Prix FOB
Obtenir le dernier prix1 ~ 20 / Piece ( Negotiable )
|1 Piece Minimum Order
Pays:
China
N ° de modèle:
DT008
Prix FOB:
1 ~ 20 / Piece ( Negotiable ) Obtenir le dernier prix
Localité:
CHINA
Prix de commande minimale:
1 per Piece
Commande minimale:
1 Piece
Packaging Detail:
WOODEN CASE, WOODEN PALLET
Heure de livraison:
5-15 DAYS
Capacité de Fournir:
100 Ton per Week
Payment Type:
PayPal, Money Gram, Western Union, D/P, D/A, L/C, T/T
Groupe de produits :
Personne àcontacter Ms. Amy
Huanghe, Cangzhou, Hebei
Transferring heat from a hot fluid into a colder fluid through a tube wall is the reason many of us use finned tubes.
ÂBut you may ask, what is the major advantage of using a finned tube? Why cant you just use a regular tube to make this transfer? Well you can but the rate will be much slower.
ÂBy not using a finned tube the outside surface area is not significantly greater than the inside surface area. Because of that, the fluid with the lowest heat transfer coefficient will dictate the overall heat transfer rate. When the heat transfer coefficient of the fluid inside the tube is several times larger than that of the fluid outside the tube the overall heat transfer rate can be greatly improved by increasing the outside surface area of the tube.
ÂFinned tubes increase outside the surface area. By having a finned tube in place, it increases the overall heat transfer rate. This then decreases the total number of tubes required for a given application which then also reduces overall equipment size and can in the long-run decrease the cost of the project. In many application cases, one finned tube replaces six or more bare tubes at less than 1/3 the cost and 1/4 the volume.
ÂFor applications that involve the transfer of heat from a hot fluid to a colder fluid through a tube wall, fin tubes are used. Usually, for an air heat exchanger, where one of the fluids is air or some other gas, the air side heat transfer coefficient will be much lower, so additional heat transfer surface area or a fin tube exchanger is very useful. The overall pattern flow of a finned tube exchanger is often crossflow, however, it can also be parallel flow or counterflow.
ÂFins are used to increase the effective surface area of heat exchanger tubing. Furthermore, finned tubes are used when the heat transfer coefficient on the outside of the tubes is appreciably lower than that on the inside. In other words, heat transferred from liquid to gas, vapor to gas, such as steam to air heat exchanger, and thermic fluid to air heat exchanger.
ÂThe rate at which such heat transfer can occur depends on three factors [1] the temperature difference between the two fluids; [2] the heat transfer coefficient between each of the fluids and the tube wall; and [3] the surface area to which each fluid is exposed.
 Finned tubes are used because they help  Increase Heat Transfer Rate ÂA finned tube exchanger typically has tubes with fins attached to the outside. Usually, there will be some liquid flowing through the inside of the tubes and air or some other gas flowing outside the tubes, where the additional heat transfer surface area due to the finned tube increases the heat transfer rate. In a crossflow fin tube exchanger, the fins will typically be radial fins and theyll either be circular or square in shape.
 Improve Heat Transfer Coefficient ÂBy not using a finned tube, the outside surface area is not significantly greater than the inside surface area. Because of this, the fluid with the lowest heat transfer coefficient will dictate the overall heat transfer rate. When the heat transfer coefficient of the fluid inside the tube is several times larger than that of the fluid outside the tube, the overall heat transfer rate can be greatly improved by increasing the outside surface area of the tube.
 Increase Outside Surface Area ÂBy having a finned tube in place, it increases the overall heat transfer rate. Finned tubes increase the outside surface area. This decreases the total number of tubes required for a given application which then also reduces overall equipment size and can in the long-run decrease the cost of the project.
Â
Finned tube heat exchangers are used in a variety of applications,
and more so as industrial heat exchangers. An air heat exchanger
like the evaporator coil in an air conditioning unit is typically a
fin tube exchanger. Another common fin tube air heat exchanger is
the car radiator. The purpose of the car radiator is to cool the
hot water in the tubes with the air passing through the crossflow.
On the contrary, the air conditioner evaporator coil has the
purpose of cooling the air passing through it. The finned tubes
that are manufactured at Kainon Boilers, use high grade carbon
steel, stainless steel, copper, brass, and aluminum. Our finned
tube exchangers are designed to meet the specific duty condition,
temperature and pressure of the fluids.
Â
| Pays: | China |
| N ° de modèle: | DT008 |
| Prix FOB: | 1 ~ 20 / Piece ( Negotiable ) Obtenir le dernier prix |
| Localité: | CHINA |
| Prix de commande minimale: | 1 per Piece |
| Commande minimale: | 1 Piece |
| Packaging Detail: | WOODEN CASE, WOODEN PALLET |
| Heure de livraison: | 5-15 DAYS |
| Capacité de Fournir: | 100 Ton per Week |
| Payment Type: | PayPal, Money Gram, Western Union, D/P, D/A, L/C, T/T |
| Groupe de produits : | laser welding finned tube |
