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dc.contributor.authorHoffmann-Vocke, Jonas
dc.contributor.authorNeale, James R.
dc.contributor.authorWalmsley, Michael R.W.
dc.date.accessioned2011-07-10T21:05:06Z
dc.date.available2011-07-10T21:05:06Z
dc.date.issued2011
dc.identifier.citationHoffmann-Vocke, J., Neale, J. & Walmsley, M.R.W. (2011). The effect of inlet conditions on the air side hydraulic resistance and flow maldistribution in industrial air heaters. International Journal of Heat and Fluid Flow, 32(4), 834-845.en_NZ
dc.identifier.urihttps://hdl.handle.net/10289/5461
dc.description.abstractExperimental system hydraulic resistance measurements on a scale air heater unit have highlighted the excessive hydraulic resistance of typical industry configurations. Both poor header inlet conditions and large header expansion angles are shown to contribute to system hydraulic resistance magnitudes 20–100% higher than suitable benchmark cases. Typical centrifugal fan system efficiencies well under 80% multiply the system resistance effects resulting in larger fan power penalties. Velocity profile measurements taken upstream and downstream of the test heat exchanger under flow maldistribution conditions provide insight into the flow maldistribution spreading caused by the heat exchanger resistance. The anisotropic resistance of the plate fin-and-tube heat exchanger is shown to result in resistance induced flow dispersion being concentrated in the axis parallel to the plate fins.en_NZ
dc.language.isoen
dc.publisherElsevieren_NZ
dc.relation.urihttp://www.sciencedirect.com/science/article/pii/S0142727X11000725en_NZ
dc.subjectflow maldistributionen_NZ
dc.subjectplate fin-and-tube heat exchangersen_NZ
dc.subjectpressure dropen_NZ
dc.titleThe effect of inlet conditions on the air side hydraulic resistance and flow maldistribution in industrial air heatersen_NZ
dc.typeJournal Articleen_NZ
dc.identifier.doi10.1016/j.ijheatfluidflow.2011.05.002en_NZ
dc.relation.isPartOfInternational Journal of Heat and Fluid Flowen_NZ
pubs.begin-page834en_NZ
pubs.elements-id36079
pubs.end-page845en_NZ
pubs.volume32en_NZ


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