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Technical Paper

The BMW Recycling and Dismantling Center - Advanced Developments in Vehicle Recycling

1996-02-01
960404
BMW's concept for recycling old cars seeks to avoid shredder residues in the recycling process to the greatest possible extent. Any absolutely unavoidable, non-utilizable residues are to be suitable for disposal at domestic waste sites. An important feature of this recycling concept is the removal of operating fluids and dismantling of any components, parts and materials worthy of further use from old cars. This corporate policy, supported by legal standards calls for the automobile recycler to meet increasing demands in terms of facilities and equipment as internal processes. Proper fulfilment of these requirements is indeed a fundamental prerequisite for companies wishing to be accepted within the network of recycling plants. Like the production of vehicles, the subsequent utilisation and recycling of vehicles must be considered in the light of economic criteria.
Technical Paper

Liquid Hydrogen Storage Systems Developed and Manufactured for the First Time for Customer Cars

2006-04-03
2006-01-0432
There is a common understanding that hydrogen has a great potential to be the fuel of the future. In addition to the challenge of developing appropriate hydrogen propulsion systems the development of hydrogen storage systems is the second big issue. Due to its high potential in cost and weight and specific storage capacity, the BMW Group is focusing on the development of liquid hydrogen storage systems. In the next hydrogen 7-Series the BMW Group is about to make for the first time the step from demonstration fleets to cars used by external users with a liquid hydrogen storage system. To realize this significant goal, special focus has to be put on high safety standards so that hydrogen can be considered as safe as common types of fuel, and on the every day reliability of the storage system. Moreover, the development of strong partnerships with suppliers is a key factor to realize the design and identify appropriate manufacturing processes.
Technical Paper

The BMW AVZ Wind Tunnel Center

2010-04-12
2010-01-0118
The new BMW Aerodynamisches Versuchszentrum (AVZ) wind tunnel center includes a full-scale wind tunnel, "The BMW Windkanal" and an aerodynamic laboratory "The BMW AEROLAB." The AVZ facility incorporates numerous new technology features that provide design engineers with new tools for aerodynamic optimization of vehicles. The AVZ features a single-belt rolling road in the AEROLAB and a five-belt rolling road in the Windkanal for underbody aerodynamic simulation. Each of these rolling road types has distinct advantages, and BMW will leverage the advantages of each system. The AEROLAB features two overhead traverses that can be configured to study vehicle drafting, and both static and dynamic passing maneuvers. To accurately simulate "on-road" aerodynamic forces, a novel collector/flow stabilizer was developed that produces a very flat axial static pressure distribution. The flat static pressure distribution represents a significant improvement relative to other open jet wind tunnels.
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