Abstract
This study presents a detailed exergy, exergoeconomic, environmental damage cost and impact analyses about the aircraft engine turbofan (ATFE) in the aerospace industry. According to the results of investigation, exergy efficiency of ATFE is estimated as 20.32% when the fuel exergy waste ratio is obtained as 79.68%. According to exergy based environmental performance analysis, the ecological effect factor is estimated to be 4.92, while the ecological objective function is found as −38.06 GJ/h. In the exergy based sustainability analysis, the exergetic sustainability index and sustainable efficiency factor of ATFE are obtained to 0.003 and 1.26. These results indicate that waste exergy rate should be reduce to increase exergy efficiency, exergetic sustainability index and sustainable efficiency factor. In the exergoeconomic analysis which is used the specific exergy costing (SPECO) method, the specific cost of fuel and product for ATFE are estimated as 12.56 $/GJ and 85.56 $/GJ while exergoeconomic factor of engine is found as 32.535%. According to Eco-cost and Eco-Indicator 99 methods, the AFTE generates 674.24 $/h-total emission cost rate and 68584.94 mPts/h-environmental impact rate. Besides, the specific environmental impact is determined as 5264.77 mPts/GJ whilst the specific environmental impact cost is obtained to be 0.03 $/mPts.
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