Energy Performance Comparison of a Chiller Plant Using the Conventional Staging and the Co-Design Approach in the Early Design Phase of Hotel Buildings

Yamile Díaz Torres, Paride Gullo (), Hernán Hernández Herrera, Migdalia Torres del Toro, Roy Reyes Calvo, Jorge Iván Silva Ortega and Julio Gómez Sarduy
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Yamile Díaz Torres: Instituto Superior Politécnico de Tecnologías e Ciências (ISPTEC), Departamento de Engenharias e Tecnologias, Ave Luanda Sul, Luanda P.O. Box 583, Angola
Paride Gullo: Department of Mechanical and Electrical Engineering, University of Southern Denmark (SDU), 6400 Sønderborg, Denmark
Hernán Hernández Herrera: Faculty of Engineering, Universidad Simón Bolivar, Barranquilla 080005, Colombia
Migdalia Torres del Toro: Instituto Superior Politécnico Alvorecer da Juventude (ISPAJ), Departamento de Engenharias e Ciências Exactas, Urbanição Nova Vida, Rua 45. Kilamba Kiaxi, Luanda P.O. Box 583, Angola
Roy Reyes Calvo: Studies Center for Energy and Environment, Universidad Carlos Rafael Rodríguez, Cienfuegos 55100, Cuba
Jorge Iván Silva Ortega: Department of Energy, Universidad de la Costa, Barranquilla 080005, Colombia
Julio Gómez Sarduy: Studies Center for Energy and Environment, Universidad Carlos Rafael Rodríguez, Cienfuegos 55100, Cuba

Energies, 2023, vol. 16, issue 9, 1-23

Abstract: As part of the design process of a chiller plant, one of the final stages is the energy testing of the system in relation to future operating conditions. Recent studies have suggested establishing robust solutions, but a conservative approach still prevails at this stage. However, the results of some recent studies suggest the application of a new co-design (control–design) approach. The present research involves a comparative analysis between the use of conventional staging and the co-design approach in the design phase of a chiller plant. This paper analyzes the energy consumption estimations of six different chiller plant combinations for a Cuban hotel. For the conservative approach using on/off traditional staging, the results suggest that the best option would be the adoption of a chiller plant featuring a symmetrical configuration. However, the outcomes related to the co-design approach suggest that the best option would be an asymmetrical configuration. The energy savings results were equal to 24.8% and the resulting coefficient of performance (COP) was 59.7% greater than that of the symmetrical configuration. This research lays firm foundations for the correct choice and design of a suitable chiller plant configuration for a selected hotel, allowing for significant energy savings in the tourism sector.

Keywords: chiller plant; co-design; traditional staging; optimal chiller loading; optimal chiller sequencing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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