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The article presents the results of a set of hygrothermal experiments of an external wall insulated with an ETICS. As an add-on to previous studies, thermal insulation in the form of polystyrene with an additional horizontal strip of mineral wool was used. Laboratory tests were carried out in accordance with ETAG 004. The ETICS test rig was composed of combustible expanded polystyrene foam (EPS) and horizontal strips of noncombustible mineral wool (MW) fire barriers over windows. The physical and mechanical properties of four types of finishing renders (without an additional reinforcement mesh in base coat of the fire barriers) were analyzed across full hygrothermal cycles in a climate chamber. Temperature sensors were mounted onto different ETICS layers to collect thermal data during the weathering. The testing of ETICS regarding their hygrothermal performance revealed that there were no visible defects on any renderings and over the junctions depending on the type of used insulation materials. Results also showed that the joints of EPS and MW have approximately half of their bond strength from polystyrene strength.
Rosita Norvaišienė; Paweł Krause; Vincent Buhagiar; Arūnas Burlingis. Resistance of ETICS with Fire Barriers to Cyclic Hygrothermal Impact. Sustainability 2021, 13, 9220 .
AMA StyleRosita Norvaišienė, Paweł Krause, Vincent Buhagiar, Arūnas Burlingis. Resistance of ETICS with Fire Barriers to Cyclic Hygrothermal Impact. Sustainability. 2021; 13 (16):9220.
Chicago/Turabian StyleRosita Norvaišienė; Paweł Krause; Vincent Buhagiar; Arūnas Burlingis. 2021. "Resistance of ETICS with Fire Barriers to Cyclic Hygrothermal Impact." Sustainability 13, no. 16: 9220.
Energy performance certificates (EPC) are obligatory for new and existing buildings in all European Union (EU) Member states, and provide not only the characteristics of individual buildings but are also useful for energy management and planning. However, despite the current widespread of EPC analyses in other European countries, the information of national EPC cadastre in Lithuania is hardly adapted in research studies. This paper presents an overview of the energy performance of Lithuanian residential building stock using data from the national EPC register. The results determine the current situation in Lithuanian residential buildings emphasizing CO2 emissions and their dependencies on different heating systems during latter 5 years. The findings of this research could be used as guidance for management of CO2 emissions in order to comply with the EU requirements by 2050. Moreover, the recommendations for the extended scope of national EPC content are also proposed.
Gintė Jonkutė-Vilkė; Rosita Norvaišienė; Karolis Banionis; Edmundas Monstvilas; Raimondas Bliūdžius. Analysis of carbon dioxide emissions in residential buildings through energy performance certification in Lithuania. Energy Sources, Part B: Economics, Planning, and Policy 2020, 1 -18.
AMA StyleGintė Jonkutė-Vilkė, Rosita Norvaišienė, Karolis Banionis, Edmundas Monstvilas, Raimondas Bliūdžius. Analysis of carbon dioxide emissions in residential buildings through energy performance certification in Lithuania. Energy Sources, Part B: Economics, Planning, and Policy. 2020; ():1-18.
Chicago/Turabian StyleGintė Jonkutė-Vilkė; Rosita Norvaišienė; Karolis Banionis; Edmundas Monstvilas; Raimondas Bliūdžius. 2020. "Analysis of carbon dioxide emissions in residential buildings through energy performance certification in Lithuania." Energy Sources, Part B: Economics, Planning, and Policy , no. : 1-18.
This paper is the research output of the laboratory ageing of external thermal insulation composite systems (ETICS). This was carried out in order to study the changes in properties of systems consisting of combustible and non-combustible thermal insulation materials, and four different types of finishing renders. Four types of the widely used, thin-layer facade rendering systems were subjected to hydrothermal cycles in a climate chamber in conformity with ETAG 004 guidelines. Analysis of the physical and mechanical properties (i.e., variation of temperature, water absorption, bond strength and mechanical resistance) of four types of ETICS are presented. This study indicates that there are no visible defects on any renderings over the junctions between polystyrene foam (EPS) and mineral wool (MW) materials when applied in ETICS.
Rosita Norvaisiene; Paweł Krause; Vincent Buhagiar; Arūnas Burlingis; Kestutis Miskinis. Verification of External Thermal Insulation Systems with Composite Thermal Insulation and Different Renders in Effect of Hydrothermal Stress. Proceedings 2020, 51, 16 .
