Engineering, 29.11.2019 00:31, amberc5110
Unsteady-state diffusion/heat conduction): consider the dimensionless form of the unsteady-state diffusion equation∂u/ ∂t = ∂ 2u/ ∂x2 ; t > 0, 0 < x < πwith boundary and initial conditions∂u/ ∂x(0, t = 0; ∂u/ ∂x(π, t) = 0; u(x.0) = f(x)where f(x) is the function defined in problem 101 (picture attached as well). solve the equation and show some schematic profiles of u(x, t) for small and large times.
Answers: 1
Engineering, 04.07.2019 18:10, alyssabailey7545
Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines
Answers: 1
Engineering, 04.07.2019 18:10, bckyanne3
Afull journal bearing has a journal diameter of 27 mm, with a unilateral tolerance of -0.028 mm. the bushing bore has a diameter of 27.028 mm and a unilateral tolerance of 0.04 mm. the l/d ratio is 0.5. the load is 1.3 kn and the journal runs at 1200 rev/min. if the average viscosity is 50 mpa-s, find the minimum film thickness, the power loss, and the side flow for the minimum clearance assembly.
Answers: 1
Engineering, 04.07.2019 18:10, soreese02
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
Answers: 2
Unsteady-state diffusion/heat conduction): consider the dimensionless form of the unsteady-state di...
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