Engineering
Engineering, 31.10.2019 04:31, bqg464

The faces of the thin square plate with side a = 24 are perfectly insulated.

(a) the upper side is kept at 25c and the other sides are kept at 0c. find the steady-state temperature u(x; y) in the plate.

(b) find the steady-state temperature in the plate speci ed in (a) if the lower side is kept at u 0c, the upper side at u 1c, and the other sides are kept at 0c. hint: split into two problems in which the boundary temperature is 0c on three sides for each problem. one more hint: the solutions to the two problems are so similar that you only need to solve at most one problem.

(c) find the steady-state temperature in the plate speci ed in (a) with the upper and lower sides perfectly insulated (i. e. ty = 0), the left side kept at 0c, and the right side kept at f(y)c.

answer
Answers: 2

Other questions on the subject: Engineering

image
Engineering, 04.07.2019 18:10, michellerosas
Ajournal bearing has a journal diameter of 3.250 in with a unilateral tolerance of 20.003 in. the bushing bore has a diameter of 3.256 in and a unilateral tolerance of 0.004 in. the bushing is 2.8 in long and supports a 700-lbf load. the journal speed is 900 rev/min. find the minimum oil film thickness and the maximum film pressure for both sae 20 and sae 20w-30 lubricants, for the tightest assembly if the operating film temperature is 160°f. a computer code is appropriate for solving this problem.
Answers: 3
image
Engineering, 04.07.2019 18:20, krojas015
Asolid cylinder is concentric with a straight pipe. the cylinder is 0.5 m long and has an outside diameter of 8 cm. the pipe has an inside diameter of 8.5 cm. the annulus between the cylinder ad the pipe contains stationary oil. the oil has a specific gravity of 0.92 and a kinematic viscosity of 5.57 x 10-4 m2/s. most nearly, what is the force needed to move the cylinder along the pipe at a constant velocity of 1 m/s?
Answers: 3
image
Engineering, 04.07.2019 19:10, juneham
Estimate the change in specific internal energy au and specific enthalpy h from inlet to outlet for ethylene glycol (a liquid) flowing through each of the following devices: (a) a heat exchanger where the glycol temperature increases from 20 °c to 80 °c; (b) a pump operating at about 25 °c and increasing the glycol pressure from 100 kpa to 8 mpa.
Answers: 2
image
Engineering, 04.07.2019 19:10, rayne40
A)-in the process of engineering design, explain the contribution of material selection. b)- explain the procedure of synthesis as is employed in engineering design. c)- is there any relationship between ergonomics and engineering design? explain. d)- safety consideration in engineering design includes human, product and the enviroment . explain how safety will be incorporated into the design?
Answers: 3
Do you know the correct answer?
The faces of the thin square plate with side a = 24 are perfectly insulated.

(a) the up...

Questions in other subjects: