The paper deals with applicability of passive and low energy cooling technologies in the Czech Republic.In the paper there are presented two recent studies, where computer simulation helps to design properly the passive and low energy cooling for
28th AIVC and 2nd Palenc Conference - Crete, Greece - 27-29 September 2007
The 28th AIVC and 2nd Palenc Conference, Building Low Energy Cooling and Ventilation Technologies in the 21st Century, was held in Crete, Greece, 27-29 September 2007.
Contains 247 papers
Estimation on the effectiveness of the crossventilation as a passive cooling method for houses | 2007 | English
The integration of research outputs on the cross ventilation is tried in order to quantify the reduction of cooling energy, by raising the stepwise questions and by reviewingexisting knowledge useful to find solutions.
Variable flow rate summer air-conditioning systems with low energy consumption for small buildings | 2007 | English
The energy performances of a summer air-conditioningsystem with variable airflow destined fora sole air-conditioned open-space environment which hosts a call-centre are presented.
In the present study the relation between the wind speed and the air temperature during the summer period over the greater area of Athens is examined.
The effect of natural ventilation on the indoor air quality in classroom of the elementaryschool without heating equipments during winter season | 2007 | English
Field survey on indoor air quality was conducted during winter season, in an elementary school at Kagoshima city.
Window opening behavior and resultant thermal and air quality environment in elementary school classrooms | 2007 | English
A study was performed in 6 elementary schools in Japan,and measurements were made on temperature in classrooms and corridors, outdoor temperature, CO2 concentration and closing or opening of windows and doors.
The effects of roof angle and width of adjacent buildings on wind-induced cooling ventilation of atrium spaces | 2007 | English
The wind-induced natural ventilation of atrium buildingswith two roof openings has been investigated using computational fluid dynamics (CFD) techniques.
Investigating and analyzing the thermal behavior of the “green roof system” installedin two buildings in Athens, Greece | 2007 | English
The present paper deals with the experimental analysis and monitoring of the energy and environmental performanceof a green roof system installed in two residences,in the region of Athens, Greece.
A numerical analysis of the natural ventilation in greenhouseswas performed at no-wind and low-wind speeds with the use of Computational Fluid Dynamics (CFD).
Experiences from the first German EPBD implementations: - Field tests for residentialand non-residential buildings - Certificates for well-known national and international buildings | 2007 | English
In preparation of the implementation of the Energy Performanceof Buildings Directive (EPBD) the responsibleGerman Ministry has undertaken several actions includingthe developmentof a new energy performance calculationprocedure for non-residential
Application of new design of wind tower configuration to existing building for passive cooling | 2007 | English
In hot and arid climates, evaporative cooling appears to have significant potential to provide thermal comfort and reduce the energy loads of summer season.
In situ measurement of window air tightness : stakes, feasibility, and first results | 2007 | English
In order to limit ventilation losses in low-energy buildings,balance ventilation systems with high-efficiency heat recovery units are often used.
Feasibility study for renewable and low-energy applications in urban building sector | 2007 | English
Global warming and fossil energy sources depletion represent an emergency at Planet scale.
Goal of the study was to investigate the relation betweenthe level of ventilation and the performance of school children in classroomsIn one school in two classrooms the same ventilation system was installed.
The exergy approach for the evaluation of heating and cooling technologies; first results comparing steady state and dynamic simulations | 2007 | English
Energy saving and emissions reduction are both affectedby the energy efficiency of the built environment and the matching between the quality of the energy carrierand the quality of the required energy.
The impact of building envelope design on thermal performance of office buildingsin Egypt | 2007 | English
This paper introduces research being carried out to support effective energy efficient design in Egypt. It is based on deriving results of multiple parametric simulationsof energy performance of office buildings in Cairo and Alexandria.
The purpose of this work is to study numerically the indoorenvironmental conditions in an office.
Presently the assessment of the thermal behaviour and the energy efficiency of naturally ventilated double skin facades (DSF) is only possible by using complex simulationtools, which allow inter-connections between fluid dynamics, energy balances
The energy performance of glazed office buildings with double skin facades - BESTFACADE | 2007 | English
Many modern office buildings have highly glazed facades.Their energy efficiency and indoor climate is, however, being questioned.
This document aims to present the progress and the outcome of the research on double skin façades that is being carried out within the European ‘BESTFACADE’ project.