The 9th AIVC Conference - Effective ventilation, was held in Gent, Belgium, 12-15 September 1988.

Contains 44 papers.

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Twenty three papers from the ninth AIVC Conference, titles as follows: Keynote speech: Air Infiltration and Ventilation; Natural airflows between roof, subfloor and living spaces; Experimental analysis of air diffusion in large space; Determinatio
More than two months of detailed test data have been gathered using modified constant concentration tracer gas techniques for a six-storey, 60 apartment, multi-family building.
Harrje D T, Bohac D L, Feuermann D
Numerical modelling is performed for three-dimensional turbulent buoyant flows emerging from an air diffuser in an air-conditioned, ventilated room.
Fang J B, Grot R A, Kurabuchi T
Experimental investigations concerning energy savings achieved in buildings with passive solar components (e.g. large south-front windows, sunspaces or Trombe walls) have already been effected under test conditions.
Erhorn H
Air quality and draught avoidance are fairly important to office staff; consequently, the occupant's perspective should be taken into account when assessing the relative merits of different methods of ventilation in office buildings.
Griffiths I D, Huber J W, Baillie A P
General background to the conference.
Colla M
The National Institute of Standards and Technology (formerly the National Bureau of Standards) has through an interagency agreement with the Public Building Service of the General Services Administration performed an evaluation of the thermal and
Grot R A, Persily A, Hodgson A T, Daisey J M
The ventilation and leakage characteristics of suspended floors are not well documented.
Lilly J P, Piggins J M, Stanway R J
In this paper a short term testing methodology is developed to evaluate the performance of ventilation systems with respect to control of indoor air pollutants.
Anderson R
The Dutch Standard NEN 1087 "Ventilation of dwellings": Requirements (1) is at this moment under review. A requirement can be found about the quality of air. In fact a statement is made that outside air is required as fresh air for bedrooms.
De Gids W F, Phaff J C
Infiltration heat losses due to heating appliances located within the living space are normally evaluated by reducing the conversion efficiency of the boiler, with no consideration for the fluid dynamic interaction between boiler, chimney and buil
Fracastoro G V, Masoero M
A unique multiple tracer experimental system has been developed and utilized within commercial buildings to monitor ventilation rates, air exchange efficiency, ages of air (at multiple indoor locations), flow rates of supply and outside air, and p
Fisk W J, Prill R J, Seppanen O
This paper presents an analysis of indoor climate in buildings with forced air heating systems. The results is based on indoor climate measurements and extensive interviews with the occupants.
Jagbeck P O, Warner G, Engvall K
This paper deals with field experience of airborne moisture transfer problems in houses. Two types of phenomena are discussed in more detail; the infiltration of moist air from crawl spaces and the propagation of moist air produced in kitchens.
Oldengarm J
The specific value of different flows resulting from air exchanges between rooms or with the outside is not always important. An extensive model is not suitable when only estimations or tendencies have to be drawn (very time consuming).
Caccavelli D, Roux J J, Allard F
In displacement ventilation systems, air flow rates, temperature and the design of the air supply device strongly influence the parameters which decide the thermal comfort.
Mathisen H M
This paper reviews research activities undertaken in the framework of IEA Annex XIV, "Energy and Condensation". It outlines the objectives and working scheme.
Senave E
The paper describes measuring results of the air movement from three different types of diffusers for displacement ventilation. Two of the diffusers are lowlevel wall mounted diffusers, one with a low and one with a high initial entrainment.
Nielsen P V, Hoff L, et al
An element-assembly formulation of multi-zone contaminant dispersal analysis theory is described.
Axley J
This paper tries to give a reasonable description of the state of the art of the Belgian building stock with regard to ventilation.
Wouters P, L'Heureux D, et al