A Novel Approach to Reduction of Frictional Losses in a Heavy-Duty Diesel Engine by Reducing the Hydrodynamic Frictional Losses

Table 4

The table shows a complete overview of the measured dimensions of the textured samples.

(a)

	Density of grains	Area	Area st. dev.	Perimeter	Perimeter st. dev.	Orientation	Orientation st. dev.
	(%)	(mm^2)	(mm^2)	(µm)	(µm)	(°)	(°)
T20-1	32,2223	4,34707	0,0397027	8265,17	65,4723	159,4	1,25886
T20-2	32,8645	4,29443	0,147231	8277,15	358,444	158,529	6,6634
T20-3	33,8209	4,42867	0,0774429	8403,61	386,756	159,292	4,49348
T20-4	32,9664	4,42515	0,0374976	8304,15	62,9534	159,532	0,925686
T100-1	33,5814	4,39362	0,0402664	8303,7	67,3321	160,107	0,890755
T100-2	34,0799	4,44955	0,114732	8378,44	239,861	159,644	2,18038
T100-3	34,1404	4,44813	0,105916	8381,69	161,312	159,602	1,83101
T100-4	31,5613	4,42882	0,0626995	8332,02	99,071	159,907	1,58551

(b)

	Min. diameter	Min. diameter st. dev.	Max. diameter	Max. diameter st. dev.	Depth	Depth st. dev.
	(µm)	(µm)	(µm)	(µm)	(µm)	(µm)
T20-1	1896,47	9,35645	2910	8,40168	19,59715882	6,337111655
T20-2	1872,57	11,0435	2917,71	121,281	18,16972941	4,905834966
T20-3	1912	5,75698	2947,43	81,393	22,64912941	7,889610536
T20-4	1915,29	6,52384	2926,18	7,67529	19,46122353	3,674416624
T100-1	1909,43	7,53766	2905,71	9,34596	94,58104412	13,81767236
T100-2	1919,71	6,08779	2930	103,178	87,75976176	11,92867327
T100-3	1919,14	6,03392	2928,29	73,4647	97,93557647	13,59051635
T100-4	1917,94	6,76471	2915,59	18,8166	87,18046471	11,65203976