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Pressure drops over cooling pipes

Pressure drops over cooling pipes. Richard French, Richard Bates, Alex Bitadze. Aim. Measure pressure drops over different cooling pipes IDs Measure as a function of Power on modules Temperature of CO2 Study temperature drops over the cooling pipe at points along the pipe

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Pressure drops over cooling pipes

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  1. Pressure drops over cooling pipes Richard French, Richard Bates, Alex Bitadze

  2. Aim • Measure pressure drops over different cooling pipes IDs • Measure as a function of • Power on modules • Temperature of CO2 • Study temperature drops over the cooling pipe at points along the pipe • Measure temperature at points of power input and no input • Allows for a measure of HTC

  3. How to put the heat in • Use the electrical conductivity of the pipe as a heater • Used for already by others for thin walled pipes • Requires quite a lot of current – have power supplies at CERN that are fine • Use brazed copper connectors to the pipe • Allows for heat to be applied along sections with low electrical resistivity

  4. Status • First electrical connectors prototyping done at Sheffield • Need to check as heating elements in Glasgow at end of July • Alex is ready to set up DAQ system based on SCT cooling system tests • Will need to book use of CERN CO2 rig • Only do this when we have the mechanics ready • Alex to stay on at CERN for the next year (Associated to Glasgow) to perform tests

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