/community-hubs/measurement-instrumentation/b/temperature-weblog/posts/reducing-thermowell-dynamic-stress-forces-1812723171Thermowells are traditionally a circular cylinder installed into the piping to protect the temperature sensors from the flow. From an Emerson whitepaper, Thermowell Calculations : As a process fluid passes around the thermowell, low pressure vorticesen-USTelligent Community 13