8th International Scientific Conference

Engineering for Rural Development

28.-29.05.2009 Jelgava, LATVIA

Proceedings

Programme

Organizers

Sponsors


Contents of Proceedings of 8th International Scientific Conference
ENGINEERING FOR RURAL DEVELOPMENT
May 28 – 29, 2009

ISSN 1691-5976


Ilmars Dukulis, Vilnis Pirs, Zanis Jesko, Aivars Birkavs, Gints Birzietis

Latvia University of Agriculture

TESTING OF AUTOMOBILE VW GOLF OPERATING ON THREE DIFFERENT FUELS


Vilis Dubrovskis, Imants Plūme

Latvia University of Agriculture

FORECASTING OF GHG EMISSIONS FROM BIOMASS ENERGY USAGE IN LATVIA


Telse Vogel, Matthias Ahlhaus, Mirko Barz

University of applied science of Stralsund, Germany

OPTIMISATION OF THE BIOGAS PRODUCTION FROM GRASS BY DRY-WET FERMENTATION


Aigars Plume, Gundega Dinaburga, Janis Kopmanis, Dainis Lapins, Andris Berzins

Latvia University of Agriculture

EFFECT OF SOIL DEEP PLOUGHING ON WINTER WHEAT DEPENDING ON SOIL CONDITIONS


Ansis Saliņš, Juris Priekulis

Latvia University of Agriculture

RESEARCH IN MIXED FEED DISTRIBUTION LINE ON LATVIA UNIVERSITY OF AGRICULTURE TRAINING AND RESEARCH MILK FARM "VECAUCE"


Armīns Laurs, Juris Priekulis, Mārtiņš Puriņš

Latvia University of Agriculture

STUDIES OF OPERATING PARAMETERS IN MILKING ROBOTS


Arvids Vilde, Adolfs Rucins, Edmunds Pirs

Latvia University of Agriculture

IMPACT OF SOIL HUMIDITY ON THE DRAFT RESISTANCE OF THE PLOUGH BODY


Jānis Latvietis, Juris Priekulis

Latvia University of Agriculture

FEED COSTS FOR COWS IN RELATION TO MILK YIELD AND FEEDING


Jiří Mašek, Milan Kroulík and František Kumhála

Czech University of Life Sciences

BENEFITS OF CONTROLLED TRAFFIC FARMING


Orlando - Sorin Opris, Simion Popescu

Transilvania University of Brasov

THEORETICAL AND EXPERIMENTAL RESEARCHES CONCERNING THE INFLUENCE OF THE VERTICAL OSCILLATIONS OF THE PRECISION SEEDER UNITS ON THE DRILLING PARAMETERS


Petr Heřmánek, Adolf Rybka, Ivo Honzík, Bohuslav Jošt

Czech University of Life Sciences

HOP PROCESSING SYSTEM INNOVATION WITH FINAL PRODUCT QUALITY INCREASING


Oliver Sada, Boris Reppo

Estonian University of Life Sciences

EFFECT OF ANIMAL KEEPING TECHNOLOGIES ON THE PIGSTY INNER CLIMATE IN SUMMER


Vadim Kitikov, Eugene Ternov

The Republican Unitary Enterprise "Scientific-Practical Centre of the National Academy of Sciences of Belarus of Agriculture Mechanization"

COMPARATIVE TECHNICAL AND ECONOMIC ANALYSIS OF COMPLEX DAIRY MANAGEMENT SYSTEMS ON THE BASIS OF RADIO-FREQUENCY AND INFRA-RED IDENTIFICATION OF ANIMALS FOR MILKING PARLOR OF FOREIGN MANUFACTURE


