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Depth (mm) Strain 1 Strain 2 Strain 3 0.1 9.54E-07 -6.67E-06 4.67E-05 0.2 6.94E-07 -6.64E-06 3.60E-05 0.3 4.14E-07 1.32E-06 2.01E-05 0.4 2.77E-07 3.01E-07 1.34E-05 0.5 1.46E-07 1.08E-06 6.98E-06 0.6 6.85E-08 -4.66E-07 3.49E-06 0.7 3.27E-08 -4.45E-07 1.43E-06 0.8 -7.29E-09 -3.72E-08 -3.36E-07 0.9 2.45E-08 -6.99E-08 1.20E-06 1.0 2.41E-08 -3.61E-07 1.22E-06 a. The data included in the table are from the strain gauges of a hole- drilling rosette gauge. Calculate the principal stresses using the incremental hole-drilling technique. The ultra high-strength steel being analysed has Young's modulus 195 GPa and Poisson's ratio 0.29. The values for a and b can be used from Activity 19.2b. In order to achieve full marks, each step of the calculations should be detailed, including any assumptions being made. Include equations, screenshots of Excel and written descriptions in your answer, and graphical representation of data as appropriate. (20 marks) b. Describe another residual stress technique that could be used to characterise the surface stresses at the same depths as in Question 3(a). Activity 19.2b: Working through a data set Now take the data set from the other side of the bent beam. You can find this in the Activity_19_2b_concave_side_hole_drilling.xlsx file on the Week 19 resources page. Work through the analysis steps. If you have already done this for the first side of the beam, you can simply copy the new strains into the workbook. Hide answer Answer After working through the procedure, or simply copying the data from the activity data file to the workbook created while reading through this study session, the final results should look something like the following. 120.00 Stress (MPa) 100.00 80.00 60.00 40.00 20.00 0.00 0 -20.00 104.07 -4.07E+00 0.4 0.6 Position below surface (mm)

Depth (mm) Strain 1 Strain 2 Strain 3 0.1 9.54E-07 -6.67E-06 4.67E-05 0.2 6.94E-07 -6.64E-06 3.60E-05 0.3 4.14E-07 1.32E-06 2.01E-05 0.4 2.77E-07 3.01E-07 1.34E-05 0.5 1.46E-07 1.08E-06 6.98E-06 0.6 6.85E-08 -4.66E-07 3.49E-06 0.7 3.27E-08 -4.45E-07 1.43E-06 0.8 -7.29E-09 -3.72E-08 -3.36E-07 0.9 2.45E-08 -6.99E-08 1.20E-06 1.0 2.41E-08 -3.61E-07 1.22E-06 a. The data included in the table are from the strain gauges of a hole- drilling rosette gauge. Calculate the principal stresses using the incremental hole-drilling technique. The ultra high-strength steel being analysed has Young's modulus 195 GPa and Poisson's ratio 0.29. The values for a and b can be used from Activity 19.2b. In order to achieve full marks, each step of the calculations should be detailed, including any assumptions being made. Include equations, screenshots of Excel and written descriptions in your answer, and graphical representation of data as appropriate. (20 marks) b. Describe another residual stress technique that could be used to characterise the surface stresses at the same depths as in Question 3(a). Activity 19.2b: Working through a data set Now take the data set from the other side of the bent beam. You can find this in the Activity_19_2b_concave_side_hole_drilling.xlsx file on the Week 19 resources page. Work through the analysis steps. If you have already done this for the first side of the beam, you can simply copy the new strains into the workbook. Hide answer Answer After working through the procedure, or simply copying the data from the activity data file to the workbook created while reading through this study session, the final results should look something like the following. 120.00 Stress (MPa) 100.00 80.00 60.00 40.00 20.00 0.00 0 -20.00 104.07 -4.07E+00 0.4 0.6 Position below surface (mm)

Refrigeration and Air Conditioning Technology (MindTap Course List)
Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter1: Heat, Temperature, And Pressure
Section: Chapter Questions
Problem 17RQ: Convert 22C to Fahrenheit.
