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Computational Thermal Sciences: An International Journal

Publicado 6 números por año

ISSN Imprimir: 1940-2503

ISSN En Línea: 1940-2554

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.5 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00017 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.279 SNIP: 0.544 CiteScore™:: 2.5 H-Index: 22

Indexed in

NUMERICAL STUDY OF PYROLYSIS GAS FLOW AND HEAT TRANSFER INSIDE AN ABLATOR

Volumen 4, Edición 3, 2012, pp. 225-242
DOI: 10.1615/ComputThermalScien.2012004762
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SINOPSIS

A numerical simulation of a lightweight ablator in an arc-heated flow was carried out. Thermal response analysis of the ablator was coupled with thermochemical nonequilibrium analysis of an arc jet around the ablator. In the thermal response analysis, the pyrolysis gas flow inside the ablator was calculated in detail by solving the conservation equations. Phenomena such as heat conduction, pyrolysis of resin, surface reactions, and recession were also considered in the simulation. Furthermore, in order to evaluate the injection of the ablation gas (pyrolysis gas and carbonaceous gas generated by the surface reactions) from the ablator surface into the outer flow field, a computational fluid dynamics code was extended by including further chemical species besides those in the previous study. This also allowed the simulations for wider-range flow conditions such as a nitrogen flow and airflow. The simulation was conducted for flow conditions of a 20 kW arc−heated nitrogen flow and a 750 kW arc−heated airflow. The results from the former simulation were compared with the experimental data and the computational results using other models. This comparison showed that the effect of the pyrolysis gas flow on the thermal response was significant, and thus the detailed analysis considering the multidimensional pyrolysis gas flow led to a considerable improvement of the predictive performance.

CITADO POR
  1. Weng Haoyue, Martin Alexandre, Multidimensional Modeling of Pyrolysis Gas Transport Inside Charring Ablative Materials, Journal of Thermophysics and Heat Transfer, 28, 4, 2014. Crossref

  2. Yu Minghao, Takahashi Yusuke, Kihara Hisashi, Abe Ken-ichi, Yamada Kazuhiko, Abe Takashi, Numerical Investigation of Flow Fields in Inductively Coupled Plasma Wind Tunnels, Plasma Science and Technology, 16, 10, 2014. Crossref

  3. Weng Haoyue, Martin Alexandre, Numerical Investigation of Pyrolysis Gas Blowing Pattern and Thermal Response using Orthotropic Charring Ablative Material, 11th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, 2014. Crossref

  4. Weng Haoyue, Martin Alexandre, Numerical Investigation of Thermal Response Using Orthotropic Charring Ablative Material, Journal of Thermophysics and Heat Transfer, 29, 3, 2015. Crossref

  5. Kihara Hisashi, Hirata Naoya, Abe Ken-ichi, A Study of Thermal Response and Flow Field Coupling Simulation around Hayabusa Capsule Loaded with Light-Weight Ablator, Open Journal of Fluid Dynamics, 03, 02, 2013. Crossref

  6. Li Wei, Zhang Jun, Fang GuoDong, Li WeiJie, Liang Jun, Meng SongHe, Evaluation of numerical ablation model for charring composites, Science China Technological Sciences, 62, 8, 2019. Crossref

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