AMA StyleRosita Norvaisiene, Paweł Krause, Vincent Buhagiar, Arūnas Burlingis, Kestutis Miskinis. Verification of External Thermal Insulation Systems with Composite Thermal Insulation and Different Renders in Effect of Hydrothermal Stress. Proceedings. 2020; 51 (1):16.
Chicago/Turabian StyleRosita Norvaisiene; Paweł Krause; Vincent Buhagiar; Arūnas Burlingis; Kestutis Miskinis. 2020. "Verification of External Thermal Insulation Systems with Composite Thermal Insulation and Different Renders in Effect of Hydrothermal Stress." Proceedings 51, no. 1: 16.
C. Cristofari; M.B. Carutasiu; J.L. Canaletti; Rosita Norvaisiene; F. Motte; G. Notton. Building integration of solar thermal systems-example of a refurbishment of a church rectory. Renewable Energy 2019, 137, 67 -81.
AMA StyleC. Cristofari, M.B. Carutasiu, J.L. Canaletti, Rosita Norvaisiene, F. Motte, G. Notton. Building integration of solar thermal systems-example of a refurbishment of a church rectory. Renewable Energy. 2019; 137 ():67-81.
Chicago/Turabian StyleC. Cristofari; M.B. Carutasiu; J.L. Canaletti; Rosita Norvaisiene; F. Motte; G. Notton. 2019. "Building integration of solar thermal systems-example of a refurbishment of a church rectory." Renewable Energy 137, no. : 67-81.
This article represents the result of experimental research on transient heat transfer in a multilayered (heterogeneous) wall. Our non-steady thermal transmission simulation is based on a finite-difference calculation method. The value of a Fourier number shows the similarity of thermal variation in conditional layers of an enclosure. Most scientists recommend using no more than a value of 0.5 for the Fourier number when performing calculations on dynamic (transient) heat transfer. The value of the Fourier number is determined in order to acquire reliable calculation results with optimal accuracy. To compare the results of simulation with experimental research, a transient heat transfer calculation spreadsheet was created. Our research has shown that a Fourier number of around 0.5 or even 0.32 is not sufficient (\({\approx }17\,\%\) of oscillation amplitude) for calculations of transient heat transfer in a multilayered wall. The least distorted calculation results were obtained when the multilayered enclosure was divided into conditional layers with almost equal Fourier number values and when the value of the Fourier number was around 1/6, i.e., approximately 0.17. Statistical deviation analysis using the Statistical Analysis System was applied to assess the accuracy of the spreadsheet calculation and was developed on the basis of our established methodology. The mean and median absolute error as well as their confidence intervals has been estimated by the two methods with optimal accuracy (\({F}_{\mathrm{oMDF}}= 0.177\) and \(F_{\mathrm{oEPS}}= 0.1633\) values).
P. Bruzgevičius; A. Burlingis; R. Norvaišienė. Determination of the Optimal Fourier Number on the Dynamic Thermal Transmission. International Journal of Thermophysics 2016, 37, 115 .
AMA StyleP. Bruzgevičius, A. Burlingis, R. Norvaišienė. Determination of the Optimal Fourier Number on the Dynamic Thermal Transmission. International Journal of Thermophysics. 2016; 37 (12):115.
Chicago/Turabian StyleP. Bruzgevičius; A. Burlingis; R. Norvaišienė. 2016. "Determination of the Optimal Fourier Number on the Dynamic Thermal Transmission." International Journal of Thermophysics 37, no. 12: 115.
C. Cristofari; R. Norvaišienė; J.L. Canaletti; G. Notton. Innovative alternative solar thermal solutions for housing in conservation-area sites listed as national heritage assets. Energy and Buildings 2015, 89, 123 -131.
AMA StyleC. Cristofari, R. Norvaišienė, J.L. Canaletti, G. Notton. Innovative alternative solar thermal solutions for housing in conservation-area sites listed as national heritage assets. Energy and Buildings. 2015; 89 ():123-131.
Chicago/Turabian StyleC. Cristofari; R. Norvaišienė; J.L. Canaletti; G. Notton. 2015. "Innovative alternative solar thermal solutions for housing in conservation-area sites listed as national heritage assets." Energy and Buildings 89, no. : 123-131.
