scholarly journals IMPLICATION OF INFILTRATION ON BUILDING ENERGY DEMAND - A REVIEW OF VERIFICATION METHODS

2020 ◽  
Vol 14 (1) ◽  
Author(s):  
Nevena S. Lukić ◽  
Ljiljana Đukanovic ◽  
Ana Radivojević
Keyword(s):  
Energy Efficiency ◽  
Energy Demand ◽  
Housing Stock ◽  
Building Energy ◽  
Verification Methods ◽  
Occupant Comfort ◽  
Standards And Regulations ◽  
Considerable Impact ◽  
Current Standards ◽  
The Eu

Infiltration has a considerable impact on both, energy efficiency and occupant comfort in buildings. Due to the complexity of the analysis of this phenomenon in buildings, the verification methods are very important for its diagnostics and evaluation. In this paper, the matter of infiltration in buildings is being considered referring to both, calculation models and methods, as well as through current standards and regulations in the EU and Serbia. Different valorization methods are presented and analyzed regarding their characteristics, applicability, and complexity. Finally, preliminary infiltration measurements with a pressurization test, conducted on selected buildings of Belgrade housing stock are presented and compared with values defined by the current regulations in Serbia. Results pointed out current problems and the need for improvements regarding the treatment of infiltration in local regulations and practice.

Influence of Shading and Transparent Surfaces on Historical Building Energy Retrofit

2015 ◽  
Vol 737 ◽  
pp. 173-177
Author(s):  
Luca Evangelisti ◽  
Claudia Guattari ◽  
Gabriele Battista ◽  
Luciano Santarpia
Keyword(s):  
Energy Efficiency ◽  
Thermal Properties ◽  
Energy Demand ◽  
Energy Requirement ◽  
Building Energy ◽  
Point Of View ◽  
Historical Building ◽  
Energy Retrofit

This study aims to assess the influence of greenery shading and transparent surfaces on historical building’s energy demand under a retrofit point of view. To achieve this goal, the energy requirement of the whole building has been considered. In order to improve buildings energy efficiency several simulations have been performed. In particular, the effects of some interventions related to different windowed elements, characterized by progressively improved thermal properties, have been taken into account.

Thermal Bridges Minimizing through Typical Details in Low Energy Designing

2014 ◽  
Vol 899 ◽  
pp. 62-65 ◽  
Author(s):  
Rastislav Ingeli ◽  
Boris Vavrovič ◽  
Miroslav Čekon
Keyword(s):  
Energy Efficiency ◽  
Thermal Insulation ◽  
Energy Demand ◽  
Building Energy ◽  
Building Envelope ◽  
Low Energy ◽  
Building Energy Efficiency ◽  
Low Energy Buildings ◽  
Thermal Bridges ◽  
The Impact

Energy demand reduction in buildings is an important measure to achieve climate change mitigation. It is essential to minimize heat losses in designing phase in accordance of building energy efficiency. For building energy efficiency in a mild climate zone, a large part of the heating demand is caused by transmission losses through the building envelope. Building envelopes with high thermal resistance are typical for low-energy buildings in general. In this sense thermal bridges impact increases by using of greater thickness of thermal insulation. This paper is focused on thermal bridges minimizing through typical system details in buildings. The impact of thermal bridges was studied by comparative calculations for a case study of building with different amounts of thermal insulation. The calculated results represent a percentage distribution of heat loss through typical building components in correlation of various thicknesses of their thermal insulations.

Air infiltration through building envelopes: A review

2011 ◽  
Vol 35 (3) ◽  
pp. 267-302 ◽  
Author(s):  
Chadi Younes ◽  
Caesar Abi Shdid ◽  
Girma Bitsuamlak
Keyword(s):  
Indoor Air ◽  
Energy Demand ◽  
Building Energy ◽  
Building Envelope ◽  
Energy Costs ◽  
Air Leakage ◽  
Building Envelopes ◽  
Air Infiltration ◽  
Considerable Impact ◽  
Evaluation Techniques

Air leakage through the building envelope into the building interiors has a considerable impact on the energy loads and consequently energy demand and energy costs of buildings. This phenomenon known as infiltration happens through various openings and venues in the building envelope varying from large openings such as doors and windows to minute cracks and crevices. In addition to impacting building energy loads, infiltration impacts indoor air quality and can result in moisture accumulation problems in the building envelope. A generalized review of infiltration that includes evaluation techniques and models, quantification, and interaction with other heat transfer phenomena is presented in this article.

scholarly journals User Perception of High-Performance Schools

2018 ◽  
Vol 3 (10) ◽  
pp. 191-202
Author(s):  
Mohd Najib Mohd Salleh ◽  
Mohd Zin Kandar ◽  
Siti Rasidah Md Sakip
Keyword(s):  
Energy Efficiency ◽  
Energy Demand ◽  
High Performance ◽  
User Behavior ◽  
Residential Buildings ◽  
Publishing House ◽  
Building Energy ◽  
Building Energy Efficiency ◽  
School Building ◽  
User Perception

