Der isobare Expansionsmotor stellt ein neues Konzept mit großem Potential, vor allem im Niedertemperaturbereich, dar und kann durch den Einsatz von Rekuperatoren hohe Wirkungsgrade erzielen. Der Artikel zeigt, wie die Überlagerung von Wärmerückge...
Artikel
Spatially Resolved Temperature Measurements during Condensation in Presence of a Non‐Condensable Gas
Von Wiley-VCH zur Verfügung gestellt
Fiber optical sensors provide a remarkable opportunity for measuring local temperatures inside heat transfer equipment such as condensers. Under moderate vacuum conditions the condensation of pentanol-nitrogen-vapor was investigated highlighting the potential of the novel sensor installation.
Abstract
Axial temperature profiles of the vapor phase can provide valuable indication of the condensation process along the heat transfer path and highlight the impact of non-condensable gases on a unit's performance. The local measurements at moderate vacuum conditions for condensation of a binary mixture are presented alongside the implementation and assessment of optical sensors in a heat transfer process. The results show a good depiction of the characteristic temperature behavior during the condensation process. The relation between temperature, partial pressure and mole fractions are shown.
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