b. An air - conditioning system takes in air at a volumetric flow rate of

230(m^(3))/((m))in,101.325kPa,30\\\\deg C

and

70%

relative humidity and delivers it at

22\\\\deg C

and

50%

relative humidity. The air flows over the cooling coils, where it is cooled and dehumidified, and then over the resistance heating wires where it is heated to the desired deliver temperature. Then the refrigeration system operates at steady state condition with refrigerant

R410a

is used as a working fluid. Saturated vapour of R410a enters the compressor at

-10\\\\deg C

and leaves the condenser as saturated liquid at 26 bar. Sketch the process using psychrometric chart. Evaluate i . the mass flow rate of the dry air

k(g)/(m)

in, 16 ar

=100kf26

bar

=26009=43^(**)14\\\\deg C

ii, the rate of moisture removed from the air

k(g)/(m)

in, iii. the required cooling capacity capacity. [kW], iv. the mass flow rate of

b. An air - conditioning system takes in air at a volumetric flow rate of 230mm3in,101.325kPa,30C and 70% relative humidity and delivers it at 22C and 50% relative humidity. The air flows over the cooling coils, where it is cooled and dehumidified, and then over the resistance heating wires where it is heated to the desired deliver temperature. Then the refrigeration system operates at steady state condition with refrigerant R410a is used as a working fluid. Saturated vapour of R410a enters the compressor at 10C and leaves the condenser as saturated liquid at 26 bar. Sketch the process using psychrometric chart. Evaluate i . the mass flow rate of the dry air kmg in, 16ar=100kf26bar =26009=4314C ii , the rate of moisture removed from the air mgin, iii. the required cooling capacity capacity [kW, iv, the mass flow rate of