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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Jeon, Saeil Jo, Byeongnam Banerjee, Debjyoti |
| Copyright Year | 2011 |
| Abstract | Pool boiling experiments were conducted to investigate the saturation boiling of PF-5060 dielectric liquid on micro porous copper surface. The micro porous surface is deposited on a copper coated silicon wafer diced to a size of 40 mm × 68 mm. Reference experiments were performed using a bare silicon wafer of the same size. Experiments are also performed using deionized water that was degassed prior to the experiment. The experimental results show that there is ∼48% enhancement of heat flux in nucleate boiling regime on the micro porous copper surface, compared to that on a bare surface for pool boiling of PF-5060. The measurement uncertainty for heat flux in these experiments is estimated to be ∼15%. The enhanced surface area provided by the micro porous copper surface as well as the reduction in the magnitude of the Taylor instability wavelength on a copper surface, increase in the nucleation site density on the porous surface, capillary replenishment of the dry out regions and the increase in transient heat transfer from the porous surface — are postulated to be the enhancement mechanisms for the observed augmentation in heat flux values. |
| Sponsorship | Heat Transfer Division |
| File Format | |
| ISBN | 9780791838921 |
| DOI | 10.1115/AJTEC2011-44408 |
| e-ISBN | 9780791838945 |
| Conference Proceedings | ASME/JSME 2011 8th Thermal Engineering Joint Conference |
| Language | English |
| Publisher Date | 2011-03-13 |
| Publisher Place | Honolulu, Hawaii, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Water Semiconductor wafers Transient heat transfer Boiling Density Heat flux Wavelength Nucleation (physics) Measurement uncertainty Nucleate boiling Copper Dielectric liquids Pool boiling |
| Content Type | Text |
| Resource Type | Article |
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