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Rotating and positive-displacement pumps for low-thrust rocket engines. Volume 1: Pump Evaluation and design (1974)

Csomor, A. ; Macgregor, C.

In: CASI

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Publication Date: 2019-06-27

Description: Rotating and positive displacement pumps of various types were studied for pumping liquid fluorine for low-thrust, high-performance rocket engines. Included in the analysis were: centrifugal, pitot, Barske, Tesla, drag, gear, vane, axial piston, radial piston, diaphragm, and helirotor pump concepts. The centrifugal pump and the gear pump were selected and these were carried through detailed design and fabrication. Mechanical difficulties were encountered with the gear pump during the preliminary tests in Freon-12. Further testing and development was therefore limited to the centrifugal pump. Tests on the centrifugal pump were conducted in Freon-12 to determine the hydrodynamic performance and in liquid fluorine to demonstrate chemical compatibility.

Keywords: PROPULSION SYSTEMS

Type: NASA-CR-72965 , R-8494-1-VOL-1

Format: application/pdf

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