MATHEMATICAL MODEL OF DIESEL ENGINE CHARACTERISTICS FOR DETERMINING THE PERFORMANCE OF TRACTION DYNAMICS OF WHEEL-TYPE TRACTOR

Keywords: diesel engine; specific fuel consumption; approximation of specific fuel consumption; fuel efficiency; PowerMix test cycles

Abstract

Wheel-type tractors carry out a range of processing operations, with the exception of early spring work, when caterpillar tractors are used to reduce the compaction effect on the soil. Therefore, to plan the costs and reserves associated with fuel consumption, it is necessary to have an estimate of the fuel economy of the tractor in basic agricultural operations.

An objective assessment of fuel consumption requires a mathematical model that describes the fuel characteristics of the engine, taking into account the speed and load torque in a wide range of variation. Verification of the model is possible only with experimental data.

Since the efficiency and fuel economy of a tractor depends not only on engine performance, but also on the perfection of the transmission, the running system and the rational choice of speed, it is necessary to take into account the time-varying nature of the tractor’s traction load. The complex of agricultural operations can be divided into characteristic cycles of load change over time. This principle is the basis of PowerMix test cycles, which are conducted on a concrete track to ensure repeatability of the experiment. The use of the variable load on the tractor in the PowerMix tests is positive, but in actual field tests the results may differ due to the instability of the soil properties. On the other hand, PowerMix field cycles can be taken as standard test loads in the simulation of tractor traction tests on the ground

Downloads

Download data is not yet available.

Author Biographies

Oleksii Rebrov, National Technical University "Kharkiv Polytechnic Institute"

Department of Car and Tractor Industry

Andrii Kozhushko, National Technical University "Kharkiv Polytechnic Institute"

Department of Car and Tractor Industry

Boris Kalchenko, National Technical University "Kharkiv Polytechnic Institute"

Department of Car and Tractor Industry

Anatoliy Mamontov, National Technical University "Kharkiv Polytechnic Institute"

Department of Car and Tractor Industry

Alexander Zakovorotniy, National Technical University "Kharkiv Polytechnic Institute"

Department of Computer Engineering and Programming

Evgeniy Kalinin, Kharkiv Petro Vasylenko National Technical University of Agriculture

Department of Reliability, Durability and Technical Service of Machines

Elena Holovina, Filial of Classic Private University

Department of Automobile Transport and Transport Technology

References

Grisso, R. (2014). Predicting Tractor Diesel Fuel Consumption. Virginia Cooperative Extension. Publication 442-073. Available at: https://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/442/442-073/BSE-328.pdf

Grisso, R. D., Kocher, M. F., Vaughan, D. H. (2004). Predicting tractor fuel consumption. Applied Engineering in Agriculture, 20 (5), 553–561. doi: https://doi.org/10.13031/2013.17455

Kocher, M. F., Smith, B. J., Hoy, R. M., Woldstad, J. C., Pitla, S. K. (2017). Fuel Consumption Models for Tractor Test Reports. Transactions of the ASABE, 60 (3), 693–701. doi: https://doi.org/10.13031/trans.12121

Grisso, R. (2014). “Gear Up and Throttle Down” to Save Fuel. Virginia Cooperative Extension. Publication 442-450. Available at: https://www.pubs.ext.vt.edu/content/dam/pubs_ext_vt_edu/442/442-450/BSE-326.pdf

Coffman, B. A., Kocher, M. F., Adamchuk, V. I., Hoy, R. M., Blankenship, E. E. (2010). Testing Fuel Efficiency of a Tractor with a Continuously Variable Transmission. Applied Engineering in Agriculture, 26 (1), 31–36. doi: https://doi.org/10.13031/2013.29468

Howard, C. N., Kocher, M. F., Hoy, R. M., Blankenship, E. E. (2013). Testing the Fuel Efficiency of Tractors with Continuously Variable and Standard Geared Transmissions. Transactions of the ASABE, 56 (3), 869–879. doi: https://doi.org/10.13031/trans.56.10222

DLG Test Report database. Available at: https://www.dlg.org/en/agriculture/tests/query-for-test-reports

Nebraska tractor test laboratory. Test reports. Available at: https://tractortestlab.unl.edu/testreports

OECD standard code for the official testing of agricultural and forestry tractor performance. CODE 2. Available at: http://www.oecd.org/agriculture/tractors/codes/02-oecd-tractor-codes-code-02.pdf

Friso, D. (2014). Brake thermal efficiency and BSFC of diesel engines: Mathematical modeling and comparison between diesel oil and biodiesel fueling. Applied Mathematical Sciences, 8, 6515–6528. doi: https://doi.org/10.12988/ams.2014.46444

Fendt 942 Vario Gen6. DLG Test Report 7042. Available at: https://pruefberichte.dlg.org/filestorage/PowerMix_Datenblatt_FENDT_942_Gen6_EN_V2.pdf


Abstract views: 23
PDF Downloads: 13
Published
2020-07-24
How to Cite
Rebrov, O., Kozhushko, A., Kalchenko, B., Mamontov, A., Zakovorotniy, A., Kalinin, E., & Holovina, E. (2020). MATHEMATICAL MODEL OF DIESEL ENGINE CHARACTERISTICS FOR DETERMINING THE PERFORMANCE OF TRACTION DYNAMICS OF WHEEL-TYPE TRACTOR. EUREKA: Physics and Engineering, (4), 90-100. https://doi.org/10.21303/2461-4262.2020.001352
Section
Mechanical Engineering