Farklı oranlarda atık yemeklik yağ biyodizeliyle çalışan su soğutmalı dizel motorun enerji, ekserji, sera gazı emisyon etkisi ve ekonomik analizi

Year 2025, Volume: 14 Issue: 3, 154 - 169, 30.09.2025

Derviş Erol , Halil Erdi Gülcan

https://doi.org/10.18245/ijaet.1705733

Abstract

Dizel motorlarda petrol bazlı yakıtların kullanımı, çevreye önemli miktarda toksik madde salınımına neden olmaktadır. Ayrıca, içten yanmalı motorlu araç sayısının artması dizel yakıtlara olan talebi yükseltmekte ve bu da yakıt fiyatlarının hızlı bir şekilde artmasına yol açmaktadır. Bu nedenle, dizel motorlarda temiz, ucuz ve yenilenebilir alternatif yakıtların kullanımı giderek daha önemli hale gelmiştir. Atık yemeklik yağlardan elde edilen biyodizel, biyobozunur, temiz, maliyet açısından uygun ve dizel motorlar için oldukça uygun bir alternatiftir. Bu çalışmada, atık yemeklik yağ biyodizeli (WCOB) ile çalışan bir dizel motorun farklı yük koşullarındaki enerji, ekserji, sera gazı (GHG) emisyonu ve ekonomik etkileri analiz edilmiştir. Sonuçlar, geleneksel dizel yakıt ile karşılaştırılmıştır. Bulgular, biyodizel oranının artmasının ekserji verimliliğini azalttığını ve ekserji tahribatını artırdığını göstermiştir. Özellikle, %100 biyodizel kullanımı, yakıt ekserjisini artırırken hem enerji hem de ekserji verimliliklerinde düşüşe neden olmuştur. Ayrıca, artan CO2 emisyonları nedeniyle sera gazı emisyon etkisi ve ekonomik maliyette artış gözlemlenmiştir.

Keywords

Biyodizel karışım oranı , enerji , ekserji , sera gazı emisyonları

Project Number

2023/080 and 2023/093

Energy, exergy, greenhouse gas emission impact and economic analysis of a water-cooled diesel engine running on different proportions of waste cooking oil biodiesel

Abstract

The use of petroleum-based fuels in diesel engines results in the release of significant amounts of toxic substances into the environment. Moreover, the increasing number of vehicles with internal combustion engines (ICEs) continues to raise the demand for diesel fuels, leading to a sharp rise in fuel prices. Therefore, the use of clean, inexpensive, and renewable alternative fuels in diesel engines has become increasingly important. Biodiesel derived from waste cooking oils is one such alternative—it is biodegradable, clean, cost-effective, and highly suitable for diesel engines. In this study, the energy, exergy, greenhouse gas (GHG) emission, and economic impacts of a diesel engine fuelled with waste cooking oil biodiesel (WCOB) were analysed under different load conditions. The experiments were conducted at a constant engine speed under varying load conditions ranging from 10 Nm to 50 Nm, with 10 Nm increments. The fuel blend ratios used in the study are as follows: 100% diesel; 90% diesel + 10% WCOB; 80% diesel + 20% WCOB; 50% diesel + 50% WCOB; and 100% WCOB. The results were compared with those of conventional diesel fuel. The findings indicate that increasing the biodiesel proportion reduces exergy efficiency and increases exergy destruction. Operating the diesel engine with 100% WCOB increases the lost energy and exhaust energy ratio by an average of 4.3% and 2.2%, respectively, while reducing the energy efficiency by an average of 3%. In addition, the exergy efficiency decreases by 3.6%, whereas the exergy destruction increases by 4.8%. Additionally, it led to a higher GHG emission impact and economic cost due to increased CO2 emissions.

Keywords

Biodiesel blend ratio , energy , exergy , greenhouse gas emission , waste cooking oil

Project Number

2023/080 and 2023/093

Thanks

This study was financially supported by the Scientific Research Projects Coordination Unit of Kırıkkale University under Project Nos. 2023/080 and 2023/093. The authors gratefully acknowledge the valuable financial assistance and resources provided by the university, which were instrumental in the successful completion of this research.