Juris Priekulis, Jânis Latvietis

Latvia University of Agriculture

ECONOMIC PROFITABILITY OF MILK PRODUCTION


Emīls Pudāns, Guntars Uzkliņģis

Latvia University of Agriculture

DETERMINATION OF GEOMETRIC AND KINEMATIC PARAMETERS OF CHAIN WITH ROLLING FRICTION JOINTS


Volodimir Bulgakov1, Semjons Ivanovs2

1National Agrarian University of Ukraine, 2Latvia University of Agriculture

MATHEMATICAL SIMULATION OF OSCILLATIONS OF TOWED AGRICULTURAL AGGREGATES


Aleksandras Kirka

Lithuanian University of Agriculture

INVESTIGATION OF PARAMETERS OF ACCUMULATOR TRANSMISSION OF SELF-MOVING MACHINE


Alexandr Arshanitsa1, Inesa Barmina2, Galina Telysheva1, Tatjana Dizhbite1, Anna Andersone1, Maija Zake2, Ilmars Grants2

1Latvian State Institute of Wood Chemistry, 2Institute of Physics

THE COMPOSITION AND FUEL CHARACTERISTICS OF NON-HYDROLYZED RESIDUES FROM WHEAT STRAW ETHANOL PRODUCTION


Antanas Juostas, Algirdas Janulevičius

Lithuanian University of Agriculture

INVESTIGATION OF INTERACTION BETWEEN TRACTOR LOAD AND DATA COLLECTED IN THEIR MODULES


Arne Kyyt, Jyri Olt

Estonian University of Life Sciences

PRODUCTION OF VEGETABLE OIL AS FUEL


Dainis Berjoza, Arnis Mickevičs

Latvia University of Agriculture

RESEARCH IN PARAMETERS OF BRAKING FOR AUTOMOBILES


Gunārs Brēmers1, Gints Birzietis1, Anita Blija1, Arnolds Šķēle1, Aleksejs Daņiļevičs2

1Latvia University of Agriculture, 2Latvia University

BIOETHANOL CONGRUENT DEHYDRATATION


Gvidonas Labeckas, Stasys Slavinskas

Lithuanian University of Agriculture

PERFORMANCE AND EMISSION CHARACTERISTICS OF OFF-ROAD DIESEL ENGINE OPERATING ON RAPESEED OIL AND PETROL BLENDS


Ilmars Dukulis, Aivars Birkavs, Gints Birzietis, Vilnis Pirs

Latvia University of Agriculture

ADAPTING OF AUTOMOBILE VW GOLF FOR USING PURE RAPESEED OIL AS A FUEL


Ilmars Dukulis, Vilnis Pirs, Zanis Jesko, Aivars Birkavs, Gints Birzietis

Latvia University of Agriculture

DEVELOPMENT OF METHODICS FOR TESTING AUTOMOBILES OPERATING ON BIOFUELS


Nikolajs Kopiks, Dainis Viesturs

Latvia University of Agriculture

THE FLEET OF TRACTORS ON THE FARMS OF LATVIA AND THE TRENDS OF ITS DEVELOPMENT


Pavels Karabesko, Maija Strele, Rasma Serzane, Mara Jure

Riga Technical University

ENVIRONMENTALLY FRIENDLY PRODUCTION TECHNOLOGY OF BIODIESEL


Simion Popescu, Nastase Sutru

Transilvania University of Brasov

CONTRIBUTIONS TO THE STUDY OF THE DYNAMICS OF AGRICULTURAL TRACTORS EQUIPPED WITH FRONT-END LOADER AND REAR FORKLIFT LOADER


Tālis Paeglis, Pāvels Karabeško, Inese Mieriņa, Rasma Seržane, Maija Strēle, Velta Tupureina, Māra Jure

