An integrated approach for risk assessment of CO2 infrastructure in the COCATE project

An innovative risk analysis model has been developed in order to quantify and analyse safety risks related to loss-ofcontainment scenarios in the pipeline transport of CO2. The risk model integrates the identified failure modes, consequence estimates and emergency response, producing consistent risk profiles based on complete outcome spaces and...

Study of the thermohydraulics of CO2 discharge from a high pressure reservoir

An experimental test set up has been constructed to carry out controlled CO2 release experiments from a high pressure vessel. The test set up is made up of a 500l stainless steel vessel where CO2 can be introduced up to high pressures and where controlled releases can be conducted. The work objective is to get experimental data that help to...

Experimental investigation of CO2 outflow from a high-pressure reservoir

An experimental investigation has been conducted to study the discharge of liquid CO2 from a pressurized vessel. Controlled release tests with different initial vessel pressures have been carried out. This paper focuses mainly on the high pressure zone inside the vessel and on the fluid expansion zone downstream of the nozzle. The main goal of...

H15-42: CFD analysis for risk analysis in urban environments - Tilburg city case study

For risk analysis studies, relatively simple dispersion models are generally applied, such as Gaussian dispersion and dense gas dispersion models. For rail transport risk analyses in the Netherlands, fixed consequence distances are applied for various standard scenarios of hazardous materials releases. The advantage is that the results are...

Vertical CO2 release experiments from a 1 liter high pressure vessel

High-speed CO2 release experiments from a pressurized vessel have been conducted for a range of storage pressures nozzle diameters. The experiments are conducted to validate and develop models for accidental releases of CO2 during transport. In cooperation with DNV-KEMA lab (Groningen, The Netherlands), medium scale experiments with a 500 liter...

An approach to carbon dioxide particle distribution in accidental releases

The main problem in calculating the consequences of a carbon dioxide dispersion following an accidental release is the formation of solid CO2 during the expansion to ambient pressure. The dispersion models more frequently used in the framework of quantitative risk analysis, cannot describe the carbon dioxide behaviour, in particular with respect...

Modelling of accidental releases from a high pressure CO2 pipelines

In the near future large quantities of CO2 will be transported over a large distance from Carbon dioxide Capture plants to onshore and off-shore underground Storage (CCS) sites. The risk assessments for the existing CO2 pipelines show distances to harmful threshold concentrations from 1 to 7.2 km. Such large differences in safety distances are...

Methods for thermo-mechanical analyses of small rocket engines

The design of a small rocket engine is a real challenge for engineers; a common design issue is whether the engine is able to withstand the harsh temperatures and other severe conditions during operation or not. The answer to this seemingly obvious question requires the solving of a very complex problem; it involves among others the gas flow in...

Usability testing of wireless broadband LAN in the MEDIAN user trials

The main objective of the ACTS MEDIAN project is to build a high speed WCPN/LAN demonstrator system for multimedia applications and demonstrate it in user trials. The demonstrator system, consisting of one base station and two portable stations, is capable of handling high speed (up to 150 Mbit/s) ATM traffic over a 60 GHz radio link, using a...