition using visual data Sandis Vilums Latvia University of Agriculture Towards application of metabolic model of Saccharomyces Cerevisiae in bioprocess control algorithm Ivars Mozga, Andrejs Kostromins, Egils Stalidzans Latvia University of Agriculture Forecast of numerical optimization progress of biochemical networks Agris Pentjuss, Aleksejs Zacepins, Aleksandrs Gailums Latvia University of Agriculture Improving precision agriculture methods with multiagent systems in Latvian agricultural field Jurijs Meitalovs Latvia University of Agriculture Development of chemostat supply system during fermentation process Monika Hromasova, Miloslav Linda Czech University of Life Sciences Prague Simulation of impact sensors for precision agriculture Iulian Voicea¹, Ion Pirna¹, Valentin Vladut¹, Mihai Matache¹, Sorin Bungescu² ¹INMA Bucharest, Romania; ²USAMVB Timisoara, Romania Measuring informational system by satellite used for obtaining of some experimental models of agricultural production maps in the precision agriculture concept Ciprian George Pirna, Simona Lache University “Transilvania” of Brasov, Romania Integration of soil specific parameters in designing decision support system in precision agriculture Tudor Alexandru¹, Mihnea Glodeanu¹, Sorin Boruz¹, Simion Popescu² ¹University of Craiova, Romania; ²Transilvania University of Brasov, Romania Experimental research on mechanized harvesting of peanuts in Romania Mihnea Glodeanu ¹, Tudor Alexandru ¹, Sorin Boruz ¹, Simion Popescu ² ¹University of Craiova, Romania; ²Transilvania University of Brasov, Romania Experimental research on electronic system for automatic adjustment of working flow and moving velocity in agricultural spraying machines Antanas Lapinskas¹, Aleksandras Kirka¹, Valentina Lapinskiene² ¹Lithuanian University of Agriculture; ²ISC Hi Steel, Kaunas, Lithuania Theoretical investigations of vehicle operating with auxiliary driving wheels with hydrostatic transmission Aleksandras Kirka Lithuanian University of Agriculture Research in increasing performance of high hydraulic power systems Janis Laceklis-Bertmanis, Eriks Kronbergs Latvia University of Agriculture Stiffness and damping constant adjustment for tractor hydraulic hitch – system model Aleksandrs Janushevskis¹, Anatolijs Melnikovs¹, Janis Auzins¹, Anita Gerina-Ancane¹, Helmuts Klimass² ¹Riga Technical University, Latvia; ²MERPRO Ltd., Latvia Simulation of behavior of vehicle gage panel Uldis Putnieks Latvia University of Agriculture Automobile fuel consumption changes as affect of load Maris Gailis, Vilnis Pirs Latvia University of Agriculture Research in influence of engine air filter replacement periodicity Dainis Berjoza, Inara Jurgena Latvia University of Agriculture Economic effect of electric vehicles Dainis Berjoza Latvia University of Agriculture Dynamics of slow-moving electric vehicles David Blazej, Jiri Soucek Czech University of Life Sciences Prague Global positioning system utilization for monitoring of energetic biomass logistic processes Juri Olt, Ulo Traat Estonian University of Life Sciences The maintenance costs of Estonian tractor-fleet Dainis Viesturs¹, Nikolajs Kopiks¹, Ligita Melece², Ilmars Zakis³ ¹Latvia University of Agriculture; ²Latvian State Institute of Agrarian Economics; ³State Ltd. ”Certifying and Testing Centre”, Latvia Methodological aspects for estimation of impact of modernisation of fleet of tractors upon polluting emissions in the air Jan Krmela¹, Vladimira Tomanova² ¹University of Pardubice, Czech Republic; ²Trenčín University of Alexander Dubček, Slovakia Composites with nonlinear matrix for transport means – experimental and computational modeling Inshakov Sergey, Ishchenko Sergey, Osipov Maxim, Klepcova Julia Primorskaya State Academy