Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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A thin cylindrical pressure vessel of 1.2 m diameter generates steam at a
pressure of 1.75 N/mm2. Find the minimum wall thickness, if (a) the longitudinal stress does not
exceed 28 MPa; and (b) the circumferential stress does not exceed 42 MPa
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- The spherical pressure hull of the undersea submarine, under a research study shown in the figure below, has a 1 meter radius with a shell thickness of 30mm. The pressure hull is made of steel having a yield point of 700 MPa. Consider sea water to have a constant specific weight of 10kN/m³. Determine the depth pressure of submergence that would setup the yield point stress in the spherical shell. Use:p = yy, where y is the depth r = 1m t = 30mm comexarrow_forwardA cylinder has an internal diameter of 230 mm, has walls 5 mm thick and is 1 m long. It is found to change in internal volume by 12.0 × 10-6 m³ when filled with a liquid at a pressure p. If E=200 GN/m² and v = 0.25, and assuming rigid end plates, determine: (a) the values of hoop and longitudinal stresses; (b) the modifications to these values if joint efficiencies of 45% (hoop) and 85% (longitudinal) are assumed; (c) the necessary change in pressure p to produce a further increase in internal volume of 15%. The liquid may be assumed incompressible.arrow_forwardA spherical tank of diameter 1.2 m and wall thickness 50 mm contains compressed air at a pressure of 17 MPa. What is the value of tensile stress? (Assume E = 210 GPa, v = 0.29)arrow_forward
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