AGRICULTURAL MACHINERY 2021 Utilisation of Sustainable Ethanol in a Dual-Fuel Diesel Engine
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IX INTERNATIONAL SCIENTIFIC CONGRESS AGRICULAGRICULTURALTURAL MACHINERYMACHINERY 20212021 23 - 23 JUNE 2021, VARNA, BULGARIA ISSN 2535-0269 (Print) ISSN 2535-0277 (Online) Scientific-Technical Union of Mechanical Engineering INDUSTRY 4.0 IХ INTERNATIONAL SCIENTIFIC CONGRESS AGRICULTURAL MACHINERY Year V Volume 1/8 JUNE 2021 PROCEEDINGS . 23.06 – 26.06.2021 VARNA, BULGARIA ISSN 2535-0269 (Print) ISSN 2535-0277 (Online) INTERNATIONAL EDITORIAL BOARD Chairman: Prof. D.Sc. Tech. Eng. Hristo Beloev Rousse University - Angel Kanchev, Bulgaria Members: Acad. Jemal Katzitadze Georgia Agricultural University – Tbilisi, Georgia Prof. D.Sc.Tech. Eng. Aleksey Vasiliev All-Russian Institute for Electrification of Agriculture, Moscow, Russia Prof. Eng. Zdenko Tkac Slovak University of Agriculture in Nitra, Slovakia Prof. D. Sc. Tech. Eng. Ceslav Vashkievic Agricultural University of Warszawa, Poland Prof. PhD. Erbol Sarkynov Kazakh National Agrarian University, Astana, Kazakhstan Prof. Dr. Eng Tadeusz Pawlowski Industrial Institute of Agricultural Engineering,Poznan, Poland Prof. Dr. Eng. Jan Szczepaniak Industrial Institute of Agricultural Engineering,Poznan, Poland Assoc. Prof. Dr. Eng. Adolph Ribka Czech University of Agriculture in Prague, Czech Republic Acad. Sayahat Nukeshev Kazakh National Agrarian University, Astana, Kazakhstan Prof. Dr. Goran Topisirovic Technical University Belgrade, Serbia Prof. Dr. Zivko Davchev Saints Cyril and Methodius University, North Macedonia Prof. Dr. Silvio Koshutic University of Zagreb, Croatia Prof. Dr. Adnan Deǧirmencioǧlu EGE University, Izmir, Turkey Prof. Dr. Ibrahim Akinci Akdeniz University, Antalya, Turkey Prof. D.Sc. Tech. Eng. Valeri Dubrovin National Agrarian University Kiev, Ukraine Prof. D.Sc.Tech. Eng. Ivan Shilo Belarusian State Agritechnical University, Minsk, Belarus Prof. Dr. Eng. Reiner Brunsch Leibniz Institute for Agricultural Engineering, Potsdam, Germany Assoc. Prof. Dr. Aarvo Leola Estonian Agricultural University, Tallinn, Estonia Prof. Dr. Eng. Kaspars Vartukapteynis Latvian University of Agriculture, Jelgava, Latvia Prof.Dr. Eng. Thomas Herlitzius Technical University of Dresden, Germany Assoc. Prof. Dr. Mohammad Reza Alizadeh Rice Research Institute of Iran Prof.Dr. Eng. Plamen Kangalov Rousse University - Angel Kanchev - Bulgaria Prof. Dr. Eng. Mihail Iliev Rousse University - Angel Kanchev - Bulgaria Prof. Dr.Sc.Tech. Eng. Georgi Tasev University of Forestry, Sofia, Bulgaria Assoc. Prof. Dr. Eng. Lyubomir Asenov Nikola Pushkarov Institute, Sofia, Bulgaria Prof. Dr. Eng. Sava Mandradzhiev Agrarian University - Plovdiv, Bulgaria Prof. Dr. Eng. Dimitar Dinev Thracian University - Stara Zagora, Bulgaria Prof. Dr. Eng. Krasimira Georgieva Thracian University - Stara Zagora, Bulgaria Prof. Dr.Sc.Tech. Volodimir Kurtsev Tavria State Agrotechnological University, Melitopol, Ukraine Acad. Prof. Dr.Sc.Tech. Volodimir Bulgakov National University of Life and Environmental Sciences of Ukraine - Kiev Prof. Dr. Abdullah Sessiz Dicle University - Diyarbakır, Turkey Prof. Dr. Wojciech Tanaś University of Life Sciences in Lublin, Poland Prof. PhD Iurie Melnic State Agrarian University of Moldova Prof. Zharulkasyn Sadykov Kazakh National Agrarian University – Almaty, Kazkhstan Prof.H.C., PhD Pavol Findura Slovak university of agriculture in Nitra - Nitra, Slovakia C O N T E N T S SESSION “MECHANIZATION IN AGRICULTURE” Utilisation of sustainable Ethanol in a Dual-Fuel Diesel Engine Aleksandar Damyanov, Peter Hofmann ........................................................................................................................................ 5 Investigation of the torque and coefficient of friction of reconditioned details having Different materials of fric-tional pairs Assoc. Prof. Nikolov M. DSc, Prof. Kangalov P. PhD ................................................................................................................ 15 Reliability of foreign agricultural machinery operating in Georgia and methods of its improvement Jemal Katsitadze, Zaur Phutkaradze, Giorgi Kutelia ................................................................................................................... 19 Improving the efficiency of technical service enterprises at the expense of specialization, power and their location Subochev O., Sichko O., Pohorelov M., Solodovnyk D. ............................................................................................................. 22 Research on reducing the impact of sloshing on the walls of a liquid manure tank of partially filled in a braking manoeuver Gabriela Milian1, Sorin-Ștefan Biriș , George Ipate, Valentin Vlăduț, Mihai Matache ............................................................. 