| Abstract [eng] |
This MA project analyses the choice and technology of instalment of skylights. The purpose of this project is to study and analyse the proper selection and instalment technique of skylights, as well as to offer a rational proposal for the building related to this project. This thesis engages with the results of scholarly publications, research done in this field, and the specifications and usage of items used in this particular practice. In addition, it will include the synopsis of the requirements for the skylights, key factors that determine their selection, and the analysis of the skylight installation technology. The study includes the investigation of a building, in which three alternatives for products are being modelled and calculations for generated daylight are being made. The section on research methodology provides information about the statistics which were applied in the analysis along with the multi-criteria evaluation methodology. It also provides information about the evaluation sheet, as well as respondents, which was used for experimental ranking of evaluation criteria. The conclusion describes the modelling of natural daylight for different alternatives. The evidence shows that the best illumination for a room was achieved by using skylights, while the worst results came from using solar tube. The results of experimental evaluation sheets showed the importance of subjective criteria, and established the ranks of skylight’s evaluation criteria: K4 criteria – warmth transmission coefficient (U value, W/m2K); K1 criteria – the cost of production (Euro/m2); K5 criteria – the amount of natural illumination in a given building (the average in luxes); K6 criteria – the given period of guarantee (in months); K7 – the class of flammability of glazing materials (grades from 1 to 7); K3 – permeability of light (in percents); K2 – the cost of installation (Euro/m2). Using the entropy methodology, the significance of theoretical and combined criteria was determined. The rankings according to priority are as follows: Theoretical significance - K2 – the cost of installation (Euro/m2); K1 – the cost of production (Euro/m2); K7 – the class of flammability of glazing materials (grades from 1 to 7); K4 – warmth transmission coefficient, U value (W/m2K); K3 – permeability of light (in percents); K5 – the amount of natural illumination in a given building (lx); K6 – the given period of guarantee (in months). Combined importance - K1 – the cost of production (Euro/m2); K2 – the cost of installation (Euro/m2); K7 – the class of flammability of glazing materials (grades from 1 to 7); K4 – warmth transmission coefficient, U value (W/m2K); K3 – permeability of light (in percents); K5 – the amount of natural illumination in a given building (lx); K6 – the given period of guarantee (in months). Based on multi-criteria significance of value methodology, the degree of efectiveness of alternatives which had been studied was established. As a result, the most rational alternative was determined – skylights. The topic being analysed in this project requires particular knowledge. Frequently, people involved in the project and responsible for choosing the necessary products are lacking specific expertise. Therefore, the topic being studied is relevant in terms of avoiding mistakes in applying and and installing skylights. This MA project consists of introduction, four chapters, conclusions, bibliography, and additional information. The lenght of the project is 93 pages; 85 images; 20 tables; 33 reference citations; and 4 additional information. |
