Physics, 19.09.2019 03:10 Heyitsbrandi
At the beginning of the compression process of an air-standard otto cy- cle, p 1 bar, t 290 k, v400 cm3. the maximum temperature in the cycle is 2200 k and the compression ratio is 8. determine (a) the heat addition, in kj, (b) the net work, in kj, c) the thermal efficiency, (d) the mean effective pressure, in bar, (e) the availability (exergy) transfer from the air accompanying heat rejection process, in kj, for to 290 k, po 1 bar.
Answers: 1
Physics, 22.06.2019 10:30, markfaerman5408
Carbon is allowed to diffuse through a steel plate 15 mm thick. the concentrations of carbon at the two faces are 0.65 and 0.30 kg c/m^3 fe, which are maintained constant. if the preexponential and activation energy are 6.2 x 10-7 m2 /s and 80,000 j/mol, respectively, compute the temperature at which the diffusion flux is 1.43 x 10^-9 kg/m^2 -s.
Answers: 3
At the beginning of the compression process of an air-standard otto cy- cle, p 1 bar, t 290 k, v400...
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