References

• Teo, S. H., Islam, A., Chan, E. S., Choong, S. T., Alharthi, N. H., Taufiq-Yap, Y. H., Awual, M. R. “Efficient biodiesel production from Jatropha curcus using CaSO4/Fe2O3-SiO2 core-shell magnetic nanoparticles”, Journal of Cleaner Production, 208, 816-826, 2019. https://doi.org/10.1016/j.jclepro.2018.10.107
• Dhamodaran, G., Elumalai, A. “Effect of ternary nanocomposite in margosa biodiesel microemulsion blends on performance, emission, and combustion characteristics of a diesel engine”, Energy, 326, 136362, 2025. https://doi.org/10.1016/j.energy.2025.136362
• Senecal, P. K., Leach, F. “Diversity in transportation: Why a mix of propulsion technologies is the way forward for the future fleet”, Results in Engineering, 4, 100060, 2019. https://doi.org/10.1016/j.rineng.2019.100060
• Commission, E, “Directive (EU) 2015/1513 of the European Parliament and of the Council of 9 September 2015 amending directive 98/70/EC relating to the quality of petrol and diesel fuels and amending directive 2009/28/EC on the promotion of the use of energy from renewable sources”, Official Journal of the European Union, 239, 1-29, 2015. http://data.europa.eu/eli/dir/2015/1513/oj
• Nadimi, E., Przybyła, G., Lewandowski, M. T., Adamczyk, W. “Effects of ammonia on combustion, emissions, and performance of the ammonia/diesel dual-fuel compression ignition engine”, Journal of the Energy Institute, 107, 101158, 2023. https://doi.org/10.1016/j.joei.2022.101158
• Hariram, V., Sathishbabu, R., Godwin John, J., Vijayakumar, K., Sangeeth Kumar, E., Kamakshi Priya, K. “Enhanced combustion and emission characteristics of diesel-algae biodiesel-hydrogen blends in a single-cylinder diesel engine”, Results in Engineering, 26, 104676, 2025. https://doi.org/10.1016/j.rineng.2025.104676
• Hajjari, M., Tabatabaei, M., Aghbashlo, M., Ghanavati, H. “A review on the prospects of sustainable biodiesel production: A global scenario with an emphasis on waste-oil biodiesel utilization”, Renewable and Sustainable Energy Reviews, 72, 445-464, 2017. https://doi.org/10.1016/j.rser.2017.01.034
• Alahmer, H., Alahmer, A., Alamayreh, M. I., Alrbai, M., Al-Rbaihat, R., Al-Manea, A., Alkhazaleh, R. “Optimal water addition in emulsion diesel fuel using machine learning and sea-horse optimizer to minimize exhaust pollutants from diesel engine”, Atmosphere, 14(3), 449, 2023. https://doi.org/10.3390/atmos14030449
• Tiwari, C., Verma, T. N., Dwivedi, G., Verma, P. “Energy-exergy analysis of diesel engine fueled with microalgae biodiesel-diesel blend”, Applied Sciences, 13 (3), 1857, 2023. https://doi.org/10.3390/app13031857
• Özcan, H. “Energy and exergy analyses of Al2O3-diesel-biodiesel blends in a diesel engine”, International Journal of Exergy, 28(1), 29-45, 2019. https://doi.org/10.1504/IJEX.2019.097270
• Hoseinpour, M., Sadrnia, H., Tabasizadeh, M., Ghobadian, B. “Energy and exergy analyses of a diesel engine fueled with diesel, biodiesel-diesel blend and gasoline fumigation”, Energy, 141, 2408-2420, 2017. https://doi.org/10.1016/j.energy.2017.11.131
• Sayin Kul, B., Kahraman, A. “Energy and exergy analyses of a diesel engine fuelled with biodiesel-diesel blends containing 5% bioethanol”, Entropy, 18(11), 387, 2016. https://doi.org/10.3390/e18110387
• Khoobbakht, G., Akram, A., Karimi, M., Najafi, G. “Exergy and energy analysis of combustion of blended levels of biodiesel, ethanol and diesel fuel in a DI diesel engine”, Applied Thermal Engineering, 99, 720-729, 2016. https://doi.org/10.1016/j.applthermaleng.2016.01.022
