Technical Papers

Intermediate Conversion Kinetics in Ticalcium Aluminate Formation (AIChE Journal, Sept. 2007) Chinmay Ghoroi & A. K. Suresh, Invensys

Trends in Refining; Accelerating Knowledge Transfer (June 2007) Bernard Lescure, Invensys

Predicting VLE from Liquid Densities (May 2007) Sabyasachi Sen, Invensys

Multiobjective Optimization of Pressure Swing Adsorbers for Air Separation (American Chemical Society, April 2007) B. Sankararao & Santosh K. Gupta, Invensys

Solid–Solid Reaction Kinetics: Formation of Tricalcium Aluminate (AIChE Journal, Feb. 2007) Chinmay Ghoroi & A. K. Suresh, Invensys

Adaptive Dynamic Matrix Control on a Fluidized Catalytic Cracking Unit (2006) Michael Barham, Jack Watts, Mark Bailey, Tom Carroll, and Lysette Garcia of ConocoPhillips - and Charles Cutler, Matthew Hetzel, John Szuhay, Scott Boyden, and James Bonura of Cutler Technology

A System for Thermophysical Data Analysis and Optimization (2006) David Van Peursem and Francisco Braña-Mulero, Invensys

DCS Upgrades for Nuclear Power Plants: Saving Money and Reducing Risk through Virtual-Stimulation Control System Checkout Gregory McKim, Invensys; Mike Yeagerand Clint Weirich, FENOC Perry

Reliable Phase Stability Analysis for Asymmetric Models (June 2005) Gang Xu of Invensys; William D. Haynes and Mark A. Stadtherr of University of Notre Dame

Simulator Project Profile: Reduce Control System Upgrade Risk through Simulator Controls Checkout (2005) Joe Ciancio, Invensys

United Taconite’s Iron Ore Pelletizing Production Performance Improvement Project (2005) Lewis M. Gordon and Robert A. Medower, Invensys

Operator Training Boosts Productivity at South African Power Plant (2004) Todd Thayer, Invensys

Phase Behavior and Reliable Computation of High-Pressure Solid-Fluid Equilibrium with Cosolvents (2003) Aaron M. Scurto, Gang Xu, Joan F. Brennecke, and Mark A. Stadtherr

Automated Rigorous Performance Monitoring (ARPM): Online Model Based Performance Monitoring (2002)

The Benefits of Using Dynamic Simulation & Training Systems for Expanding Operator Knowledge and Understanding Dr. Paul Seccombe, Invensys

How much money are you losing by not doing Online Optimization? Doug Kushnerick, Clint Kennedy

Validated Dynamic Model Confirms Crude Column Relief Design (Nov. 2001) Uwe Nagel, OMV Deutschland GmbH; and Howard Jemison, Ralph-Uwe Dietrich, and Cal Depew of Invensys

Application of a General Purpose Network Optimizer to Oil and Gas Production (1997) Kunal Dutta-Roy, Santanu Barua, and Alice Probst

Rigorous Simulation of Aqueous Electrolyte Flowsheets with Special Emphasis on Solids Processing Capabilities (Aug. 1991) John Coon, Allan Harvey, and John Tanger

A New Generalized Alpha Function for a Cubic Equation of State Part 1. Peng-Robinson Equation Chorng Twu, John Coon, and John Cunningham

A New Class of Cubic Equation of State Mixing Rules for Complex Mixtures Constrained by the van der Waals One-fluid Mixing Rules and the Second Virial Coefficient Chorng Twu and John Coon

A New Equation of State Mixing Rule for the Prediction of Phase Equilibria from Available Activity Coefficient Model Parameters Chorng Twu and John Coon

Mixing Rules Derived from Excess Free Energy Models Based on van der Waals Reference Fluid Chorng Twu, John Coon, and Dave Bluck

A Generalized Vapor Pressure Equation for Heavy Hydrocarbons Chorng Twu, John Coon, and John Cunningham

Impact of Second Virial Coefficient Constraint on Equation-of-State Mixing Rule on Phase Equilibrium Predictions Chorng Twu and John Coon

Selection of Equations of State Models for Process Simulator Chorng Twu, John Coon, Melinda Kusch, Allan Harvey

A Generalized Vapor Pressure Equation for Heavy Hydrocarbons Chorng Twu, John Coon, John Cunningham

Connection Between Zero-Pressure Mixing Rules and Infinite-Pressure Mixing Rules Chorng Twu, John Coon, Dave Bluck, Bruce Tilton, Mike Rowland

A Short Cut Method for Estimating Binary Interaction Parameters Between Pseudo-components for Use in Cubic Equations of State Chorng Twu, John Coon

A New Generalized Peng-Robinson Cubic Equation of State Chorng Twu, John Coon, John Cunningham

Zero-pressure-based Twu-Coon Mixing Rule Versus Infinite-pressure-derived Wong-Sandler Mixing Rule in the Prediction of High Temperature and High Pressure Phase Equilibria Chorng Twu, John Coon

