1. Steam at 235 °C is flowing inside a steel pipe (k = 61 W/m-°C) whose inner and outer diameters are 10 cm and 12 cm, respectively, in an environment at 20°C. The heat transfer coefficients inside and outside the pipe are 105 W/m²-°C and 14 W/m2-°C, respectively. Determine:(a) the thickness of insulation (k = 0.038 W/m-°C) needed to reduce the heat loss by 95 per cent and,(b) the thickness of the insulation needed to reduce the exposed surface temperature of insulated pipe to 40°C for safety reasons. 1. Steam at 235 °C is flowing inside a steel pipe (k = 61 W/m-°C) whoseinner and outer diameters are 10 cm and 12 cm, respectively, in anenvironment at 20°C. The heat transfer coefficients inside and outside thepipe are 105 W/m2-°C and 14 W/m2-°C, respectively. Determine:(a) the thickness of insulation (k = 0.038 W/m-°C) needed to reduce theheat loss by 95 per cent and,(b) the thickness of the insulation needed to reduce the exposed surfacetemperature of insulated pipe to 40°C for safety reasons.

Answered: Image /qna-images/answer/ad710653-2323-47ea-b508-c5a1f5a00be0.jpg

Answered: 1. Steam at 235 °C is flowing inside a…

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

See similar textbooks

Related questions

Concept explainers

Question

1. Steam at 235 °C is flowing inside a steel pipe (k = 61 W/m-°C) whose inner and outer diameters are 10 cm and 12 cm, respectively, in an environment at 20°C. The heat transfer coefficients inside and outside the pipe are 105 W/m²-°C and 14 W/m2-°C, respectively. Determine: (a) the thickness of insulation (k = 0.038 W/m-°C) needed to reduce the heat loss by 95 per cent and, (b) the thickness of the insulation needed to reduce the exposed surface temperature of insulated pipe to 40°C for safety reasons.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions