Above figure provides steady-state operating data for a mixing chamber in which entering liquid and vapor streams of water mix to form an exiting saturated liquid stream. Heat transfer from the mixing chamber to its surroundings occurs at an average surface temperature of 38°C. The effects of motion and gravity are negligible. Let To= 20°C, po = 1 bar. For the mixing chamber, determine, each in ki/s, (a) enthalpy of the stream 1, 2, and 3, (b) entropy of the stream 1, 2, and 3, (c) the rate of heat transfer between the chamber and environment,

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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.8P
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T, = 38°C
rit = 2 kg/s
T,= 10°C
P= 140 kPa
Saturated liquid
P= 140 kPi
mz = 0.42 kg/s
T = 120°C
P:= 140 kPa
Above figure provides steady-state operating data for a mixing chamber in which entering liquid and
vapor streams of water mix to form an exiting saturated liquid stream. Heat transfer from the mixing
chamber to its surroundings occurs at an average surface temperature of 38°C. The effects of motion
and gravity are negligible. Let To = 20°C, po = 1 bar. For the mixing chamber, determine, each in kl/s,
(a) enthalpy of the stream 1, 2, and 3,
(b) entropy of the stream 1, 2, and 3,
(c) the rate of heat transfer between the chamber and environment,
(d) the accompanying rate of exergy transfer due to the rate of heat transfer in (a).
(e) the rate of exergy destruction.
Transcribed Image Text:T, = 38°C rit = 2 kg/s T,= 10°C P= 140 kPa Saturated liquid P= 140 kPi mz = 0.42 kg/s T = 120°C P:= 140 kPa Above figure provides steady-state operating data for a mixing chamber in which entering liquid and vapor streams of water mix to form an exiting saturated liquid stream. Heat transfer from the mixing chamber to its surroundings occurs at an average surface temperature of 38°C. The effects of motion and gravity are negligible. Let To = 20°C, po = 1 bar. For the mixing chamber, determine, each in kl/s, (a) enthalpy of the stream 1, 2, and 3, (b) entropy of the stream 1, 2, and 3, (c) the rate of heat transfer between the chamber and environment, (d) the accompanying rate of exergy transfer due to the rate of heat transfer in (a). (e) the rate of exergy destruction.
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