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1.
Stimulating integral refurbishment principles in social housing as a challenge for sustainable development : case study
Metka Sitar, Vesna Žegarac Leskovar, Vlasta Krmelj, 2009, objavljeni znanstveni prispevek na konferenci

Opis: Circumstances of climate changes have raised the awareness of the role housingconstruction activity plays in being one of the major stimuli of socio-economic processes in Slovenia. Further encouragement came through corresponding EU-strategies focusing not only on new housing constructions butalso on refurbishment and renewal of the existing stock, which has been rather neglected. Firstly, information on the Slovenian housing system along with institutional and governance changes - having taken place since 1991 - will be presented, particularly in terms of tenure and housing ownership. In the middle of the 1990s, fragmented ownership was regulated by the formation of condominiums as the basis of housing management and maintenance. Further on, special attention will be paid to newly introduced policies concerning energy efficiency of building constructions at the national level. In addition, the paper will concentrate on endeavours to refurbish the existing multi-family housing stock which represents the most problematic financial issue in terms of a long term investment perspective. Slovenia has in fact notdeveloped any special policies regarding refurbishment of the existing housing stock, either at the national, or at the local level. The housing development sector of the Municipality of Maribor is one of the most significant cases in Slovenia, as far as transition consequences to be effected in the social housing sector are concerned. However, the transformation from an old industrial town into a sustainable community was characterized by extreme complexity. Relying upon its own development strategies the local building construction sector succeeded in remaining one of the most dynamic economic activities of the town and the region. As a recommendation, ideas of energy renewal strategies and measures, based on the local energy concept and supported by financial mechanisms of public private partnership, will be discussed.
Ključne besede: Slovenia, Maribor, housing, refurbishment, energy efficiency, local energy concept, public intermunicipal housing fund
Objavljeno: 31.05.2012; Ogledov: 1054; Prenosov: 23
URL Celotno besedilo (0,00 KB)
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2.
Single-hop vs. multi-hop - energy efficiency analysis in wireless sensor networks
Uroš Pešović, Jože Mohorko, Karl Benkič, Žarko Čučej, 2010, objavljeni znanstveni prispevek na konferenci

Ključne besede: single-hop, multi-hop, wireless sensor networks, energy efficiency
Objavljeno: 31.05.2012; Ogledov: 849; Prenosov: 13
URL Celotno besedilo (0,00 KB)

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Energy efficiency of fuzzy approach in controlling traffic signalization
Tea Vizinger, Janez Usenik, 2010, izvirni znanstveni članek

Ključne besede: crossroads, traffic signalization, control, fuzzy logic, energy efficiency
Objavljeno: 05.06.2012; Ogledov: 739; Prenosov: 16
URL Celotno besedilo (0,00 KB)

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ENERGY MANAGEMENT AS A TOOL FOR ENERGY EFFICIENCY IN THE COMPANY KOPUN SIMTO Ltd.
Kaja Černjavič, 2013, magistrsko delo

