A steel pipe (k=43 W/m.K) has inner and outer diameters are 5 cm and 6 cm, respectively. The pipe is covered with high temperature insulation material. Thermal conductivity and thickness of the insulation are 0.11 W/m.K and 0.012 m, respectively. Steam at 115,82°C flows in the pipe. The unit thermal resistance at the inner wall is 0.0026 m2.K/W. The heat transfer coefficient at the outer surface is 17 W/m2.K. The ambient temperature is 55,54°C. Estimate the rate of heat loss per unit length (W/m).

A steel pipe (k=43 W/m.K) has inner and outer diameters are 5 cm and 6 cm, respectively. The pipe is covered with high temperature insulation material. Thermal conductivity and thickness of the insulation are 0.11 W/m.K and 0.012 m, respectively. Steam at 115,82°C flows in the pipe. The unit thermal resistance at the inner wall is 0.0026 m2.K/W. The heat transfer coefficient at the outer surface is 17 W/m2.K. The ambient temperature is 55,54°C. Estimate the rate of heat loss per unit length (W/m).

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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Concept explainers

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.

Question

Soru 1
A steel pipe (k=43 W/m.K) has inner and outer diameters are 5 cm and 6 cm,
Henüz
respectively. The pipe is covered with high temperature insulation material. Thermal
cevaplanmadı
conductivity and thickness of the insulation are 0.11 W/m.K and 0.012 m, respectively.
Steam at 115,82°C flows in the pipe. The unit thermal resistance at the inner wall is
0.0026 m2.K/W. The heat transfer coefficient at the outer surface is 17 W/m2.K. The
35,00 üzerinden
işaretlenmiş
P Soruyu
işaretle
ambient temperature is 55,54°C. Estimate the rate of heat loss per unit length (W/m).
Yanıt:

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