10th International Scientific Conference

Engineering for Rural Development

26.-27.05.2011 Jelgava, LATVIA

Proceedings

Programme

Organizers


Contents of Proceedings of 10th 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