ANALISIS EKSERGI DAN EKSERGOEKONOMI PADA SIKLUS TURBIN GAS SEDERHANA DI PT. PERTAMINA EP ASSET 1 FIELD LIRIK

PRAKASA, DINO and Santoso, Dyos (2014) ANALISIS EKSERGI DAN EKSERGOEKONOMI PADA SIKLUS TURBIN GAS SEDERHANA DI PT. PERTAMINA EP ASSET 1 FIELD LIRIK. Undergraduate thesis, Sriwijaya university.

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Abstract

In analyzing the performance of a system, i s not enough just to consider the value of quantity alone, but also the quality of energy too. In addition, the application of economic principles is also an important thing to do so we can know the cost effectiveness of the system. So at this study we use exergy and exergoeconomic analysis to the gas turbine in PT. Pertamina EP Asset 1 Field Lirik to identify the magnitude of the rate of exergy destruction and efflciency that occurs i n each component of the gas turbine, and costs generated as a result of the exergy destruction. The results showed that the largest rate of destruction exergy occurs in the combustion chamber, foliowed by gas turbines and compressors. In Centaur 50 gas turbine, at the design condition that the load is 4600 kW percentage of rate destruction exergy with total rate destruction exergy in the combustion chamber is 56.51%, followed by gas turbines 26.73%, and compressors 16.76%, then at the operating condition when load is 2210 kW percentage in the combustion chamber is 84.59%, followed by gas turbines 9.25% and compressors 6.16%. Meanwhile, in centaur 40 gas turbine, at the design condition when load is 3500 kW percentage of rate destruction exergy with total rate destruction exergy in the combustion chamber is 62.65%, followed by gas turbines 22.85%, and compressors 14.5%, then at the operating condition when load is 1515 kW percentage in the combustion chamber is 84.34%, followed by gas turbine 9.3%, and compressor 6.36%. In line with rate of destruction exergy, the largest cost of rate destruction exergy also occurs in the combustion chamber. At Centaur 50 gas turbine when load is 4600 kW cost of rate destruction exergy in the combustion chamber is $141,34/h, followed by gas turbine $103,78/h, and $65,06/h, then at the load is 2210 kW cost of rate destruction combustion chamber is $95,16/h, followed by gas turbine $65,51/h, and compressor $43,61/h. Meanwhile the centaur 40 gas turbines when load is 3500 kW the cost of rate destruction exergy in the combustion chamber is $212,67/h, followed by gas turbine $ 100,48/h, and compressor $63,75/h, then at load is 1515 kW cost of rate destruction exergy in the combustion chamber is $71,85/h, followed by gas turbine $45,97/h, and compressor $31,48/h. From this result we also can see that from the three main components of the gas turbine, the most inefficient component is the combustion chamber. compressor exergy in keyword : energy, exergy, exergoeconomic, exergy destruction, performance

Item Type:	Thesis (Undergraduate)
Uncontrolled Keywords:	eksergi, eksergoekonomi, pemusnahan eksergi, performansi
Subjects:	T Technology > TJ Mechanical engineering and machinery > TJ751-805 Miscellaneous motors and engines Including gas, gasoline, diesel engines > TJ778.B67Gas turbines handbook, manual etc.
Divisions:	03-Faculty of Engineering > 21201-Mechanical Engineering (S1)
Depositing User:	Ichlasyah Aisyah
Date Deposited:	26 Aug 2025 03:12
Last Modified:	26 Aug 2025 03:12
URI:	http://repository.unsri.ac.id/id/eprint/183267

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