Energy demand in buildings can reduce by improving energy efficiency. MS1525 has recommended that energy efficiency for Non-Residential Buildings in Malaysia to be not more than 135kWh/m²/year. A school building is a non-residential building and has major social responsibilities. Based on the theory of building energy-efficiency, energy efficiency can be achieved through three main factors: a) design of buildings; b) design of services; and c) user behavior. This study aims to investigate the user perceptions in High-Performance Schools. Keywords: User perception; building energy index; building energy efficiency; school building. eISSN 2514-7528 © 2018. The Authors. Published for AMER ABRA cE-Bs by e-International Publishing House, Ltd., UK. This is an open-access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). Peer–review under responsibility of AMER (Association of Malaysian Environment-Behaviour Researchers), ABRA (Association of Behavioural Researchers on Asians) and cE-Bs (Centre for Environment-Behaviour Studies), Faculty of Architecture, Planning & Surveying, Universiti Teknologi MARA, Malaysia. DOI:https://doi.org/10.21834/jabs.v3i10.318  

scholarly journals Operational risks and building energy efficiency

2020 ◽  
Vol 164 ◽  
pp. 02012
Author(s):  
Victoria Borkovskaya ◽  
Evgeniy Degaev ◽  
Vladimir Rimshin ◽  
Igor Shubin
Keyword(s):  
Energy Efficiency ◽  
Energy Saving ◽  
Software Package ◽  
Housing Stock ◽  
Building Energy ◽  
Building Energy Efficiency ◽  
Structural Units ◽  
Federal Program ◽  
Operational Risks ◽  
Energy Survey

The article discusses the main aspects of the Federal program of energy saving and energy efficiency of the housing and communal complex. The algorithm of energy survey of the building is given. The calculation of the temperature field of structural units using the ELCUT software package is considered. The operational risks of implementing the energy saving Program and improving the energy efficiency of the housing stock are determined.

ANALYSIS OF KEY EU LEGISLATIVE DOCUMENTS ON THE ENERGY EFFICIENCY OF BUILDINGS

2018 ◽  
Author(s):  
Nikolay Tymchenko ◽  
◽  
Nataliia Fialko ◽  
Keyword(s):  
Energy Efficiency ◽  
Housing Stock ◽  
The World ◽  
The Eu

The basic legislative documents of the EU in the field of reforming the European housing stock (EU EPBD Directive) were considered. The step-by-step revision of the document is analyzed in connection with the adjustment of goals, criteria and means of modernizing buildings. The successes of the implementation of the Directive as a key legislative document and its recognition by the leading countries of the world are shown.

Optimization Research on Supervision Process in Building Energy Conservation

2014 ◽  
Vol 644-650 ◽  
pp. 5138-5141 ◽  
Author(s):  
Xu Chen ◽  
Shu Fen Yang
Keyword(s):  
Energy Efficiency ◽  
Energy Conservation ◽  
Energy Demand ◽  
Implementation Process ◽  
Building Energy ◽  
Building Energy Efficiency ◽  
Environment Protection ◽  
Building Energy Conservation ◽  
Supervision Process ◽  
Design Construction

In recent years, energy crisis increases, energy saving and environment protection have become particularly important. With the improvement of people's living standards, energy demand is increasing; therefore, building energy conservation is imminent.Building energy efficiency needs much attention and implementation, which covers construction units, design units and supervision units. Construction of the building energy efficiency is full of the entire construction process. From planning, design, construction to supervision process is all in control. The lack of a link monitoring is likely to result in an increase in energy consumption. Resource engineering supervision is an important construction implementation process, and is an important link in the process of building energy conservation monitoring.Building energy conservation.

scholarly journals Feasibility Study on Energy Audit and Data Driven Analysis Procedure for Building Energy Efficiency: Bench-Marking in Korean Hospital Buildings

Energies ◽  
2019 ◽  
Vol 12 (15) ◽  
pp. 3006 ◽  
Author(s):  
Hwang ◽  
Cho ◽  
Moon
Keyword(s):  
Energy Efficiency ◽  
Energy Consumption ◽  
Energy Flow ◽  
Energy Demand ◽  
Building Energy ◽  
Energy Performance ◽  
Public Hospitals ◽  
Data Driven ◽  
Building Energy Efficiency ◽  
Energy Audit

Growths in population, increasing demand for health care services and comfort levels, together with patients on the rise in time spent inside hospitals, assure the upward trend that energy demand will continue in the future. Since the hospital buildings operate 24 hours, 365 days a year for the treatment and restoration of patients, they are approximately 2–3 times more energy-intensive than normal buildings. For this reason, energy efficiency in hospitals is one of the prime objectives for energy policy at regional, national and international levels. This study aims to find how meaningful energy performance, reflecting good energy management and energy conservation measures (ECMs), can be operated for hospital buildings, a category encompassing complex buildings with different systems and large gaps between them. Energy audit allows us to obtain knowledge from the healthcare facility, in order to define and tune data driven analysis rules. The use of benchmarking in the energy audit of healthcare facilities enables immediate comparison between hospitals. Data driven energy analysis also allows ascertaining their expected energy consumption and estimating the possible savings margin by using the building energy flow chart. In the 2015–2017 periods, bench-marking of four public hospitals in Seoul were audited for the energy consumption related to weather conditions, total area, bed numbers, employee numbers, and analyzed for building energy flow by zones, energy sources, systems and equipment. This is a practice-based learning in a hospital project. The results reveal that the average annual energy consumption of a hospital under normal conditions, and energy efficiency factors are divided into energy baselines, energy consumption goals for energy saving and energy usage trends for setting ECMs, respectively. The indicator dependent on the area of inpatients (number of beds) proved to be the most suitable as a reference to quantify the energy consumption of a hospital.

Sign in / Sign up

Export Citation Format

Share Document