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Reaction in a Bubble Column (Ozonizer)
Posted Sat February 12, 2005 @10:38PM
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Help Desk Ozone writes "Hello,

I want to study ozonization reactions and also the hydrodynamics using FLUENT. For the time being, we want to start with a simple phenomenon: Ozone-rich air will be bubbled into the water, and in the gas phase, the ozone will decompose to oxygen. Due to the increase in the number of moles, the volume of the bubbles will increase i.e. the bubble hold-up will go on increasing. We want to study how this effects the hydrodynamics.

Can you please suggest:

  1. Which reaction model I should choose? Volumetric reactions or particle surface reactions?
  2. This should be a multiphase model; but when I choose e.g. mixture model, the option for reaction does not come.
Please suggest a way out.
Ozone"

( Post Comment )


Application: CFD Streamlines Fan Design for New Marine Corps Amphibious Vehicle
Posted Fri February 11, 2005 @05:18PM
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Application By the end of the decade, the Marines will go into combat riding in General Dynamics Amphibious Systems’ new Expeditionary Fighting Vehicle (EFV) — a hybrid tank/boat designed to carry 17 combat equipped marines and a three-person crew over both land and sea at speeds of up to 30 miles per hour.

The contract to improve the environmental control system (ECS) that circulates and cools the cabin air was won by Fairchild Controls Corp. The company has been supplying sophisticated pneumatic, hydraulic and cooling systems to the aerospace and defense industries for 40 years.

The challenge was to improve airflow and minimize operational noise while remaining within a strict budget. In order to meet the deadline for delivering combat-ready EFVs in 2008, Fairchild Controls also needed to design, test and qualify the improved ECS in just 14 months.

( Read Full Article | Application )


Business: New Fluent Office in China Consolidates Rapid Growth in the Asia Pacific Region
Posted Thu February 10, 2005 @12:09PM
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ANSYS FLUENT Fluent Inc., the worldwide leader in Computational Fluid Dynamics (CFD) software and services announces the opening of a new office in Shanghai, China. Fluent is the largest and fastest growing CFD software and services supplier in China. The country’s recent rapid industrialization has led to its GDP approaching 60% of that of the USA. There is a demand for the best in leading edge engineering simulation software and Fluent’s new office reflects its commitment to the Chinese market with a full suite of CFD software sales, technical support, consulting and development services.

( Read Full Article | Business )


NIKA Moves To New Headquarters
Posted Fri February 04, 2005 @12:24PM
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News NIKA GmbH, the leading provider of fluid flow and heat transfer simulation software for engineers, announced today that it has relocated its world headquarters to Union Halle in Frankfurt, Germany. The company, which develops and distributes FloWorks, EFD.Lab and EFD.V5 analysis tools, has experienced stellar growth since inception and has therefore outgrown its current facilities. The new offices will be located at Union Halle, Hanauer Landstraße 188, 60314 Frankfurt am Main. The phone and fax numbers will remain the same.

( Read Full Article )


New Software: FLOW-3D V9.0 Released
Posted Thu February 03, 2005 @05:09PM
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News Flow Science, Inc. announces the availability of a major new release of its FLOW-3D® computational fluid dynamics software. Version 9.0 of FLOW-3D® offers users the ability to model rigid body dynamics with full six-degrees-of-freedom fully-coupled with fluid flows. In addition, several other new and useful physical models have been added and the graphical user interface has been completely overhauled and updated.

( Read Full Article | New Software )


New Software: Sun Announces Availability of Solaris 10 Operating System
Posted Thu February 03, 2005 @05:05PM
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News techman wrote in:

During its quarterly Network Computing '05(NC05Q1) launch today, Sun Microsystems, Inc. announced that the highly anticipated Solaris(TM) 10 Operating System (OS) is available for customers to download and deploy, free of charge from Sun's Web site (http://sun.com). Customers will benefit from increased performance as demonstrated through world-record benchmarks, affordable new service and support models and 400 new ISVs supporting Solaris 10. Solaris 10 is a vendor-neutral operating system that is available on more than 340 different hardware platforms from vendors as diverse as Dell, Fujitsu, Fujitsu Siemens Computers, IBM and HP.

( Read Full Article | New Software )


 
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