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Mechanics 1 of materials hibbeler 6th Episode 1 Part 8

Tham khảo tài liệu 'mechanics 1 of materials hibbeler 6th episode 1 part 8', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 5-33 The drive shaft AB of an automobile is to be designed as a thin-walled tube. The engine delivers 150 hp when the shaft is turning at 1500 rev min. Determine the minimum thickness of the shaft s wail if the shafts outer diameter is 2.5 in. The material has an allowable shear stress of Tallow 7 LT a 150Q- - 157.08 rad s 60 p Ta 150 550 7X157.08 T 525.21 lb ft 7c Tallow J 3 525.21 12 1.25 U460in. 4 1.254 - rf t ro - Tị 1.25 - 1.1460 t 0.104 in. Ans From Mechanics of Materials Sixth Edition by R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc. Upper Saddle River NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced in any form or by any means without permission in writing from the publisher. 5-34 The drive shaft of a tractor is to be designed as a thinwalled tube. The engine delivers 200 hp when the shaft is turning at 1200 rev min. Determine the minimum thickness of the wall of the shaft ư the shaft s outer diameter is 3 in. The material has an allowable shear stress of Tallow 7 ksi. _ rev r 2 rad 1 min a - 1200 - -ff-- 40 rad s min rev 60 s p 200hp - f jb s 110 000 ft-Ib s 1 hp p 110 000 T - 875.35 lb-ft Cừ 40 _ 7c tmix fallow 7 103 n 1.380 in. f 1.54 - r4 t - rt ri 1.5 1.380 0.120 in. Ans From Mechanics of Materials Sixth Edition by R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc. Upper Saddle River NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced in any form or by any means without permission in writing from the publisher. 5-35 A motor delivers 500 hp to the steel shaft AB which is tubular and has an outer diameter of 2 in. If it is rotating at 200 rad s determine its largest inner diameter to the nearest J in. if the allowable shear stress for