Heat Loss and Insulation

Steam and condensate pipes - heat loss uninsulated and insulated pipes, insulation thickness and more

Classification of Steam Heating Systems

Steam systems carries heat through pipes from the boiler to consumers as heat exchangers, process equipment etc.

Condensate Generation in Cold Steam Pipes, Sizing Traps - Imperial Units

When cold steam pipes are heated up they generate huge amounts of condensate that must be drained away from the pipe through the steam traps

Condensate Load Generated in Insulated Steam Pipes (kg/h per 100m)

The heat loss from steam pipes generates condensate which must be drained from the system - A table indicating the amount of condensate generated in insulated steam pipes

Convective Heat Transfer

Heat transfer between a solid and a moving fluid is called convection. This is a short tutorial about convective heat transfer

Generation of Condensate in Cold Steam Pipes - SI Units

When cold steam pipes are heated up huge amounts of condensate is generated and must be drained from the pipe

Heat Emission from Pipes Submerged in Oil or Fat

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

Heat Emission from Pipes Submerged in Water

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

Heat Loss Diagrams of Insulated Pipes

Heat loss (W/m) diagrams for insulated pipesĀ - ranging 1/2 - 6 inches - insulation thickness 10 - 80 mm - temperature differences 20 - 180 deg C

Heat Loss Diagrams of Insulated Pipes

Heat loss (W/ft) diagrams for insulated pipesĀ - ranging 1/2 - 6 inches - insulation thickness 0.5 - 4 inches - temperature difference 50 - 350 deg F

Heat Loss from Oil Filled Tanks

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

Heat Loss from Steam Pipes (W/m)

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

Heat Loss from Steam Pipes (btu/h per ft)

Amount of condensate generated in steam pipes depends on the heat loss from the pipe to the surroundings

Heat Losses from Pipe Bare Surfaces

Heat losses from bare surfaces - surface temperatures in deg F and deg C

Insulated Steam Pipes - Condensate Load Generated

The heat loss from steam pipes will generate condensate which must be drained from the system - a table indicating the condensate generated in insulated steam pipes (lb/h per 100 ft)

Insulation Materials and Temperature Ranges

Temperature limits of some common insulation materials

Overall Heat Transfer Coefficient

Calculate overall heat transfer coefficient - walls or heat exchangers

Overall Heat Transfer Coefficients for some common Fluids and Heat Exchanger Surfaces

Average overall heat transmission coefficients for some common fluids and surface combinations as Water to Air, Water to Water, Air to Air, Steam to Water and more

Perlite Insulation

Thermal conductivity - temperature and k-values

Polyurethane Insulation

Thermal conductivity - temperature and k-values

Radiation Emissivity of some common Materials

Radiation emissivity of some common materials - Water, Ice, Snow, Grass ..

Radiation Heat Emissivity for Aluminum

Radiation heat emissivity of unoxidized, oxidized and polished aluminum

Radiation Heat Transfer

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

Steam Heating Processes - Load Calculating

Calculating the amount of steam in non-flow batch and continuous flow heating processes

Steam Tracing of Pipe Lines

To maintain appropriate product temperature in process lines it may often be convenient to use a steam tracing system. This is a table that can be used to estimate the appropriate number of steam tracers

Yearly Heat Loss from Steam Pipes

Yearly heat loss from steam pipes can be considerable. This table compare the yearly heat loss in the amount of coal and oil consumption for insulated and uninsulated steam pipe lines at different dimensions and operation time.

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