A 5-cm-external-diameter, 10-m-long hot-water pipe at 80°C is losing heat to the surrounding air at 5°C by natural convection with a heat transfer coefficient of 25W/m2K. Determine the rate of heat loss from the pipe by natural convection.

A 5-cm-external-diameter, 10-m-long hot-water pipe at 80°C is losing heat to the surrounding air at 5°C by natural convection with a heat transfer coefficient of 25W/m2K. Determine the rate of heat loss from the pipe by natural convection.

Related questions

Q: For the outside walls of a home, two layers are often combined, such as a layer of wood and a layer…

A: Given,

Q: Estimate the rate of heat transfer through the Styrofoam insulation in the walls of a kitchen…

A: Given the area of the wall A=4.0m2 inside temperature T1=4.0oC outside temperature T2=25.0oC…

Q: A 3-m-internal-diameter spherical tank made of 1-cm-thick stainless steel (k = 15 W/m. K) is used to…

A: Outer surface area of the tank is,

Q: Calculate the rate of steady heat transfer from a 8 m-by-10 m roof of a building during a cold…

Q: a) A house walls that are 16 cm thick and have an average thermal conductivity three times that of…

Q: A 2.4-cm-thick wood floor covers a 4.0m×5.5m room. The subfloor on which the flooring sits is at a…

A: The expression for the rate of heat conduction through the floor is,

Q: As a coffee enthusiast, you wish to keep your coffee as hot as possible for as long as possible. You…

A: thickness of wall =1.34cm Thermal conductivity of mug is = 0.943 W/m-C emissivity= 0.73 Boltzmann's…

Q: A 20.0 kg rectangular block of material has a surface area of 2.20 m² fand thickness of 30.0 cm. The…

A: The new volume of an object that has expanded due to a temperature rise is given by V = Vo1+β∆T,…

Q: A2.1-m-long, 0.2-cm-diameter electrical wire extends across a room that is maintained at 20°C. Heat…

A: When an electric current is passed through a conductor due to the resistance heat is generated. The…

Q: A window is 3.01 meters tall and 1.49 meters wide. What is the rate of heat lost if the window is…

A: Given Data:- Height of the window h=3.09 m width of the window is w=1.49 m Thickness of the window…

Q: A thin straight rod made of an unknown metal has an length of exactly 30.00 cm at 15°C When heated…

Q: During heavy exercise, the body pumps 2.00 L of blood per minute to the surface, where it is cooled…

Q: Two different materials (A and B) are being considered as insulation for a winter coat. Material A…

A: Heat conduction.

Q: Assume that geothermal heat transfer (at least near the surface of the earth) is by conduction…

A: Given:Average geothermal heat flow,P/A= 0.087 W/m2Thermal gradient ,∆TL=100 °C/kmFind the thermal…

Question

100%

A 5-cm-external-diameter, 10-m-long hot-water pipe at 80°C is losing heat to the surrounding air at 5°C by
natural convection with a heat transfer coefficient of 25W/m2K. Determine the rate of heat loss from the
pipe by natural convection.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Concept and Principle:

VIEW

Calculation: Area

VIEW

Calculation: Heat Loss By Convection

VIEW

Answer:

VIEW

Step by step

Solved in 4 steps

SEE SOLUTION Check out a sample Q&A here

Similar questions

Consider a 3-m-high, 6-m-wide, and 0.3-m-thick brick wall whose thermal conductivity is k = 0.8 W/m K. On a certain day, the temperatures of the inner and the outer surfaces of the wall are measured to be 14°C and 2°C, respectively. Determine the rate of heat loss through the wall on that day.
A 12-cm x 18-cm circuit board houses on its surface 100 closely spaced logic chips, each dissipating 0.06 W in an environment at 40°C. The heat transfer from the back surface of the board is negligible. If the heat transfer coefficient on the surface of the board is 10 W/m2.K, determine (a) the heat flux on the surface of the circuit board, in W/m2;