The purpose of this research is to determine the actual effective thermal capacitance of the building envelope in respect of the place of thermal layer in the enclosure. The actual effective thermal capacitance of the building envelope is estimated by calculating the thermal capacitance of building enclosure layers in order to find out the active thermal capacitance of the enclosure. This research analyses unsteady heat transfer cases. The calculation principle of such transfers is based on the finite elements method. The specific value of the Fourier number, which gives calculations the optimal accuracy, is determined. This paper also discusses three types of envelope constructions. In all three cases, thermal resistance of the envelopes coincides; only the position of thermal insulation layer in the envelopes is different. In all three cases, time delay of the indoor air temperature in respect of the outdoor air temperature, as well as decrement factors of the oscillation amplitude are calculated. These factors of inertia were determined at the continuous outdoor air temperature oscillation. The research revealed that continuous outdoor air temperature oscillations through multi-layered building enclosures are suppressed by high thermal capacitance enclosure layers, independently from their position. High thermal capacitance enclosure layers oriented to the interior of the premises suppress the fluctuations more efficiently than those oriented to the exterior.DOI: http://dx.doi.org/10.5755/j01.sace.1.2.3543
Patrikas Bruzgevičius; Arūnas Burlingis; Vytautas Stankevicius; Darius Pupeikis; Rosita Norvaišienė; Karolis Banionis. Investigation into thermal capacitance of the building envelope. Journal of Sustainable Architecture and Civil Engineering 2013, 1, 40-49 .
AMA StylePatrikas Bruzgevičius, Arūnas Burlingis, Vytautas Stankevicius, Darius Pupeikis, Rosita Norvaišienė, Karolis Banionis. Investigation into thermal capacitance of the building envelope. Journal of Sustainable Architecture and Civil Engineering. 2013; 1 (2):40-49.
Chicago/Turabian StylePatrikas Bruzgevičius; Arūnas Burlingis; Vytautas Stankevicius; Darius Pupeikis; Rosita Norvaišienė; Karolis Banionis. 2013. "Investigation into thermal capacitance of the building envelope." Journal of Sustainable Architecture and Civil Engineering 1, no. 2: 40-49.
This paper provides initial results from experimental work on the durability of external thermal insulation composite system (ETICS). In order to predict service life of ETICS, the accelerated climatic cycle was composed on the basis of earlier scientific research and the statistic data of the Lithuanian climate. The research aims to assess the durability and service life of finishing coat by calculating the amount of moisture while measuring the 24 h water absorption of the samples during water absorption and drying testing either by measuring the changes of bond strength. The offered accelerated weathering cycle could be useful for ETICS manufacturers and it could be used for testing and proof of highly frost-resistant products.DOI: http://dx.doi.org/10.5755/j01.ms.19.1.3834
Rosita Norvaisiene; Gintarė GRICIUTĖ; Raimondas Bliūdžius; Juozas Ramanauskas. The Changes of Moisture Absorption Properties during the Service Life of External Thermal Insulation Composite System. Materials Science 2013, 19, 103-107 .
AMA StyleRosita Norvaisiene, Gintarė GRICIUTĖ, Raimondas Bliūdžius, Juozas Ramanauskas. The Changes of Moisture Absorption Properties during the Service Life of External Thermal Insulation Composite System. Materials Science. 2013; 19 (1):103-107.
Chicago/Turabian StyleRosita Norvaisiene; Gintarė GRICIUTĖ; Raimondas Bliūdžius; Juozas Ramanauskas. 2013. "The Changes of Moisture Absorption Properties during the Service Life of External Thermal Insulation Composite System." Materials Science 19, no. 1: 103-107.
The aim of the research was to evaluate an influence of floating floor construction specimen size on weighted reduction in impact sound pressure level ΔLW. The large size (area ≥10 m2) specimens should be used according to LST EN ISO 10140 series standards. The problem is that produce large specimens is expensive and time-consuming process. So more rapid and cheaper way is to use smaller size (area <10 m2) specimens and perform measurements in real buildings with similar test conditions as in laboratory. For evaluation of the specimen size influence on reduction in impact sound pressure level ΔLW value sand/cement screed area discreetly was reduced from 13.4 m2 down to 0.5 m2. The test results showed strong dependence of reduction in weighted impact sound pressure level from specimen size. Relying on the test data it was derived relationship which could be applied for the correction of the determined ΔLW values when smaller size specimens (area <10 m2) of floating floor constructions are used.DOI: http://dx.doi.org/10.5755/j01.ms.18.1.1350
Kęstutis Miškinis; Vidmantas Dikavičius; Juozas Ramanauskas; Rosita Norvaisiene. Dependence between Reduction of Weighted Impact Sound Pressure Level and Specimen Size of Floating Floor Construction. Materials Science 2012, 18, 93-97 .
