. 2021 Sep 22;11:18799. doi: 10.1038/s41598-021-98383-0

Table 3.

Specific energy consumption at different feed pellets sizes, air flow rates and rotational speeds of screw.

Feed pellets size, mm	Flow rate, m³ min⁻¹	Rotational speed of screw, rpm					Mean
		180	360	540	720	900
		Specific energy consumption, W h kg⁻¹
1	10	13.6	12.57	12.19	11.37	10.52	12.05^c
	15	9.34	9.01	9.14	8.98	7.59	8.81^b
	20	6.68	5.97	6.09	5.61	5.27	5.92^a
	Mean	9.87^bc	9.18^b	9.14^b	8.65^b	7.79^b
2	10	12.60	11.46	11.60	10.89	10.29	11.37^c
	15	9.21	8.13	8.38	7.76	7.42	8.18^ab
	20	6.46	5.74	5.85	5.48	5.23	5.75^a
	Mean	9.42^b	8.44^b	8.61^b	8.04^b	7.65^b
3	10	10.72	10.27	9.85	8.88	5.63	9.07^b
	15	7.71	7.43	7.08	6.48	4.09	6.56^a
	20	5.39	5.18	4.96	4.53	2.87	4.59^a
	Mean	7.94^b	7.63^b	7.30^b	6.63^b	4.20^a
Mean of size (A)	8.93^b		8.43^b		6.74^a
Mean of time (B)	10.83^c		7.85^b		5.42^a
Mean of speed (C)	9.08^c	8.42^bc		8.35^b	7.78^b		6.55^a
LSD at 0.05	A	B	C	AB	AC	BC	ABC
LSD at 0.05	1.01	2.13	1.14	2.15	2.47	2.07	N.S

Superscripts letters mean significantly between the treatments (statistical analysis).