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Numerical simulation of dual-media thermal energy storage systems. [Packed beds].

Author
Gross, R. J.
Published
United States : [publisher not identified], 1979.
Springfield, Va. : National Technical Information Service, [approximately 1979]
Physical Description
microfiche : negative ; 11 x 15 cm
Additional Creators
Hackett, C. E. and Hickox, C. E.

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Summary
An easily implemented, finite-difference predictor-corrector numerical technique originated by MacCormack is used to solve for fluid and solid temperature distributions in one-dimensional flow through a finite packed bed. The method allows for temperature dependent properties, time-varying inlet conditions and nonuniform initial conditions. The numerical method agrees with the classical Schumann model to within 1% in simulations which exhibit fully-developed thermal gradients of 310/sup 0/C/m. Additional examples demonstrate the flexibility of the technique and that the constant property assumption may lead to temperature distributions significantly different from a more realistic variable property assumption. The attractiveness and uniqueness of the method is, then, its accuracy, flexibility, ease of implementation and efficiency computation-wise.
Report Numbers
SAND-78-2282C; CONF-790808-3
Other Subject(s)
Collection
NTIS collection.
Note
DOE contract number: EY-76-C-04-0789
OSTI Identifier 6269001
Research organization: Sandia Labs., Albuquerque, NM (USA).
View MARC record | catkey: 45336097