Outer Diameter Of Tube In Transverse Fin Heat Exchanger Calculator

Formula Used:

\[ Outer Diameter = \frac{Bare Area}{\pi \times (Height of Crack - Number of Fins \times Thickness)} \]

Bare Area (AB):

m²

Height of Crack (hc):

Number of Fins (NF):

Thickness (t):

Outer Diameter (do):

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1. What is the Outer Diameter of Tube in Transverse Fin Heat Exchanger?

The Outer Diameter of Tube in Transverse Fin Heat Exchanger is a critical parameter that determines the size and heat transfer efficiency of the heat exchanger. It represents the diameter of the outer edge of the circular tube in a transverse fin configuration.

2. How Does the Calculator Work?

The calculator uses the formula:

\[ Outer Diameter = \frac{Bare Area}{\pi \times (Height of Crack - Number of Fins \times Thickness)} \]

Where:

\( Bare Area \) — Bare area of fin over the fin leaving fin base (m²)
\( Height of Crack \) — Size of a flaw or crack in a material (m)
\( Number of Fins \) — Total count of the fins in length L
\( Thickness \) — Distance through an object (m)
\( \pi \) — Archimedes' constant (approximately 3.1416)

Explanation: This formula calculates the outer diameter based on the geometric parameters of the finned tube arrangement in a heat exchanger.

3. Importance of Outer Diameter Calculation

Details: Accurate calculation of outer diameter is crucial for proper heat exchanger design, ensuring optimal heat transfer efficiency, pressure drop characteristics, and mechanical integrity of the system.

4. Using the Calculator

Tips: Enter all values in appropriate units (meters for length, square meters for area). Ensure that the denominator (Height of Crack - Number of Fins × Thickness) is not zero to avoid division by zero errors.

5. Frequently Asked Questions (FAQ)

Q1: What is the significance of bare area in this calculation?
A: Bare area represents the exposed surface area of the tube that is not covered by fins, which is crucial for heat transfer calculations.

Q2: How does the number of fins affect the outer diameter?
A: More fins generally require a larger outer diameter to maintain the same bare area and heat transfer characteristics.

Q3: What are typical values for these parameters in industrial applications?
A: Values vary widely depending on the application, but typical tube diameters range from 10mm to 50mm with fin thicknesses from 0.5mm to 2mm.

Q4: Are there limitations to this formula?
A: This formula assumes ideal geometric conditions and may need adjustments for complex fin configurations or non-standard materials.

Q5: How does this relate to heat transfer efficiency?
A: The outer diameter directly affects the surface area available for heat transfer, which is a key factor in the overall efficiency of the heat exchanger.