Pipes - Bare Surface Heat Loss
Heat loss vs. surface temperature.
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.
Related Topics
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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
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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.
