Engineering, 23.03.2020 20:40 kevonmajor
Creating vacancies in ceramics. Consider doping ZrO2 with small concentrations of Nb205. The valence of Nb is 5. Assume that Nb ions sit in Zr ion sites. (a) What is the type of defects produced? (b) How will such doping affect the oxygen anion conduction in ZrO2?
Answers: 2
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Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
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Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
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Creating vacancies in ceramics. Consider doping ZrO2 with small concentrations of Nb205. The valence...
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