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Archives :: Software, Automation & Control :: Information technology :: Design, Simulation & Modeling

Displaying 101 - 120 of 122 stories.
April 1, 2007
It's a simple matter of fact: a chemical process plant operates by the products and services of numerous - and, unavoidably, competing - vendors. Since the resulting compatibility issues only hamper productivity, vendors, EPC firms and owner/operators alike tried to put their differences aside to address interoperability, at this year's DaratechPlant (Houston; January 29-31; daratech.com). Standardization...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Uniting-on-interoperability_3335.html
March 1, 2007
Until now, creating a set of "as-built" plant drawings meant either laser-scanning the outline of an entire piping system, or measuring all the components manually. By paring Leica Geosystem's in-field-to-model laser technology with Coade's CADWorx Plant Design Suite, Coade, Inc. (Houston, Tex.; edlinks.che.com/6893-534) has reduced the time required by more than 50%, says Vornel Walker, Coade's manager...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Create-as-built-drawings-in-half-the-time_3215.html
March 1, 2007
Using Interactive Supercomputing Inc.'s (Waltham, Mass; edlinks.che.com/6893-538) Star-P software, chemists from MIT (Cambridge, Mass.; edlinks.che.com/6893-539) and Oakwood College (Huntsville, Ala.) have developed a new method for performing calculating thermochemical properties derived from first principles (ab initio). Up to now, approximations and classical mechanics treatment had to be...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/A-new-way-to-calculate-thermochemical-properties_3218.html
March 1, 2007
Aspen Technology, Inc. (Cambridge, Mass., edlinks.che.com/6893-544) announced a milestone accomplishment as a result of combining the company's thermophysical and thermochemical property data sets with those maintained by the U.S. National Institute of Standards and Technology (NIST; Gaithersburg, Md.; edlinks.che.com/6893-545)...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Advances-in-process-modeling_3222.html
March 1, 2007
P&ID's are often generated using Autodesk, Inc.'s (San Rafael, Calif.; edlinks.che.com/6893-548) AutoCAD software platform and user generated drawing blocks. To better...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Plant-design-market_3224.html
February 1, 2007
    The equilibrium phase distribution ratio (K value) is necessary for designing and assessing the performance of distillation columns. This paper proposes a simplified approach to calculate the K value that is suitable for preliminary design work and for checking the performance of existing columns. The article also explains the first principles for calculation of K values from the fugacity of...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Estimating-Equilibrium-Phase-Distribution-Ratios_3129.html
February 1, 2007
For the first time, it is possible to gain a detailed quantitative insight into the internal operation of multitubular reactors — complicated units that can be notoriously difficult to design because they involve complex catalytic reactions, a large number (often 2,0000 or more) of tubes, and closely coupled, shell-side heat transfer and hydrodynamics, says Mark Matzopoulos, marketing director at...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/New-high-accuracy-modeling-techniques-for-high-performance-reactor-design_3200.html
February 1, 2007
Hyperion Systems Engineering Ltd. (Cyprus; edlinks.che.com/6892-547) has released a new interface for Yokogawa's (Newnan, Ga....
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Operator-training_3211.html
January 1, 2007
    Predicting an adiabatic-temperature rise is useful to chemical engineers for a number of purposes. One use is with combustion reactions whereby it is useful for determining the adiabatic-flame temperature. The adiabatic-temperature rise can be calculated for any reaction of interest, and thus it is often useful in the analysis and design of reactors. The adiabatic-temperature rise is also...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Adiabatic-Temperature-Rise-An-Awkward-Calculation-Made-Simple_3127.html
January 1, 2007
    It’s a very exciting time for computational chemistry, said Gerhard Engel, senior director of R&D, accelrys Ltd. (Cambridge, England) in his opening address to delegates of the European Science Forum last month in Heidelberg, Germany. This comment was echoed throughout the day by the wide range of applications benefiting from complex-computer simulations described in three...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Computational-chemistry_3316.html
December 1, 2006
    For companies in the chemical process industries, water is an indispensable utility. But the growing scarcity of quality industrial water, combined with stricter environmental regulations and the rising cost of wastewater treatment, have encouraged the conservation of water as a key utility in process plants. Concurrently, the development of systematic techniques for water reduction has made...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Assess-Your-Plants-True-Water-Savings-Potential_2810.html
December 1, 2006
DNV Software (Oslo, Norway; edlinks.che.com/6519-533) and The SimSci-Esscor unit of Invensys (Lake Forest, Calif.; edlinks.che.com/6519-534) have developed a link between the former’s Phastfx flammable-effects-software module and the latter’s...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Plant-safety-software_3047.html
November 1, 2006
        Vapor pressure is important to engineers throughout the chemical process industries (CPI). Knowledge of a compound's vapor pressure is required in the design of storage vessels containing the compound. In hazard analysis, knowledge of vapor pressure is required in the design of the relief valves to protect the system. For design of vapor-liquid operations, such as distillation...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Antoine-Coefficients-for-Vapor-Pressure-of-the-Elements_2809.html
November 1, 2006
    More and more, it is recognized that business and science are interwoven, and that these disciplines can complement each other to achieve corporate goals. In the chemical process industries (CPI), a noteworthy role is that of engineering in helping management comply with regulatory policy. A common procedure for most process engineers is performing a mass balance around a given system. Once...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/The-Mass-Balance_2825.html
November 1, 2006
Acro 1.0 optimization software, developed by Sandia National Laboratories (Albuquerque, N.M.; edlinks.che.com/6518-550), has recently been published and is now available to the public at no charge. The software can...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Free-optimization_3041.html
April 1, 2006
Fluent. Inc. (Lebanon, N.H.; edlinks.che.com/5828-541) has entered a partnership with DEM Solutions (Edinburgh, U.K.; edlinks.che.com/5828-542) to complement Fluent’s...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Integrating-CFD-and-DEM_2929.html
March 1, 2006
Simulations of chemical processes that involve many reactants with continually changing compositions can be set up and run in minutes, rather than the previously required hours, with a newly commercialized software package, Reaction Engineering Lab, says developer Comsol (Stockholm, Sweden, and Burlington, Mass.; edlinks.che.com/5827-539). For reactions taking place in well-mixed systems or in tubular...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Chementator-New-software-should-speed-up-reaction-engineering_2913.html
March 1, 2006
    Minor components trapped in distillation columns can react to form solids that cause major problems. The conventional responses to this situation focus upon dealing with the solids after they have become formed. A better strategy consists of preventing or minimizing the solids formation in the first place, by changing the column operating conditions.   Understanding the situation The...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Minimize-Trapped-Components-in-Distillation-Columns_3089.html
February 1, 2006
    Piping-flexibility and stress analysis are required in the design of most piping systems before the piping is installed in a chemical-process or other plant. It is intended to ensure the safety of the plant and thus protect the interests of the owner and the general public. Owing to the availability of powerful computer software packages, the analysis has become simple and routine. However...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Stress-Analysis-for-Piping-Systems-Resting-on-Supports_2795.html
February 1, 2006
Last month, Aspen Technology, Inc. (Cambridge, Mass.; edlinks.che.com/5826-553) launched its new generation of applications for the design, rating and simulation of heat exchangers: Aspen Tasc+, for shell-and-tube heat...
http://www.chemengonline.com/software_automation_and_control/information_technology/design_simulation_and_modeling/Chementator-Heat-exchangers_2890.html
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