Physical and numerical modelling of a solar chimney-based ventilation system for buildings

G.S. Barozzi, M.S.E. Imbabi, E. Nobile, A.C.M Sousa

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)

Abstract

This paper describes an experimental and numerical study to analyse the thermal performance of a bio-climatic building prototype in Nigeria. The roof performs as a solar chimney, generating an air flow through the living space of the building to provide cooling. Experimental tests on a 1:12 small-scale model of the prototype are outlined, and the results, bith qualitative and quatitative, are used to validate a two-dimensional flow simulation model, in which the steady state conservation equations of mass, momentum and thermal energy are solved using a finite volume formulation.

The experimental and numerical results, expressed in terms of temperature and velocity fields, for two different window geometries are critically evaluated and compared with good agreement.
Original languageEnglish
Pages (from-to)433-445
Number of pages13
JournalBuilding and Environment
Volume27
Issue number4
DOIs
Publication statusPublished - Oct 1992

Keywords

  • passive solar
  • ventilation

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