Research Article

Simulation Analysis of the Four Configurations of Solar Desiccant Cooling System Using Evaporative Cooling in Tropical Weather in Malaysia

Table 1

Specific assumptions used in simulation.

ItemFactor

DWType 683, = 0.1, = 0.07, power consumption: 0.2 kW, and speed of rotor rotation: 8 r/h
DECType 506c, saturation efficiency = 0.8, and power consumption: 0.1 kW
HRWType 760b, sensible efficiency = 75.6%, latent efficiency = 0%, and power consumption: 0.17 kW
HXType 91, effectiveness = 0.7, specific heat of hot side: 4.19 kj/kg·K, and specific heat of hot side: 1.05 kj/kg·K
PumpType 3b, maximum power consumption: 60 W and water flow rate: 180 kg/h
BlowerType 112a, motor efficiency = 0.85 and maximum air flow rate: 870.4 kg/h
Room (load)Type 690, sensible load: 2.625, latent load: 0.875, SHR = 0.75
Weather dataType 109-TMY2, all of weather data is based on Kuala Lumpur (Malaysia)
Solar collectorType 71, evacuated tube, area of collector: 20 m2 and the efficiency of collector : 0.60
Hot water tankType 4c, the loss coefficient: 0.55 W/m2 K
Backup heaterType 6, the maximum heating rate: 10 kW
The one year average solar radiation of Malaysia (2012): 500 W/m2