Engineering, 29.10.2020 17:00 Hjackson24
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and that the value of n in the exponential is 2.4. If, at some temperature, the fraction recrystallized is 0.30 after 100 min, determine the rate of recrystallization at this temperature.
Answers: 1
/min
) ................1
![[\frac{-ln(1-y)}{k}]^{1/n}](/tpl/images/0851/5243/ddc4c.png)
![[\frac{-ln(1-0.5)}{5.65\times 106{-6}}]^{1/2.4}](/tpl/images/0851/5243/d7ca5.png)
Another question on Engineering
Engineering, 04.07.2019 18:10
Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.
Answers: 2
Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
Engineering, 04.07.2019 18:10
Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
Answers: 2
Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
Answers: 2
You know the right answer?
It is known that the kinetics of recrystallization for some alloy obey the Avrami equation, and that...
Questions
Mathematics, 11.07.2019 10:00
History, 11.07.2019 10:00
English, 11.07.2019 10:00
Chemistry, 11.07.2019 10:00
Spanish, 11.07.2019 10:00
Spanish, 11.07.2019 10:00
Spanish, 11.07.2019 10:00
Mathematics, 11.07.2019 10:00
