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Pipes - Bare Surface Heat Loss

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The diagrams below indicates heat loss from uninsulated pipes with bare surfaces at still-air conditions and air temperature 70 oF (21 oC). The emissivity coefficient of the surface is 0.95.

 

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Related Topics

Heat Loss and Insulation

Heat loss from pipes, tubes and tanks - with and without insulation. Use of materials lke foam, fiberglass, rockwool and more.

Insulation

Calculate heat transfer and heat loss from buildings and technical applications. Heat transfer coefficients and insulation methods available for reduction of energy consumption.

Insulation and Heat Loss from Steam and Condesate Pipe Lines

Heat loss from uninsulated and insulated steam and condensate pipes and tanks. Calculate insulation thicknesses.

Related Documents

Building Materials - Radiation Constants

The radiation constant is the product between the Stefan-Boltzmann constant and the emissivity constant for a material.

Copper Tubes - Heat Losses

Heat loss from uninsulated copper tubes vs. temperature differences between tube and air.

Oil Filled Tanks - Heat Loss

Heat loss from insulated and uninsulated, sheltered and exposed heated oil tanks.

Pipes and Cylinders - Conductive Heat Losses

Conductive heat losses through cylinder or pipe walls.

Pipes Submerged in Oil or Fat - Heat Emission

Heat emission from steam or water heating pipes submerged in oil or fat - forced and natural circulation.

Pipes Submerged in Water - Heat Emission

Heat emision from steam or water heating pipes submerged in water - assisted (forced) or natural circulation.

Radiation - Surfaces Emissivity Coefficients

Radiation emissivity of common materials like water, ice, snow, grass and more.

Radiation Heat Transfer

Heat transfer due to emission of electromagnetic waves is known as thermal radiation.

Steam Pipes - Heat Losses

The amount of condensate generated in a steam pipe depends on the heat loss from the pipe to the surroundings.

Steam Pipes - Heat Losses (W/m)

Heat losses from un-insulated steam pipes.

Steam Tracing Pipe Lines

Steam tracing of pipe lines can be done to maintain appropriate product temperatures.

Surface Emissivity Coefficients

The radiation heat transfer emissivity coefficients for some common materials like aluminum, brass, glass and many more.

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