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Research of Power and Propulsion System Using Improved Gas-Turbine for DDG-51 Flight III

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If the U.S. Navy decided to implement some sort of high-power mission systems such as directed energy weapon and rail gun, then the current DDG-51 Flight III propulsion and power generation system may have insufficient power generation capability. This paper researched how to equip the expanded ship's Gas Turbine Generator (GTG) using an improved propulsion Gas Turbine (GT) to get more electric power generation capability. As a result, this paper concluded that the existing four LM2500-30 propulsion gas turbines could be replaced by two improved LM2500+G4 propulsion gas turbines and two LM1600 GTGs could be installed in the remaining space to provide more electric power to the ship. To sum up, methods proposed in this paper can provide 29.84 MW max margined power to the ship with a slight degradation in maximum ship's speed.
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Keywords: DDG Modernization; Electric Power System; Power system; Propulsion

Document Type: Research Article

Publication date: March 1, 2019

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  • The Naval Engineers Journal is the peer-reviewed journal of the American Society of Naval Engineers (ASNE). ASNE is the leading professional engineering society for engineers, scientists and allied professionals who conceive, design, develop, test, construct, outfit, operate and maintain complex naval and maritime ships, submarines and aircraft and their associated systems and subsystems.
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