• Çanakcı, M., Hosoz, M. “Energy and exergy analyses of a diesel engine fuelled with various biodiesels”, Energy Sources, Part B: Economics, Planning, and Policy, 1(4), 379-394, 2006. https://doi.org/10.1080/15567240500400796
• Panigrahi, N., Mohanty, M. K., Mishra, S. R., Mohanty, R. C. “Energy and exergy analysis of a diesel engine fuelled with diesel and simarouba biodiesel blends”, Journal of the Institution of Engineers (India): Series C, 99(1), 9-17, 2018. https://doi.org/10.1007/s40032-016-0335-9
• Kavitha, K. R., Jayaprabakar, J., Prabhu, A. “Exergy and energy analyses on biodiesel-diesel-ethanol blends in a diesel engine”, International Journal of Ambient Energy, 43(1), 778-782, 2022. https://doi.org/10.1080/01430750.2019.1670261
• Odibi, C., Babaie, M., Zare, A., Nabi, M. N., Bodisco, T. A., Brown, R. J. “Exergy analysis of a diesel engine with waste cooking biodiesel and triacetin”, Energy Conversion and Management, 198, 111912, 2019. https://doi.org/10.1016/j.enconman.2019.111912
• Karthikeyan, A., Jayaprabakar, J. “Energy and exergy analysis of compression ignition engine fuelled with rice bran biodiesel blends”, International Journal of Ambient Energy, 40(4), 381-387, 2019. https://doi.org/10.1080/01430750.2017.1399459
• Meisami, F., Ajam, H. “Energy, exergy and economic analysis of a Diesel engine fueled with castor oil biodiesel”, International Journal of Engine Research, 16(5), 691-702, 2015. https://doi.org/10.1177/1468087415576609
• Gülcan, H. E., Bayindirli, C., Erol, D., Çelik, M. “Role of different type nanoparticles on exergy, thermoeconomic, exergoeconomic, environmental, and enviroeconomic indicators in a CI engine fueled with rapeseed oil biodiesel”, Fuel, 384, 134074, 2025. https://doi.org/10.1016/j.fuel.2024.134074
• Şanli, B. G., Uludamar, E. “Energy and exergy analysis of a diesel engine fuelled with diesel and biodiesel fuels at various engine speeds”, Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 42(11), 1299-1313, 2020. https://doi.org/10.1080/15567036.2019.1635229
• Madheshiya, A. K., Vedrtnam, A. “Energy-exergy analysis of biodiesel fuels produced from waste cooking oil and mustard oil”, Fuel, 214, 386-408, 2018. https://doi.org/10.1016/j.fuel.2017.11.060
• Panigrahi, N. “Energy and exergy analysis of a CI engine fuelled with polanga oil methyl ester”, Energy & Environment, 29(7), 1155-1173, 2018. https://doi.org/10.1177/0958305X18776544
• Al-Najem, N. M., Diab, J. M. “Energy-exergy analysis of a diesel engine”, Heat Recovery Systems and CHP, 12(6), 525-529, 1992. https://doi.org/10.1016/0890-4332(92)90021-9
• Sahoo, B. B., Saha, U. K., Sahoo, N., Prusty, P. “Analysis of throttle opening variation impact on a diesel engine performance using second law of thermodynamics”, Internal Combustion Engine Division Spring Technical Conference, 43406, 703-710, 2009. https://doi.org/10.1115/ICES2009-76069
• Çalışkan, H., Mori, K. “Environmental, enviroeconomic and enhanced thermodynamic analyses of a diesel engine with diesel oxidation catalyst (DOC) and diesel particulate filter (DPF) after treatment systems”, Energy, 128, 128-144, 2017. https://doi.org/10.1016/j.energy.2017.04.014
• Gürbüz, H., Gülcan, H. E. “Energy, exergy, and exergoeconomic analysis of the use of hydrogen, LPG, and gasoline in an air-cooled SI engine running at stoichiometric conditions”, International Journal of Hydrogen Energy, 138, 1170-1179, 2025. https://doi.org/10.1016/j.ijhydene.2025.03.226
• Çakmak, A., Bilgin, A. “Exergy and energy analysis with economic aspects of a diesel engine running on biodiesel-diesel fuel blends”, International Journal of Exergy, 24(2-4), 151-172, 2017. https://doi.org/10.1504/IJEX.2017.087700
