Ventilation System Type and the Resulting Classroom Temperature and Air Quality During Heating Season

    Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    Abstract

    The present study investigated how different ventilation system types influence classroom temperature and air quality. Five classrooms were selected in the same school. They were ventilated by manually operable windows, manually operable windows with exhaust fan, automatically operable windows with and without exhaust fan and by mechanical ventilation system. Temperature, relative humidity, carbon dioxide (CO2) concentration and opening of windows were continuously monitored for one month during heating season in 2012. Classroom with manually operable windows had the highest carbon dioxide concentration levels so that the estimated ventilation rate was the lowest compared with the classrooms ventilated with other systems. Temperatures were slightly lower in classroom ventilated by manually operable windows with exhaust fan. Windows were opened seldom even in the classroom ventilated by manually operable windows. Classrooms with automatically operable windows and exhaust fan and with mechanical ventilation systems achieved the best thermal environment and air quality during heating season among all classrooms examined.
    Original languageEnglish
    Title of host publicationProceedings of the 8th International Symposium on Heating, Ventilation and Air Conditioning
    Number of pages12
    Volume1
    PublisherSpringer
    Publication date2014
    Pages203-214
    DOIs
    Publication statusPublished - 2014
    Event8th International Symposium on Heating, Ventilation and Air Conditioning - Xi' An, China
    Duration: 19 Oct 201321 Oct 2013
    Conference number: 8
    http://www.ishvac2013.org/v2/index.php

    Conference

    Conference8th International Symposium on Heating, Ventilation and Air Conditioning
    Number8
    Country/TerritoryChina
    CityXi' An
    Period19/10/201321/10/2013
    Internet address
    SeriesLecture Notes in Electrical Engineering
    Volume261
    ISSN1876-1100

    Keywords

    • Classroom
    • Ventilation system type
    • Temperature
    • Carbon dioxide concentration
    • Ventilation rate

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