Why Does Oil & Gas Companies Use Finned Tubes?

by Dinesh

Posted on June 17, 2017 at 3:00 PM


In general, most applications in gas and oil companies also involve the transfer of heat from the hot fluid to the cold fluid which needs proper medium; in those situations, Finned Tubes are used to transfer heat. Of course, it is considered as the great heat exchanger, where one fluid is air or gas. The air side heat transfer coefficient always lower that needs additional heat transfer surface area or it needs a finned tube exchanger for the continuous process. Normally, the flow of a finned tube exchanger is also cross flow, at the same time it is also similar to the flow or counter flow.

Most importantly, fins are highly used to ensure the surface area of heat exchanger tubing. As well as it can be highly used when the heat transfer coefficient which means the outside of the tubes is lower than inside. Especially Finned Tubes highly considered to complete the transferred from vapour to gas, liquid to gas etc, even it can also act as the thermal fluid to air and steam to air heat exchanger. Normally, the heat transfer can occur based on three important factors that include:

  • 1. Temperature difference between any two fluids
  • 2. The surface area to which fluid is exposed
  • 3. The heat transfer coefficient between the tube wall as well as fluids

Applications of Finned Tubes:

  • Chemical industry
  • Coils for hybrid cooling towers
  • Printing machines
  • Solvent recovery
  • Wood industry
  • Production of surface coatings
  • Plastic molding industry
  • Cooling of turbine air intakes
  • Food industry
  • Textile production
  • Paper works
  • Tanneries
  • Anti-freeze coils for process air
  • Greenhouses and breeding

Widely, finned tubes are highly used by the following benefits.

Increase Heat Transfer Rate:

In general finned tube, exchanger comes with tubes that also attached to the outside. In most conditions fluids needs additional heat transfer surface area due to the increasing heat transfer rate in that situation cross flow fin tube exchanger plays an important role.

Greater Outside Surface Area:

Finned tube increases heat transfer rate by increasing the outside surface area so it can be useful in fluid and gas transfer as well as it is the best option to reduce the number of tubes required for a given application. In addition to this, it will reduce the overall equipment size in the long run so it can be highly beneficial.

Improve Heat Transfer Coefficient:

Finned tube help to increase the outside surface area which is greater than the inside surface area. Normally, fluid with the lowest heat transfer coefficient also dictates the complete heat transfer rate. With this, the overall heat transfer rate will be increased due to the greater outside surface area of the tube. Unlike any other options finned tube used for the complicated heat transfer applications, even finned tube also reduces workload and money wastage.

Finned tube heat exchangers play important role in many applications. Particularly, the finned tubes are highly used in industrial heat exchangers.

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