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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
The influence of different types of ventilation outlets on the heat transfer by convection from the human body
 Zábovský, Ján ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
The aim of this diploma thesis is to investigate the influence of different types of HVAC system outlets on convective heat transfer from a human body. The first part of the thesis consists of an overview of essentials important for understanding the issue, specifically, metabolism, thermoregulation, heat transfer mechanisms, thermal vote and fluid dynamics. The second part defines the main working hypothesis and describes the used experimental approach leading either to confirmation or disproval of the hypothesis. The chosen approach is based on a measurement with thermal mannequin “Newton” using two different configurations: constant surface temperature and constant generated heat flux. In case of the first configuration, the convection intensity indicator was the value of heat flux generated from each of surface segments of the thermal mannequin. Their surface temperature was the indicator when running the experiment using the second configuration. The value was evaluated by the thermal mannequin as well as the thermal camera Flir i7 which provided more detailed division of the surface. The final part of the thesis describes the progress of the experiment itself, represents gathered values involving analysis of contaminants and confirms or disproves the original thesis.
Detailed record
The influence of different types of ventilation outlets on the heat transfer by convection from the human body
 Zábovský, Ján ; Pokorný, Jan (referee) ; Fišer, Jan (advisor)
The aim of this diploma thesis is to investigate the influence of different types of HVAC system outlets on convective heat transfer from a human body. The first part of the thesis consists of an overview of essentials important for understanding the issue, specifically, metabolism, thermoregulation, heat transfer mechanisms, thermal vote and fluid dynamics. The second part defines the main working hypothesis and describes the used experimental approach leading either to confirmation or disproval of the hypothesis. The chosen approach is based on a measurement with thermal mannequin “Newton” using two different configurations: constant surface temperature and constant generated heat flux. In case of the first configuration, the convection intensity indicator was the value of heat flux generated from each of surface segments of the thermal mannequin. Their surface temperature was the indicator when running the experiment using the second configuration. The value was evaluated by the thermal mannequin as well as the thermal camera Flir i7 which provided more detailed division of the surface. The final part of the thesis describes the progress of the experiment itself, represents gathered values involving analysis of contaminants and confirms or disproves the original thesis.
Detailed record

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