Engineering, 24.06.2020 19:01 getsic
3. The drag force, D, on an oval-shaped submarine moving well below the surface is a function of its maximum diameter, dmax, and its speed as well as the density and viscosity of the seawater. We wish to do a test on a model scaled to one-twentieth of the prototype in a water tunnel. If the speed of the prototype is 5 knots, what speed should the model have in order to dynamically simulate the actual case.
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Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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Engineering, 04.07.2019 18:10
Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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Engineering, 04.07.2019 18:10
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
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Engineering, 04.07.2019 18:10
The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
Answers: 3
3. The drag force, D, on an oval-shaped submarine moving well below the surface is a function of its...
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