The pad of a square hydrostatic thrust bearing, with four pockets of 150 x 150 mm, is shown in Fig. 16.15. The thrust load is 500 kN and the film thickness is 0.15 mm. The viscosity of the lubricant is 250 cP. The pressure in the area A bordering the pockets can be assumed to be uniform and equal to the supply pressure. The pressure distribution in the area B (shown by hatching lines) is assumed to be linear, varying from supply ↓ 4 pockets of 150 x 150 50 400 B 50 go - 400 150 50 P₁ Fig. 16.15 pressure at the inner edge to atmospheric pressure at the outer edge. For calculating the flow of the lubricant, it can be assumed that the area B is straightened out and has length equal to the mean length shown by the dotted line. alculat (i) supply pressure; and (ii) flow requirement in litres/min.

The pad of a square hydrostatic thrust bearing, with four pockets of 150 x 150 mm, is shown in Fig. 16.15. The thrust load is 500 kN and the film thickness is 0.15 mm. The viscosity of the lubricant is 250 cP. The pressure in the area A bordering the pockets can be assumed to be uniform and equal to the supply pressure. The pressure distribution in the area B (shown by hatching lines) is assumed to be linear, varying from supply ↓ 4 pockets of 150 x 150 50 400 B 50 go - 400 150 50 P₁ Fig. 16.15 pressure at the inner edge to atmospheric pressure at the outer edge. For calculating the flow of the lubricant, it can be assumed that the area B is straightened out and has length equal to the mean length shown by the dotted line. alculat (i) supply pressure; and (ii) flow requirement in litres/min.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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