Riga Technical University

COMPOSITIONS OF HYDRAULIC FLUIDS BASED ON RAPESEED OIL AND ITS DERIVATIVES


Aivars Aboltiņš, Jānis Palabinskis, Aigars Lauva, Guntis Rušķis

Latvia University of Agriculture

THE INVESTIGATIONS OF AIR SOLAR COLLECTOR EFFICIENCY


Aivars Aboltiņš, Jānis Palabinskis, Aigars Lauva, Guntis Rušķis

Latvia University of Agriculture

THE STEEL-TINPLATE ABSORBERS INVESTIGATIONS IN AIR SOLAR COLLECTOR


Aivars Kaķītis1, Mareks Šmits1, Ina Belicka2

1Latvia University of Agriculture, 2State Stende Cereal Breeding Institute

SUITABILITY OF CROP VARIETIES FOR HEAT ENERGY PRODUCTION


Andis Lazdiņš1, Henrik Von Hofsten2, Dagnija Lazdiņa1, Valentīns Lazdāns1

1Latvian State Forestry Research Institute "Silava",2The Forestry Research Institute of Sweden (Skogforsk)

PRODUCTIVITY AND COSTS OF STUMP HARVESTING FOR BIOENERGY PRODUCTION IN LATVIAN CONDITIONS


Andrievs Ilsters, Imants Ziemelis, Igors Kristutis

Latvia University of Agriculture

POSIBILITY OF HEAT PUMP USE FOR PIGLET RESTING PLACE HEATING


Ēriks Kronbergs, Mareks Šmits

Latvia University of Agriculture

CUTTING PROPERTIES OF COMMON REED BIOMASS


Imants Ziemelis, Liene Kancevica, Zanis Jesko, Henriks Putans

Latvia University of Agriculture

CALCULATION OF ENERGY PRODUCED BY SOLAR COLLECTORS


Ilze Pelēce, Uldis Iljins, Imants Ziemelis

Latvia University of Agriculture

MEASUREMENTS AND THEORETICAL CALCULATIONS OF DIFFUSED RADIATION AND ATMOSPHERE LUCIDITY


Jüri Olt, Mihkel Laur

Estonian University of Life Sciences

BRIQUETTING DIFFERENT KINDS OF HERBACEOUS BIOMATERIAL


Maris Daugavietis, Mudrite Daugaviete, Janis Bisenieks

Latvian Forestry Research Institute "Silava"

THE MANAGEMENT OF GREY ALDER (ALNUS INCANA MOENCH.) STANDS IN LATVIA


Valery Karpov, Alexander Kotov

St.-Petersburk State Agrarian University

EFFECTIVE ENERGETICS FOR RURAL LOCALITY (TERRITORIES)


Vilis Dubrovskis, Imants Plūme, Vladimirs Koteļeņets Indulis Straume

Latvia University of Agriculture

INVESTIGATION OF BIOGAS PRODUCTION FROM RELATIVELY DRY BIOMASS


Vilis Dubrovskis, Aleksandrs Adamovičs, Imants Plūme

Latvia University of Agriculture

BIOGAS PRODUCTION FROM REED CANARY GRASS AND SILAGE OF MIXED OUTS AND BARLEY


Aivars Kaķītis Imants Nulle

Latvia University of Agriculture

ELECTROSTATIC BIOMASS MIXING


Vilis Dubrovskis, Imants Plume, Indulis Straume

Latvia University of Agriculture

INVESTIGATION OF BIOGAS PRODUCTION FROM MINK AND COW MANURE


Arvids Vilde1, Aivars Cesnieks1, Janis Kleperis2, Vadims Ogorodniks2, Sandris Cesnieks1

1Latvia University of Agriculture, 2Institute of Solid State Physics of University of Latvia

