UM  > Faculty of Science and Technology  > DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Status已發表Published
Experimental Investigation of the Isothermal Pressure Drops in the Mini-Elbows
Tam, H. K. ; Ji, J. Q.; Tam, L. M.; Ghajar, A. J.
2021-08-01
Source PublicationProceeding of the 2nd International Symposium on Thermal-Fluid Dynamics
AbstractAn experimental setup was built in this study to measure the pressure drop for the horizontal mini-scale elbows under the isothermal boundary condition. Six stainless steel minielbows with various bending angles (45 o and 90o ) and inner diameters (0.6 mm to 4.5 mm) were used as the test section. The experimental setup was verified by comparing the current horizontal straight tube data with the well-known correlations. The Reynolds number range for this study was around 800 to 10,000. The experimental results clearly showed the effect of diameter and angle on the loss coefficient for the 45o and 90o elbows in the entire Reynolds number range. A critical region was shown to be obvious in the 45o elbows than that in the 90o elbows. Basically, the traditional fixed loss coefficient and the 2-K and 3-K methods did not predict the loss coefficients of the 45o and 90o mini-elbows with good accuracy.
Keywordpressure drop mini tube minor loss
Language英語English
The Source to ArticlePB_Publication
PUB ID60588
Document TypeConference paper
CollectionDEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Recommended Citation
GB/T 7714
Tam, H. K. ,Ji, J. Q.,Tam, L. M.,et al. Experimental Investigation of the Isothermal Pressure Drops in the Mini-Elbows[C],2021.
APA Tam, H. K. ,Ji, J. Q.,Tam, L. M.,&Ghajar, A. J. .(2021).Experimental Investigation of the Isothermal Pressure Drops in the Mini-Elbows.Proceeding of the 2nd International Symposium on Thermal-Fluid Dynamics.
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