Engineering, 13.09.2019 01:10 minecraftsam2018
Consider a spherical shell of inner radius r1 and outer radius r2. show that the thermal resistance of the shell is rth = (1/r1-1/r2) / (4xk).
Answers: 1
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
Engineering, 04.07.2019 18:10
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
Engineering, 04.07.2019 18:20
Determine the damped natural frequencies and the steady state response of a decoupled damped forced two degrees of freedom system. 10ä1 + 2q1 20q1 10 cos t; 10q2 +4q2 + 40q2 10 cos t
Answers: 3
Engineering, 04.07.2019 18:20
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Consider a spherical shell of inner radius r1 and outer radius r2. show that the thermal resistance...
Mathematics, 19.04.2020 21:46
English, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
History, 19.04.2020 21:47
English, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
Mathematics, 19.04.2020 21:47
History, 19.04.2020 21:47