Effect of Heat Load on the Flow Distribution of R134a Refrigeration System applicable to Electronic Cooling
| Autor: | Cheng-Wei Tien, 田政蔚 |
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| Rok vydání: | 2007 |
| Druh dokumentu: | 學位論文 ; thesis |
| Popis: | 95 The present study experimentally investigates mass flow rate distribution among symmetric heat sinks in conventional channel under a variety of test conditions. The test section consists of adjustable inlet and outlet headers with an inner diameter 4.35 mm which own three fundamental flow directions. The key experimental parameters are flow direction of refrigerant passing through the test section (diverge, reverse and parallel), inlet quality (0.1 and 0.01) and heat load. Different flow direction results in apparent contrast of mass flow rate in reverse and parallel flow schemes. The effect of inlet quality plays an important role in flow distribution and total mass flow rate. The effect of heat load on mass flow rate distribution results in apparent influence on flow distribution. Diverge flow direction initially shows good symmetry in flow distribution due to its arrangement of piping. Both reverse and parallel flow conditions show contrary flow distributions of heat sinks. |
| Databáze: | Networked Digital Library of Theses & Dissertations |
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