CS-23 Rate-controlled Shellside Multicomponent Condensation in Vacuum Conditions
September 02, 2022HTRI investigated the accuracy of equilibrium multicomponent condensation models applied on the shell side of a bundle with 19.05-mm OD plain tubes. Tests were conducted in the Low Pressure Condensation Unit (LPCU) over a range of vacuum pressures (7 – 81 kPa) and fluid inlet flow rates [5 (10-3) – 7...
CS-22 Enhanced Methods in Xist 8 for Gravity-controlled Shellside Condensation
June 22, 2020This report documents the revised methods in Xist 8 for predicting the gravity-controlled condensate heat transfer coefficient on horizontal tube bundles. Reformulation of the relevant equations using the local condensate Reynolds number on an element of the tube bundle facilitates exploitation of the Xist 3D incremental structure more effectively than was...
CS-21 Xist Thermal Predictions of Horizontal Shellside Condensation with Subcooling
October 10, 2018HTRI collected data in a horizontal E-shell exchanger with vertical-cut baffles, obtaining varying degrees of subcooling at the exchanger outlet for water, n-pentane, p-xylene, and a binary mixture of n-pentane/p-xylene. Liquid level measurements along the length of the exchanger confirmed the presence of shellside flooding. Xist predicted the heat transfer area...