Performance Analysis of Solar Assisted Fluidized Bed Dryer Integrated Biomass Furnace with and without Heat Pump for Drying of Paddy

Table 3

Performance evaluation of the SA-FBDIBF and SAHP-FBDIBF for drying of paddy.

Parameters	Unit	SA-FBDIBF	SAHP-FBDIBF
Initial mass of paddy	kg	11	11
Final mass of paddy	kg	9.62	9.62
Initial moisture content of paddy (dry basis)	%	32.85	32.85
Final moisture content of paddy (dry basis)	%	16.29	16.29
Air mass flow rate	kg/s	0.1037	0.1037
Average efficiency of solar collector	%	58.20	50.51
Average COP of heat pump	—	—	3.74
Average efficiency of biomass furnace	%	75.57	77.49
Average drying chamber temperature	°C	80.3	80.9
Average drying chamber relative humidity	%	12.28	8.14
Drying time	Minutes	29.73	22.95
Average drying rate	kg/minutes	0.043	0.050
Average SEC	kWh/kg	5.454	4.763
Average STEC	kWh/kg	2.579	1.864
Average SEEC	kWh/kg	1.809	1.712
Average SMER	kg/kWh	0.204	0.241
Average thermal efficiency of dryer	%	12.28	15.54
Average pickup efficiency	%	33.55	43.84
Average solar energy fraction	%	10.9	10.6
Average biomass energy fraction	%	36.6	30.4