High order accurate dual-phase-lag numerical model for microscopic heating in multiple domains
- Publisher:
- PERGAMON-ELSEVIER SCIENCE LTD
- Publication Type:
- Journal Article
- Citation:
- International Communications in Heat and Mass Transfer, 2016, 78, pp. 21-28
- Issue Date:
- 2016-11-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| 1-s2.0-S0735193316302238-main.pdf | 1.18 MB |
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In this article, a characteristic-based dual-phase-lag numerical model based on finite difference method has been developed to predict the microscopic heating response in time as well as consideration of the micro-structured effect. High-order TVD (Total Variation Diminishing) schemes being oscillation-free can yield high-order accurate solutions without introducing wiggles and therefore are utilised in this work. A multi-domain approach integrated within the dual-phase-lag numerical model allows the computation of microscopic conjugate heat transfer problems. Effects of different phase-lag values on the behaviour of heat transfer are investigated. The model is capable of predicting temperature patterns transiting from the wave nature of heat propagation to additional diffusion being experienced within different solid regions via phonon–electron interaction or phonon scattering.
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