A time series model is used in this paper to describe the progress of
circulating direct condensation heat recovery of the compound condensing
process (CCP) which is made of two water cooling condensing processes in series
for a centrifugal chiller in the paper. A finite-time thermodynamics method is
used to set up the time series simulation model. As a result, an upper bound of
recoverable condensation heat for the compound condensing process is obtained
which is in good agreement with experimental result. And the result is valuable
and useful to optimization design of condensing heat recovery.
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