EQUIPMENT FOR ECOLOGICAL GRAIN DRYING WITH MICROCLIMATE MONITORING AND DISTANCES CONTROL


Alexandra Nováková, Milan Brožek

Czech University of Life Sciences Prague

BONDING OF NON-METALLIC MATERIALS USING THERMOPLASTIC ADHESIVES


Jurijs Meitalovs, Aleksejs Histjajevs, Egils Stalidzāns

Latvia University of Agriculture

AUTOMATIC MICROCLIMATE CONTROLLED BEEHIVE OBSERVATION SYSTEM


Gatis Muiznieks, Eriks Gerins

Riga Tehnical University

ANALYSIS OF POSSIBILITIES TO IMPROVE THE SURFACE PHYSICAL MECHANICAL PROPERTIES OF ROTORS OF SCREW TYPE PUMPS


Gunars Verdins, Daina Kanaska

Latvia University of Agriculture

THE CHANGES OF PHYSICALLY-MECHANICAL CHARACTERISTICS AND STRUCTURE OF STEELS, CUT BY PLASMA


Jānis Greivulis, Jānis Doniņš

Riga Technical University

PULSE DENSITY MODULATION CIRCUIT


Jānis Fridrihsons

Latvia University of Agriculture

HALF - AUTOMATIC COMBINED HEATING AND IRRADIATION DEVICE FOR PIGLETS


Jānis Fridrihsons, Ainārs Galiņš

Latvia University of Agriculture

THE EFFECTIVE ELECTRICAL LIGHTNING SYSTEM


Jānis Voitkāns, Andris Voitkāns, Ilmārs Osmanis

Riga Technical University

INVESTIGATIONS ON ELECTRICAL FIELDS AND CURRENT FLOW THROUGH SYSTEM OF ELECTRODE WITHIN ELECTRODE


Dalia Kasperiūnaité1, Juozas Navickas1, Imants Ziemelis2

1Lithuanian University of Agriculture, 2Latvia University of Agriculture

THERMAL AND ABSORPTION PROPERTIES OF UNBURNT CLAY SAMPLES


Milan Brožek, Alexandra Nováková

Czech University of Life Sciences Prague

SOLDERING OF STEEL USING SOFT SOLDERS


Uldis Antonovičs, Jānis Greivulis

Riga Technical University

THE ROTATION AND OSCILLATING MODES OF ASYNCHRONOUS MOTOR SUPPLIED FROM SINGLE-PHASE NET


Vadim Ogorodnik1, Janis Kleperis1, Albert Kristinsh1, Irina Gvardyna1, Aivars Cesnieks2, Arvids Vilde2

1Institute of Solid State Physics of University of Latvia, 2 Research Institute of Agricultural Machinery of the Latvia University of Agriculture

AUTOMATED CONTROL OF THE GRAIN DRYING PROCESS


Viesturs Bražis, Jānis Greivulis

Riga Technical University

THE APPLICATION OF SUPERCAPACITOR ENERGY STORAGE DEVICES IN INDUCTION DRIVES


Raimunds Selegovskis, Indulis Straume

Latvia University of agriculture

THE MODELLING OF CONTROL SYSTEM OPERATION OF COMBINED POWER AND HEAT PRODUCING PLANT


Andres Menind, Jüri Olt

Estonian University of Life Sciences

BIOGAS PLANT INVESTMENT ANALYSIS, COST BENEFIT AND ITS MAIN FACTORS


Larisa Maļinovska, Silvija Štrausa, Anna Vintere, Anda Zeidmane

Latvia University of Agriculture

HOW BEST TO EDUCATE THE FUTURE ENGINEERS


Janīna Osnovina

Daugavpils University

ABOUT TECHNICAL DRAWING'S COMPOSITION


Larisa Maļinovska, Anete Mežote

Latvia University of Agriculture

DEVELOPMENT OF COMPETENCES NECESSARY FOR ENGINEERS IN THE PROCESS OF STUDIES


Andris Upītis, Miervaldis Kristapsons, Imants Ziemelis, Arnolds Šķēle

Latvia University of Agriculture

LOCAL RESOURCES IN THE SYSTEM OF POWER SUPPLY TO THE RURAL REGION


Pavels Patlins

Riga Technical University

DELIVERY PROBLEMS SOLUTION FOR SMALL-CARGO PHYSICAL DISTRIBUTION CONTROL


Kaspars Vārtukapteinis, Antoņina Čukure

Latvia University of Agriculture

DEVELOPMENT OF COLLABORATION WITH GRADUATES THROUGH REUNION