Accession Number : ADA253973


Title :   A Multi-Fluid Model of Turbulence for Li-SF6 Submerged Combustion.


Descriptive Note : Technical rept. 15 Jul-1 Aug 91,


Corporate Author : WISCONSIN UNIV-MILWAUKEE DEPT OF MECHANICAL ENGINEERING


Personal Author(s) : Chan, S H ; Abou-Ellail, M M


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/a253973.pdf


Report Date : 01 Aug 1992


Pagination or Media Count : 27


Abstract : Liquid metal combustion has been used as the primary energy source for underwater vehicle propulsion because of its energetic and closed-cycle characteristics. This can be achieved by injecting gaseous oxidizer (SF6) in a molten metal (Li) bath. The present paper describes a new multi-fluid (MF) combustion model for multiphase submerged diffusion flames. Each fluid has separate transport equations which are linked to other fluids' transport equations by additional source terms. The present MF model results for a submerged Li(l)-SF6(g) flame gave a much longer plume length compared to the corresponding locally-homogeneous flow (LHF) model results and is in good agreement with the experimentally measured plume length.


Descriptors :   *UNDERWATER VEHICLES , *LIQUID METALS , METALS , MODELS , LIQUIDS , ENERGY , TURBULENCE , CYCLES , COMBUSTION , LENGTH , TRANSPORT , OXIDIZERS , FLUIDS , DIFFUSION , FLOW , PLUMES , AGREEMENTS , FLAMES , EQUATIONS , PAPER , BATHS , UNDERWATER


Subject Categories : Biochemistry


Distribution Statement : APPROVED FOR PUBLIC RELEASE