基于DDES模拟的叶顶泄漏流与尾迹非定常干涉机理

doi:10.7527/S1000-6893.2022.28325

Abstract

Abstract:

Tip leakage flow containing multiple spatial and temporal scale flow field structures is one of the major sources of aerodynamic losses and unsteadiness in turbine. This study employs Delayed Detached Eddy Simulation （DDES） to simulate the tip leakage flow in a high-pressure turbine rotor. The structure and unsteady characteristics， as well as the unsteady interaction between the tip leakage flow and the wake are analyzed. Based on the unsteady entropy transport equation， the loss mechanism of the leakage flow zone is decomposed and studied. It is found that the DDES method can finely capture the multiscale flow field structure and mutual interference of the leakage flow and wake. The result shows that the interference between the leakage flow and the wake vortex can lead to a significant shift of the wake vortex trajectory， accompanied by the generation of vortex fragmentation with a strong unsteady effect. Based on the unsteady entropy transport equation， the loss caused by vortex fragmentation can account for 23.3% of the pulsation loss， becoming an important source of loss.

Key words: tip leakage flow, wake, unsteady interference, DDES, entropy generation

CLC Number:

V231.3

Hui LI, Tong HUANG, Xinrong SU, Xin YUAN. DDES analysis of unsteady characteristics of interaction between tip leakage flow and wake[J]. Acta Aeronautica et Astronautica Sinica, 2023, 44(14): 628325-628325.

