LoginIn this study, field measurements andinvestigations have been carried out tounderstand the energy consumption and indoorenvironment of a sustainable designed officebuilding.
29th AIVC Conference - Kyoto,Japan - 14-16 October 2008
The 29th AIVC Conference, Advanced building ventilation and environmental technology for addressing climate change issues, was held in Kyoto, Japan, 14-16 October 2008.
Contains 165 papers
Volume content
A Case Study of Energy Consumption and Indoor Environment in a WoodConstructed Office Building | 2008 | English
The IEA ECBCS: Research and Development for Near Zero Energy and Carbon Emissions in Buildings and Communities | 2008 | English
The Energy Conservation for Buildings andCommunities Systems (ECBCS) is anImplementing Agreement among 23 countriesof the IEA (International Energy Agency) forenergy research and development in buildingsand communities.
The effect of downdraft spoilers is questioned.CFD results are presented for a large atriumequipped with downdraft spoilers ("obstacles")to counteract downdraft from glazed faqades.Simulations are in addition presented for oneandtwo-story test roo
Allowing for thermal comfort in free-running buildings in the newEuropean Standard EN 1 525 1 | 2008 | English
This paper describes some qf the thinking behind the thermal comfort provisions of the new European Standard EN1 525 1 (CEN:2007) for free-running buildings. This standard deals with all aspects on the indoor environment.
Recently, supplying glass space like atrium isbeing extended widely for introducing naturallight into a building, improving rest roomfunctions and having a pleasant workenvironment.
Study the Thermal Effect of Ceiling-mounted Light Fixturesfor a Displacement Ventilation System | 2008 | English
This paper investigates the thermal effect of ceiling-mounted light fixtures for a displacement ventilation system. The influence of fluorescent lainps on a ceiling is examined by computational fluid dynamics and experimental methods.
Experimental study was conducted onimproving air-conditioners' energy efficiencyusing hydroponic roof plants. The air-coolingeffect caused by the solar-shading andtranspiration of hydroponic-cultivated sweatpotato was measured.
In recent years, the insulation and air-tightnesslevels of newly constructed houses in Japanhave been improved for purpose of energysaving. However, a reduced design of airpermeability (i.e.
Condensation and mold growth risks on interior surface of a corner wall in anapartment | 2008 | English
The paper presents the results of mold growthrislzs in a corner wall near an entrance door inan apartment house. The corner wall isrecognized as a trouble spot for condensationand mold risk in apartment buildings.
Thermal and Air Quality Environment in Elementary SchoolClassrooms Equipped with Air-Conditioning System for Cooling | 2008 | English
An investigation was performed in a middle-corridor-type elementary school in Tolcyo, Japan, equipped with an air-conditioning system for cooling.Temperatures and C02 concentrations weremeasured in classrooms, corridors and outdoors.Visual inspect
This paper discusses the possibility of asimple solar hot water pre-heating system fordomestic hot water supply. In Japan, the fossilfuel use for hot water supply amounts to about30% of the total in residential buildings.
Experimental Investigations of the Turbulent Mixing Process and theReynolds-Stress Anisotropy Tensor in Ventilated Rooms | 2008 | English
In the past various experimental investigationsabout room airflows were published.
According to the definition, passive houses inEurope meet a target energy demand for heatingof less than 15 kWh per square meter and peryear.
This paper describes the history and background of the ventilation requirements. Thepaper starts with an overview of existinginternational requirements.
Comparison of imagined and real behaviors in relation to active coolingmethods under Japanese summer conditions | 2008 | English
Recently post-occupancy evaluation is oftenused to know the actual performance of socalledenergy saving building components andto compare with simulated performance. Inreality, the occupants choice how to achievecomfortable conditions, e.g.
Energy Consumption Pattern in Commercial Buildings to Be Used for Assessing Various Community Energy Systems | 2008 | English
It is believed that one method of maltingeffective use of energy is the sharing ofhydrogen energy or heat and electricityproduced by cogeneration systems at multiplefacilities in the community.
Determination of the Chilled Water Temperature and Flow Rate of theRadiant Floor Cooling System in Residential Buildings | 2008 | English
This study aims to derive design data of thesupply chilled water temperature and water flowrate for the radiant floor cooling system inKorean residential buildings.
Study on evaluation of ventilation effectiveness of occupied space in smokingroom with the highly-efficient ventilation system | 2008 | English
An investigation to understand the actual conditionsof smoking spaces was conducted, and itbecame clear that the introduction of a highlyefficientventilation system is necessary, in additionto the securing of a sufficient ventilationvolume.
Energy consumed in the Canadian residential sector for space cooling has more than doubled from 1990 to 2002. Cooling requirements, expressed by cooling degree-days have also increased.
A Study on Thermal environment of the Raised-Floor Ondol with aVentilation System at an Apartrnent | 2008 | English
A radiant heating applied to floor, so called'Ondol', is a traditional heating method in Koreaand has been widely used.