A passive cooling wind catcher with heat pipe technology: CFD, wind tunnel and field-test analysis

Calautit, John Kaiser and Hughes, Ben Richard (2016) A passive cooling wind catcher with heat pipe technology: CFD, wind tunnel and field-test analysis. Applied Energy, 162 . pp. 460-471. ISSN 0306-2619

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Wind catchers are natural ventilation systems based on the design of traditional architecture, intended to provide ventilation by manipulating pressure differentials around buildings induced by wind movement and temperature difference. Though the movement of air caused by the wind catcher will lead to a cooling sensation for occupants, the high air temperature in hot regions will result in little cooling to occupants. In order to maximise the properties of cooling by wind catchers, heat pipes were incorporated into the design. Computational Fluid Dynamics (CFD) was used to investigate the effect of the cooling devices on the performance of the wind catcher, highlighting the capabilities of the system to deliver the required fresh air rates and cool the ventilated space. Qualitative and quantitative wind tunnel measurements of the airflow through the wind catcher were compared with the CFD data and good correlation was observed. Preliminary field testing of the wind catcher was carried out to evaluate its thermal performance under real operating conditions. A cooling potential of up to 12 °C of supply air temperature was identified in this study.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/772563
Keywords: Field study, Hot climate, Numerical analysis, Passive cooling, Wind tunnel
Schools/Departments: University of Nottingham, UK > Faculty of Engineering > Department of Architecture and Built Environment
Identification Number: https://doi.org/10.1016/j.apenergy.2015.10.045
Depositing User: Calautit, John
Date Deposited: 19 Sep 2017 11:41
Last Modified: 04 May 2020 17:31
URI: https://eprints.nottingham.ac.uk/id/eprint/46449

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