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The significance of vegetable shading is, that it can minimize the risk of overheating and also the negative effects of urban heat island. The aim of the paper is to analyze more precisely the shading effect of alley trees, and their impact on indoor comfort.

The shading efficiency of trees is a species-specific attribute, because of the varying crown structure and leaf density. The analyses aimed the quantification of the transmissivity of characteristic individuals of three frequently planted species. On the base of measured data the cooling load of the buildings and the risk of summer overheating are calculated.

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, conducted in the coldest two months (January and February) and in the hottest two months (July and August). The aim is to define the maximum required power capacity of the mechanical system for cooling and heating to fulfill the necessary indoor comfort. The

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Adaptive solar shading systems have in comparison with the traditional systems of shading increased potential ability to improve the quality of the indoor environment and to increase the energy performance of buildings. Their extension allows all-around technological progress, but also the extensive application of large-scale glazing in building envelopes almost in all climatic regions. The literature review shows that the characteristics of the individual adaptive shading systems differ. Some have better performance in the sun protection or in improving the building's energy balance; others for example are better in glare elimination or in redistribution of daylight. The main purpose of this contribution is to provide a classification of the adaptive solar shading systems. In the article are compared merits and shortcomings of adaptive shading systems and are shortly analyzed assumptions of their wider application in central European climate conditions. Attention is also given to advantages and disadvantages, which brings the application of some kinds of adaptive solar shading systems. Several examples of adaptive shading systems are shown and briefly characterized.

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Abstract  

Ceramic blocks with high porosity and low heat conductivity are effective tools to improve the indoor comfort level and also to reduce energy consumption. The main objective of this study was focused on the development of the porous ceramic blocks processing with different pore forming agents by adapting a German technology to the Brazilian environmental conditions. In this process, the clay mixtures are homogenized before sampling as the sintering of porous ceramic materials was about 900–1100°C. TG/DTG, DSC and coupled MS experiments were carried. The formed products have low apparent density, high porosity and reasonable mechanical strength with a good heat and acoustic insulation properties.

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Thermal bridging caused by exposed concrete balcony slab is a major source of heat loss through energy efficient building envelopes. Moreover, thermal bridging can also create moisture management and indoor comfort challenges. Numerous investigations have been carried out to reduce heat transmittance through exterior building envelopes and minimize the energy use in buildings. The most effective way to minimize heat transmittance of exposed concrete balcony slabs is to thermally separate the exterior structure from the interior structure using thermal breaks. To enhance thermal separation, this paper investigates the effects of replacing high conductive materials such as reinforced concrete or structural steel with a multilayer composition of high-performance hybrid insulating systems. Reinforcing bars, such as fiber reinforced plastics (FRPs), having lower thermal conductivity than steel are used to connect interior to exterior and transfer loads. Numerical simulation tool THERM is used to study the effects of thermal breaks on energy performance of the concrete slab balcony joints. Simulation results indicate significant thermal performance improvement while high-performance hybrid insulating systems were used for exposed concrete balcony slab constructions, compared to traditional insulating systems used in similar constructions

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indoor comfort , Pollack Periodica , Vol. 11 , No. 1 , 2016 , pp. 101 – 112 . [3] Heinzerling D. , Schiavon S. , Webster T. , Arens E

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, Department of Environment and Planning, 2007. Evrard A. Sorption behavior of lime-hemp concrete and its relation to indoor comfort and energy demand, PLEA 2006 — The 23rd Conference on Passive and Low Energy Architecture , Geneva

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Pollack Periodica
Authors: Mohammad Reza Ganjali Bonjar, Kristóf Roland Horváth, Bálint Baranyai, and István Kistelegdi

to ensure theoretically same indoor comfort conditions. Fig. 2. Example of diverse oriented room groups of “Cube A” 1st floor (A-RG) with 1 external wall and window; as well as corner room groups (A-CRG) with 2 external wall and 2 windows In this way

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that proliferation of quantification in sustainability values (e.g. energy usage, indoor comfort, settlement scaled energy and grid modeling) is primarily based on social processes [ 11 ]. Current certification systems of Leadership in Energy and

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, Vol. 47 , 2019 , Paper No. 101429. 10.1016/j.scs.2019.101429 [13] Szkordilisz F , Kiss M . Passive cooling potential of alley trees and their impact on indoor comfort , Pollack Periodica , Vol. 11 , No. 1 , 2016 , pp. 101 – 112 . 10

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