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Please can you assist me with the attached question. Many thanks.
Depth (mm) Strain 1 Strain 2 Strain 3 0.1 9.54E-07 -6.67E-06 4.67E-05 0.2 6.94E-07 -6.64E-06 3.60E-05 0.3 4.14E-07 1.32E-06 2.01E-05 0.4 2.77E-07 3.01E-07 1.34E-05 0.5 1.46E-07 1.08E-06 6.98E-06 0.6 6.85E-08 -4.66E-07 3.49E-06 0.7 3.27E-08 -4.45E-07 1.43E-06 0.8 -7.29E-09 -3.72E-08 -3.36E-07 0.9 2.45E-08 -6.99E-08 1.20E-06 1.0 2.41E-08 -3.61E-07 1.22E-06 a. The data included in the table are from the strain gauges of a hole- drilling rosette gauge. Calculate the principal stresses using the incremental hole-drilling technique. The ultra high-strength steel being analysed has Young's modulus 195 GPa and Poisson's ratio 0.29. The values for a and b can be used from Activity 19.2b. In order to achieve full marks, each step of the calculations should be detailed, including any assumptions being made. Include equations, screenshots of Excel and written descriptions in your answer, and graphical representation of data as appropriate. (20 marks) b. Describe another residual stress technique that could be used to characterise the surface stresses at the same depths as in Question 3(a).
Transcribed Image Text:Depth (mm) Strain 1 Strain 2 Strain 3 0.1 9.54E-07 -6.67E-06 4.67E-05 0.2 6.94E-07 -6.64E-06 3.60E-05 0.3 4.14E-07 1.32E-06 2.01E-05 0.4 2.77E-07 3.01E-07 1.34E-05 0.5 1.46E-07 1.08E-06 6.98E-06 0.6 6.85E-08 -4.66E-07 3.49E-06 0.7 3.27E-08 -4.45E-07 1.43E-06 0.8 -7.29E-09 -3.72E-08 -3.36E-07 0.9 2.45E-08 -6.99E-08 1.20E-06 1.0 2.41E-08 -3.61E-07 1.22E-06 a. The data included in the table are from the strain gauges of a hole- drilling rosette gauge. Calculate the principal stresses using the incremental hole-drilling technique. The ultra high-strength steel being analysed has Young's modulus 195 GPa and Poisson's ratio 0.29. The values for a and b can be used from Activity 19.2b. In order to achieve full marks, each step of the calculations should be detailed, including any assumptions being made. Include equations, screenshots of Excel and written descriptions in your answer, and graphical representation of data as appropriate. (20 marks) b. Describe another residual stress technique that could be used to characterise the surface stresses at the same depths as in Question 3(a).
Activity 19.2b: Working through a data set Now take the data set from the other side of the bent beam. You can find this in the Activity_19_2b_concave_side_hole_drilling.xlsx file on the Week 19 resources page. Work through the analysis steps. If you have already done this for the first side of the beam, you can simply copy the new strains into the workbook. Hide answer Answer After working through the procedure, or simply copying the data from the activity data file to the workbook created while reading through this study session, the final results should look something like the following. 120.00 Stress (MPa) 100.00 80.00 60.00 40.00 20.00 0.00 0 -20.00 104.07 -4.07E+00 0.4 0.6 Position below surface (mm)
Transcribed Image Text:Activity 19.2b: Working through a data set Now take the data set from the other side of the bent beam. You can find this in the Activity_19_2b_concave_side_hole_drilling.xlsx file on the Week 19 resources page. Work through the analysis steps. If you have already done this for the first side of the beam, you can simply copy the new strains into the workbook. Hide answer Answer After working through the procedure, or simply copying the data from the activity data file to the workbook created while reading through this study session, the final results should look something like the following. 120.00 Stress (MPa) 100.00 80.00 60.00 40.00 20.00 0.00 0 -20.00 104.07 -4.07E+00 0.4 0.6 Position below surface (mm)
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