Indoor thermal comfort in buildings is usually assessed via the empirical calculation model of Fanger (1970). The model itself consists of two indicators, called Predicted Mean Vote (PMV) and Predicted Percentage of Dissatisfied (PPD). Both indices are used to describe the thermal sensation of a group of individuals and their corresponding satisfaction with the physical environmental conditions. The model itself served as the base for the definition of building categories and comfortable operative indoor temperatures standardised in DIN EN ISO 7730 and EN ISO 15251. The experiment visualised shows the assessment of thermal comfort of a large group of individuals. In this regard, a statistically significant amount of people is asked for their current thermal sensation. The latter is expressed as PMV-values between -3 (cold) to +3 (hot) with 0 being the point of thermal neutrality. The averaged PMV of the experiment is +0.2. It results in a thermal dissatisfaction value (PPD) of 6 %. The latter is close to the maximum possible PPD of 5 % and indicates that the majority of the subjects felt thermally comfortable in the investigated lecture hall." This is part of the Open Educational Resources Initiative by the Faculty of Civil Engineering of the RWTH Aachen University.


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    Titel :

    Ergonomics of the Thermal Environment: Survey during lecture


    Untertitel :

    Experiment/Model Test



    Erschienen in:

    Erscheinungsdatum :

    2017-01-01


    Format / Umfang :

    30MB, 00:01:56:14


    Anmerkungen:

    Kein gesprochener Text
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    Medientyp :

    Audiovisuelles Material


    Format :

    Audiovisuelles Material


    Sprache :

    Unbekannt




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