26 Research of machine-tractor units as standard links Professor, Doctor of Technical Sciences P.Zhunisbekov, Candidate of Technical Sciences, Associate Professor Rzaliev A., Candidate of Technical Sciences, Associate Professor Undirbayev M., Ph.D students Bainazarov U. ...................................... 31 Digital agriculture: the experience of Ukraine Derkach O.D., Mykhaylichenko Y.M., Makarenko D.O. ............................................................................................................ 35 Evaluation of chosen indicators of intermittent seeder´s work quality Maksym Stankevych, Jozef Rédl, Miroslav Prístavka, Agnieszka Szparaga, Slawomir Kocira, Pavol Findura, Ingrida Košičiarová ...................................................................................................................................................................... 40 Evaluation of effects of biofuels blends on performance and emissions of diesel engine Tomas Mickevičius ...................................................................................................................................................................... 44 Selection of the information parameter for the thermography method of diagnostics of dairy cows mastitis Ivan I. Hirutski, Yuri A. Rakevich, Andrey G. Stnkov ............................................................................................................... 48 Possibilities of implementation of frequency inverters to change refrigerating machine modes Мустафин Марат Аскарович, Цой Александр Петрович, Тергемес Кажыбек Тилеугалиевич, Даримбаева Назира Исенхановна ............................................................................................................................................. 53 Mathematical model of root head cleaning machine with vertical drive shaft Volodymyr Bulgakov, Ivan Holovach, Yevhen Ihnatiev, Vasil Mitkov, Vitaliy Movchan, Viktor Karapetrov ......................... 55 Theory of vertical oscillations of a frontally mounted tops harvesting machine Volodymyr Bulgakov, Yevhen Ihnatiev, Valerii Adamchuk, Vasil Mitkov, Vitaliy Movchan, Viktor Karapetrov ................... 59 Машини за поддържане на чимово мулчирана почвената повърхност при трайни насаждения Иван Мортев ............................................................................................................................................................................... 65 Operational properties of diesel fuel with the addition of rapeseed oil esters Ass. Prof., PhD, V. Тkachuk, Ass. Prof., PhD, Iu. Melnic, Ass. Prof., PhD, О. Rechun ............................................................ 69 Kinematics, working parameters and modes of swing-type digging share of elevator-type po-tato combine Wojciech Tanaś, Mariusz Szymanek ........................................................................................................................................... 72 SESSION “CONSERVING OF THE RESOURCES ” Energy consumption and emissions of agricultural machinery for different arable land types Ńimun Lončarević, Petar Ilinčić, Goran Ńagi, Zoran Lulić ........................................................................................................ 76 Fem model for the study of agricultural soil compaction under the action of two-wheel tractor Mădălina Popa (Ivanciu), Sorin-Ștefan Biriș, Nicoleta Ungureanu, George Ipate ...................................................................... 80 Study of the influence of irrigation norms on the productivity of raspberry plantations Rumiana. Kireva, Miho Mihov .................................................................................................................................................... 83 Study of the influence of the irrigation regime on the yield of short-fruited cucumbers grown in open areas under drip irrigation Rumiana Kireva, Miho Mihov ..................................................................................................................................................... 85 Balkan endemic plants of Shutman Strict Nature Reserve in Kosovo - an inventory with chorological and life-form analyses Haxhi Halilaj, Lirika Kupe, Xhavit Mala .................................................................................................................................... 88 AGRICULTURAL MACHINERY 2021 Utilisation of sustainable Ethanol in a Dual-Fuel Diesel Engine Aleksandar Damyanov, Peter Hofmann Vienna University of Technology [email protected] Abstract: The dual-fuel combustion of ethanol and two different mixtures of ethanol and gasoline (E85 and E65) in a modified Diesel engine was investigated. With rising alcohol amount, a significant reduction of soot mass and particle count was