Assessing the Fuel Potential of Jatropha and Neem oils for Power Generation Gas Turbines Engines in Nigeria
Journal Title: IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) - Year 2018, Vol 15, Issue 1
Abstract
The research work investigates the potential of locally sourced Jatropha and Neem oils as prospective biodiesel feedstock for fuelling gas turbine engines in Nigeria. The oils and resulting biodiesels were characterized for specific gravity, viscosity, lower heating value, acid value and free fatty acid using the American Oil Chemist’s Society method. The deduced specific gravities and viscosities of the oils met Pryde’s specification while the acid and free fatty acid values exceeded the requirement. On the other hand while the specific gravities, viscosities and free fatty acid values of both the Jatropha and Neem biodiesels conform to the American Society of Testing and Materials Biodiesel (ASTMB) condition, their acid values exceeded it. The obtained lower heating values for the oils are 36.50 and 34.10 MJ/kg for Jatropha and Neem respectively and 38.00 and 36.7 MJ/kg for the respective biodiesels as against 37.22 MJ/kg specified by the ASTMB. Furthermore, the specific gravities and viscosities were compared with the ASTM D 2880-03 gas turbine fuel oil standard. The specific gravity of the biodiesels met the standard while their viscosities did not. Also a fuel flow rate analysis of the biodiesels in four different megawatt engine at design point revealed increased fuel flow rate compared to diesel and natural gas used. Overall, the oils were found suitable but there is need rid them or reduce their acid values.
Authors and Affiliations
WC Solomon, JS Enaburekhan, MU Bonet
Keywords
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- DOI 10.9790/1684-1501030817.
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