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Published (Version of record)CC BY V4.0, Open
Journal article
Spline regression modelling of PTO performance of tractor fuelled with different biodiesels
International Journal of Agricultural and Biological Engineering, Vol.10(3), pp.115-120
2017
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Abstract
The objective of this study was to investigate the possibility of fitting spline regression models for power take-off (PTO) performance characteristics of an agricultural tractor tested with four different fuels, including diesel fuel (B0) and three biodiesel blends made of canola oil (B10: 10% biodiesel + 90% petro-diesel blend; B20: 20% biodiesel + 90% petro-diesel blend; B30: 30% biodiesel + 90% petro-diesel blend). The performance characteristics evaluated were PTO power, engine torque, engine fuel consumption, and specific fuel consumption. Due to sharp slopes in measured quantities around the nominal engine speed (2200 r/min), compared to the standard regression method, the spline regression models suited well to the experimental data with coefficient of determination R-2= 0.99 for PTO power and engine torque. R-2 varied between 0.97 and 0.99 for fuel consumption and 0.91 and 0.95 for specific fuel consumption. The weaker correlation found for specific fuel consumption could be attributed to profound fluctuations in measured data causing atypical pattern in the corresponding graphs around the nominal engine speed. It was concluded that splines were useful to accurately predict the measured PTO power and engine torque. Neither standard methods nor splines were sufficient to obtain very good regression models for specific fuel consumption.
Details
- Title
- Spline regression modelling of PTO performance of tractor fuelled with different biodiesels
- Creators
- Ali Aubek - Kahramanmaraş Sütçü İmam UniversitySelcuk Arslan - Uludag UniversityM. Ucgul - University of South AustraliaS. Ucok - Kahramanmaraş Sütçü İmam University
- Publication Details
- International Journal of Agricultural and Biological Engineering, Vol.10(3), pp.115-120
- Comment
- ISI Document Delivery No.: EX9MO Times Cited: 0 Cited Reference Count: 20 Aybek, Ali Arslan, Selcuk Ucgul, Mustafa Ucok, Serdar Ucgul, Mustafa/T-2708-2018; üçok, serdar/AAF-7868-2021 Ucgul, Mustafa/0000-0001-8528-7490; 0 3 Chinese acad agricultural engineering Beijing 1934-6352
- Publisher
- Chinese Society of Agricultural Engineering
- Identifiers
- 991013000594402368
- Copyright
- Publisher Open Access policy statement: IJABE provides immediate open access to its contents on the principle that making research freely available to the public supports a greater global exchange of knowledge. CC BY 4.0, https://creativecommons.org/licenses/by/4.0/ Creative Commons Attribution 4.0 International Public License https://creativecommons.org/licenses/by/4.0/legalcode
- Academic Unit
- Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article