Project Description
- Product Name: Elliptical Finned Tube For Heat Exchangers | Oval Fin Tube
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Elliptical Finned Tube For Heat Exchangers
Elliptical finned tubes are made using an elliptical seamless base tube, wrapped with aluminum or copper fin strips. These fins are tightly spiraled around the tube under tension, ensuring a secure fit.
There are various types of elliptical finned tubes, such as oval-rectangular, oval-oval, and oval-circular designs. These tubes are popular due to their superior heat exchange performance compared to traditional round-finned tubes. As a result, they are widely used in industries like ethylene production and oil refining, where efficient heat transfer is essential.
Common ones are Elliptical rectangular finned tubes.Because Elliptical Finned Tube has superior performance than round finned tube, Elliptical Finned Tube is receiving attention, and Elliptical Finned Tube has been widely used in ethylene, oil refining and other industrial fields. Elliptical Finned Tube is used in heat exchange equipment as a high-efficiency heat exchange element. The flow resistance outside the tube is small and the heat exchange efficiency is high, which makes the heat exchange equipment tend to be compact, lightweight, efficient and miniaturized.
Elliptical finned tubes excel in heat exchange equipment because they reduce flow resistance outside the tube and offer higher efficiency. This results in more compact, lightweight, and efficient heat exchangers. Although they’ve already been extensively researched, there is still ongoing work to further improve their performance.
Elliptical finned tubes are widely utilized in heat exchanger systems for enhanced thermal efficiency.The detailed specifications are summarized in the following table:
Typical Elliptical fin Tube Size
| Base Tube O.D (mm) | Base Tube Thickness (mm) | Fin Height (mm) | Fin Thickness (mm) | Fin Pitch (mm) |
| 36 x 14 | 1.5-3.0 | 55 x 26 | 0.25 | 2.31,2.54,2.82,3.18 |
| Base Tube Material | Fin Material | Tube Length (Mtr) | ||
| Carbon Steel ,Alloy Steel ,Stainless Steel | Carbon Steel ,Alloy Steel ,Stainless Steel | ≤ 12 Mtrs | ||
Features of Finned Tubes Elliptical
| Feature | Description |
| Compact Design | Elliptical finned tubes allow for a tighter arrangement compared to round tubes, reducing the size and footprint of the entire heat exchanger. |
| Low Air Resistance | The elliptical shape minimizes air-side resistance, improving the heat transfer between fluids, while the low thermal resistance inside the tube enhances fluid heat transfer. |
| Larger Heat Transfer Area | For the same cross-sectional area, elliptical tubes provide a longer perimeter, increasing the heat transfer surface area compared to round tubes. |
| Durability | These tubes often use rectangular steel fins, which offer high strength and a longer service life, preventing frost damage during colder months . |
| Optimized Flow | The compact arrangement of elliptical tubes increases the impact of the front row on the rear row, allowing wider fin spacing for the back rows to reduce flow resistance. However, the number of rows should not be excessive. |
Advantages of Elliptical Finned Tube
| Feature | Description |
| Compact Layout | The oval shape allows for a smaller, space-saving design of the heat exchanger. |
| Low Air Side Resistance | The oval fins reduce air resistance, improving heat transfer efficiency and lowering energy use. |
| Increased Heat Transfer Area | Oval tubes have more surface area than round ones, boosting heat exchange performance. |
| Durability | Rectangular steel fins add strength and resist winter cracking and freezing. |
| Efficient Arrangement | Compact placement of oval fins reduces flow resistance and enhances the efficiency of the heat exchanger. |
