IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v13y2020i16p4055-d395015.html
   My bibliography  Save this article

Effects of Tip Clearance Size on Energy Performance and Pressure Fluctuation of a Tidal Propeller Turbine

Author

Listed:
  • Bao Ngoc Tran

    (Division of Marine Engineering, Mokpo National Maritime University, 91 Haeyangdaehak-ro, Mokpo 58628, Korea)

  • Haechang Jeong

    (Division of Marine Engineering, Mokpo National Maritime University, 91 Haeyangdaehak-ro, Mokpo 58628, Korea)

  • Jun-Ho Kim

    (Division of Marine Mechatronics, Mokpo National Maritime University, 91 Haeyangdaehak-ro, Mokpo 58628, Korea)

  • Jin-Soon Park

    (Coastal Development and Ocean Energy Research Center, Korea Institute of Ocean Science and Technology, 385 Haeyang-ro, Busan 49111, Korea)

  • Changjo Yang

    (Division of Marine Engineering, Mokpo National Maritime University, 91 Haeyangdaehak-ro, Mokpo 58628, Korea)

Abstract

Unavoidable tip clearance between blade tip and casing shroud plays an important role in the performance and characteristics of a tidal propeller turbine. In this work, the tip-leakage vortex (TLV) induced in the end-wall region was numerically illustrated by using the shear-stress transport (SST) k–ω turbulence model at various flow conditions and different tip-clearance sizes (TCSs). The swirling strength criterion was employed to visualize the tip-leakage vortex trajectory and investigate vortex evolution according to clearance size change. Although TLV occurs in both design and off-design conditions, vortex intensity develops strongly under excess flow rate with increased tip gap. The extreme influence of TCS on the turbine’s generated power and efficiency was predicted in steady simulations for four TCS cases, namely, δ = 0%, 0.25%, 0.5%, and 0.75%. With the extension of the tip gap, turbine performance was drastically reduced because of vigorous turbulent leakage flow combined with considerable volumetric loss. The effect of TCS on pressure fluctuation intensity were also explored on the basis of the transient simulation statistic. Maximal pressure variation amplitude and dominant frequency were presented in spectrum analysis utilizing fast Fourier transform.

