study on diesel cylinder-head cooling using nanofluid coolant with jet impingement

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ID: 128502
2015
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Abstract
To improve the heat-transfer performance of a diesel-engine cylinder head, nanofluid coolant as a new fluid was investigated, and jet impingement technology was then used to study on how to better improve heat-transfer coefficient at the nose bridge area in the diesel-engine cylinder head. Computational fluid dynamic simulation and experiments results demonstrated that using the same jet impingement parameters, the different volume shares of nanofluids showed better cooling effect than traditional coolant, but the good effect of the new cooling method was unsuitable for high volume share of nanofluid. At the same volume share of nanofluid, different jet impingement parameters such as jet angles showed different heat-transfer performance. This result implies that a strong association exists between jet impingement parameters and heat-transfer coefficient. The increase in coolant viscosity of the nanofluid coolant using jet impingement requires the expense of more drive-power cost.
Reference Key
zhong-gen2015thermalstudy Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Su Zhong-Gen;Zheng Wei;Zhang Zhen-Dong
Journal Nature
Year 2015
DOI
10.2298/TSCI140509118Z
URL
http://www.doiserbia.nb.rs/img/doi/0354-9836/2015/0354-98361500118Z.pdf
Keywords
heat transfer cooling nanometermechanical engineering and machinery

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