Page 184 - Low Temperature Energy Systems with Applications of Renewable Energy

2170 1835 94.5 985 354
3735 3736 0.85 a) b) c) d) e) 2.17 0.463 0.373 0.22 0.273

2305 1705 43.5 1044 526
3826 3765 0.87 a) b) c) d) e) 2.3 0.43 0.37 0.18 0.21

þ q r:c: E cooling ðs q Þ 0 ðs q Þ s T env Þ T 0

q alloted þ q 0 q g þ q c m$q g ; m$q a ; m$q c ; m$q cond ; m$q r ; Q 0 /Q g ¼ T env Þ T s

¼ ¼ q a ¼ Q 0 ¼ q 0 ¼ ¼ ¼ ¼ ¼ Q g /Q 0 ¼ q 0 ðs q Þ 0 q 0 ðs q Þ s ¼ðT 0 ¼ðT s
q letdown q letdown q alloted m NH 3 Q g a) Q a b) Q c c) Q cond d) Q r e) ¼ q sp E cooling ¼ h ex ðs q Þ 0 ðs q Þ s

kg/s
rate,
flow
kJ/kg mass

plant, plant

of (ammonia) kW: consumption the
balance fluid loads, condenser condenser heat coefficient of COP

Thermal Working Thermal generator a) absorber b) cooler c) d) reflux e) Specific Cooling Exergy