CFTNChurch for the Nations (Phoenix, AZ)
CFTNCall Forward to Number (telephones)
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References in periodicals archive ?
where [[??].sub.H] is the heating capacity in Btu/hr (kJ/s), [[??].sub.meas] is the measured supply air flow rate in cftn ([m.sup.3]/s), [C.sub.P] is the specific heat at constant pressure in Btu/(lbm[degrees]F) (kJ/(kg x K)), v is the specific volume of air in lb/[ft.sup.3] ([m.sup.3]/kg), MAT is the MAT before the gas burner in [degrees]F ([degrees]C), and [DELTA][] is the supply fan temperature rise in [degrees]F ([degrees]C).