翼身融合水下滑翔机翼梢小翼减阻效应研究

Da Lü; Baowei Song; Jun Jiang; Qiaogao Huang

doi:10.13245/j.hust.180612

翼身融合水下滑翔机翼梢小翼减阻效应研究

Translated title of the contribution: Research on drag reduction effect of winglet applied in blended-wing-body underwater gliders

Da Lü
, Baowei Song
, Jun Jiang
, Qiaogao Huang

School of Marine Science and Technology

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

This paper aims to explore the effect of winglet equipped in blended wing body (BWB) underwater gliders.Com- putational fluid dynamics (CFD) method was used to obtain the fluid dynamic characters of BWB underwater gliders.The drag reduction efficient of different glider models with different height,sweep angle and slope angle under variable angles of attack were obtained and analyzed.Wake flow of different models was observed and the principles of drag reduction were analyzed.Comparisons between different models reveal that the vortex in wake flow is significantly affected by the winglet in a certain velocity.A proper winglet helps reducing the vortex magnitude and inhibits the occurrence of the vortex.As a result,the drag decreases in certain angles of attack.

Translated title of the contribution	Research on drag reduction effect of winglet applied in blended-wing-body underwater gliders
Original language	Chinese (Traditional)
Pages (from-to)	65-70
Number of pages	6
Journal	Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)
Volume	46
Issue number	6
DOIs	https://doi.org/10.13245/j.hust.180612
State	Published - 23 Jun 2018

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10.13245/j.hust.180612

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title = "翼身融合水下滑翔机翼梢小翼减阻效应研究",

abstract = "This paper aims to explore the effect of winglet equipped in blended wing body (BWB) underwater gliders.Com- putational fluid dynamics (CFD) method was used to obtain the fluid dynamic characters of BWB underwater gliders.The drag reduction efficient of different glider models with different height,sweep angle and slope angle under variable angles of attack were obtained and analyzed.Wake flow of different models was observed and the principles of drag reduction were analyzed.Comparisons between different models reveal that the vortex in wake flow is significantly affected by the winglet in a certain velocity.A proper winglet helps reducing the vortex magnitude and inhibits the occurrence of the vortex.As a result,the drag decreases in certain angles of attack.",

keywords = "Blended wing body, Drag reduction, Gliders, Underwater vehicles, Winglet",

author = "Da L{\"u} and Baowei Song and Jun Jiang and Qiaogao Huang",

year = "2018",

month = jun,

day = "23",

doi = "10.13245/j.hust.180612",

language = "繁体中文",

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journal = "Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)",

issn = "1671-4512",

publisher = "Huazhong University of Science and Technology",

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TY - JOUR

T1 - 翼身融合水下滑翔机翼梢小翼减阻效应研究

AU - Lü, Da

AU - Song, Baowei

AU - Jiang, Jun

AU - Huang, Qiaogao

PY - 2018/6/23

Y1 - 2018/6/23

N2 - This paper aims to explore the effect of winglet equipped in blended wing body (BWB) underwater gliders.Com- putational fluid dynamics (CFD) method was used to obtain the fluid dynamic characters of BWB underwater gliders.The drag reduction efficient of different glider models with different height,sweep angle and slope angle under variable angles of attack were obtained and analyzed.Wake flow of different models was observed and the principles of drag reduction were analyzed.Comparisons between different models reveal that the vortex in wake flow is significantly affected by the winglet in a certain velocity.A proper winglet helps reducing the vortex magnitude and inhibits the occurrence of the vortex.As a result,the drag decreases in certain angles of attack.

AB - This paper aims to explore the effect of winglet equipped in blended wing body (BWB) underwater gliders.Com- putational fluid dynamics (CFD) method was used to obtain the fluid dynamic characters of BWB underwater gliders.The drag reduction efficient of different glider models with different height,sweep angle and slope angle under variable angles of attack were obtained and analyzed.Wake flow of different models was observed and the principles of drag reduction were analyzed.Comparisons between different models reveal that the vortex in wake flow is significantly affected by the winglet in a certain velocity.A proper winglet helps reducing the vortex magnitude and inhibits the occurrence of the vortex.As a result,the drag decreases in certain angles of attack.

KW - Blended wing body

KW - Drag reduction

KW - Gliders

KW - Underwater vehicles

KW - Winglet

UR - https://www.scopus.com/pages/publications/85052510490

U2 - 10.13245/j.hust.180612

DO - 10.13245/j.hust.180612

M3 - 文章

AN - SCOPUS:85052510490

SN - 1671-4512

VL - 46

SP - 65

EP - 70

JO - Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)

JF - Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition)

IS - 6

ER -

翼身融合水下滑翔机翼梢小翼减阻效应研究

Abstract

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