ANALISIS PENYEBAB SURGING TERHADAP KINERJA MESIN DIESEL PENGGERAK UTAMA DI MT. ONTARI DENGAN METODE SWOT

AFDOLLUDIN, AFTA TAZANI (2018) ANALISIS PENYEBAB SURGING TERHADAP KINERJA MESIN DIESEL PENGGERAK UTAMA DI MT. ONTARI DENGAN METODE SWOT. Diploma thesis, POLITEKNIK ILMU PELAYARAN SEMARANG.

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Abstract

Afta Tazani, Afdolludin. 2018, NIT: 50134900.T, “ Analisis Penyebab Surging Terhadap Kinerja Mesin Diesel Penggerak Utama di MT. Ontari dengan Metode SWOT“, Program Diploma IV, Technical, Merchant Marine Polytechnic of Semarang, Advisor I: Dr. A. Agus Tjahjono. M. M., M. Mar. E. and Advisor II: Purwantono. S.Psi., M. Pd. Turbocharger is a component to increase the amount of pressure air entering the cylinder by utilizing exhaust energy. The quality of the exhaust gas greatly affects the turbocharger turbine spin. Therefore, the combustion inside the cylinder must be good, so the quality of the flue gas is good and the rinse air produced by the turbocharger for combustion has the normal pressure required by the Main Engine. Research method that writer use in preparation of this thesis is descriptive qualitaf research method. In this case the author uses the SWOT method as a data analysis technique to analyze what factors cause turbocharger surging and what efforts are made to overcome these factors by identifying strengths , weaknesses, opportunities, and threats from the environment systematically to formulate the strategy to be taken Based on the results of research that has been done by the author, the cause of turbocharger surging is caused by two factors, namely the escape of compression at the time of combustion due to oversize cylinder liner and supply of spare parts on the hobo Stable engine. To overcome these factors can be done by replacing the cylinder liner already oversized, lowering the engine rotation to make the exhaust gas more stable, reducing the cylinder lubricant consumption to reduce the combustion slurry in the air rinse chamber, operate the auxiliary blower to be manual to keep the rinse pressure in normal pressure during engine operation, recondition on Machine spare parts Mains such as crown pistons and piston rings by means of cleaning so that they can be used again temporarily waiting for spare parts to arrive on board, and purchase spare parts on ships for light and affordable parts for maintenance and repair of spare parts Mains Machine. Keywords: Surging, Turbocharger, SWOT.

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