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The International Journal of Ventilation, Volume 9, 2010-2011

Volume content
A Study on Ventilation Systems for Removing Indoor House Dust

This study evaluated various ventilation strategies for efficiently removing house dust in the indoor environment. Experiments and simulations were…

Yang Lu, Hiroshi Yoshino, Rie Takaki, Genta Kurihara, Hiroshi Yonekura, Jing Liu
Potential of Passive Cooling Techniques for Modern Houses in the Tropical Climate of Malaysia - Analysis of the Indoor Thermal Environment for Various Ventilation Strategies

This paper discusses the potential of passive cooling techniques for Malaysian modern houses with the aim of reducing air-conditioning usage. A full-scale…

Tetsu Kubota and Doris Toe Hooi Chyee
An Energy Efficient Air Conditioning System using Displacement Ventilation and Chilled Ceiling for Modern Office Buildings

Thermal comfort and indoor air quality (IAQ) play a vital role in creating a pleasant and healthier indoor environment for occupants. The supply air…

R. Parameshwaran, R. Karunakaran, S. Muthumariappan and S. Bipasha
Stratum Ventilation for a Workshop under Elevated Indoor Temperature

The performance of stratum ventilation, a recently developed ventilation strategy, is assessed in terms of thermal comfort and indoor air quality using…

Zhang Lin, T.T. Chow, C.F. Tsang, K.F. Fong and L.S. Chan
A Newly Designed Supply Diffuser for Industrial Premises

The results of this investigation revealed the airflow distribution from a new design of supply diffuser under non-isothermal conditions. To illustrate the…

Setareh Janbakhsh, Bahram Moshfegh, Shahriar Ghahremanian
Casthouse Ventilation Design for the Production of Air-Cooled Aluminium Sows

The Aluminerie Alouette Inc. (AAI) smelter in northern Quebec, Canada recently completed a major plant expansion that includes a new casthouse for the…

Tom Plikas, Tony Cesta, Lowy Gunnewiek and Jean Vanasse
Controlling Gas Shielded Arc Welding Fumes using an On-Gun Extraction System

If inhaled, welding fumes can be harmful to health, thus exposure must be controlled. A commonly used method of control is local exhaust ventilation (LEV)…

C J Saunders, D Pocock, and G Carter
Ultrafine Particle Formation from Wear

Much attention is given to the consequences of airborne particles on human health and well-being. Wear is one source of airborne particles and contributions…

Anders Jansson, Lars Olander, Ulf Olofsson, Jon Sundh, Anders Söderberg and Jens Wahlström
Do Train Tunnels Need Ventilation Systems?

A planned new train tunnel under the central parts of Stockholm was intended to be ventilated by natural ventilation and the movement of the trains. However…

Lars Olander
Multiple Solutions of Smoke Flow in a Building with an Opposing Wind

In a simple single-zone building with two openings under an opposing wind, a macroscopic theoretical analysis of smoke flow direction and smoke mass flow…

Jian Gong and Yuguo Li
Principles and Calibration of Solid Phase Microextraction Fibre (Passive Sampler) for Measurements of Airflow and Air Infiltration in Dwellings

Tracer gas techniques have been the most appropriate experimental method of determining airflows and ventilation rates in houses. However, current trends to…

Emmanuel A Essah and Chris H Sanders
Application of CFD in Modelling Wind-Induced Natural Ventilation of Buildings - A Review

This paper reviews the application of CFD for designing and parametric studies of wind-induced natural ventilation. The approaches employed in such…

Teshome Edae Jiru and Girma Tsegaye Bitsuamlak
Effects of Wall Shape Changes in Indoor Air Circulation - Studies on Concave and Convex Walls

In naturally ventilated environments, indoor temperatures are directly related to the air circulation and conditions of the built environment. Taking…

P.R.C. Drach and J. Karam F
Accessing the Thermal Mass above Suspended Ceilings via a Perimeter Gap: a CFD Study of Naturally Ventilated Spaces

There is a growing desire to reduce peak temperatures within non-domestic buildings by accessing the thermal mass of separating floors. These floors are…

Scott Morey, David Coley and Tristan Kershaw
Use of a Stochastic Regression Model GARCH for Wind Fluctuation Study

In contrast to mechanical ventilation, natural ventilation's performance is usually impacted by uncertain factors, including wind fluctuations, outside air…

Gang Tan
Notes on Junction Coefficients

Application of the principle of the balance of mechanical energy gives a constraint on the possible values of the junction coefficients at a duct system…

Eero-Matti Salonen and Rauno Holopainen
Experimental and CFD Airflow Studies of a Cleanroom with Special Respect to Air Supply Inlets

Investigations were carried out into the airflow in a non-unidirectional airflow cleanroom and its affect on the local airborne particle cleanliness. The…

W Whyte, M Hejab, WM Whyte and G Green
Stack-Driven Ventilation in Two Interconnected Rooms Sharing a Single Opening and Connected to the Exterior by a Lower Vent

This paper describes the transient ventilation of two interconnected rooms. One of them has a negative buoyancy source located at ceiling level, similar to…

R. Tovar and C.A. Campo Garrido
Simulation Model for Some Types of Double Envelope Elements

It has been found that, among the tools and methods available for the energy calculation of double envelope elements, there are some debatable aspects such…

Álvaro Ruiz-Pardo, Servando Álvarez Domínguez, Francisco José Sánchez de la Flor and José Manuel Salmerón Lissen
Initial Flow Rates for Ventilation Duct System Flow Analyses

The governing equations in duct system flow analyses are nonlinear, and iterative solution methods must be used. A suitable initial flow rate guess may be…

Eero-Matti Salonen and Rauno Holopainen
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