AMA StyleKęstutis Miškinis, Vidmantas Dikavičius, Juozas Ramanauskas, Rosita Norvaisiene. Dependence between Reduction of Weighted Impact Sound Pressure Level and Specimen Size of Floating Floor Construction. Materials Science. 2012; 18 (1):93-97.
Chicago/Turabian StyleKęstutis Miškinis; Vidmantas Dikavičius; Juozas Ramanauskas; Rosita Norvaisiene. 2012. "Dependence between Reduction of Weighted Impact Sound Pressure Level and Specimen Size of Floating Floor Construction." Materials Science 18, no. 1: 93-97.
The essential function of exterior walls is to provide a continuous barrier to the exterior environmental conditions. The decay of the building facades is accelerated by atmospheric pollution and acidic precipitation. For determining of the impact of atmospheric pollution on the building facade face materials, the tests examining the impact of the cyclic moisturing‐drying have been carried out with the use of acidic water solution to imitate acidic rain. The results of the experiments demonstrated that water solutions have greater destructive effects on the paint film by penetrating through it into the plaster base, thus forming new derivatives in it, which increase water absorption in the plaster base. In order to improve the standard testing on weather resistance of facing building materials, which does not ignore the impact of the atmospheric pollution, for localities where acidic precipitations are frequent, the climatic tests should also include the deteriorating effect of acidic water solutions on facing materials. The results of the experiments will be used for a creation of the prognostic method which will lead to the establishment of a new accelerated climatic ageing test cycle meant for determining a more reliable prognosis of the durability of materials.
Rosita Norvaišiene; Arūnas Burlingis. DURABILITY OF THE PAINTED RENDERED FACADES, WHEN INTRODUCING ARTIFICIAL ACIDIC RAIN SOLUTION. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 2004, 10, 295 -302.
AMA StyleRosita Norvaišiene, Arūnas Burlingis. DURABILITY OF THE PAINTED RENDERED FACADES, WHEN INTRODUCING ARTIFICIAL ACIDIC RAIN SOLUTION. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT. 2004; 10 (4):295-302.
Chicago/Turabian StyleRosita Norvaišiene; Arūnas Burlingis. 2004. "DURABILITY OF THE PAINTED RENDERED FACADES, WHEN INTRODUCING ARTIFICIAL ACIDIC RAIN SOLUTION." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 10, no. 4: 295-302.
The essential function of exterior walls is to provide a continuous barrier to the exterior environmental conditions. The decay of the building facades is accelerated by atmospheric pollution and acidic precipitation. For determining of the impact of atmospheric pollution on the building facade face materials, the tests examining the impact of the cyclic moisturing‐drying have been carried out with the use of acidic water solution to imitate acidic rain. The results of the experiments demonstrated that water solutions have greater destructive effects on the paint film by penetrating through it into the plaster base, thus forming new derivatives in it, which increase water absorption in the plaster base. In order to improve the standard testing on weather resistance of facing building materials, which does not ignore the impact of the atmospheric pollution, for localities where acidic precipitations are frequent, the climatic tests should also include the deteriorating effect of acidic water solutions on facing materials. The results of the experiments will be used for a creation of the prognostic method which will lead to the establishment of a new accelerated climatic ageing test cycle meant for determining a more reliable prognosis of the durability of materials.
Rosita Norvaišiene; Arūnas Burlingis; Vytautas Stankevičius. Durability of the painted rendered facades, when introducing artificial acidic rain solution. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 2004, 10, 295 -302.
AMA StyleRosita Norvaišiene, Arūnas Burlingis, Vytautas Stankevičius. Durability of the painted rendered facades, when introducing artificial acidic rain solution. JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT. 2004; 10 (4):295-302.
Chicago/Turabian StyleRosita Norvaišiene; Arūnas Burlingis; Vytautas Stankevičius. 2004. "Durability of the painted rendered facades, when introducing artificial acidic rain solution." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 10, no. 4: 295-302.