Turbulent airflow in a room with a two-jet heating-ventilation system - a numerical parametric study

Energy and Buildings

Volumn 32, Issue 3, 2000, Pages 327-343

  Costa, J J ^a   Oliveira, L A ^a   Blay, D ^b  

^a UNIVERSITY OF COIMBRA   (Portugal)

^b ENSMA   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ASPECT RATIO; FLOW PATTERNS; MATHEMATICAL MODELS; REYNOLDS NUMBER; SPACE HEATING; TURBULENT FLOW;

LOW-REYNOLDS-NUMBER TURBULENCE MODEL;

VENTILATION;

EID: 0034274636     PISSN: 03787788     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0378-7788(00)00056-6     Document Type: Article

References (33)

1. Chen Q., Jiang Q.Z. Significant questions in predicting room air motion. ASHRAE Trans. 98(1):1992;929-939.
2. Launder B.E., Spalding D.B. The numerical computation of turbulent flows. Comp. Methods Appl. Mech. Eng. 3:1974;269-289.
3. P.V. Nielsen, Flow in air conditioned rooms, Danfoss, Denmark, English Translation of PhD Thesis, Technical University of Denmark, 1974.
4. A. Restivo, Turbulent Flow in Ventilated Rooms, PhD Thesis, Dept. Mech. Eng., Imperial College of Science and Technology, London, 1979.
5. Nielsen P.V., Restivo A., Whitelaw J.H. The velocity characteristics of ventilated rooms. J. Fluids Eng. 100:1978;291-298.
6. Nielsen P.V., Restivo A., Whitelaw J.H. Buoyancy-affected flows in ventilated rooms. Numer. Heat Transfer. 2:1979;115-127.
7. Gosman A.D., Nielsen P.V., Restivo A., Whitelaw J.H. The flow properties of rooms with small ventilation openings. J. Fluids Eng. 102:1980;316-323.
8. Whittle G.E. Computation of air movement and convective heat transfer within buildings. Int. J. Ambient Energy. 7(3):1986;151-164.
9. Patankar S.V. Numerical Heat Transfer and Fluid Flow. 1980;Hemisphere Publishing, Washington, DC.
10. M. Skovgaard, P.V. Nielsen, Numerical prediction of air distribution in rooms with ventilation of the mixing type using the standard k-ε model, Paper no. 13 - Indoor Environmental Technology, Institute of Building Technology and Structural Engineering, Aalborg University, Denmark, 1990.
11. P.V. Nielsen, Models for the prediction of room air distribution, Paper no. 20 - Indoor Environmental Technology, Institute of Building Technology and Structural Engineering, Aalborg University, Denmark, 1991 (Presented in the 12th AIVC Conference on Air Movement and Ventilation Control within Buildings, Ottawa, Canada, 1991).
12. P.V. Nielsen, Models for the prediction of room air distribution, Paper no. 20 - Indoor Environmental Technology, Institute of Building Technology and Structural Engineering, Aalborg University, Denmark, 1991 (Presented in the 12th AIVC Conference on Air Movement and Ventilation Control within Buildings, Ottawa, Canada, 1991).
13. Patel V.C., Rodi W., Scheuerer G. Turbulence models for near-wall and low-Reynolds number flows: a review. AIAA J. 23(9):1985;1308-1318.
14. Liu Q., Hoff S.J., Maxwell G.M., Bundy D.S. Comparison of three k-ε turbulence models for predicting ventilation air jets. Trans. ASAE. 39(2):1996;689-698.
15. Davidson L. Calculation of the turbulent buoyancy-driven flow in a rectangular cavity using an efficient solver and two different low Reynolds number k-ε turbulence models. Numer. Heat Transfer, Part A. 18:1990;129-147.
16. Awbi H.B. Calculation of convective heat transfer coefficients of room surfaces for natural convection. Energy and Buildings. 28:1998;219-227.
17. Blay D., Mergui S., Niculae C. Confined turbulent mixed convection in the presence of a horizontal buoyant wall jet. Fundamentals of Mixed Convection. Trans. ASME HTD. vol. 213:1992;65-72.
18. Costa J.J., Mergui S., Tuhault J.L., Penot F., Blay D., Oliveira L. Test of turbulence models for the numerical simulation of internal mixed convection flows. ROOMVENT'92 - 3rd International Conference on Air Distribution in Rooms, Aalborg, Denmark. 1:1992;159-175.
19. Chen Q. Comparison of different k-ε models for indoor air flow computations. Numer. Heat Transfer, Part B. 28:1995;353-369.
20. Costa J.J., Oliveira L.A., Blay D. Test of several versions for the k-ε type turbulence modelling of internal mixed convection flows. Int. J. Heat Mass Transfer. 42:1999;4391-4409.
21. Chieng C.C., Launder B.E. On the calculation of turbulent heat transport downstream from an abrupt pipe expansion. Numer. Heat Transfer. 3:1980;189-207.
22. Nagano Y., Hishida M. Improved form of the k-ε model for wall turbulent shear flows. J. Fluids Eng. 109:1987;156-160.
23. Gray D.D., Giorgini A. The validity of the Boussinesq approximation for liquids and gases. Int. J. Heat Mass Transfer. 19:1976;545-551.
24. Cebeci T., Khattab A. Prediction of turbulent-free-convective-heat transfer from a vertical flat plate. J. Heat Transfer. 1975;469-471.
25. R.A. Henkes, Natural-convection boundary layers, PhD Thesis, Faculty of Applied Physics, Delft University of Technology, The Netherlands, 1990.
26. Van Doormaal J.P., Raithby G.D. Enhancements of the SIMPLE method for predicting incompressible fluid flows. Numer. Heat Transfer. 7:1984;147-163.
27. Delenne B., Pot G. Modelling of the turbulent boundary layer implemented in CFD code N3S and application to flows in heated rooms. 8th International Conference on Numerical Methods in Thermal Problems, Swansea, UK. vol. VIII:1993;670-681. 1.
28. S. Mergui, Experimental characterisation of natural and mixed convection airflows within a closed cavity, PhD Thesis, University of Poitiers, France, 1993 (in French).
29. Awbi H.B. Scale effect in room airflow study. Energy and Buildings. 14:1990;207-210.
30. Nielsen P.V. Numerical prediction of air distribution in rooms - status and potentials. Christianson L. Building Systems: Room Air and Air Contaminant Distribution. 1989;31-38 American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Atlanta, GA, USA.
31. Guidelines for Ventilation Requirements in Buildings, Report no. 11, European Concerted Action - Indoor Air Quality and its Impact on Man, Commission of the European Communities, 1992.
32. ASHRAE Standard 55, Thermal environmental conditions for human occupancy, Atlanta, GA, USA, 1992.
33. ISO Standard 7730, Moderate thermal environments - Determination of the PMV and PPD indices and specification of the conditions for thermal comfort, International Standards Organisation, Geneve, Switzerland, 1994.