Opis: The problem we referred to is great and mostly uncontrolled energy consumption in the public and private sector not just in Slovenia but also in other countries around the world. In Europe some restrictions were met, which resulted in 2009 in a new standard, the EN 16001:2009, two years later the International Standardization Body issued the ISO 50001:2011, energy management standard. With the help of a case study potential in energy and emissions as well as overall environmental protection was presented. All anticipated research methods were followed, hypothesises set in the introduction were carefully researched and mainly proven to be right whereas some, hypothesis one and two, connected with the increase of energy consumption in Slovenia and hypothesis two, number of certificates per capita, were refuted. The overall consumption of energy in Slovenia decreased (table 2, page 15) in the year 2011 compared to 2010. Slovenia is also not the country with the lowest number of issued energy certificates per capita; Portugal has two (picture 1, page 35). Hypothesises three to five linked to the study case were fully proven to be right; the company did not have an energy management programme but the owners were fully aware of the possibilities of energy savings. There was as well energy savings potential, proven to be even more that the first anticipated 50-percent. Our conclusion is that energy management plays a key role in sustainable development and environment conservation practices, as it helps the country move towards an energy efficient economy. With the help of the case study we made a good illustration how a micro company saved 75-percent of energy costs in the first year, by using energy management as a tool. The main and general changes enhanced the company’s energy efficiency, taught employees some basic techniques for achieving greater energy efficiency and cost reduction not just inside the organization but also in family homes. It is important, that expenditures concerning energy purchase and consumption are exactly defined. Before the implementation and certainly after it, energy management accounting and energy management audits should be performed. This serves as a tool to realize and understand the full spectrum of the environmental costs and helps to create internal demand in businesses for cleaner and less wasteful production processes. It gives organizations a preferential position to engage in pollution prevention activities mainly because it makes good business sense due to the immediate financial benefits it delivers. The prime goal of the thesis was to stimulate organizations to implement the concepts of energy management practices into their organizational structure and to use energy management systems for lowering energy and other environmental costs, no matter the size or segment the organization. There is no need to get certified if not wanted; just performing these activities is enough, as it brings all the benefits to the environment. Helping to achieve this goal is now mainly in the hands of others, it is important how the country will act and react and help organizations to achieve this goal. Different restrictions can be met on the field of law and taxes, subsidies, etc. We believe that, for meeting all the required goals (Kyoto protocol and other) and help the economy to move towards a sustainable one, organizations will have to reorganize their structures and implement energy management. There are big potentials in reduction of emissions and energy consumption, with energy management, organizations can get the help and knowledge how to keep the budget of energy consumption as low as possible, how to meet all the critical objectives and also important, reduce their operational costs on a long-term basis.
Ključne besede: energy management, energy efficiency, energy conservation, energy consumption, energy accounting and auditing, energy manager, International Standards Organization (ISO), energy management system EnMS, cost efficiency
Objavljeno: 19.05.2014; Ogledov: 762; Prenosov: 46
.pdf Celotno besedilo (1,68 MB)

9.
Exploring the impact of energy efficiency technologies on firm performance
Marc Pons, Andrea Bikfalvi, Josep Llach Pagès, Iztok Palčič, 2012, objavljeni znanstveni prispevek na konferenci

Opis: The objective of this paper is firstly to map the adoption of the technologies for reduction of energy and resources consumption in production and, second, to verify the relationship between their implementation and the performance of the firm. The aim is also to contribute to the identification and understanding of the characteristics of the manufacturing firms that use this kind of innovative technologies in order to help policy makers to promote this strategic field in a suitable manner. Our suggested models give rise to explain how significant energy efficiency is, and how much of the variability in economic performance and environmental performance indicators can it explain.
Ključne besede: energy efficiency, economic performance, environmental performance
Objavljeno: 10.07.2015; Ogledov: 290; Prenosov: 5
URL Celotno besedilo (0,00 KB)

10.
Impact of the proportion of glazing surface in south facade on energy efficiency of prefabricated timber buildings
Miroslav Premrov, Vesna Žegarac Leskovar, 2011, izvirni znanstveni članek

Opis: The paper presents the reasonability of using an increased proportion of glazing surfaces in prefabricated timberframe structural systems with a special focus on the energy certification of the building. The research is based on a case study of a two-storey house with a prefabricated timber-frame as well as with cross-laminated structural system with a parametric analysis of an increased-proportion-of-the-glazing-surfaces impact on south side of thebuilding, taking the climate data for Ljubljana into consideration. The analysis was carried out on different exterior wall elements having different thermal properties, while the rest of the parameters, such as the ground plan of the model as well as the active systems, roof and floor slab assemblies remain constant. The graphical presentation includes a function curve showing the annual energy demand for heating and cooling depending on the proportion of the glazing area in relation to the total surface area of the south façade of the building.
Ključne besede: energy-efficiency, timber building, prefabricated walls, glass
Objavljeno: 10.07.2015; Ogledov: 387; Prenosov: 7
URL Celotno besedilo (0,00 KB)

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