![]() ![]() Assume that the Young's modulus of the aluminium is 70 GPa and the Poisson's ratio is 0.35. ![]() (An Excel template is available from 'Other resources on the Resources page if required.) Use the equations derived in Activity 5.3a to calculate the hoop stress and radial stress at the five radial locations measured in the experiment, and fill in the results in the Derived stress' columns in your table. You will use the data in the table to plot a graph later. Radial Mean strain from Derived stress Theoretical stress position OEL (MPa) (MPa) (mm) Hoop Radial Hoop Hoop Radial 28 36 45 56 63 Radial Reveal answerĪctivity 5.3b: Deriving the stress in a cylindrical pressure vessel from experimental strain values Create a table similar to the following table using spreadsheet software such as Excel. You will calculate the theoretical stress in the next activity. ![]() a strain gauge reading of 1 in the OEL is a strain of 1 × 10-6). Hint: take care to use the actual strain values when performing the calculation (e. Activity 5.3b: Deriving the stress in a cylindrical pressure vessel from experimental strain values Create a table similar to the following table using spreadsheet software such as Excel. ![]()
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