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CFD for Aerodynamic Flight Performance Prediction: From Irrational Exuberance to Sobering Reality (Invited)
https://jaxa.repo.nii.ac.jp/records/4130
https://jaxa.repo.nii.ac.jp/records/4130038a962e-9992-4c4d-bd18-7fbd308c6ba8
名前 / ファイル | ライセンス | アクション |
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62070022.pdf (213.0 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | CFD for Aerodynamic Flight Performance Prediction: From Irrational Exuberance to Sobering Reality (Invited) | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerodynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | experimental fluid dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flight performance | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
著者 |
Raj, Pradeep
× Raj, Pradeep |
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著者所属 | ||||||
Aerospace and Ocean Engineering, Virginia Polytechnic Institute & State University | ||||||
著者所属(英) | ||||||
en | ||||||
Aerospace and Ocean Engineering, Virginia Polytechnic Institute & State University | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication 巻 JAXA-SP-13-001E, p. 271-277, 発行日 2013-11-30 |
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会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 5th Symposium on Integrating CFD and Experiments in Aerodynamics (October 3-5, 2012, Chofu Aerospace Center, Japan Aerospace Exploration Agency (JAXA)), Chofu, Tokyo, Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Accurate prediction of aerodynamic flight performance is critically important for all flight vehicle development projects. The primary motivation is to mitigate the risk of having to make design changes once the vehicle enters its flight-test phase. Experimental fluid dynamics (EFD) and computational fluid dynamics (CFD) are the two main tools for generating aerodynamic data needed to estimate flight performance. Both tools have some key differences. In the mid-1970s these differences created an irrational exuberance among some proponents of CFD who expected it to supplant wind tunnels. Since then, CFD capabilities have rapidly evolved but its limitations have also been widely recognized. Today’s Reynolds-averaged Navier-Stokes (RANS) CFD codes are capable of simulating complex flows about full aircraft configurations in a relatively quick and inexpensive manner. However, a sobering reality has set in with the realization that producing credible data remains an overarching challenge. Deficiencies in numerical modeling and flow-physics modeling affect data credibility the most. Two approaches are proposed in this paper to address these deficiencies: (i) Tightly Coupled Test and Computations (TiCTaC) for the near term, and (ii) Direct Numerical Simulation for the long term. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0062070022 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-13-001E |