Steady-state performance of a run-around membrane energy exchanger (RAMEE) for a range of outdoor air conditions

The steady-state performance of a run-around membrane energy exchanger (RAMEE) for a wide range of outdoor air conditions is presented here. The RAMEE is numerically simulated and the sensible and latent effectiveness values corresponding to the maximum total energy effectiveness for different outdo...

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Veröffentlicht in:	International journal of heat and mass transfer 2011-04, Vol.54 (9), p.1814-1824
Hauptverfasser:	Hemingson, Howard B., Simonson, Carey J., Besant, Robert W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building technical equipments Buildings Buildings. Public works Computer simulation Environmental engineering Exact sciences and technology Exchange Heat and moisture exchange Heat exchangers Mass transfer Mathematical models Membranes Moisture Outdoor Run-around exchanger Semi-permeable membrane Variable outdoor air conditions
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Beschreibung
Zusammenfassung:	The steady-state performance of a run-around membrane energy exchanger (RAMEE) for a wide range of outdoor air conditions is presented here. The RAMEE is numerically simulated and the sensible and latent effectiveness values corresponding to the maximum total energy effectiveness for different outdoor air conditions are presented. The effectiveness values are shown to be very dependent on outdoor conditions which results in some effectiveness values exceeding 100% or being less than 0% for several of the outdoor air conditions investigated. The heat and moisture transfers are shown to influence the latent and sensible performances of the RAMEE, respectively.
ISSN:	0017-9310 1879-2189
DOI:	10.1016/j.ijheatmasstransfer.2010.12.036