A benchmark analysis of subcooled heat transfer in a novel half-cylinder-head for verifying in-vehicle engine evaporative cooling under dynamic conditions
Conference paper
Yang, Z. 2017. A benchmark analysis of subcooled heat transfer in a novel half-cylinder-head for verifying in-vehicle engine evaporative cooling under dynamic conditions.
| Authors | Yang, Z. |
|---|---|
| Type | Conference paper |
| Abstract | Evaporative cooling (EC) is a potentially attractive method of thermal management in highly downsized engines. As a benchmark for robust EC system development, a novel half-unit-cylinder-head has been designed to study the heat transfer achievable with evaporative cooling strategies under realistic hot metal conditions with an appropriate coolant flow field. Multi-phase computational fluid dynamics (CFD) and conjugate heat transfer (CHT) analysis are performed under subcooled flow boiling conditions to achieve both the design requirements for the hot-side surfaces and the specification of heating arrangements. Analysis is undertaken to ensure that thermal diffusion and flow conditions are representative of coolant flow in highly-boosted IC engines. The CFD model predictions show good correlation with available experimental data for both heat flux and metal temperatures in a typical downsized pressure-charged spark-ignition engine cylinder head. |
| Keywords | Evaporative cooling; Subcooled heat transfer; Engines |
| Year | 2017 |
| Journal | the IMechE VTMS13 Conference |
| Web address (URL) | http://hdl.handle.net/10545/621622 |
| hdl:10545/621622 | |
| File | File Access Level Open |
| File | File Access Level Open |
| Publication dates | May 2017 |
| Publication process dates | |
| Deposited | 24 May 2017, 12:03 |
| Contributors | University of Sussex and University of Derby |
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