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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Sahray, D. Shmueli, H. Segal, N. Ziskind, G. Letan, R. |
| Copyright Year | 2008 |
| Abstract | In the present work, horizontal-base pin fin heat sinks exposed to free convection in air are studied. They are made of aluminum, and there is no contact resistance between the base and the fins. For the same base dimensions the fin height and pitch vary. The fins have a constant square cross-section. The edges of the sink are blocked: the surrounding insulation is flush with the fin tips. The effect of fin height and pitch on the performance of the sink is studied experimentally and numerically. In the experiments, the heat sinks are heated using foil electrical heaters. The heat input is set, and temperatures of the base and fins are measured. In the corresponding numerical study, the sinks and their environment are modeled using the Fluent 6 software. The results show that heat transfer enhancement due to the fins is not monotonic. The differences between sparsely and densely populated sinks are analyzed for various fin heights. Also assessed are effects of the blocked edges as compared to the previously studied cases where the sink edges were exposed to the surroundings. |
| Sponsorship | Heat Transfer Division |
| Starting Page | 693 |
| Ending Page | 698 |
| Page Count | 6 |
| File Format | |
| ISBN | 9780791848487 |
| DOI | 10.1115/HT2008-56205 |
| e-ISBN | 0791838323 |
| Volume Number | Heat Transfer: Volume 2 |
| Conference Proceedings | ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences |
| Language | English |
| Publisher Date | 2008-08-10 |
| Publisher Place | Jacksonville, Florida, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Insulation Heat Temperature Aluminum Computer software Fins Contact resistance Dimensions Natural convection Heat sinks Heat transfer |
| Content Type | Text |
| Resource Type | Article |
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