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Article

A Simplified Methodology for Existing Tertiary Buildings’ Cooling Energy Need Estimation at District Level: A Feasibility Study of a District Cooling System in Marrakech

1
Department of Infrastructure Engineering, The University of Melbourne, 3010 Melbourne, Australia
2
Department of Energy, Politecnico di Milano, 20156 Milan, Italy
3
R2M Solution, 27100 Pavia, Italy
4
ENERSEM, 20133 Milano, Italy
*
Author to whom correspondence should be addressed.
Energies 2019, 12(5), 944; https://doi.org/10.3390/en12050944
Received: 15 January 2019 / Revised: 25 February 2019 / Accepted: 2 March 2019 / Published: 12 March 2019
In district energy systems planning, the calculation of energy needs is a crucial step in making the investment profitable. Although several computational approaches exist for estimating the thermal energy need of individual buildings, this is challenging at the district level due to the amount of data needed, the diversity of building types, and the uncertainty of connections. The aim of this paper is to present a simplified measurement-based methodology for estimating the cooling energy needs at the district level, which can be employed in the preliminary sizing and design of a district cooling network. The methodology proposed is suitable for tertiary buildings and is based on building electricity bills as historical data to calculate the yearly cooling demand. Then, the developed method is applied to a real case study: the feasibility analysis of a sustainable district cooling network for a hotel district in the city of Marrakech. The designed system foresees a 23-MWcold district cooling network that is 4 km long, supplying 26 GWh of cooling to the tourist area. The results show that the proposed methodology for cooling demand estimation is coherent with the other existing methods in the literature. View Full-Text
Keywords: district heating planning and organisation; district heating components and system; cooling demand estimation; district cooling; techno-economic analysis; GHG reduction; preliminary design framework; load estimation; tertiary buildings; hourly cooling profile district heating planning and organisation; district heating components and system; cooling demand estimation; district cooling; techno-economic analysis; GHG reduction; preliminary design framework; load estimation; tertiary buildings; hourly cooling profile
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MDPI and ACS Style

Charani Shandiz, S.; Denarie, A.; Cassetti, G.; Calderoni, M.; Frein, A.; Motta, M. A Simplified Methodology for Existing Tertiary Buildings’ Cooling Energy Need Estimation at District Level: A Feasibility Study of a District Cooling System in Marrakech. Energies 2019, 12, 944. https://doi.org/10.3390/en12050944

AMA Style

Charani Shandiz S, Denarie A, Cassetti G, Calderoni M, Frein A, Motta M. A Simplified Methodology for Existing Tertiary Buildings’ Cooling Energy Need Estimation at District Level: A Feasibility Study of a District Cooling System in Marrakech. Energies. 2019; 12(5):944. https://doi.org/10.3390/en12050944

Chicago/Turabian Style

Charani Shandiz, Saeid, Alice Denarie, Gabriele Cassetti, Marco Calderoni, Antoine Frein, and Mario Motta. 2019. "A Simplified Methodology for Existing Tertiary Buildings’ Cooling Energy Need Estimation at District Level: A Feasibility Study of a District Cooling System in Marrakech" Energies 12, no. 5: 944. https://doi.org/10.3390/en12050944

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