A Comparative Elastohydrostatic Analysis of CFV- and Capillary-Compensated Multirecess Hydrostatic/Hybrid Journal Bearing Operating with Micropolar Lubricant

Table 2

Comparison of static performance characteristics.

Static characteristics	𝑁^2	𝑙𝑚	Performance comparison in Hybrid mode (Ω = 0.5)
			Rigid bearing (𝐶𝑑 = 0.0)			Flexible bearing (𝐶𝑑 = 0.5)
			CFV	Capillary	% Diff.	CFV	Capillary	% Diff.
𝑃max	Newtonian		0.612692	0.60824	0.73	0.582657	0.591998	−1.58
	0.5	20	0.721793	0.656583	9.93	0.675257	0.637741	5.88
	0.9	20	0.780406	0.678793	14.97	0.723369	0.658657	9.82
	0.5	10	0.828036	0.694896	19.16	0.76353	0.674496	13.2
	0.9	10	1.0149	0.748414	35.61	0.908027	0.725063	25.23
ℎmin	Newtonian		0.868863	0.794968	9.3	0.852074	0.78211	8.95
	0.5	20	0.897412	0.81159	10.57	0.880075	0.799163	10.13
	0.9	20	0.909153	0.819027	11	0.891475	0.806767	10.5
	0.5	10	0.914455	0.818917	11.67	0.89673	0.807027	11.12
	0.9	10	0.937497	0.833631	12.46	0.918875	0.82224	11.75
𝑄	Newtonian		1.87	1.87867	−0.46	1.87	1.93459	−3.34
	0.5	20	1.87	1.69388	10.4	1.87	1.75831	6.354
	0.9	20	1.87	1.60927	16.2	1.87	1.67792	11.45
	0.5	10	1.87	1.54748	20.84	1.87	1.61689	15.65
	0.9	10	1.87	1.34413	39.12	1.87	1.42303	31.41
𝜙	Newtonian		28.7463	28.6634	0.29	31.8554	30.4162	4.73
	0.5	20	27.0985	29.6314	−8.55	32.1468	31.6025	1.72
	0.9	20	26.1998	29.9903	−12.64	32.3376	32.0758	0.82
	0.5	10	26.3315	31.1599	−15.5	33.0915	33.1452	−0.16
	0.9	10	24.073	32.3095	−25.49	34.5794	34.4733	0.31