Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends
Pyrolysis of castor oil with anhydrous sodium hydroxide as a catalyst was performed to produce Catalytic Castor pyrolytic oil (CCPO). The physical and chemical properties of the pyrolytic and gas oils were recorded according to ASTM standards. Gas oil was blended with castor pyrolytic oil at differe...
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doaj-eae2c698114a4ace99654626a99c05882020-11-25T04:04:42ZengSAGE PublishingAdvances in Mechanical Engineering1687-81402020-10-011210.1177/1687814020967180Experimental cyclic variations of diesel engine burning pyrolysis castor oil blendsYoussef A Attai0Osayed SM Abu-Elyazeed1Rashad Elbeshbeshy2Hassan Gassour3Mohammed S Gad4Mechanical Power Department, Faculty of Engineering El-Mataria, Helwan University, Cairo, EgyptMechanical Power Department, Faculty of Engineering El-Mataria, Helwan University, Cairo, EgyptDepartment of Mechanical Engineering, 10th of Ramadan Higher Institute of Technology, Cairo, EgyptDepartment of Mechanical Engineering, 10th of Ramadan Higher Institute of Technology, Cairo, EgyptDepartment of Mechanical Engineering, Faculty of Engineering, Fayoum University, Fayoum, EgyptPyrolysis of castor oil with anhydrous sodium hydroxide as a catalyst was performed to produce Catalytic Castor pyrolytic oil (CCPO). The physical and chemical properties of the pyrolytic and gas oils were recorded according to ASTM standards. Gas oil was blended with castor pyrolytic oil at different volumetric ratios of 0%, 25%, 75%, and 100% as CCPO00, CCPO25, CCPO75, and CCPO100, respectively. Coefficient of variation (COV) of combustion parameters proved to be a profound method of assessing combustion characteristics and engine performance. COV of combustion parameters (IMEP, P max , and dP/dΘ max ) for gas oil blends with pyrolysis oil were measured. Recorded pressure crank angle traces of 150 consecutive cycles were used for COV’s determination. A single cylinder diesel engine equipped with calibrated measuring techniques was used at different engine loads. Higher volumetric blending ratios of pyrolytic oil with diesel oil increased the COV’s within an acceptable range of engine operating conditions. Minor modifications might be valuable for engines fueled by pyrolysis oil blends to obtain smoother, lower noise operation, and combustion stability.https://doi.org/10.1177/1687814020967180 |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Youssef A Attai Osayed SM Abu-Elyazeed Rashad Elbeshbeshy Hassan Gassour Mohammed S Gad |
spellingShingle |
Youssef A Attai Osayed SM Abu-Elyazeed Rashad Elbeshbeshy Hassan Gassour Mohammed S Gad Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends Advances in Mechanical Engineering |
author_facet |
Youssef A Attai Osayed SM Abu-Elyazeed Rashad Elbeshbeshy Hassan Gassour Mohammed S Gad |
author_sort |
Youssef A Attai |
title |
Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
title_short |
Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
title_full |
Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
title_fullStr |
Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
title_full_unstemmed |
Experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
title_sort |
experimental cyclic variations of diesel engine burning pyrolysis castor oil blends |
publisher |
SAGE Publishing |
series |
Advances in Mechanical Engineering |
issn |
1687-8140 |
publishDate |
2020-10-01 |
description |
Pyrolysis of castor oil with anhydrous sodium hydroxide as a catalyst was performed to produce Catalytic Castor pyrolytic oil (CCPO). The physical and chemical properties of the pyrolytic and gas oils were recorded according to ASTM standards. Gas oil was blended with castor pyrolytic oil at different volumetric ratios of 0%, 25%, 75%, and 100% as CCPO00, CCPO25, CCPO75, and CCPO100, respectively. Coefficient of variation (COV) of combustion parameters proved to be a profound method of assessing combustion characteristics and engine performance. COV of combustion parameters (IMEP, P max , and dP/dΘ max ) for gas oil blends with pyrolysis oil were measured. Recorded pressure crank angle traces of 150 consecutive cycles were used for COV’s determination. A single cylinder diesel engine equipped with calibrated measuring techniques was used at different engine loads. Higher volumetric blending ratios of pyrolytic oil with diesel oil increased the COV’s within an acceptable range of engine operating conditions. Minor modifications might be valuable for engines fueled by pyrolysis oil blends to obtain smoother, lower noise operation, and combustion stability. |
url |
https://doi.org/10.1177/1687814020967180 |
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