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Design a tubular feed-water heater which need to heat the 1.5 kg/s of water from 20°C to 60°C. Constraints: a) Heating of water need to be done by saturated steam which is condensing at 1 MPa & heat transfer coefficients (on steam side) is 6500 W/m2K b) Max. Velocity of water 1.0 m/s c) Three different copper tube inner diameters 2.0 cm, 2.5 cm and 3.0 cm. d) Thickness of copper tubes 10% of the inner diameter.

Design a tubular feed-water heater which need to heat the 1.5 kg/s of water from 20°C to 60°C. Constraints: a) Heating of water need to be done by saturated steam which is condensing at 1 MPa & heat transfer coefficients (on steam side) is 6500 W/m2K b) Max. Velocity of water 1.0 m/s c) Three different copper tube inner diameters 2.0 cm, 2.5 cm and 3.0 cm. d) Thickness of copper tubes 10% of the inner diameter.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Design a tubular feed-water heater which need to heat the 1.5 kg/s of water from
20°C to 60°C.
Constraints:
a) Heating of water need to be done by saturated steam which is condensing at
1 MPa & heat transfer coefficients (on steam side) is 6500 W/m2K
b) Max. Velocity of water 1.0 m/s
c) Three different copper tube inner diameters 2.0 cm, 2.5 cm and 3.0 cm.
d) Thickness of copper tubes 10% of the inner diameter.

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