File:Ssme schematic (updated).svg

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Original file ‎(SVG file, nominally 800 × 571 pixels, file size: 179 KB)

Summary

A functional diagram showing the flow of propellant through an RS-25 engine. Very high flow rates are needed in the main combustion chamber, so the energy to achieve this is generated in upstream combustion "pre-burner" chambers that generate a partial burn to drive the high pressure turbopumps on both the fuel and oxidizer sides. Pressure feeding the preburners is maintained by the low-pressure turbopumps. Routing fuel through the nozzle serves to both cool the nozzle as well as pre-heat the fuel.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current00:13, 6 January 2017Thumbnail for version as of 00:13, 6 January 2017800 × 571 (179 KB)127.0.0.1 (talk)A functional diagram showing the flow of propellant through an RS-25 engine. Very high flow rates are needed in the main combustion chamber, so the energy to achieve this is generated in upstream combustion "pre-burner" chambers that generate a partial burn to drive the high pressure turbopumps on both the fuel and oxidizer sides. Pressure feeding the preburners is maintained by the low-pressure turbopumps. Routing fuel through the nozzle serves to both cool the nozzle as well as pre-heat the fuel.
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