Detailed measurement on a HESCO diffuser

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Abstract

This paper focuses on measuring the inlet velocity from a HESCO diffuser used in the IEA Annex 20 work as a function of the volume flow it provides. The aim of the present work is to establish a relation between the inlet velocity, the effective area and the airflow. This is important because the inlet velocity is a very important boundary condition both in CFD calculation and general flow measurements. If only the volume flow and the geometrical area are used, a relatively large error in the inlet velocity may result. From the detailed measurements it was possible to establish an expression between the inlet velocity and the effective area.

Original languageEnglish
Title of host publicationProceedings of Roomvent 2007 : Helsinki 13-15 June 2007
EditorsOlli Seppänen, Jorma Säteri
Number of pages9
PublisherFINVAC ry
Publication date2007
ISBN (Electronic)9789529989812
Publication statusPublished - 2007
EventThe International Conference on Air Distribution in Rooms, Roomvent - Helsinki, Finland
Duration: 13 Jun 200715 Jun 2007
Conference number: 10

Conference

ConferenceThe International Conference on Air Distribution in Rooms, Roomvent
Number10
CountryFinland
CityHelsinki
Period13/06/200715/06/2007

Bibliographical note

Published on a CD

Keywords

  • Roomvent
  • The International Conference on Air Distribution in Rooms
  • Personalized ventilation
  • Ventilation
  • Cross infection

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