Engineering, 08.10.2019 02:20, D0399387
Aplane wall of thickness 0.1 m and thermal conductivity 25 w/m·k having uniform volumetric heat generation of 0.3 mw/m3 is insulated on one side, while the other side is exposed to a fluid at 32°c. the convection heat transfer coefficient between the wall and the fluid is 500 w/m2·k. determine the maximum temperature in the wall.
Answers: 3
Engineering, 04.07.2019 18:10, settasav9641
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
Answers: 3
Engineering, 04.07.2019 18:10, agpraga23ovv65c
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
Engineering, 04.07.2019 18:20, hayleymckee
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
Answers: 2
Aplane wall of thickness 0.1 m and thermal conductivity 25 w/m·k having uniform volumetric heat gene...
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