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Analysis of Jet Fan Ventilation System installed in an Underground Car Park with Partition Walls

Original scientific paper

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 6, Issue 2, June 2018, pp 228-239
DOI: https://doi.org/10.13044/j.sdewes.d5.0180
Željko Špiljar1 , Miodrag Drakulić2, Daniel Rolph Schneider3
1 Invento Pro, Prilaz Ivana Visina 1-3, Zagreb, Croatia
2 CTP Projekt, Ulica Frana Vrbanića 22/II, Zagreb, Croatia
3 University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture, Ivana Lučića 5, 10000 Zagreb, Croatia


The jet fan ventilation system is one of various ventilation systems available for the purpose of carbon monoxide extraction in underground car parks. Such a system is dependent not only on the rules applied during the design, but also the architecture of the underground car park. This paper describes a numerical model used to analyse air stagnation areas, airflow and streamline patterns and the influence of partition walls on the jet fan ventilation system. Additional focus is on the validity of the choice of the jet fan ventilation system for the underground car parks with partition walls. Results show that jet fan ventilation system is not suitable for all underground car park architecture layouts.

Keywords: Underground car park, Partition wall, Jet fan ventilation system, Numerical modelling.

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