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Experimental Study on Thermal Performance of a Loop Heat Pipe with Different Working Wick Materials
| Content Provider | MDPI |
|---|---|
| Author | Htoo, Kyaw Huynh, Phuoc Kariya, Keishi Miyara, Akio |
| Copyright Year | 2021 |
| Description | In loop heat pipes (LHPs), wick materials and their structures are important in achieving continuous heat transfer with a favorable distribution of the working fluid. This article introduces the characteristics of loop heat pipes with different wicks: (i) sintered stainless steel and (ii) ceramic. The evaporator has a flat-rectangular assembly under gravity-assisted conditions. Water was used as a working fluid, and the performance of the LHP was analyzed in terms of temperatures at different locations of the LHP and thermal resistance. As to the results, a stable operation can be maintained in the range of 50 to 520 W for the LHP with the stainless-steel wick, matching the desired limited temperature for electronics of 85 °C at the heater surface at 350 W (129.6 kW·m−2). Results using the ceramic wick showed that a heater surface temperature of below 85 °C could be obtained when operating at 54 W (20 kW·m−2). |
| Starting Page | 2453 |
| e-ISSN | 19961073 |
| DOI | 10.3390/en14092453 |
| Journal | Energies |
| Issue Number | 9 |
| Volume Number | 14 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-04-25 |
| Access Restriction | Open |
| Subject Keyword | Energies Manufacturing Engineering Electronics Cooling Loop Heat Pipe Wick Materials Thermal Conductivity |
| Content Type | Text |
| Resource Type | Article |