An Internally Consistent Approach for Determining the Properties of Lumped Components Using a Cubic Equation of State Chorng Twu, John Coon

A New Generalized Alpha Function for a Cubic Equation of State Part 2. Redlich-Kwong Equation Chorng Twu, John Coon, John Cunningham

Enhancement of the Twu-Coon Method for Blending Octane Numbers Chorng Twu, John Coon

CEOS/AE Mixing Rules from Infinite Pressure to Zero Pressure and then to No Reference Pressure Chorng Twu, John Coon, Dave Bluck, Bruce Tilton

A Generalized Interaction Method for the Prediciton of Octane Numbers for Gasoline Blends Chorng Twu, John Coon

Equations of State Using an Extended Twu-Coon Mixing Rule Incorporating UNIFAC for High Temperature and High Pressure Phase Equilibrium Predictions Chorng Twu, John Coon, Dave Bluck

Fast Way to Find the Liquid Density for Cubic Equations of State Chorng Twu, John Coon

An Extension of CEOS/A Zero-Pressure Mixing Rule for an Optimum Two-parameter Cubic Equation of State Chorng Twu, Dave Bluck, Bruce Tilton

Convenient Methods for the Derivation of Binary Interaction Parameters for Cubic Equations of State Chorng Twu, John Coon

A Structural Approach to Solving Multistage Separations Dave Bluck, Joe Kovach, Vasant Shah

An Approach for the Extension of a 3-Parameter Cubic Equation of State to Heavy Hydrocarbons Chorng Twu, John Coon, John Cunningham

Aromatic Emissions from Glycol Dehydration Regenerators: Simulation and Correlation Chorng Twu, John Coon, John Cunningham

An Approach for the Application of a Cubic Equation of State to Hydrogen-Hydrocarbon Systems John Coon, Allan Harvey, Chorng Twu, John Cunningham

Multiphase Equilibrium Calculations for Systems Containing Polymers Jerzy Kosinski, Andrzej Anderko

The LIBRARY Method for Enthalpy Calcuations PES Development FAQ

The Strengths and Limitations of Equation of State Models and Mixing Rules Chorng Twu, Bruce Tilton, Dave Bluck

A Time-Series Approach to Leak/Bias Detection Brad Felix, Bruce Tilton, Don Chmielewski, Vasilios Manousiouthakis

A Zero-Pressure Cubic Equation of State Mixing Rule for Predicting High Pressure Phase Equilibria Using Infinite Dilution Activity Coefficients at Low Temperature Chorng Twu, John Coon, Dave Bluck

Simulation Software and Engineering Expertise: A Marriage of Necessity John Coon, John Cunningham, Melinda Kusch, Mike Rowland

MILANO, An Object-Oriented Algebraic Modeling System Partha Sengupta

PROII: Use of User-Defined Properties and Controllers in the Design of Crude / Vacuum Units David Nash

The study of New Interface Program for Multi-UnitsSimulation Norikazu Oda, Junichi Watanabe

A Comparison of the Peng-Robinson and Soave-Redlich-Kwong Equations of State Using a New Zero-Pressure-Based Mixing Rule for the Prediction of High Pressure and High Temperature Phase Equilibria Chorng Twu, John Coon, Dave Bluck

A New Approach to Gas-Lift Optimization James Kattapuram, Kunal Dutta-Roy

Integration of a Field Surface & Production Network with a Reservoir Simulator Gokhan Hepguler, Santanu Barua, Wade Bard

An Extension of Twu-Coon Mixing Rule from Infinite Pressure to Zero Pressure Chorng Twu, John Coon, Dave Bluck

Computer-Aided Gas Field Planning and Optimization Santanu Barua, Kunal Dutta-Roy, Adel Heiba

Crude Unit Optimization Using Rigorous On-line Models, a Case Study Jerry Platt, Paul Brice, Mike Hill

Integration of Refinery Reactors into Flowsheet Simulation Dave Bluck, Richard Yu, Lee Turpin, Robert Powell

Incorporation of Zero-pressure-based Infinite-pressure-derived Mixing Rule in Equations of State for High Temperature and High Pressure Phase Equilibrium Predictions Chorng Twu, John Coon

Production Planning with Open ECLIPSE and PIPEPHASE Kunal Dutta-Roy

A New Equation of State Mixing Rule for the Representation of Vapor-Liquid Equilibria at Low and High Pressures Chorng Twu, John Coon

The Sensitivity of the Design & Operability of the MTBE Processes with Respect to Changes in Reaction Parameters and Process Configurations Dave Bluck, Joe Kovach, Richard Yu, Vasant Shah, Raj Parikh

Estimation of Aromatic Hydrocarbon Emissions from Glycol Dehydration Units using Process Simulation John Cunningham, John Coon, Chorng Twu

Rigorous & Approximate Methods for CO2 Pipeline Analysis (1984-85) Michael Hein