A high Reynolds-number seal test facility: facility description and preliminary test data. Academic Article uri icon


  • A facility was developed for testing the leakage and rotordynamic characteristics of interstage seal configurations for the HPFTP (High Pressure Fuel Turbopump) of the SSME (Space Shuttle Main Engine). Axial Reynolds numbers of the order of 400,000 were realized in the test facility by using a Dupont freon fluid called Halon. The kinematic viscosity of Halon is of the same order as the liquid hydrogen used in the HPFTP. Initial testing was focused on the current flight configurations (a three segment, stepped unit) and a convergent taper candidate. (A)

author list (cited authors)

  • Childs, D. W., Nelson, C., Noyes, T., & Dressman, J. B.

publication date

  • January 1982