Figures/Tables 14

Fig.1

Fig.2

Fig.3

Fig.4

Fig.5

Fig.6

Fig.7

Fig.8

Fig.9

Fig.10

Fig.11

Fig.12

Fig.13

Fig.14

References 27

1	DENTON J D. Loss mechanisms in turbomachines ［C］∥ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. New York： ASME， 1993： V002T14A001.
2	AMERI A A， RIGBY D L， STEINTHORSSON E， et al. Unsteady turbine blade and tip heat transfer due to wake passing ［C］∥ Turbo Expo： Power for Land， Sea， and Air. New York： ASME， 2007： 507-515.
3	刘火星，袁耀，余弦，等. 涡轮叶栅尾迹对泄漏流影响的试验研究［J］. 工程热物理学报， 2010， 31（4）： 581-584.
	LIU H X， YUAN Y， YU X， et al. The investigation for influence of wake on leakage flow in a turbine cascade［J］. Journal of Engineering Thermophysics， 2010， 31（4）： 581-584 （in Chinese）.
4	ZHOU K， ZHOU C. Unsteady effects of vortex interaction on tip leakage vortex breakdown and its loss mechanism［J］. Aerospace Science and Technology， 2018， 82-83： 363-371.
5	ZHOU K， ZHOU C. Aerodynamic interaction between an incoming vortex and tip leakage flow in a turbine cascade ［J］. Journal of Turbomachinery， 2018， 140（11）： 111004.
6	杨佃亮，丰镇平. 非定常叶顶间隙泄漏流动和换热的数值研究［J］. 工程热物理学报， 2008， 29（8）： 1307-1310.
	YANG D L， FENG Z P. Numerical study of the unsteady blade tip leakage flow and heat transfer［J］. Journal of Engineering Thermophysics， 2008， 29（8）： 1307-1310 （in Chinese）.
7	GAO J， ZHENG Q， DONG P， et al. Control of tip leakage vortex breakdown by tip injection in unshrouded turbines［J］. Journal of Propulsion and Power， 2014， 30（6）： 1510-1519.
8	SELL M， TREIBER M， CASCIARO C， et al. Tip-clearance-affected flow fields in a turbine blade row［J］. Proceedings of the Institution of Mechanical Engineers， Part A： Journal of Power and Energy， 1999， 213（4）： 309-318.
9	HUANG A C， GREITZER E， TAN C， et al. Blade loading effects on axial turbine tip leakage vortex dynamics and loss ［J］. Journal of turbomachinery， 2013， 135（5）： 051012.
10	YANG Y， MA H W. Hybrid RANS/LES study of tip leakage vortex instability and turbulence characteristics of a transonic turbine cascade［J］. Aerospace Science and Technology， 2022， 128： 107758.
11	SHANG W Q， LI D， LUO K， et al. Evaluation of the spatiotemporal unsteady characteristics of the tip leakage vortex based on a direct numerical simulation database［J］. Physics of Fluids， 2022， 34（6）： 065131.
12	GAO Y， LIU Y. Investigation of the unsteady flow features in a tip leakage vortex dynamics and loss ［C］∥GPPS Beijing 19： Technical Coference. Beijing： Global Power and Propulsion Society， 2019： 1-8.
13	LASKOWSKI G M， KOPRIVA J， MICHELASSI V， et al. Future directions of high fidelity CFD for aerothermal turbomachinery analysis and design［C］∥ 46th AIAA Fluid Dynamics Conference. Reston： AIAA， 2016.
14	SPALART P R. Comments on the feasibility of LES for wings， and on a hybrid RANS/LES approach ［C］∥ Advances in DNS/LES： Proceedings of First AFOSR InterNational Conference on DNS/LES. Lansing： Greyden Press， 1997： 137-147.
15	SPALART P R， DECK S， SHUR M L， et al. A new version of detached-eddy simulation， resistant to ambiguous grid densities［J］. Theoretical and Computational Fluid Dynamics， 2006， 20（3）： 181-195.
16	LIN D， SU X R， YUAN X. DDES analysis of wake vortex related unsteadiness and losses in the environment of high-pressure turbine stage［C］∥ Proceedings of ASME Turbo Expo 2017： Turbomachinery Technical Conference and Exposition. New York： ASME， 2017
17	BIAN X T， WANG Q S， CHEN Z Y， et al. Hybrid RANS/LES study of complex turbulence characteristics and flow mechanisms on the highly-loaded turbine endwall［J］. Aerospace Science and Technology， 2019， 94： 105404.
18	WANG H， LIN D， SU X R， et al. Entropy analysis of the interaction between the corner separation and wakes in a compressor cascade［J］. Entropy， 2017， 19（7）： 324.
19	SU X R， SASAKI D， NAKAHASHI K. On the efficient application of weighted essentially nonoscillatory scheme［J］. International Journal for Numerical Methods in Fluids， 2013， 71（2）： 185-207.
20	SU X R， YAMAMOTO S， YUAN X. On the accurate prediction of tip vortex： effect of numerical schemes［C］∥ ASME Turbo Expo 2013： Turbine Technical Conference and Exposition. New York： ASME， 2013： V06BT37A013.
21	SU X R， YUAN X. Implicit solution of time spectral method for periodic unsteady flows［J］. International Journal for Numerical Methods in Fluids， 2010， 63（7）： 860-876. .
22	MA C， SU X R， YUAN X. An efficient unsteady adjoint optimization system for multistage turbomachinery［J］. Journal of Turbomachinery， 2017， 139（1）： 011003.
23	STRELETS M. Detached eddy simulation of massively separated flows［C］∥ 39th Aerospace Sciences Meeting and Exhibit. Reston： AIAA， 2001.
24	LI H， SU X R， YUAN X. Analysis of the relationship between turbulence characteristics and loss mechanism in the tip leakage flow of turbine blade［J］. Proceedings of the Institution of Mechanical Engineers， Part A： Journal of Power and Energy， 2021， 235（6）： 1302-1314.
25	CELIK I B， CEHRELI Z N， YAVUZ I. Index of resolution quality for large eddy simulations［J］. Journal of Fluids Engineering， 2005， 127（5）： 949-958.
26	SU X R， BIAN X T， LI H， et al. Unsteady flows of a highly loaded turbine blade with flat endwall and contoured endwall［J］. Aerospace Science and Technology， 2021， 118： 106989.
27	LIN D， SU X R， YUAN X. The development and mechanisms of the high pressure turbine vane wake vortex［J］. Journal of Engineering for Gas Turbines and Power， 2018， 140（9）： 092601.

