RT info:eu-repo/semantics/article
T1 Energy Consumption Reduction of a Chiller Plant by Adding Evaporative Pads to Decrease Condensation Temperature
A1 Rey Martínez, Francisco Javier
A1 San José Alonso, Julio Francisco
A1 Velasco Gómez, Eloy
A1 Tejero González, Ana
A1 Esquivias Fernández, Paula Matilde
A1 Rey Hernández, Javier María
K1 Air cooled chillers
K1 Enfriadores de aire
K1 Adiabatic condensers
K1 Condensadores adiabáticos
K1 Carbon dioxide - Emissions
K1 Dioxido de carbono - Emisiones
K1 Energy savings
K1 Ahorro energético
AB The high energy consumption of cooling systems justifies the need for strategies to increase the efficiency of the facilities, in order to reduce the related CO2 emissions. This study aims to improve the performance and reduce the energy consumption of an 8.6 MW air cooled chiller. This installed capacity is biased due to the screw compressors, of 2.98 Energy Efficiency Ratio (EER) at full load (characteristics provided by the manufacturer). The chiller unit has been modified by placing evaporating cooling pads before the condensing coils. The chiller has been monitored for three months, recording over 544,322 measurements (5 min-step data), with and without the evaporative cooling pads, to assess the performance. Data comparison has been done by selecting two days (with and without evaporative panels) with the same health care load and temperatures. Implementing the proposed strategy yields an improvement in the European Seasonal Energy Efficiency Ratio (ESEER) from 3.69 to 4.83, while the Total Equivalent Warming Impact (TEWI) decreases about 1000 tCO2. Energy savings of up to 32.6 MWh result into a payback period lower than 2 years.
PB MDPI
SN 1996-1073
YR 2020
FD 2020
LK https://uvadoc.uva.es/handle/10324/52323
UL https://uvadoc.uva.es/handle/10324/52323
LA eng
NO Energies, 2020, vol. 13, n. 9, 2218
NO Producción Científica
DS UVaDOC
RD 01-sep-2024