of Agriculture, Russia Modern technologies of technical service of caterpillar running part Mihaela Florentina David, Edmond Maican “Politehnica” University of Bucharest, Romania Study of model with single degree of freedom for tractors Sorin-Stefan Biris, Nicoleta Ungureanu, Edmond Maican, Erol Murad, Valentin Vladut University “Politehnica” of Bucharest, Romania FEM model to study the influence of tire pressure on agricultural tractor wheel defoemtations Simion Popescu¹, Sorin Boruz² , Mihnea Glodeanu², Tudor Alexandru², Florin Loghin¹ ¹Transilvania University of Brasov, Romania; ²University of Craiova, Romania Contributions to development and testing of centralized control system of inflation pressure in agricultural tractor tyres according to soil and working conditions Birute Skukauskaite, Stasys Slavinskas Lithuanian University of Agriculture Experimental investigation on injection characteristics of rapeseed oil as fuel for diesel engines Vladimir Baks, Ilmars Dukulis, Aivars Birkavs Latvia University of Agriculture Emission and fuel consumption studies using separated at low temperatures pure rapeseed oil Gunars Bremers¹, Gints Birzietis¹, Anita Blija¹, Aleksejs Danilevics²Arnolds Skele¹ ¹Latvia University of Agriculture; ²University of Latvia Scheme of technology for congruent dehydration of bioethanol in semi-arid way Juri Olt, Villu Mikita, Risto Ilves, Arne Kuut Estonian University of Life Sciences Ethanol as an additive fuel for diesel engines Juri Olt, Villu Mikita, Risto Ilves, Arne Kuut, Marten Madissoo Estonian University of Life Sciences Impact of ethanol on fuel injection pump of diesel engine Krzysztof Gorski¹, Ruslans Smigins² ¹Technical University of Radom, Poland; ²Latvia University of Agriculture Impact of ether/ethanol and biodiesel blends on combustion process of compression ignition engine Gvidonas Labeckas, Stasys Slavinskas, Marius Mazeika, Kastytis Laurinaitis Lithuanian University of Agriculture Performance and emission characteristics of diesel engine fuelled with ethanol-diesel-biodiesel blend Ilona Odzina¹, Reinis Rutkis², Uldis Kalnenieks² ¹Latvia University of Agriculture; ²University of Latvia In silico engineering of biochemical network of Zymomonas Mobilis adaptation for glycerol conversion into bioethanol Janis Mistris, Gints Birzietis Latvia University of Agriculture Most widespread truck fuel systems in Latvia Janis Mistris, Gints Birzietis Latvia University of Agriculture Perspective most widespread used vehicle fuel systems in Latvia Valentin Vladut¹, Mihai Matache¹, Iulian Voicea¹, Lucretia Popa¹, Sorin Biris², Gige Paraschivl,², Edmond Maican² ¹INMA Bucharest, Romania; ²USAMVB Timisoara, Romania New biodegradable oils used in agriculture Kaupo Toom¹, Kuno Jurjenson¹, Tauno Juhanson², Andres Annuk¹ ¹Estonian University of Life Sciences; ²Eesti Energia AS Cutting wind generator power chart peaks to mitigate power forecast error Andres Annuk¹, Timo Tamm¹, Terje Hõim¹, Yiannis A Katsigiannis², Veli Palge¹ ¹Estonian University of Life Sciences; ²Technological Educational Institute of Crete, Greece Configuration of integrated energy system according to probabilistic information Ivars Rankis¹, Janis Donins¹, Vytautas Beniusis² ¹Riga Technical University, Latvia; ²Klaipeda University, Lithuania Compensated single-phase rectifier Vitalijs Osadcuks, Aldis Pecka, Aldis Lojans Latvia University of Agriculture Hardware and software environment for evaluation of control algorithms and strategies of hybrid power systems Dmitrij Shirkin, Ivars Rankis Riga Technical University, Latvia Power efficiency improvement of heating substation using pump motor speed rate regulation Janis Zakis¹, Dmitri Vinnikov², Juhan Laugis², Ivars Rankis¹ ¹Riga Technical University, Latvia; ²Tallinn