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1
Content available remote Civil environmental engineering education
100%
EN
To keep with the modern world as the civil engineering is the heart of a nation's economy we need to discuss about the quality in civil environmental engineering education. In order to be able to discuss about the quality, we need to know how the quality is measured and how to define quality in education generally. It is possible to agree that very often main goals of the study are implicit. In order to give answer on the quality process question or to give our own view on the problem of goals, subgoals, policies, strategy or evaluation of civil environmental engineering education we try to introduce the present state of our educational process as well as our experiences. Some basic consideration to new views for understanding of relationships between civil and environmental engineering education are presented. Believing of moral responsibility to coming generations for civil environmental education we welcome to a new kind of science. Actual environmental civil engineering study course is presented.
2
Content available remote Introduction to indoor odours problem
63%
EN
Humans are constantly exposed to varying levels of air quality. Lowered indoor air quality could manifest the increased occurrence odours, which is recorded in the present. Therefore is the need to deal with the indoor odours problem. This paper is presented to introduction to indoor odour problems. Its aim was is to present the basic knowledge about odours, how is odours characteristics, sources, effects on human, hygienic criteria and methods of measurement.
3
Content available remote Different radon areas and indoor radon concentration
63%
EN
Indoor radon has been observed in Slovak school buildings at areas with different radon risk potential. The school buildings are located in the South-east part of Slovakia, where the risk is much more higher. Measurements were made with a "RM-1" the integral dosimetry system. Concentration of indoor radon varied from 61 Bq/m3 to 960 Bq/m3. Remedial actions in buildings built at high radon risk areas was carried out principally by unforced ventilation and anti-radon insulation. Significant differences were found in the level of radon concentration between rooms where radon reduction techniques were designed and those where it was not designed.
4
Content available remote Indoor construction surfaces and dust problem
63%
EN
The research study presented in this paper is oriented to indoor particles presence problem with concentration to determination of indoor construction's surfaces roughness influence rate. The results suggest evident influence of the indoor surfaces roughness to level of paniculate matter occurrence. Various particulate matter concentrations were recorded by a both considered parameters of roughness (Rz <100microm. and Rz > 100microm.). Different concentrations are evident by measurement performed in model experimental and operative custom mode conditions. The total evaluation concentrations show, that the lower PM10 concentrations are achieve by rougher surfaces of building constructions on account a higher fixation rate of particles than on fine finish surfaces (higher concentrations).
5
63%
EN
Nitrogen oxides are mainly produced by combustion at high temperatures and are formed by reactions between nitrogen and oxygen. People are mainly exposed to indoor nitrogen oxides. Indoor air can be contaminated from the use of gas for. heating and cooking appliance. The most important indoor source of nitrogen oxides is gas burning in the kitchen. The effect of wooden and plastic windows on the level of NOx concentrations is described in this article. It was confirmed necessarily of air change.
6
Content available remote Indoor Air Quality - measurements and CFD simulations
63%
EN
This paper presents an experimental building recently completed and currently occupied. The paper contains a brief description of the building, the method and location of the measurement equipments and monitoring of the building's operation. Initial results show that the operation of the building meets some of the requirements for passive buildings.
PL
Artykuł porównuje 5 systemów obiegu powietrza i 17 schematów obiegu powietrza. Skonfrontowane zostały wyniki symulacji CFD i doświadczalne pomiary rzeczywiste. Badania określają także efektywność wentylacji indywidualnie dla każdego systemu wentylacji, a także ujawniają niejednorodne zanieczyszczenie w kontekście zmian schematu obiegu powietrza. Wiele różnych poszukiwań odpowiedzi na nurtujące pytania wskazuje na to, że problemy IAQ pojawiają się nie tylko z powodu niewystarczającej wentylacji, ale także w przypadku, gdy umiejscowienie czerpni i wyrzutni nie jest właściwe.
7
Content available remote Multi-criterion analysis of BEAS - energy performance indicators
51%
EN
Building environmental assessment systems and tools used over the world were the base of new system development for Slovak conditions. The proposed fields are site selection and project planning; building construction; indoors environmental quality; energy performance; water and waste management. The fields and indicators were proposed on the bases of available information analysis from particular fields of building environmental assessment and also on the base of our experiments.
PL
Środowiskowe systemy oceny budynków i narzędzia używane na całym świecie były podstawą opracowania nowego systemu dla obszarów na Słowacji. Proponowane obszary to: wybór lokalizacji i założenia projektowe, konstrukcja budynku, jakość środowiska wewnętrznego, wydajność energetyczna, woda i gospodarka odpadami. Cele i wskaźniki zostały zaproponowane na podstawy analizy dostępnych informacji z poszczególnych dziedzin oceny oceny oddziaływania budynku na środowisko, a także na podstawie naszych doświadczeń eksperymentalnych.
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