Journal article
Combined use of an electronic antifouling technology and brush punching for scale removal in a water-cooled plain tube
Experimental heat transfer, Vol.12(3), pp.203-213
01 Jan 1999
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The objective of the present study was to investigate the benefit of the combined use of an electronic antifouling (EAF) technology and brush punching for scale removal in a shell-and-tube heat exchanger. Two fouling experiments were conducted with new plain tubes: one without an EAF treatment and the other with it. Scale inside the two tubes was produced in a recirculation-flow system with an artificially hardened water of 7.5 mol/m super(3). After passing tap water through each tube for 4 days, the fouling resistance in the tube with the EAF treatment was measured and found to be 46% less than in the one without the EAF treatment. Subsequent brush punching of the tube for the case with the EAF treatment cleaned almost all of the remaining scale, thus recovering the initial overall heat transfer coefficient values, resulting in zero fouling resistance. However, for the case without the EAF treatment, brush punching was not effective in removing scale. Both the present experiment and earlier SEM photographs support the benefit of the combined use of the EAF technology and brush punching on scale removal in heat exchangers.
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Details
- Title
- Combined use of an electronic antifouling technology and brush punching for scale removal in a water-cooled plain tube
- Creators
- Rong LiuYoung Cho
- Publication Details
- Experimental heat transfer, Vol.12(3), pp.203-213
- Publisher
- Taylor and Francis
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Identifiers
- 991019167703004721
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InCites Highlights
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- Web of Science research areas
- Engineering, Mechanical
- Thermodynamics