• Krishnamoorthi, T., Sampath, S., Saravanamuthu, M., Vengadesan, E., Dillikannan, D. “Combined influence of thermal barrier coating and nanoparticle on performance and emissions of DI diesel engine fueled with neat palm oil biodiesel: An experimental, statistical and energy and exergy analysis”, Process Safety and Environmental Protection, 186, 274-288, 2024. https://doi.org/10.1016/j.psep.2024.03.108
• Özer, S., Tunçer, E., Demir, U., Gülcan, H. E., Çelebi, S. “Energy, exergy, exergoenvironmental, and exergoenviroeconomic assessment of a two stroke UAV small engine using JP5 aviation fuel and hydroxy (HHO) gas”, International Journal of Hydrogen Energy, 143, 846-861, 2025. https://doi.org/10.1016/j.ijhydene.2024.10.394
• Sahoo, B. B., Saha, U. K., Sahoo, N. “Theoretical performance limits of a syngas-diesel fueled compression ignition engine from second law analysis”, Energy, 36(2), 760-769, 2011. https://doi.org/10.1016/j.energy.2010.12.045
• Kotas, T. J. “The exergy method of thermal plant analysis”, Paragon Publishing, 2012.
• Yaqoob, H., Teoh, Y. H., Jamil, M. A., Sher, F. “Energy, exergy, thermoeconomic and sustainability assessment of tire pyrolysis oil in common rail direct injection diesel engine”, Fuel, 311, 122622, 2022. https://doi.org/10.1016/j.fuel.2021.122622
• Çakmak, A., Yeşilyurt, M. K., Erol, D., Doğan, B. “The experimental investigation on the impact of n-octanol in the compression-ignition engine operating with biodiesel/diesel fuel blends: exergy, exergoeconomic, environmental analyses”, Journal of Thermal Analysis and Calorimetry, 147(20), 11231-11259, 2022. https://doi.org/10.1007/s10973-022-11357-w
• Dincer, I., Rosen, M. A. “Exergy: energy, environment and sustainable development”, Elsevier Science, 2012.
• Doğan, B., Çakmak, A., Yeşilyurt, M. K., Erol, D. “Investigation on 1-heptanol as an oxygenated additive with diesel fuel for compression-ignition engine applications: An approach in terms of energy, exergy, exergoeconomic, enviroeconomic, and sustainability analyses”, Fuel, 275, 117973, 2020. https://doi.org/10.1016/j.fuel.2020.117973
• Özer, S., Gülcan, H. E., Çelebi, S., Demir, U. “Assessment of waste tyre pyrolysis oil and oxy-hydrogen gas usage in a diesel engine in terms of energy, exergy, environmental, and enviroeconomic perspectives”, International Journal of Hydrogen Energy, 143, 862-881, 2025.
• Çalışkan, H. “Environmental and enviroeconomic researches on diesel engines with diesel and biodiesel fuels”, Journal of Cleaner Production, 154, 125-129, 2017. https://doi.org/10.1016/j.jclepro.2017.03.168
• https://tradingeconomics.com/commodity/carbon, 20/05/2025
• Pullagura, G., Bikkavolu, J. R., Prasad, V. V. S., Prathipati, R., Seepana, P. “Energy, exergy, and sustainability assessments of a compression ignition diesel engine fueled with Pongamia pinnata oil-diesel blends and nanoparticles”, Emergent Materials, 8(1), 199-215, 2025. https://doi.org/10.1007/s42247-024-00962-0
• Bayramoğlu, K., Bayramoğlu, T., Polat, F., Sarıdemir, S., Alçelik, N., Ağbulut, Ü. “Energy, exergy, and emission (3E) analysis of hydrogen-enriched waste biodiesel-diesel fuel blends on an indirect injection dual-fuel CI engine”, Energy, 314, 134124, 2025. https://doi.org/10.1016/j.energy.2024.134124
• Bikkavolu, J. R., Pullagura, G., Medidi, R., Seepana, P. “Energy, exergy analysis, and sustainability assessment of CI engine performance using graphene oxide and n-Butanol, DEE fuel additives blended with biodiesel-diesel fuel blend”, Emergent Materials, 8(1), 217-234, 2025. https://doi.org/10.1007/s42247-024-00904-w