Ventilation and indoor air quality in the classroom

Kapalo P.

Technical University of Kosice, Slovakia

his paper highlights the importance of environmental protection regarding the reduction of energy consumption while keeping the living standard. In low energy houses, up to 80 % of the total heat is consumed for the heating of fresh air for a comfortable environment. The aim of this article is to examine the effect of temperature, humidity, air velocity and concentration of carbon dioxide in regard to the human behaviour in indoor environment with natural ventilation, i.e. without a ventilation device, where ventilation is forced or an air conditioning.

1. EuroACE, Towards Energy Efficient Buildings in Europe, final report June, 2004.
2. Vaňo B., Jurčová D., Mészáros J. 2002. Prognosis of development population in Slovakia by the year 2050. Institute of informatics and statistics. Bratislava, 11.2002, Acts.
3. Porhincak M., Estokova A., Paulikova A. 2012. Environmental analysis of partition walls in terms of embodied carbon, sulphur dioxide and energy consuption . In: WateEng12 : 4th International Conference on Engineering for Waste and Biomass Valorisation : proceedings : Vol. 5 : September 10–13, 2012, Porto, Portugal. – Prifysgol : Swansea niversity, 2012. – P. 1545–1550. – ISBN 979-10-91526-00-5.
4. Gebauer G., Rubínová O., Horká H. Ventilation Technic. 2005. ERA group, spol. s.r.o., Brno. ISBN 80-7366-027-X.
5. Persily A. 1997. Evaluating building IAQ and ventilation with indoor carbon dioxide. Transactions American society of heating refrigerating and air conditioning engineers, 1997. – P. 193–204, ASHRAE.
6. Doležílková H. 2007. Residential microenvironment. PhD thesis. Czech Technical University in Prague, Faculty of Civil Engineering. 2007.
8. STN EN 13 779:2007 Ventilation in non-residential buildings. General requirements for ventilation and air conditioning equipments.
9. STN EN 15251:2007 Indoor environmental input parameters for design and assessment of energy performance of buildings addressing indoor air quality, thermal environment, lighting and acoustics.
10. Ventilljuvannia primiščeň / S. S. Žukovskij, O. T. Voznjak, O. M. Dovbuš, Z. S. Ljuľčak. – Lviv : Vidavnictvo Nacionalnovo universiteta „Lvivska politechnika“ 2007, ISBN 978-966-553-645-1, str. 45–47. 5. STN 730540: 2002, Thermal performance of buildings and constructions.
11. Nagy R., Košičanová D. 2012. Indoor Envirinment, Air Quality, Ventilation Rates – Numerical CFD Simulations, Calculations and Measuring Apparatus Applications In: Czasopismo Techniczne. – 2012. – Vol. 109, № 3. – P. 281–295. – ISSN 0011-456.