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| Bidart Fan | |
|---|---|
| Name | Bidart Fan |
| Type | Industrial centrifugal fan |
Bidart Fan The Bidart Fan is an industrial centrifugal ventilation device used in large-scale architecture, maritime and aerospace settings to move air and control environmental conditions. It integrates rigid stainless steel or aluminum components with variable-speed electric motors and advanced blade geometries derived from turbomachinery and aerodynamics research. Applications span from retrofitting in historic cathedrals and stadiums to integration in aircraft auxiliary systems and ship engine-room ventilation.
The Bidart Fan combines principles from turbine design, compressor technology, pump engineering, and fan coil unit concepts to produce high-pressure, high-flow axial-centrifugal hybrid performance. With roots in industrial projects for port of Los Angeles, Port of Rotterdam, and Jeddah infrastructure, the device addresses requirements seen in skyscraper HVAC, submarine ventilation, and space station environmental control proposals. Designers reference historical work by engineers associated with General Electric, Siemens, Rolls-Royce plc, Mitsubishi Heavy Industries, and research from institutions like Massachusetts Institute of Technology, Imperial College London, and École Polytechnique.
The mechanical layout employs a scroll housing, backward-inclined blades, and variable-pitch vanes influenced by studies at NASA Ames Research Center and CERN flow labs. Drive systems use synchronous motors, variable frequency drives sourced from suppliers such as ABB and Schneider Electric, with bearings from SKF or Timken and seals modeled on John Crane designs. Computational fluid dynamics workflows reference software from ANSYS, Siemens PLM Software, and experimental validation in facilities like Daresbury Laboratory and Los Alamos National Laboratory. Materials include alloys specified by standards from ASTM International and ISO, with coatings developed in collaboration with BASF and DuPont for corrosion resistance in marine environments.
Performance metrics compare static pressure, cubic feet per minute, and efficiency to benchmarks set by Howden, Camfil, and Greenheck. In airport terminals, Bidart Fans assist in day-night pressurization schedules used at Heathrow Airport and John F. Kennedy International Airport; in offshore oil platform modules they comply with regulations influenced by International Maritime Organization and American Bureau of Shipping. Aerospace adaptations target auxiliary power units on platforms developed by Airbus, Boeing, and Lockheed Martin while maritime versions have been specified for vessels registered through Lloyd's Register and retrofits on Maersk container ships. Laboratory tests reference protocols from ASTM International, ISO, and European Committee for Standardization.
Initial concepts emerged from collaborative programs between École Centrale Paris researchers and industrial partners including Vestas and Siemens. Prototypes were trialed in projects at Port of Rotterdam Authority and retrofits for Notre-Dame de Paris ventilation studies after restoration planning. Funding and patents drew attention from entities such as European Research Council, National Science Foundation, and private firms like Siemens Energy and GE Vernova. Conferences where designs were presented include ASME meetings, AIAA symposia, and International Conference on Fluid Machinery gatherings. Iterative improvements incorporated feedback from engineering teams at Arup, Atkins, and WSP Global.
Commercial lines include high-temperature models for steel mill and glassworks environments, corrosion-resistant marine models for Royal Navy and Maersk service, and low-noise variants for cultural venues such as Sydney Opera House and Lincoln Center. Specialty adaptations have been developed for research platforms at CERN, Brookhaven National Laboratory, and European Space Agency prototypes. OEM collaborations produced bespoke units for Rolls-Royce plc test cells, NASA wind-tunnel rigs, and HVAC packages by Carrier and Trane.
Safety standards align with guidance from Occupational Safety and Health Administration directives, European Agency for Safety and Health at Work recommendations, and classification societies like Det Norske Veritas and Bureau Veritas. Maintenance schedules reference lubrication regimes published by SKF and vibration-monitoring protocols utilizing systems from Emerson Electric and Honeywell International Inc.. Fail-safe features include guarding compliant with ISO machinery directives, redundant motor controls from Rockwell Automation, and emergency shutdown systems integrated with building automation platforms from Siemens and Johnson Controls.
Adoption of Bidart Fans influenced retrofit strategies in heritage sites managed by organizations like UNESCO and World Monuments Fund, and procurement choices for municipal projects in cities such as Paris, New York City, and Singapore. Economically, deployment affected supply chains tied to manufacturers including Siemens Energy, GE Vernova, and Mitsubishi Heavy Industries, and engaged service providers like AECOM and Arup. The product spurred discourse at trade shows hosted by Hannover Messe and AHR Expo, and featured in technical journalism outlets such as IEEE Spectrum and Engineering News-Record.
Category:Industrial fans