Fig. 1 Configuration of the journal bearing with an axial groove More

Fig. 2 Boundary conditions for the solution of Eq. (3) More

Fig. 3 Solution scheme and corresponding equations More

Fig. 4 A comparison between the experimental observation in Ref. [ 6 ] (upper part) and the presented numerical result (lower part) for oil spread downstream of the supply groove More

Fig. 5 Distribution of ( a ) dimensionless pressure p ¯ and ( b ) shear stress τ ¯ in the unwrapped clearance for the bearing in Ref. [ 6 ] More

Fig. 6 Effect of L ¯ g and w ¯ g on P ¯ total with grooves located at ( a ) ψ = 0 deg, ( b ) ψ = φ , ( c ) ψ = +90 deg, and ( d ) ψ = +270 deg for the bearing in Ref. [ 6 ] More

Fig. 7 Effect of L ¯ g and w ¯ g on h ¯ min with grooves located at ( a ) ψ = 0 deg, ( b ) ψ = φ , ( c ) ψ = +90 deg, and ( d ) ψ = +270 deg for the bearing in Ref. [ 6 ] More

Fig. 8 Effect of L ¯ g and w ¯ g on P ¯ total with grooves located at ( a ) ψ = 0 deg, ( b ) ψ = φ , ( c ) ψ = +90 deg, and ( d ) ψ = +270 deg for the bearing in Ref. [ 23 ] More

Fig. 9 Effect of L ¯ g and w ¯ g on h ¯ min with grooves located at ( a ) ψ = 0 deg, ( b ) ψ = φ , ( c ) ψ = +90 deg, and ( d ) ψ = +270 deg for the bearing in Ref. [ 23 ] More

Fig. 10 Effect of L ¯ g and ψ on ( a ) P ¯ total and ( b ) h ¯ min for the bearing in Ref. [ 6 ] More

Fig. 11 Effect of L ¯ g and ψ on ( a ) P ¯ total and ( b ) h ¯ min for the bearing in Ref. [ 23 ] More

Fig. 12 Preferred regions of ψ for ( a ) the lighter loaded bearing of Ref. [ 6 ] and ( b ) the heavier loaded bearing of Ref. [ 23 ] More

Fig. 13 Comparison of P ¯ total and h ¯ min between the groove located at h ¯ max ( ψ = φ ) and recommended regions: ( a ) between 100 deg and 140 deg and ( b ) between 300 deg and 350 deg for the bearing in Ref. [ 6 ] More

Fig. 14 Comparison of P ¯ total and h ¯ min between the groove located at h ¯ max ( ψ = φ ) and recommended region between 80 deg and 115 deg for the bearing in Ref. [ 23 ] More

Fig. 15 Effect of L ¯ g and ψ on P ¯ total and h ¯ min under ( a , b ) S = 0.2, ( c , d ) S = 0.3, ( e , f ) S = 0.4, and ( g , h ) S = 0.8 More

Fig. 16 Grid control volume More