Waste incinerators have become an attractive alternative to landfill sites. By burning the waste, municipalities get the double benefit of waste volume reduction and generation of electrical power. NOELL used CFD to optimize flow patterns for mixing and cooling purposes.

To ensure reliable functioning and availability of the plant, it is essential to avoid hot regions near the wall that might damage the refractory material. It is also necessary to ensure good mixing and a complete as possible burn up, which is achieved by optimising the geometry, air supply configuration and operational conditions.

"Comparisons with measured data and observations in existing plants are very encouraging, confirming that STAR-CD is capable of providing realistic simulations and valuable insight into the operations of these incinerators."

Flue gas scrubbers are used to capture harmful substances from coal and waste fired power plants. Two phase Lagrangian tracking of spray droplets, with interphase heat and mass transfer, was utilized to model a parallel-flow single-loop HCl scrubber.

For accurate modelling, the absorption of harmful substances into the evaporating drops must also be handled, requiring inclusion of inter-phase heat and mass transfer in the simulation. A model describing the separation was implemented in STAR-CD via user subroutines, and a droplet-wall model was introduced to describe the behaviour of droplets splashing into wall films.

"The new features and greater functionality in EnSight and EnSight Gold 7.3 reflect our customer's needs and the results of our ongoing research work for national labs in the U.S., Europe and Japan," says Kent Misegades, CEI president. "Our developers are continuing to work on improvements ranging from our powerful, integrated plotter, to numerous visualization features requested by our users. This includes integrating new data readers, researching visualization on Linux clusters, and expanding rendering capabilities for virtual reality environments such as powerwalls, benches and caves."

You Should Get This Release:

• If you are using Parallel FIELDVIEW or Client-server mode, the enhancements will greatly benefit you. And, FV7.1 adds new clients for HP and SUN to the FIELDVIEW 7 offering of SGI-64 and Windows;
• If you need to run FIELDVIEW on Intel hardware with the Red Hat LINUX O/S;
• If you are using STAR-CD, FLUENT, CFX-5, SCRYU (in Japan) or any solver that uses FV-UNS files as output, you need this release because of a bug fix in handling face-based results;
• If you are using unstructured grids and need a way to review grid/cell topology, Crinkle Surfaces in FV7.1 will be of great benefit;
• If you need to use CGNS files with FIELDVIEW.

This will be used by Honeywell to enhance the design of turbochargers, typically for marine, mining, construction, military, aviation and power generation applications, enabling Honeywell's engineers to produce a wide range of design options within reduced time-scales, thus reducing total design and prototype cost.

CFX-BladeGen incorporates the extensive turbo-machinery design and analysis expertise of AEA Technology into a user-friendly graphical environment. The product is a three-dimensional software tool that allows rapid design of rotating machinery bladed components that are typically used for pumps, compressors, fans, blowers, turbines, expanders, turbochargers and inducers.

Fluent's Automotive Headquarters will host several "CFD in the Automotive Industry" seminars.

Fluent Europe will host a seminar on CFD in the Power Industry.

Also, in conjunction with the Air & Waste Management Association Annual Conference, Fluent will hold a seminar on Environmental Flow Problems.

July 5, 2001
Schoss Rahe
Aachen, Germany