Buoyant jet in a ventilated room: Velocity field, temperature field and airflow patterns analysed with three different whole-field methods

Building and Environment

Volumn 44, Issue 1, 2009, Pages 137-145

  Elvsén, Per Åke ^a   Sandberg, Mats ^a  

^a ROYAL INSTITUTE OF TECHNOLOGY   (Sweden)

Author keywords

Infrared thermography; Particle image velocimetry; Particle streak velocimetry; Whole field method

Indexed keywords

AIR; BUOYANCY; COMPUTATIONAL FLUID DYNAMICS; DIFFUSERS (FLUID); DYNAMICS; FLOW VISUALIZATION; FLUID DYNAMICS; REMOTE SENSING; VELOCIMETERS; VELOCITY MEASUREMENT; VENTILATION;

INFRARED THERMOGRAPHY; PARTICLE IMAGE VELOCIMETRY; PARTICLE STREAK VELOCIMETRY; TEMPERATURE FIELDS; WHOLE-FIELD METHOD;

FLUID MECHANICS;

AIR TEMPERATURE; AIRFLOW; BUOYANCY; INDOOR AIR; INFRARED IMAGERY; JET FLOW; PARTICLE MOTION; VENTILATION; WIND VELOCITY;

EID: 51449124263     PISSN: 03601323     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.buildenv.2008.02.009     Document Type: Article

References (9)

1. Cehlin M. Paper IV: Numerical modelling of a complex diffuser in a room with displacement ventilation. Doctoral thesis. KTH, Stockholm 2006. ISBN 91-7178-342-3.
2. Jirka G.H. Integral model for turbulent buoyant jets in unbounded stratified flows. Part 1: single round jet. Environmental Fluid Mechanics 4 (2004) 1-56
3. Lee J.H.W., and Chu V.H. Turbulent Jets and Plumes-A Lagrangian Approach (2003), Kluwer Academic, Dordrecht ISBN I-4020-7520-0
4. Etheridge D., and Sandberg M. Building Ventilation-Theory and Measurement (1996), Wiley, Chichester, UK
5. Beltaos S., and Rajaratnam N. Plane turbulent impinging jet jets. Journal of Hydraulic Research 1 (1973) 29-60
6. Karimipanah T, Sandberg M. Decay of momentum and velocity in an axisymmetric jet. In: Proceedings Roomvent '94,Vol. 1, Cracow, Poland, 15-17 June 1994.
7. Maurel S., and Solliec C. A turbulent plane jet impinging nearby and far from a flat plate. Experiments in Fluids 31 (2001) 687-696
8. Elvsén PÅ, Sandberg M. Particle streak velocimetry for room air flow-some improvements. Roomvent, Coimbra in Portugal, 5-8 September 2004.
9. Cehlin M., Moshfegh B., and Sandberg M. Visualisation and measuring of air temperatures based on infrared thermography. Proceedings of the seventh international conference on air distribution in rooms vol. 1 (2000) 339-347