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SCORPION-xisa [38]
4 years ago
6

1. Saturated steam at 4 bars absolute pressure with a mean velocity of 3 m/s flows through a horizontal SS304 stainless-steel pi

pe whose inner and outer diameters are 55 and 65 mm, respectively. The heat transfer coefficient for the steam flow is known to be 11,000 W/m2 -K. (a) If the pipe is covered with a 25-mm-thick layer of 85% magnesia insulation and is exposed to atmospheric air at 25°C in cross-flow with U[infinity]=15 m/s, determine the rate of heat transfer by forced convection to the room per unit length of the pipe. (b) If the steam is saturated at the inlet of the pipe, estimate its quality at the outlet of a pipe 30m long. (c) Determine the temperature of the outer surface of the insulation. Is it safe to touch?

Engineering
1 answer:
saveliy_v [14]4 years ago
5 0

Answer:

(a) Rate of heat transfer = 34.65 W/m

(b) quality of outlet of pipe  x = 0.967

(c) Temperature of outer surface of insulation, T₂ = U1.157°C

Yes it is safe to touch, (But gentle touch)

Explanation:

Detailed explanation is given in the attach document.

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Answer:

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can you translate this me gusta el queso :sorry i would have put 300 points buut i used them all for my last question
Irina-Kira [14]
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