Modelling of heat transfer for droplet condensation in mixed convective duct flow

Temperature and humidity measurements are conducted in mixed convective humid-air duct flow with condensation. The latent and total heat transfer during the experiment are determined through the thermal balance for inlet temperatures from 27.5 °C to 35.5 °C, relative humidities from 30% to 55% and a...

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Veröffentlicht in:STAB/DGLR Symposium (22. : 2020 : Berlin) New results in numerical and experimental fluid mechanics XIII
1. Verfasser: Brückner, Christian (VerfasserIn)
Weitere Verfasser: Westhoff, Andreas (VerfasserIn), Wagner, Claus (VerfasserIn)
Format: UnknownFormat
Sprache:eng
Veröffentlicht: 2021
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Zusammenfassung:Temperature and humidity measurements are conducted in mixed convective humid-air duct flow with condensation. The latent and total heat transfer during the experiment are determined through the thermal balance for inlet temperatures from 27.5 °C to 35.5 °C, relative humidities from 30% to 55% and at four Reynolds numbers (2000-8000). The experimental results are compared with a heat transfer model from the literature. Adjusted in terms of the geometry and surface properties, the model shows partial agreement for the cases with forced convection but has to be further adjusted regarding the influence of thermal convection.
ISBN:9783030795603