Photo gallery of Climatic Wind Tunnel (CWT) construction process. The constructtion site is at the aerodynamic laboratories of the Division of Maritime Industry (DMI) of FORCE Technology in Lyngby, Hjortekærsvej 99.
Close-up of rain accumulation on vertical cable under wind (demonstration test). Airflow approaching from the left (October 8, 2009).
Safety grid downstream of the test section. Behind the grid are the turning vanes of the first bend after the test section (October 22, 2009).
Observation side of test section with access door looking upstream towards the contraction. In the background are the supply pipes for the cooling unit (October 8, 2009).
Demonstration test setup of a vertical cable exposed to rain under wind conditions. The test specimen is an original cover pipe used on the Øresund bridge (October 8, 2009).
Upper flow return and fan looking in flow direction (October 8, 2009).
Assembled test section looking downstream. The rear side panel contains a door to access the test section (October 8, 2009).
Cooling unit (4m x 4m) mounted in the settling chamber. The unit constst of two elements supplied with cooling fluif flow individually (October 1, 2009).
Looking through the steel frame of test section upstreams. In the background is the honeycomb grid in the settling chamber (October 1, 2009).
In the steel frame of the test section interchangeable plates will mounted. The plates have either windows, a door or threaded holes to mount test equipment on floor, walls and ceiling (September 30, 2009).
The turning vaes are custom made and coated to withstand the climatic conditions inside the wind tunnel. The vanes in the tunnel bends downstream of the test section can be heated for deicing(September 30, 2009).
To reduce noice nuisance inside the wind tunnel laboratory the compressor unit was installed outside the building in a separate shed (August 2009).
Steel frame of test section. Panels with varying fittings and equipment will be installed on the frame allowing a high variability for different test setups (September 2009).
For the installation of the fan the building was modified to lift the fan with a crane on the steel frame through an opening in the roof (August 2009).
14 heat exchangers are located outside the building to release the thermal energy from the wind tunnel inside. The compressor station (shed in the background) is connected with a large piping system to the cooling unit inside the settling chamber (August 2009).
The CWT design requires a 210kW motor for the fan. This shaft power is needed to circulate the air with 100m3/s at maximum drag configuration, i.e. all flow generating devices (turbulent flow) and model setup included (August 2009).
Installation of the fan unit with a crane through the roof of the building (August 2009).
Room after disassembling and removal of cavitation tank and equipment. The depth of the room was 15m and nneded to be extended to 21m to house the new climatic wind tunnel (February 2009).
Room after extension of and roof reconstruction. Due to the wind tunnel height of 8m the roof needed to be extended as well and a hatch was installed to lift the fan unit through the roof onto the steel support frame (May 2009).
Building housing the cavitation tank test facility at the Division of Maritime Industry (DMI) of FORCE Technology in Lyngby (October 2008).
Emptying the cavitation tank of water for disassembling (October 2008).