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Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213.

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Presentation on theme: "Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213."— Presentation transcript:

1 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Location of thermocouples in the tube wall (inside diameter di=8.35mm, outside diameter do=12.2mm) Figure Legend:

2 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Effect of variable properties on curve fit Figure Legend:

3 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of heat flux on vapor-to-surface temperature difference for condensation of R113 (B is 0.758 for smooth tube, vapor velocity 0.23m∕s). Figure Legend:

4 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of heat flux on vapor-to-surface temperature difference for condensation of ethylene glycol (B is 0.766 for smooth tube, vapor velocity 0.41m∕s) Figure Legend:

5 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of heat flux on vapor-to-surface temperature difference for condensation of steam (B is 0.835 for smooth tube, vapor velocity 0.57m∕s) Figure Legend:

6 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of enhancement ratio on pitch for condensation of R113 (vapor velocity 0.23m∕s) Figure Legend:

7 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of enhancement ratio on pitch for condensation of ethylene glycol (vapor velocity 0.41m∕s) Figure Legend:

8 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Dependence of enhancement ratio on pitch for condensation of steam (vapor velocity 0.57m∕s) Figure Legend:

9 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Condensate film between adjacent wires in Fujii theory Figure Legend:

10 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Example of geometry incompatibility (compare Fig. ) in Fujii theory (R11, d=18mm, saturation pressure 1.02bar, saturation temperature 24°C). Figure Legend:

11 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Condensate retention between adjacent wires Figure Legend:

12 Date of download: 6/9/2016 Copyright © ASME. All rights reserved. From: Condensation on a Horizontal Wire-Wrapped Tube J. Heat Transfer. 2005;127(11):1207-1213. doi:10.1115/1.2039113 Apparatus Figure Legend:


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