Experiments in a 1:10 scaled road traffic ventilation test facility and comparison with theory
In a 1:10 scaled facility for road-tunnel ventilation tests a jet fan model is placed at the tunnel centre-line and experiments are made with various settings of the jet fan and the tunnel velocity. Extensive pressure and velocity measurements are made and the fan-thrust force is also measured. The aim is to gain confidence in the measurement technique by checking the axial momentum balance for the flow in a tunnel segment that contains a jet-fan model. Results are alalysed in detail and compared with a theoretical model for longitudinal tunnel ventilation.
- Datum rapport
- 8 december 1999
- Auteurs
- Bruin, A.C. de
- Auteur
- A.C. de Bruin; Nationaal Lucht- en Ruimtevaartlaboratorium
- Uitgever
- NLR.
- Annotatie
-
81 p. fig., tab. (NLR report ; NLR-CR-99534) Investigation carried out under a contract awarded by Bouwdienst Rijkswaterstaat (RWS, BD) With 9 ref.
- Documentnummer
- 136195