Engineering, 26.03.2021 01:50 kingoftime
Suppose that a wing component on an aircraft is fabricated from an aluminum alloy that has a plane strain fracture toughness of 29 MPa (26.39 ksi). It has been determined that fracture results at a stress of 101 MPa (14650 psi) when the maximum internal crack length is 7.5 mm (0.2953 in.). For this same component and alloy, compute the stress level at which fracture will occur for a critical internal crack length of 5 mm (0.1969 in.).
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An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
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Suppose that a wing component on an aircraft is fabricated from an aluminum alloy that has a plane s...
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