PROBLEM: 7 Calculate the dimensions of helical spring for a spring loaded safety valve from the following data : Valve Diameter = 45 mm; operating pressure = 0.6 N/mm2 Maximum pressure when the valve blows off freely = 0.99 N/mm2 ;valve lift when pressure rises from 0.6 to 0.99 N/mm2 = 5.5 mm ;Maximum permissible stress = 555 N/mm2 ; spring index ,C = 9; Modulus of rigidity =0.85x 105 N/mm2. Assume the spring coil is squared and ground.
PROBLEM: 7 Calculate the dimensions of helical spring for a spring loaded safety valve from the following data : Valve Diameter = 45 mm; operating pressure = 0.6 N/mm2 Maximum pressure when the valve blows off freely = 0.99 N/mm2 ;valve lift when pressure rises from 0.6 to 0.99 N/mm2 = 5.5 mm ;Maximum permissible stress = 555 N/mm2 ; spring index ,C = 9; Modulus of rigidity =0.85x 105 N/mm2. Assume the spring coil is squared and ground.
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter8: Applications Of Plane Stress (pressure Vessels, Beams, And Combined Loadings)
Section: Chapter Questions
Problem 8.3.2P
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PROBLEM: 7 Calculate the dimensions of helical spring for a spring loaded safety valve from the following data : Valve Diameter = 45 mm; operating pressure = 0.6 N/mm2 Maximum pressure when the valve blows off freely = 0.99 N/mm2 ;valve lift when pressure rises from 0.6 to 0.99 N/mm2 = 5.5 mm ;Maximum permissible stress = 555 N/mm2 ; spring index ,C = 9; Modulus of rigidity =0.85x 105 N/mm2. Assume the spring coil is squared and ground.
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