Engineering, 09.11.2019 03:31 coltbergstrom
Liquid water is fed to a boiler at 24°c and 10 bar is converted at a constant pressure to saturated steam.
a) use the steam tables to calculate δh (kj/kg) for this process, and then calculate the heat input required to produce 15,000 m
3 /h of steam at the exiting conditions.
b) assume that the kinetic energy of the entering liquid is negligible and that the steam is discharged through a 15-cm id pipe.
Answers: 3
Engineering, 04.07.2019 18:10, QueenLife4869
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 19:10, Destinationz
Asteam is contained in a rigid tank with a volume of 1 m3. initially, the pressure and temperature are 7 bar and 500 oc, respectively. the temperature drops due to cooling process. determine: (1) the temperature at which condensation begins in °c, (2) the fraction of the total mass that has condensed when the pressure decreased to 0.5 bar. (3) the volume in m3 occupied by saturated liquid at the final state?
Answers: 3
Liquid water is fed to a boiler at 24°c and 10 bar is converted at a constant pressure to saturated...
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