[1]	Shaoqiang HAN, Wenping SONG, Zhonghua HAN, Jianhua XU. High-accuracy numerical-simulation of unsteady flow over high-speed coaxial rigid rotors [J]. Acta Aeronautica et Astronautica Sinica, 2024, 45(9): 529064-529064.
[2]	Kangshen XIANG, Weijie CHEN, Jianxin LIAN, Weiyang QIAO. Numerical analysis of effect of bend/lean stator on turbine tonal noise [J]. Acta Aeronautica et Astronautica Sinica, 2024, 45(10): 129366-129366.
[3]	Fangjian WANG, Ke XIE, Jin LIU, Yuhui SONG, Han QIN, Lan CHEN. Unsteady flow and wing rock characteristics of low aspect ratio flying-wing [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023, 44(4): 126449-126449.
[4]	Zeyu REN, Xiaogang WANG, Shaohua CHENG, Xiaobo QUAN. Numerical simulation and experiment of ventilated cloud cavitation on underwater vehicle under vertical emission conditions [J]. Acta Aeronautica et Astronautica Sinica, 2023, 44(21): 528450-528450.
[5]	Yang ZHANG, Jiaqi LUO, Xian ZENG. Elliptic flow noise by improved ghost⁃cell immersed boundary method [J]. Acta Aeronautica et Astronautica Sinica, 2023, 44(19): 128418-128418.
[6]	Yue WANG, Wenping SONG, Minhua SONG, Zhonghua HAN, Yanjun ZHANG, Wutao LEI. Aero-acoustic prediction of turboprop models with and without propellers in landing configuration [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2023, 44(11): 126110-126110.
[7]	ZHANG Junduo, ZUO Qinghai, LIN Mengda, HUANG Weixi, PAN Weijun, CUI Guixiang. Numerical simulation on near-field evolution of wake vortices of ARJ21 plane with crosswind [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(5): 125043-125043.
[8]	LIU Jiahao, LI Gaohua, WANG Fuxin. Rotor-wing aerodynamic interference characteristics in conversion mode [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(12): 126097-126097.
[9]	WEI Ziyan, LI Jie, ZHANG Heng, YANG Zhao. Improved aerodynamic design of laminar wing section of laminar verifying aircraft [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2022, 43(11): 526760-526760.
[10]	WANG Xiao, CHENG Jianhui, SHEN Tianrong, XU Baocheng, MENG Xuan. Numerical simulation research of influence of wake flow field on inlet temperature field of carrier-based aircraft [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(8): 525795-525795.
[11]	YU Min, YANG Wubing, SHEN Qing. Mixing enhancement of supersonic wake shear layer [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(12): 625876-625876.
[12]	LUO Fei, ZHANG Junhong, WANG Bo, TANG Ruilin, TANG Wei. Air wake suppression method based on direct lift and nonlinear dynamic inversion control [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(12): 124770-124770.
[13]	CHEN Hao, YUAN Xianxu, BI Lin, HUA Ruhao, SI Fangfang, TANG Zhigong. Simulation of separated flow based on RANS/LES hybrid method [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(8): 123642-123642.
[14]	YI Miaorong, ZHAO Huiyong, LE Jialing, XIAO Baoguo, ZHENG Zhonghua. γ-Re_θ transition model based on IDDES frame [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2019, 40(8): 122726-122726.
[15]	DENG Lei, DUAN Zhuoyi, QIAN Ruizhan, XU Ruifei, GAO Yongwei. Effect of propeller slipstream on wake field of a nacelle/wing configuration [J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2019, 40(5): 122434-122434.

DDES analysis of unsteady characteristics of interaction between tip leakage flow and wake

RichHTML

PDF (PC)

Knowledge

Abstract

Cite this article

share this article

Figures/Tables 14

References 27

Related Articles 15

Recommended Articles

Metrics

Comments