Engineering, 21.04.2020 19:13, taytay1828
A shock wave from an explosion travels at Mach 3 towards a building. The shock reflects from the building wall and travels back in the direction it came from. There is a pile of firewood outside the building that experiences both the incident and reflected shocks. You can treat both as normal shocks. Given the wood has an auto-ignition temperature of 800K (i. e., the temperature at which it will spontaneously ignite), does the wood ignite? When does it ignite (i. e., after the passage of the first shock or the second shock or never?) Before the explosion happened the conditions near the building are 300K and 1 atm pressure.
Answers: 1
Engineering, 03.07.2019 14:10, volleyballfun24
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.
Answers: 3
Engineering, 04.07.2019 18:10, wirchakethan23
Hydraulic fluid with a sg. of 0.78 is flowing through a 1.5 in. i. d. pipe at 58 gal/min. the fluid has an absolute viscosity of 11.8 x 105 lbf-sec/ft2. is the flow laminar, turbulent or within the critical range? give both a numerical reynolds number and a term answer.
Answers: 3
A shock wave from an explosion travels at Mach 3 towards a building. The shock reflects from the bui...
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