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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.

Zintegrowany proces projektowy w praktyce

Stec W., Bać A., Cebrat K.

Instal

2012

nr 1

8-12

Praca, na wybranym przykładzie, omawia formę przeprowadzonych na etapie koncepcji architektonicznej optymalizacji budynku. Wskazuje, jaki wpływ miały analizy różnych strategii odnośnie do wentylacji, ogrzewania, chłodzenia, poziomu komfortu i doświetlenia wnętrz, ilości przeszkleń i typów materiałów, na decyzje projektowe architektów i wytyczne stawiane przez inwestorów na etapie projektu budowlanego.

The work shows, on one example, how a building optimization was carried out during the design process of a single family detached house. It explains, what effect the analysis of ventilation, heating/cooling, thermal comfort and lighting strategies, have on the final architectural concept, as well as, how it influences the final costs of the building. The paper identifies the benefits fromof applying the use of an integrated building design process and the use of optimization tools on the building quality. The study is based on the design of thea single family detached house near Wroclaw. The proposed design process allowed to size thea great number of building elements in order to define thean equilibrium in between the building costs, energy consumption, comfort, functionality, durability and architectural quality, – thuswhich are the most of the criteria whichthat make thea building to be truly sustainable.