Performa-nce Prediction of a Jatropha-Biodiesel Powered Gas Turbine Plant
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 1
Abstract
This paper examines the behaviour of a 75MW gas turbine plant fired with Jatropha biodiesel derived from Nigerian feedstock as a possible alternative fuel. The analysis was carried out by varying the ambient temperature between 288K and 323K while adapting the plant design pressure ratio of 9.9 and turbine entry temperature with the aim of predicting and comparing the results of the performance behaviour of the plant fuelled with both fuels. The specific fuel consumption, fuel air ratio, net power output, and thermal efficiency of the plant were the performance parameters of interest. From the results the highest power output was achieved with the biodiesel. Furthermore the specific fuel consumption, fuel air ratio and thermal efficiency were found to be slightly higher than those obtained with natural gas. These results demonstrate that biodiesel can compete favourably well with natural gas as a gas turbine fuel even though in terms of economy of running the plant natural gas might be the preferred fuel for the plant operators now because of the availability and cost of natural gas compared to the biodiesel. Also should the plant be operated on biodiesel, the fuel lines may need to be adjusted the increased mass flow rate associated with its use.
Authors and Affiliations
WC Solomon, MU Bonet, SU Mohammed, CV Orji
Keywords
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- DOI 10.9790/9622-0801043136.
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