Open Access (Artykuł w pliku PDF)

Analysis of overheating cases of apartments on the top floor in buildings in traditional technology

dr inż. Iwona Pokorska-Silva, Politechnika Śląska, Wydział Budownictwa
ORCID: 0000-0003-0895-6587
dr hab. inż. Artur Nowoświat, prof. PŚ., Politechnika Śląska, Wydział Budownictwa
ORCID: 0000-0002-0277-7388

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DOI: 10.15199/33.2023.11.05
Studium przypadku

Streszczenie. Przegrzewanie pomieszczeń ostatniej kondygnacji sprawia, że komfort cieplny nie jest zachowany. W krajach takich jak Polska, gdzie nie używa się powszechnie klimatyzacji, problem ten jest szczególnie widoczny. W celu jego dokładnego zbadania wykonano w okresie letnim pomiary temperatury w pomieszczeniach budynków mieszkalnych wybudowanych w technologii tradycyjnej. Badania te potwierdziły problem przegrzewania tych pomieszczeń, dlatego też analizowano rozkład temperatury w miesiącach letnich w pomieszczeniach poddasza i niższych kondygnacji. Przeprowadzono również pomiar temperatury oraz symulacje numeryczne w budynku testowym. Ponadto wykazano wpływ wskaźnika utrzymania ciepła na średnią, maksymalną i minimalną temperaturę w pomieszczeniach. Za pomocą symulacji w ESP-r pokazano wpływ wskaźnika utrzymania ciepła na rozrzut wyników, gdyż okazuje się, że im większa jest jego wartość, tym rozrzut temperatury w ciągu doby jest mniejszy.
Słowa kluczowe: komfort cieplny; przegrzewanie mieszkań; rozkład temperatury; wskaźnik trzymania ciepła.

Abstract. It is commonly known that thermal comfort in the rooms on top floors is interrelatedwith their overheating. In regions (such as Poland) where air conditioning is not widely used, this problem is particularly evident. In order to thoroughly examine it, temperature measurements were made in the summer period. The measurements were made in the living quarters of buildings constructed in a traditional technology. The tests carried out confirmed that the top-floor rooms were subject to overheating. Therefore, the analysis involved also temperature distribution during the summermonths both for attic rooms and rooms on lower floors. Temperature measurement and numerical measurement were also carried out in the test building. Moreover, the impact of the heat retention rate on the average, maximum, and minimum roomtemperatureswas determined. First of all, using the simulation in ESP-r, the impact of heat retention rate on the scatter of results was demonstrated, since it turns out that the higher the value of heat retention rate, the smaller the temperature spread during the day.
Keywords: thermal comfort; overheating of apartments; temperature distribution; heat retention index.

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Przyjęto do druku: 18.10.2023 r.

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