University of Technology, Estonia Experimental study of dynamic behavior of different flexible systems for reactive power compensation Liene Kancevica, Aivars Aboltins Latvia University of Agriculture Substantiation for construction of solar collector with reflectors Guntis Ruskis, Aivars Aboltins, Janis Palabinskis Latvia University of Agriculture Different material investigations in air-heating flat-plate solar collector Tatiana Ivanova¹, Bohumil Havrland¹, Victor Pobedinsky², Alexandru Muntean² ¹Czech University of Life Sciences Prague; ²State Agrarian University of Moldova Analysis of system of biomass drying by use of experimental dryer with solar collector Edmunds Visockis, Peteris Vucenlazdans, Vita Ansone, Ilga Morozova Rezekne Higher Education Institution; Latgale sustainable development research institute Research on possibilities for decreasing heat losses in buildings Eriks Krumins¹, Ilze Dimdina², Arturs Lesinskis² ¹Latvia University of Agriculture; ²Riga Technical University, Latvia Heat energy consumption analysis in Riga city not renovated public buildings and in buildings after partial renovation Janis Fridrihsons Latvia University of Agriculture Water curative treatment device Liena Poisa, Aleksandrs Adamovics Latvia University of Agriculture Evaluate of hemp (Cannabis Sativa L.) quality parameters for bioenergy production Vilis Dubrovskis, Eduards Zabarovskis, Vladimirs Kotelenecs Latvia University of Agriculture Technologies for biogas production in agriculture of Latvia Vladimirs Kotelenecs,Vilis Dubrovskis, Eduards Zabarovskis Latvia University of Agriculture Anaerobic digestion technologies for dry biomass Janis Jasko¹,², Eriks Skripsts¹,², Vilis Dubrovskis¹, Eduards Zabarovskis¹, Vladimirs Kotelenecs¹ ¹Latvia University of Agriculture; ²Institute of Biomechanics and Physical Research, Latvia Biogas production from cheese whey in two phase anaerobic digestion Eriks Skripsts¹,², Vilis Dubrovskis¹, Janis Jasko¹,², Eduards Zabarovskis¹, Vladimirs Kotelenecs¹ ¹Latvia University of Agriculture; ²Institute of Biomechanics and Physical Research, Latvia Investigation of biogas production of cheese whey in processing with ozone before anaerobic digestion Kestutis Navickas, Kestutis Venslauskas, Vidmantas Zuperka, Arvydas Nekrosius, Tadas Kulikauskas Lithuanian University of Agriculture Energy balance of biogas production from perennial grasses Vilis Dubrovskis, Aleksandrs Adamovics, Imants Plume, Vladimirs Kotelenecs, Eduards Zabarovskis Latvia University of Agriculture Biogas production from greater burdock, largeleaf lupin and sosnovsky cow parsnip Milan Brozek Czech University of Life Sciences Prague Layer number influence on weld deposit chemical composition Petr Henc, Petr Chocholous, Miroslav Muller, Jiri Kejval Czech University of Life Sciences Prague Methylmetacrylate (adhesive) – influence of climatic conditions on properties of adhesive bond Galina Kharkova, Olga Kononova, Andrejs Krasnikovs, Maris Eiduks, Edgars Machanovskis, Karlis Dzelzitis Riga Technical University, Latvia Elastic properties of cotton fabric based polymer composites Agrita Kovalska, Janis Auzins Riga Technical University, Latvia Investigation of vibropressing process technology Gunars Verdins, Daina Kanaska Latvia University of Agriculture Research in metalworking efficiency in dependance on bench facilities Julia Meciarova, Miroslav Stanovsky Technical University in Zvolen, Slovakia Cutting fluids evaluation based on occupational health and environmental hazards Miroslav Muller Czech University of Life Sciences Prague Polymeric composites based on Al2O3 reinforcing particles Vladimirs Gonca, Yurijs Shvabs Riga Technical University, Latvia Definition of Poisson's ratio of elastomers Petr