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Analysis of heat demand and thermal comfort in naturally ventilated single-family houses of various constructions

Ferdyn-Grygierek Joanna, Grygierek Krzysztof, Gumińska Jolanta, Baran Łukasz, Barwa Magdalena, Czerw Kamil, Gowik Paulina, Makselan Klaudia, Potyka Klaudia, Psikuta Agnes

Architecture Civil Engineering Environment

2020

Vol. 13, no. 3

63--71

The aim of the paper was a comparative analysis of energy demand for heating and human thermal comfort of a model singlefamily house with natural ventilation in various construction technologies (wood and brick), located in the Polish temperate climate. The frequency, as well as, the window opening area in the building have been optimized taking into account two objective functions: heating demand and number of thermal discomfort hours. The analyses were based on thermal simulations using the EnergyPlus program on the nine-zone model of the selected house. Each building construction case was calculated for two variants of external partitions insulation. The thermal model, separately for each zone, contained hourly internal heat gain schedules. All simulations were carried out with a 15-minute step for the full calendar year. Analyzes have shown that the heating demand for a building made in wooden technology is higher than a building in brick technology. The wooden building has a greater number of thermal discomfort hours. Increasing the insulation properties of the house increases the number of hours of discomfort.

Ocena stopnia zużycia budynków murowanych

Leleń S., Orłowicz R.

Zeszyty Naukowe. Budownictwo i Inżynieria Środowiska / Akademia Techniczno-Rolnicza w Bydgoszczy

2001

Z. 32(235)

135-141

W artykule przedstawiono dotychczasowe metody określania stopnia technicznego zużycia budynków murowanych, używane przez rzeczoznawców majątkowych. Omówiono błędy w szacowaniu tych wartości, mogące wynikać z bezkrytycznego stosowania popularnych wzorów. Zaproponowano kilka nowych sposobów rozwiązania tego problemu.

The article covers present methods for determination of the degree of brickwork wear and tear being used by experts. It discusses errors in determining these values caused by indiscriminate use of known formulas. It proposed some new methods for handling of the issue