Title: Effect of an algae integrated water wall on energy consumption and CO₂ emission

Authors: Nilay Altunacar; Mehmet Akif Ezan; Yonca Yaman; Ayça Tokuç; Berkay Budakoğlu; Gülden Köktürk; İrem Deniz

Addresses: Department of Mechanical Engineering, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Mechanical Engineering, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Architecture, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Architecture, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Electrical-Electronics Engineering, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Electrical-Electronics Engineering, Dokuz Eylul University, Tinaztepe Campus, 35190, Buca, Izmir, Turkey ' Department of Bioengineering, Manisa Celal Bayar University, Şehit Prof. Dr. İlhan Varank Campus, 45040, Muradiye, Manisa, Turkey

Abstract: This study develops a transient thermal model for an indoor in which a photobioreactor (PBR) is integrated into one of its facades. Thermal comfort, energy consumption, and carbon dioxide (CO₂) emissions were interpreted in different design scenarios for Izmir, Turkey. As a result, it was determined that a 20% window-to-wall ratio (WWR) provides the most comfortable results, and the algae usage increases the annual comfort by 19% and reduces the heating/cooling demand. Compared to a water wall, it provides a 17% reduction in energy consumption and CO₂ emissions.

Keywords: algae integrated facades; energy-efficient buildings; water wall; photobioreactor.

DOI: 10.1504/IJGW.2023.128851

International Journal of Global Warming, 2023 Vol.29 No.1/2, pp.121 - 138

Received: 24 Nov 2021
Received in revised form: 12 May 2022
Accepted: 14 May 2022
Published online: 07 Feb 2023 *

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