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The S6G reactor is a naval reactor used by the United States Navy to provide electricity generation and propulsion on Los Angeles-class attack submarines. The S6G designation stands for:
- S = Submarine platform
- 6 = Sixth generation core designed by the contractor
- G = General Electric was the contracted designer
Design
This nuclear reactor was designed by General Electric for use on the Los Angeles-class attack submarines. The S6G reactor plant consists of the reactor coolant, steam generation, and other support systems that supply steam to the engine room. The S6G is a 165 megawatt (MW) reactor driving two 26 MW steam turbines.
The Los Angeles-class engine room also contains the steam turbines that generate electricity and drive the propeller shaft. While exact specifications are classified, the S6G reactor can propel a Los Angeles-class submarine at over 15 knots (28 km/h) when surfaced and over 25 knots (46 km/h) while submerged.
Design and operational support for the S6G is provided by Knolls Atomic Power Laboratory (KAPL). The S6G reactor plant was originally designed to use the D1G-2 core, similar to the D2G reactor used on the Bainbridge-class guided missile cruiser. All Los Angeles-class submarines from USS Providence (SSN-719) on were built with a D2W core. The D1G-2 cores are being replaced with D2W cores when the boats are refueled.
References
- World-nuclear.org- Retrieved 2018-05-13
- Nuclear Propulsion
- KAPL: What We Do Archived 2009-12-08 at the Wayback Machine
| United States naval reactors | |
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| Aircraft carrier | |
| Cruiser | |
| Destroyer | |
| Submarine | |
| List of United States naval reactors | |