The primary danger lies in the thermowell’s natural frequency ($f_n$)—the frequency at which the thermowell naturally vibrates. If the wake frequency ($f_w$) approaches or matches the natural frequency ($f_n$), resonance occurs.
[ Re = \fracV \cdot D\nu ]
A robust verification spreadsheet requires four consecutive evaluation phases. Step 1: Calculate the Natural Frequency (
Optional: Add temperature correction using lookup tables. wake frequency calculation excel sheet
For higher accuracy, create a small lookup table and use VLOOKUP with approximate match.
If you are performing these calculations for a safety-critical application, always use a tool validated by the thermowell manufacturer rather than a generic sheet found on a forum. 3 TW calculation? Wake Frequency calculation for Temperature Thermo well
In the high-stakes environment of industrial processing, accuracy isn't just a goal—it is a mandate for safety. When it comes to installing thermowells in pressurized pipelines, one of the most critical yet often overlooked calculations is the . The primary danger lies in the thermowell’s natural
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If ( Sc < 10 ), structure is prone to vortex-induced vibration (VIV). Add warning.
Where:
If creating an Excel file (.xlsx), include these sheets:
An Excel-based wake frequency calculation is excellent for: