Abstract
AbstractAn analytical and experimental investigation was made of the frequency response of both the shell and tube fluid outlet temperatures of a six foot concentric tube exchanger to disturbances in either flow rate. The fluid Reynolds and Prandtl numbers were varied from 4,000 to 20,000 and 3 to 40 respectively.The effect of increasing either the tube fluid Reynolds or Prandtl number, for both shell and tube flow disturbances, was to increase the attenuation and phase shift of the tube outlet temperature and decrease it for the shell outlet temperature.The “resonance effect”, was observed experimentally.
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