Van Vang Le, Thanh Hai Truong


We know the development trend of industries in general and the shipbuilding industry, in particular, is the increase in energy efficiency to contribute to global emissions reduction, especially CO2 emissions. It is not difficult to realize that gas turbines utilize exhaust gas energy to increase the intake air pressure. Exhaust gas turbines are convenient enough to complete the shipbuilding industry in line with the norms of the world maritime organization, including EEDI (energy efficiency design index) and SEEMP (ship energy efficiency management plan). Thus, satisfying IMO's EEDI and SEEMP criteria under MARPOL Annex VI, the completion of the design and exploitation of turbocharged exhaust turbines should be a top priority. Exhaust gas turbines increase the intake air pressure to improve the performance of diesel engines, so it is almost present on most diesel engines. Mastering the structure and working principles to improve the efficiency of turbines continuously is an urgent requirement. Besides, it is necessary to follow the manufacturer's instructions and research to effectively exploit turbines that will contribute to increasing economic efficiency and contributing to reducing environmental pollution emissions. The article focuses on analyzing measures to overcome the causes of working instability of the main diesel engine's exhaust gas turbine, which will contribute a small part in completing exhaust gas turbines. Based on mastering the knowledge of exhaust gas turbine, we can choose the turbine layout to utilize exhaust gas heat suitable for diesel engines. Moreover, mastering the factors that affect the working of turbines and compressors, thereby improving the quality of turbine extraction and maintenance to ensure they always work in the best conditions.

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