Performance study of a novel dew point evaporative cooler in the climate of central Europe using building simulation tools

Pandelidis, Demis; Niemierka, Elzbieta; Pacak, Anna; Jadwiszczak, Piotr; Cichon, Aleksandra; Drag, Pawel; Worek, William; Cetin, Sabri

doi:10.1016/j.buildenv.2020.107101

Title: Performance study of a novel dew point evaporative cooler in the climate of central Europe using building simulation tools

Journal Article · Sat Aug 15 00:00:00 EDT 2020 · Building and Environment

DOI:https://doi.org/10.1016/j.buildenv.2020.107101· OSTI ID:1779099

Pandelidis, Demis; Niemierka, Elzbieta; Pacak, Anna; Jadwiszczak, Piotr; Cichon, Aleksandra; Drag, Pawel; Worek, William; Cetin, Sabri

This paper presents the performance research of a hybrid air conditioning system (System II) equipped with novel dew point evaporative cooler (DPIEC) for a retail building located in temperate climatic conditions. The new cooler has a dedicated, adaptable structure that maximizes its performance in the climate conditions of central Europe. The unit can operate as a typical regenerative air cooler when outdoor air is drier than indoor air, it can operate as a counter-flow heat recovery unit when indoor conditions are more dry than outdoor and it can operate as a combination of both arrangements. The year-round, hourly-stepped building energy simulations were carried-out using a prognostic tool of energy consumption. The novel dew point evaporative cooler application potential was established using the black-box model based on regression equations was established based on experimental tests on a prototype of novel DPIEC. The hybrid system operation was compared to the typical air handling unit equipped with a standard energy wheel for heat recovery (System I). Presented research shows that DPIEC can cover about 95% of total cooling loads while the energy wheel covers only 9% of total cooling load. System II allows us to save 65% of seasonal electricity consumption comparing to System I. It comes from the fact that during most of the cooling season DPIEC is in operation and it covers most of the cooling loads without the need to switch the chilled water system.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: Polish National Centre for Research and Development; Polish National Agency for Academic Exchange; Argonne National Laboratory - Energy Systems Division

DOE Contract Number:: AC02-06CH11357

OSTI ID:: 1779099

Journal Information:: Building and Environment, Vol. 181

Country of Publication:: United States

Language:: English

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