Valasek Czech University of Life Sciences Prague Strength characteristics of polymer particle composites with filler on the basis of waste from mechanical surface treatment Aivars Kakitis, Imants Nulle, Dainis Ancans Latvia University of Agriculture Mechanical properties of energy crops Andris Kronbergs, Eriks Kronbergs, Elgars Siraks, Aleksandrs Adamovics Latvia University of Agriculture Cutting properties of different hemp varieties in dependence on the cutter mechanism Edgars Repsa, Eriks Kronbergs, Mareks Smits Latvia University of Agriculture Briquetting mechanism analysis for solid biofuel production Igors Tipans, Semjons Cifanskis, Janis Viba, Vladimirs Jakushevich, Bruno Grasmanis, Guntis Kulikovskis Riga Technical University, Latvia Synthesis of a robot fish prototype Maris Eiduks, Janis Viba, Lauris Shtals, Edgars Kovals, Stanislavs Noskovs Riga Technical University, Latvia Fluid flow vibration excitation by the control of interaction surface Janis Viba, Anita Gerina-Ancane, Guntis Kulikovskis, Paolo Fiorini, Liene Porina Riga Technical University, Latvia; University of Verona, Italy Anlysis of transport speed control based on fuzzy logics elements Emils Pudans, Guntars Uzklingis Latvia University of Agriculture Research in dismountable slide friction pivot operation for conveyor chain Florin Loghin, Simion Popescu, Florean Rus Transilvania University of Brasov, Romania Dynamic modeling of working sections of grassland oversowing machine MSPD-2.5 Sylvia Kusmierczak Jan Evangelista Purkyně University in Ústí nad Labem, Czech Republic Corrosion resistance of titanium alloy Gheorghe Voicu, Eorgiana Moiceanu, Marin Sandu, Ion Cristian Poenaru , Paula Voicu “Politehnica” University of Bucharest, Romania Experiments regarding mechanical behaviour of energetic plant miscanthus to crushing and shear stress Imants Bertaitis, Baiba Briede, Ludis Peks Latvia University of Agriculture Trends of specialists competence in work safety Anete Mezote Latvia University of Agriculture Development of cross-cultural communication skills of engineering students Larisa Malinovska Latvia University of Agriculture Promotion of engineering student competences in extra-curriculum activities Gatis Vitols¹, Irina Arhipova¹, Yukako Hirata² ¹Latvia University of Agriculture; ²Hewlett-Packard Japan, Ltd. Improvement of engineering website for cross-cultural accessibility and usability Irina Orlova, Anda Zeidmane Latvia University of Agriculture Problems in professional English writing skills development for students of engineering sciences Irena Katane Latvia University of Agriculture Methodological bases for evaluation of specialist competitiveness Anita Aizsila Latvia University of Agriculture Development of professional education teacher competences at the Latvia University of Agriculture Sandra Sproge, Rudite Cevere Latvia University of Agriculture Software development quality models in engineering education Alexandra Novakova, Milan Brozek Czech University of Life Sciences Prague Evaluation of teaching the subject “Basic Engineering Technologies” Vladimir Romanenko¹, Galina Nikitina² ¹St-Petersburg State University of Technology and Design, Russia; ²North-West Branch of the Academy of Information Technologies in Education, Russia Some theoretical descriptions of computer assisted learning Natasa Naprstkova Jan Evangelista Purkyně University in Ústí nad Labem, Czech Republic Using of CATIA V5 software for teaching at Faculty of Production Technology and Management Natasa Naprstkova Jan Evangelista Purkyně University in Ústí nad Labem, Czech Republic Making of experiment for student usage Kaspars Vartukapteinis, Antonina Cukure, Janis Cukurs Latvia University of Agriculture Process of studies evaluated by students