Corrected a minor issue with the Billet and Schultes method affecting load limits (6465).Corrected an issue with calculation of cricondentherm and cricondenbar values for immiscible water/hydrocarbon systems (6464).Revised the tube-side pressure drop equation used in CC-THERM for SMXL Koch-Glitsch turbulator (6456).Corrected the list of Expander UnitOp variables accessible for use with the Data Map, Sensitivity Study, and Optimization features (6371).Corrected an issue with input checking for the Compressor and Expander UnitOps (6369).Corrected an issue with pipe orifice handling of choked flow in node networks (6359).Corrected an issue with the pressure calculation for VLLE in dynamic vessels under certain conditions (6334).Corrected an issue that could cause the flowsheet canvas size to change when a simulation file was re-opened (6007).Corrected an issue where vapor Z factor was not reported correctly in Excel for local thermodynamics (5956, 6466).
Corrected an issue with specification of Overall U in the Heat Transfer tab of the PIPE UnitOp specification dialog (3090).Corrected the calculation of partial liquid level for hemispherical heads on dynamic vessels (6508).Corrected calculation issues with relief device hemispherical heads (6458).Corrected an issue with the display of values in the SCDS Mass Transfer dialog (5346).Updated the COM interface to make the SAFT and VTPR parameters accessible with the GetData/PutData functions (5780).Changed the name of the “Regular VLE mode” column simulation option to “Equilibrium model” (6511).Upgraded to version 7.6.9 of Sentinel Protection Installer (6384).Improved calculation speed for some dynamic flow networks (6375).Added the capability for a feed-forward controller to run as a scheduling UnitOp, similar to a RAMP (6344).Added F-Factor calculation to column sizing and tray property reports (6028).Added the capability to generate the formula for a newly added component from its subgroup information (6004).Improved performance curve interpolation for the Compressor and Expander UnitOps (6350, 6376).Added a help topic for packed column mass transfer (4256).Added a Boolean comparison function for feed-forward controllers (6415).Updated the Hydrocarbon Correlation dialog to show three methods for the ASTM D86-TBP Interconversion Methods section: Chemstations, API 3A1.1 (1982), and API 3A1.1 (1994) (4377/6537).Added the option to plot partial pressures to the TPXY Plot feature (6067).Added a fully customizable Title Block feature, which improves on the Job Box tool from CHEMCAD 6 by placing a formatted "revision box" with editable text prompts on the flowsheet (5874).Improved the user interface for the Billet & Schultes method for packed column mass transfer (2019, 2721, 2893).Created a new Orifice UnitOp, which is distinct from the Pipe UnitOp (6562).