The method of attaching the fins over-tube is of prime importance, since even a slightest air gap between the tube and fins will defeat the whole purpose of fins over the tube.
Finned tubes are able to even out the heat transfer between the inside of the tube and the outside. When the heat transfer coefficient on the outside of the tube is significantly lower than the heat transfer coefficient on the inside of the tube, there is a major advantage to incorporate fins on the outside tube surface to take full advantage of the high heat transfer rate on the inside of the tube.
By using a finned tube with eight times as much surface on the outside of the tube, the total length of the tube required for heating the viscous oil can be reduced by one sixth, Fins are basically external surface on tube for increasing the surface area of the bare tube, resulting in a compact heat exchanger.
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Finned Tube Heat Exchanger
Approx. Price: Rs 75,000 / UnitGet Latest Price
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