IHTC Digital Library
Measurement of fluid temperature with an arrangement of three thermocouples
|Home||Archives||Officers||Future meetings||Assembly for International Heat Transfer Conferences|
FLOW BOILING OF A HIGHLY VISCOUS POLYMER SOLUTION
Flow boiling experiments with mixtures of poly dimethyl siloxanes and n-pentane are carried out in a vertical annular channel. The mixtures are fed to the test section with a subcooling of 30 − 65 K. The flow condition at the inlet can be characterized as creeping flow with Re-numbers as small as 0.01. Strong radial temperature gradients prevail throughout the entire evaporation process, indicating a laminar flow character even under boiling conditions.