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Flow and Heat Transfer in a Packed Bed - Steady State

This case study demonstrates the steady-state simulation of the heat transfer through a packed pebble bed.

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Reactor Cavity Cooling System - Steady State

This case study demonstrates the investigation into the operating characteristics of a Reactor Cavity Cooling System (RCCS) during passive operation.

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Pebble Bed Micro Model

The case study demonstrates a load following transient simulation of the Pebble Bed Micro model (PBMM). 

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Modeling of the start-up of a Two-shaft High-Temperature Gas-Cooled Reactor

This case study demonstrates the modeling of the start-up of the High Temperature Gas-Cooled Reactor (HTGR) nuclear power plant (NPP) discussed in the case study titled “Steady-State Simulation of a Two-shaft High-Temperature Gas-Cooled Reactor Nuclear Power Plant.” 

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Steady-State Simulation of a Two-shaft High-Temperature Gas-Cooled Reactor Nuclear Power Plant

This case study demonstrates the steady-state simulation of a High Temperature Gas-Cooled Reactor (HTGR) nuclear power plant (NPP).

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Exhaust Gas System

Highveld Steel and Vanadium Corporation is a leading producer of flat products, structural steel and vanadium slag in South Africa. It is a subsidiary of the Evras international group of companies which is based in Luxembourg. Highveld mines the iron ore used at its steel works itself. The steel works produce about a million tons of steel blocks annually, which are then used to manufacture several products, including structural sections, engineering rounds and rails, plates, coiled plates and sheets. The challenge was to simulate the exhaust gas system of one of Highveld’s manufacturing plants in Flownex and benchmark the results against measured data. Furthermore, it had to be determined whether the proposed system or control changes will have the desired effect of keeping the system’s filter temperature within the required range.

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Transient Simulation of a Two-Stage Air Cycle Chiller

This case study demonstrates the transient operation of a two-stage Air Cycle Chiller. The chiller consists of a closed cycle in which dry air is circulated via a set of centrifugal compressors and expanded through a turbine to provide cooling at very low temperatures. A typical application is in crust freezing of pre-baked foods.

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Coupled Simulation Between 3D CFD and Flownex Applied to Coal-fired Boiler

This case study demonstrates the capability of Flownex to do simulations where Flownex and a 3D CFD code are coupled.

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Control of Flownex Network Using Simulink

This case study demonstrates how Flownex and Simulink are integrated to perform different parts of a simulation.

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Washing Machine

CI-Gabriel manufactures, distributes and supplies the automotive market with ride control products (shock absorbers, struts and gas springs). It also sells directly to consumers in the aftermarket throughout Southern African. Approximately 10 000 units are manufactured daily to meet demand. During the manufacturing process, tubular parts are machined, and welding is performed on these parts. Before these components can be painted and assembled, they need to be cleaned to remove dirt, loose metal pieces and contaminants.  The washing machines that GI-Gabriel currently employs do not remove these contaminants sufficiently.  Flownex was used to simulate flow rates and pressure of water at the nozzles to ensure correct design changes were made and optimal cleaning achieved.

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