International Journal of Ventilation, Volume 5, 2006-2007

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A study was performed on the effects of porosity on discharge coefficient and airflow characteristics under the condition where uniform approaching flow directly faces to and enters the opening by using wind tunnel experiment and CFD analysis.
Takashi Kurabuchi, Yoshihiko Akamine, Masaaki Ohba, Tomoyuki Endo, Tomonobu Goto and Motoyasu Kamata
Wind-induced cross ventilation is one of the key technologies for saving energy while controlling the indoor environment, and seems to be a crucial element of any sustainable building policy.
Shinsuke Kato , Ryohei Kono, Takamasa Hasama , Ryozo Ooka , Takeo Takahashi
Case studies provide essential evidence about the performance of buildings. They also illustrate the methods by which a technology can be implemented as well as highlighting problems.
Liddament M., Axley J., Heiselberg P., Li Y., Stathopoulos T.
Traditional naturally ventilated houses are not designed for active thermal control.
Su B.
An underfloor ventilation system providing three different airflow patterns, a mixing ventilation system, and a displacement ventilation system utilizing a wall-based diffuser were tested in a mock-up of a typical office.
Cermak R., Melikov A.K
This paper presents an assessment of indoor air quality and various ventilation strategies inside a school building located in the south of Portugal. In the first phase, ventilation rate was experimentally evaluated using the tracer gas method.
Conceição E.Z.E., Lúcio M.M.J.R.
The Local Dynamic Similarity Model (LDSM) is a ventilation model for predicting the discharge coefficient and the inflow angle at the opening of a cross-ventilated building.
Cheng-Hu Hu, Takashi Kurabuchi, Masaaki Ohba
The possible benefits of automatic ventilation control of trickle ventilators in dwellings are investigated.
Ridley I., Davies M., Booth W., Judd C., Oreszczyn T., Mumovic D.
Ventilation characteristics of the Columbus module are numerically predicted on the basis of the Reynolds-Averaged Navier-Stokes (RANS) and Large Eddy Simulation (LES) approaches.
Smirnov E.M., Ivanov N.G., Telnov D.S., Son C.H.
Five fire scenarios have been simulated with the CFD model Fire Dynamics Simulator (FDS) to analyse the performance-based fire safety design of a 2935 m-long railway tunnel.
Liu Y, Liu X., Paroz B.
This paper presents an experimental and numerical analysis of building cooling using night-time coldaccumulation in phase change material (PCM), otherwise known as the free-cooling or passive-cooling principle.
Butala V., Stritih U.
The objective of heating, ventilating and air conditioning (HVAC) systems is to satisfy users when it comes to health, indoor air quality (IAQ), and thermal comfort.
Kalaiselvam. S, Vidhya sagar Velichet, Iniyan. S, Anand, A. Samuel
The authors outline the knowledge they have gained through their design experience on the efficacy of natural ventilation in non-residential buildings in Japan.
Matsunawa K., Mizuide K.
In this study, the evaluation of cross ventilation is presented based on the simultaneous analysis of inside and outside conditions and for wind directions other than 0 degrees (i.e.
Endo Tomoyuki., Takashi Kurabuchi, Toshihiro Nonaka, Mizuki Ishii, Masaaki Ohba, Tomonobu Goto, Yoshihiko Akamine
The aim of the work was to investigate the effect of upstream geometry of the nozzle on the turbulence mixing and temperature distribution in still air large enclosed spaces.
Khan M.I.
This paper describes the classical approach for calculation of wind driven airflow through large openings in buildings and discusses the fulfilment of the limiting assumptions.
Heiselberg P., Sandberg M.
This paper reports on tracer gas measurements of the ventilation flow within a low-energy building.Constant-concentration, decay and homogenous tracer gas emission methods were used.
Karlsson J.F.
A healthy indoor environment with sufficient fresh air is a prerequisite for the well-being and highproductivity of building occupants.
Karunakaran R., Parameshwaran R., Iniyan S., Anand A. Samuel
It is known that discharge coefficients vary with wind direction and opening position. The local dynamic similarity model of cross-ventilation can select discharge coefficients on this basis.
Ohba M., Goto T., Kurabuchi T., Endo T., Akamine Y.
In the case of cross ventilation through a large opening, it is well known that the inflow direction at the opening is not normal to the opening.
Hisashi Kotani,Toshio Yamanaka