‘Never again!’: this was the credo after the North Sea flood of 1953, which caused widespread destruction in the UK, Belgium and most severely in the Netherlands. The day closed with drinks in the bar called “The Atmosphere”.RAAAF and Atelier de Lyon are transforming the disused Delta Flume into an intense spatial memorial Research efforts on the development of (hybrid) electric propulsion was discussed for so-called narrow body aircraft (Airbus A320 size). This does not only involve the shape of the cabin, but also the location of the engines on the aircraft, and adjustments needed for fulfilling safety regulations. The research group optimises the balance between crucial aspects of aircraft: performance, aerodynamics stability and control. Research into improving the fuels, combustion and aerodynamics of planes aims to reduce the emissions. At the moment aviation is responsible for only 2.5% of the yearly CO2 emissions, but this is increasing at a rate of 5% per annum which poses a challenge. ![]() Moreover, the role of aviation in the climate debate was discussed. After some refresher lectures on fluid mechanics, the NVBM delegation had a guided tour of the wind tunnels and gained technical insights on how flow with different Mach values can be achieved. All experiments aim to reduce the friction on the air foils and, as such, optimise their performance. The equipment is used to study the aerodynamics of air foils, for aircraft and wind turbine blades, and the aerodynamics of speed skaters and racing cyclists. The Faculty of Aerospace Engineering at Delft University of Technology uses a large spectrum of wind tunnels, suitable for studies in subsonic ( 5 Mach) conditions. Bathymetry models are also run to predict the evolution of the seafloor and its consequences for foundations and cables on the North Sea floor. For example, since wave conditions are critical for the installation and maintenance of wind turbines, Deltares runs wave models based on meteorological input to forecast the most suitable timing for operations at sea. Partly funded by governmental agencies and partly by private partners, Deltares’ main objective is to reduce technical and financial risks for offshore wind energy investors. Deltares is also involved in research concerning energy transition and in particular offshore wind energy. This tank is used for testing coastal designs to protect the Netherlands against sea level rise. ![]() In the Delta Flume waves with heights of up to 4.5 m can be generated. Their largest facility is the so called Delta Flume, which is 300 m long, 9.5 m deep and has a width of 5 m. They are well known for their laboratory research facilities such as water flumes and water tanks, where they test to- scale dike designs and foundations for wind turbines for scour protection. The institute has 900 full-time employees and develops research software and scale models to study these environmental challenges. coastal protection, flooding, droughts etc. NVBM mmebers visiting the Delta Flume (photo credit: Sofia Caires from Deltares)ĭeltares is a research institute that focuses on hydrological and hydraulic environmental problems, e.g. This year the NVBM visited Deltares and the faculty of Aerospace Engineering at Delft University of Technology, which are both located in Delft. Each year the Dutch Meteorological Society (NVBM) organises a site visit to institutes that are stakeholders of meteorological information and knowledge.
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