Engineering, 08.04.2020 02:13 Jackmcvay14
Assume the internal pressure varies cyclically in the cylinder from pmin=0 to Pmax , where Pmax is 60% of the estimated maximum pressure that will lead to failure by yielding as predicted by Tresca criterion. The Paris law for the material is da = 1.6 X 10 "(AK) 9 m/cycle CA a. Find the number of cycles for the crack of initial length 200 = 0.01 m to grow to a length 20 = 0.025 m. b. Find the number of cycles before the crack reaches critical length (i. e life of the part).
Answers: 1
Engineering, 03.07.2019 14:10, bryneosburn
Line joining liquid phase with liquid and solid phase mixture is known as: a) liquidus b) solidus c) tie line d) none of the mentioned
Answers: 2
Engineering, 03.07.2019 15:10, brooklyn674
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:10, oshawn108
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg. k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m. k
Answers: 2
Assume the internal pressure varies cyclically in the cylinder from pmin=0 to Pmax , where Pmax is 6...
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