| Citation: | XIANG Yang, WU Jianghao, XIONG Junjianget al. Aerodynamic design of nacelle of blended-wing-body aircraft with distributed propulsion[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(1): 71-81. doi: 10.13700/j.bh.1001-5965.2017.0027(in Chinese)
|
Nacelle design has a significant effect on aerodynamic performance of blended-wing-body (BWB) aircraft with distributed propulsion. To clarify the effect and its reason of primary nacelle design parameters on aerodynamic performance of BWB aircraft with boundary layer ingestion (BLI) effect, a detailed study was conducted by computational fluid dynamics (CFD) method and Morris sensitivity analysis method. Sensitivity order and coupled effect of primary design parameters on aerodynamic performance were obtained. Flow details of higher sensitivity and greater coupled effect parameters were analyzed under baseline and alternative condition. The results show that the relatively most significant parameters are the maximum thickness of section 2 and 3. The main reason is that local thickness and camber increase, and pressure distribution of whole nacelle surface is changed. Leeward local stall will occur as the maximum thickness increases configuration when mass flow rate decreases and inlet location along the chord direction moves forward. The coupled effect of the maximum thickness of section 2 and 3 on aerodynamic performance is relatively significant.
| [1] |
LIEBECK R H.Design of the blended wing body subsonic transport[J].Journal of Aircraft, 2004, 41(1):10-25. doi: 10.2514/1.9084
|
| [2] |
QIN N, VAVALLE A, MOIGNE L A, et al.Aerodynamic considerations of blended wing body aircraft[J].Progress in Aerospace Sciences, 2004, 40(6):321-343. doi: 10.1016/j.paerosci.2004.08.001
|
| [3] |
LABAN M, ARENDSEN P, ROUWHORST W, et al. A computational design engine for multi-disciplinary optimisation with application to a blended wing body configuration[C]//9th AIAA/ASSMO Multidisciplinary Analysis and Optimization Conference. Reston: AIAA, 2002.
|
| [4] |
KIM H, LIOU M F, LIOU M S. Mail-slot nacelle shape design for N3-X hybrid wing body configuration[C]//51st AIAA/SAE/ASEE Joint Propulsion Conference. Reston: AIAA, 2015: 3805.
|
| [5] |
KO A. The multidisciplinary design optimization of a distributed propulsion blended-wing-body aircraft[D]. Blacksburg: Virgina Polytechnic Institute and State University, 2003. https://vtechworks.lib.vt.edu/handle/10919/27257
|
| [6] |
GOHARDANI A S, DOULGERIS G, SINGH R.Challenges of future aircraft propulsion:A review of distributed propulsion technology and its potential application for the all electric commercial aircraft[J].Progress in Aerospace Sciences, 2011, 47(5):369-391. doi: 10.1016/j.paerosci.2010.09.001
|
| [7] |
KIM H D, BROWN G V, FELDER J L. Distributed turboelectric propulsion for hybrid wing body aircraft[C]//9th International Powered Lift Conference. London: Royal Aeronautical Society, 2008.
|
| [8] |
HILEMAN J I, SPAKOVSZKY Z S, DRELA M, et al.Airframe design for silent fuel-efficient aircraft[J].Journal of Aircraft, 2010, 47(3):956-969. doi: 10.2514/1.46545
|
| [9] |
KO A, LEIFSSON L T, SCHETZ J A, et al. MDO of a blended-wing-body transport aircraft with distributed propulsion: AIAA-2003-6732[R]. Reston: AIAA, 2003.
|
| [10] |
KO A, SCHETZ J A, MASON W H. Assessment of the potential advantages of distributed-propulsion for aircraft[C]//XVIth International Symposium on Air Breathing Engines (ISABE). Reston: AIAA, 2003: 71-79.
|
| [11] |
RODRIGUEZ D L.Multidisciplinary optimization method for designing boundary-layer-ingesting inlets[J].Journal of Aircraft, 2009, 46(3):883-894. doi: 10.2514/1.38755
|
| [12] |
LUNDBLADH A, GRÖNSTEDT T. Distributed propulsion and turbofan scale effects[C]//ISABE 2005, 17th Symposium on Airbreathing Engine. Reston: AIAA, 2005.
|
| [13] |
LIOU M S, KIM H J, LIOU M F. Aerodynamic design of the hybrid wing body with nacelle: N3-X propulsion-airframe configuration[C]//34th AIAA Applied Aerodynamics Conference. Reston: AIAA, 2016: 3875.
|
| [14] |
闫万方, 吴江浩, 张艳来.分布式推进关键参数对BWB飞机气动特性影响[J].北京航空航天大学学报, 2015, 41(6):1055-1065. http://bhxb.buaa.edu.cn/CN/abstract/abstract13289.shtml
YAN W F, WU J H, ZHANG Y L.Effects of distributed propulsion crucial variables on aerodynamic performance of blended wing body aircraft[J].Journal of Beijing University of Aeronautics and Astronautics, 2015, 41(6):1055-1065(in Chinese). http://bhxb.buaa.edu.cn/CN/abstract/abstract13289.shtml
|
| [15] |
项洋, 吴江浩, 张艳来.BLI效应下整流罩设计对翼型气动特性的影响[J].北京航空航天大学学报, 2016, 42(5):945-952. http://bhxb.buaa.edu.cn/CN/abstract/abstract13921.shtml
XIANG Y, WU J H, ZHANG Y L.Effects of cowling design on aerodynamic performance of airfoil with BLI[J].Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5):945-952(in Chinese). http://bhxb.buaa.edu.cn/CN/abstract/abstract13921.shtml
|
| [16] |
NICHOLS M R, KEITH A L. Investigation of a systematic group of NACA 1-series cowlings with and without spinners: NACA-Report-950[R]. Washington, D. C. : U. S. Government Printing Office, 1950.
|
| [17] |
MORRIS M D.Factorial sampling plans for preliminary computational experiments[J].Technometrics, 1991, 33(2):161-174. doi: 10.1080/00401706.1991.10484804
|
Figures(16) / Tables(7)
Copyright © Journal of Beijing University of Aeronautics and Astronautics
Address: Editorial Department of Journal of Beijing University of Aeronautics and Astronautics, 37 Xueyuan Road, Haidian District, Beijing Post Code: 100191 Email: jbuaa@buaa.edu.cn
Supported by:
Beijing Renhe Information Technology Co., Ltd.
DownLoad:
