Within the area of underground transport systems this remains a key driver as the provision of air through ventilation systems is critical to providing a safe environment for both travellers and transport workers.
Howden has developed its solution approach to all tunnelling projects from road to rail to ensure industry leading performance you can rely on. Our expertise starts at concept enabling the optimisation of system design and continues throughout the lifetime of operation using leading modelling, fan and digital technology to deliver a truly end-to-end solution.
Fans designed and built to the highest standards ensuring safety and reliability long-term
Flexible fan range to optimally meet conditions of each tunnel
High efficiency fans delivering best performance at lowest operational cost
Fully scoped systems using design and simulation models
Complete system solution and delivery reducing project complexity and costs
Optimised operation via digital control and monitoring technology
Howden fans extract smoke while withstanding up to 400oC for 2 hours for safe tunnel emergency operation. Our axial and jet fan ranges are tested to international standards
Howden has won a contract to supply ventilation fans for use in the WestConnex Rozelle Interchange tunnels in Sydney, Australia.
Howden has secured an order with North Wales Road Authority to supply digitally enabled Jet Fans as part of an upgrade to the Conwy Tunnel.
Howden’s solutions for tunnel ventilation involves three distinct elements with software aiding design and simulation, fans providing critical air and digital technology giving operational insight and control. Explore these elements further below.
VentsimTM software to design optimal systems for flow and performance.
Fan engineering based on expert analysis of project duties.
High performance fans providing reliable continuous and emergency air and smoke extraction.
Automate fan control through Ventsim to optimise operation.
Maximise performance levels with Uptime digital technology coupled with specialist aftermarket support.
For almost 100 years Howden has supplied fans for ventilation within tunnel projects worldwide. Our fan technology has developed along with our capability to support system design and long-term operation.
For more than 6 generations, Howden has supplied safe and reliable ventilation fans to a broad spectrum of tunnels.
Watch our animation to view how this capability has grown to enable design, control and system optimisation.