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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kaewkohkiat, Y. Jedsadaratanachai, W. Eiamsa-ard, P. Promvonge, P. Eiamsa-ard, S. |
| Copyright Year | 2014 |
| Description | Author affiliation: Fac. of Ind. Technol., Phetchaburi Rajabhat Univ., Phetchaburi, Thailand (Eiamsa-ard, P.) || Dept. of Mech. Eng., Mahanakorn Univ. of Technol., Bangkok, Thailand (Eiamsa-ard, S.) || Dept. of Mech. Eng., King Mongkut's Inst. of Technol. Ladkrabang, Bangkok, Thailand (Kaewkohkiat, Y.; Jedsadaratanachai, W.; Promvonge, P.) |
| Abstract | Experimental work has been performed to examine the effects of V-baffle vortex generators on the heat transfer and friction characteristics in a channel under a constant heat flux boundary condition. In the experiments, V-baffles at different pitch ratios (PR=P/e = 4.0, 6.0 and 8.0) were carried out. Measurements were carried out for a channel of one aspect ratio, AR = W/H = 4.0 and duct height, H= 40 mm with baffle height, e = 8 mm. Experiments were conducted for the Reynolds number range of 6000 to 22,000. The distributions of temperature and local Nusselt number on bottom channel wall were observed with thermochromic liquid crystal (TLC) sheet. Isothermal friction factors were also taken and presented. The obtained results demonstrate that heat transfer increases with the increase of Reynolds number, whereas friction factor (f) shows the opposite trend. Experimental results also show that the channels with V-baffle at the highest pitch ratio (PR = 8.0) provide highest heat transfer than others. |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 1813388 |
| Page Count | 5 |
| File Format | |
| e-ISBN | 9781479926275 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-03-19 |
| Publisher Place | Thailand |
| Access Restriction | Subscribed |
| Rights Holder | Asian Institute of Technology |
| Subject Keyword | Temperature measurement Image color analysis Friction Heat engines Ducts Channel Thermochromic liquid crystal Mechanical engineering Heat transfer Baffle |
| Content Type | Text |
| Resource Type | Article |
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