Water wheel | Archive Titles

Table 1: peak winter
AHU ref	Volume (m³/s)	Pre-heat required (kW)	Total heating required (kW)	Heat recovered (kW)	(% of total)	‘Free’ humidification achieved (kg/h)	Approximate humidification power saved (kW)
AHU 6/1	5.15	56.75	151.35	85.76	56.7	96.21	81.78
AHU 6/2	9.69	106.78	284.74	161.35	56.7	181.02	153.86
AHU 6/3	10.33	113.81	303.48	171.97	56.7	192.93	163.99
AHU 6/4	5.31	58.49	155.99	88.39	56.7	99.16	84.29

Table 2: PEAK SUMMER
AHU ref	Volume (m3/s)		‘Semco’ wheel: anticipated supply air ‘off’ condition			Design: supply air ‘off AHU’ condition		Cooling & dehum recovered (kW)	Cooling & dehum recovered (Kw)	Approximate % peak cooling & dehum saved
		(Db 0C)	(Wb 0C)	Specific enthalpy (kJ/kg)	(Db 0C)	(Wb 0C)	Specific enthalpy (kJ/kg)
AHU 6/1	5.15	25.1	19.2	54	18	15	42	125.16	31.41	25
AHU 6/2	9.69	25.1	19.2	54	18	15	42	235.47	59.1	25
AHU 6/3	10.33	25.1	19.2	54	18	15	42	250.97	62.99	25
AHU 6/4	5.31	25.1	19.2	54	18	15	42	128.99	32.38	25