Indoor air quality assessment in a single-family house equipped with demand controlled mechanical ventilation

• Autorzy: Müller Jarosław , Dębowski Maciej

Identyfikatory

DOI

10.2478/eces-2020-0025

• Języki publikacji: EN

Abstrakty

EN

The paper presents the results of modelling airflow for ventilation of a single-family house with an area of 180 m2. The building was equipped with mechanical ventilation with the possibility of varying the airflow. The airflow was calculated as a function of carbon dioxide concentration. The presence of people in selected rooms was an internal source of carbon dioxide. In order to properly design of a ventilation system and then model the contamination level, ContamW software was used. The year-long cost analysis was carried out for the installation working with variable airflow (day, night). The analysis took into account the price of the electricity used by the fans of Air Handling Unit and meteorological data to estimate the power input to the heater of the Unit. Different scenarios of system operation were included as an input data in order to find a difference in energy consumption. The calculations were to answer the question of whether it is necessary to apply expensive and advanced system that enables individual control of the airflow in every room or use the simple control of the central unit to vary the airflow in the ventilation system of single-family houses. The difference in operating cost between the system that maintains 800 and 600 ppm reaches 100 % and demonstrates the need of simple demand controlled ventilation system.

Słowa kluczowe

EN

air flow modelling; carbon dioxide concentration; energy demand; operating cost; variable air flow

PL

modelowanie przepływu powietrza; stężenie dwutlenku węgla; zapotrzebowanie na energię; koszt eksploatacji; zmienny przepływ powietrza

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2020
• Tom: Vol. 27, nr 3
• Strony: 387--402
• Opis fizyczny: Bibliogr. 34 poz., rys., wykr., tab.

Twórcy

autor

Müller Jarosław

• Laboratory of Heating, Ventilation, Air Conditioning and Refrigeration, Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, Poland, phone [phone]

autor

Dębowski Maciej

• Laboratory of Heating, Ventilation, Air Conditioning and Refrigeration, Cracow University of Technology, ul. Warszawska 24, 31-155 Kraków, Poland, phone [phone]

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).