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Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while the tube surface temperature is maintained at 100°C. For a 100‐m long tube,
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Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while the tube surface temperature is maintained at 100°C. For a 100‐m long tube, solve for a) the log mean temperature difference (Approx. 64.5 deg C), and b) the rate of heat addition into the oil.

User Kartik Shandilya
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3 votes

Answer:

a) the log mean temperature difference (Approx. 64.5 deg C)

b) the rate of heat addition into the oil.

The above have been solved for in the below workings

Step-by-step explanation:

Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters-example-1
Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters-example-2
Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters-example-3
User Natan Williams
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Engine oil flows through a 25‐mm‐diameter tube at a rate of 0.5 kg/s. The oil enters the tube at a temperature of 25°C, while the tube surface temperature is maintained at 100°C. For a 100‐m long tube,
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