) For a problem as in Exercise (7), determine the heat losses to the surroundings. However, you know that the pipeline is made of steel tube with a wall thickness of 2,5 mm, and the heat transfer coefficient to the environment is 12 W/(m²-K), when the ambient air temperature is 25°C.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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Kindly answer Q8 it is linked to Q7

(7) Oil with an average temperature of 80°C at an average flow velocity of 0,5 m/s, is
flowing by pipeline with an inner diameter of 35 mm and a length of 15 m. Determine
the heat transfer coefficient of the oil to the pipe wall, assuming that the average
temperature of the pipe wall is 60°C.
Oil properties are known, at 80°c: p=840 kg/m³, c,=1,926 kJ/(kg-K), n=0,233 Pa-s,
1=0,179 W/(m-K).
(8) For a problem as in Exercise (7), determine the heat losses to the surroundings.
However, you know that the pipeline is made of steel tube with a wall thickness
of 2,5 mm, and the heat transfer coefficient to the environment is 12 W/(m2-K), when
the ambient air temperature is 25°C.
Transcribed Image Text:(7) Oil with an average temperature of 80°C at an average flow velocity of 0,5 m/s, is flowing by pipeline with an inner diameter of 35 mm and a length of 15 m. Determine the heat transfer coefficient of the oil to the pipe wall, assuming that the average temperature of the pipe wall is 60°C. Oil properties are known, at 80°c: p=840 kg/m³, c,=1,926 kJ/(kg-K), n=0,233 Pa-s, 1=0,179 W/(m-K). (8) For a problem as in Exercise (7), determine the heat losses to the surroundings. However, you know that the pipeline is made of steel tube with a wall thickness of 2,5 mm, and the heat transfer coefficient to the environment is 12 W/(m2-K), when the ambient air temperature is 25°C.
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