Suggested Citation

  • Bao Ngoc Tran & Haechang Jeong & Jun-Ho Kim & Jin-Soon Park & Changjo Yang, 2020. "Effects of Tip Clearance Size on Energy Performance and Pressure Fluctuation of a Tidal Propeller Turbine," Energies, MDPI, vol. 13(16), pages 1-18, August.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:16:p:4055-:d:395015
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/13/16/4055/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/13/16/4055/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Yabin Liu & Lei Tan & Yue Hao & Yun Xu, 2017. "Energy Performance and Flow Patterns of a Mixed-Flow Pump with Different Tip Clearance Sizes," Energies, MDPI, vol. 10(2), pages 1-15, February.
    2. Ji, Leilei & Li, Wei & Shi, Weidong & Chang, Hao & Yang, Zhenyu, 2020. "Energy characteristics of mixed-flow pump under different tip clearances based on entropy production analysis," Energy, Elsevier, vol. 199(C).
    3. Fusheng Meng & Qun Zheng & Jie Gao & Weiliang Fu, 2019. "Effect of Tip Clearance on Flow Field and Heat Transfer Characteristics in a Large Meridional Expansion Turbine," Energies, MDPI, vol. 12(1), pages 1-19, January.
    4. Samora, Irene & Hasmatuchi, Vlad & Münch-Alligné, Cécile & Franca, Mário J. & Schleiss, Anton J. & Ramos, Helena M., 2016. "Experimental characterization of a five blade tubular propeller turbine for pipe inline installation," Renewable Energy, Elsevier, vol. 95(C), pages 356-366.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Zhen Qin & Xiaoran Tang & Yu-Ting Wu & Sung-Ki Lyu, 2022. "Advancement of Tidal Current Generation Technology in Recent Years: A Review," Energies, MDPI, vol. 15(21), pages 1-18, October.
    2. Satou, Eiichi & Ikeda, Toshihiko & Uchiyama, Tomomi & Okayama, Tomoko & Miyazawa, Tomoaki & Takamure, Kotaro & Tsunashima, Daisuke, 2022. "Development of an undershot cross-flow hydraulic turbine resistant to snow and ice masses flowing in an installation canal," Renewable Energy, Elsevier, vol. 200(C), pages 146-153.
    3. Anatoliy M. Pavlenko & Hanna Koshlak, 2021. "Application of Thermal and Cavitation Effects for Heat and Mass Transfer Process Intensification in Multicomponent Liquid Media," Energies, MDPI, vol. 14(23), pages 1-19, November.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Kan, Kan & Zhang, Qingying & Xu, Zhe & Zheng, Yuan & Gao, Qiang & Shen, Lian, 2022. "Energy loss mechanism due to tip leakage flow of axial flow pump as turbine under various operating conditions," Energy, Elsevier, vol. 255(C).
    2. Dehghan, Amir Arsalan & Shojaeefard, Mohammad Hassan & Roshanaei, Maryam, 2024. "Exploring a new criterion to determine the onset of cavitation in centrifugal pumps from energy-saving standpoint; experimental and numerical investigation," Energy, Elsevier, vol. 293(C).
    3. Xu, Lianchen & Kan, Kan & Zheng, Yuan & Liu, Demin & Binama, Maxime & Xu, Zhe & Yan, Xiaotong & Guo, Mengqi & Chen, Huixiang, 2024. "Rotating stall mechanism of pump-turbine in hump region: An insight into vortex evolution," Energy, Elsevier, vol. 292(C).
    4. Fernández Oro, J.M. & Barrio Perotti, R. & Galdo Vega, M. & González, J., 2023. "Effect of the radial gap size on the deterministic flow in a centrifugal pump due to impeller-tongue interactions," Energy, Elsevier, vol. 278(PA).
    5. Sotoude Haghighi, M.H. & Mirghavami, S.M. & Chini, S.F. & Riasi, A., 2019. "Developing a method to design and simulation of a very low head axial turbine with adjustable rotor blades," Renewable Energy, Elsevier, vol. 135(C), pages 266-276.
    6. Daniel Biner & Vlad Hasmatuchi & Laurent Rapillard & Samuel Chevailler & François Avellan & Cécile Münch-Alligné, 2021. "DuoTurbo: Implementation of a Counter-Rotating Hydroturbine for Energy Recovery in Drinking Water Networks," Sustainability, MDPI, vol. 13(19), pages 1-26, September.
    7. Nishi, Yasuyuki & Mori, Nozomi & Yamada, Naoki & Inagaki, Terumi, 2022. "Study on the design method for axial flow runner that combines design of experiments, response surface method, and optimization method to one-dimensional design method," Renewable Energy, Elsevier, vol. 185(C), pages 96-110.
    8. Hao, Yue & Tan, Lei, 2018. "Symmetrical and unsymmetrical tip clearances on cavitation performance and radial force of a mixed flow pump as turbine at pump mode," Renewable Energy, Elsevier, vol. 127(C), pages 368-376.
    9. Song, Xijie & Luo, Yongyao & Wang, Zhengwei, 2024. "Mechanism of the influence of sand on the energy dissipation inside the hydraulic turbine under sediment erosion condition," Energy, Elsevier, vol. 294(C).
    10. Yu Song & Honggang Fan & Wei Zhang & Zhifeng Xie, 2019. "Flow Characteristics in Volute of a Double-Suction Centrifugal Pump with Different Impeller Arrangements," Energies, MDPI, vol. 12(4), pages 1-15, February.
    11. Li, Wei & Long, Yu & Ji, Leilei & Li, Haoming & Li, Shuo & Chen, Yunfei & Yang, Qiaoyue, 2024. "Effect of circumferential spokes on the rotating stall flow field of mixed-flow pump," Energy, Elsevier, vol. 290(C).
    12. Xu, Zhe & Zheng, Yuan & Kan, Kan & Chen, Huixiang, 2023. "Flow instability and energy performance of a coastal axial-flow pump as turbine under the influence of upstream waves," Energy, Elsevier, vol. 272(C).
    13. Yabin Liu & Lei Tan & Ming Liu & Yue Hao & Yun Xu, 2017. "Influence of Prewhirl Angle and Axial Distance on Energy Performance and Pressure Fluctuation for a Centrifugal Pump with Inlet Guide Vanes," Energies, MDPI, vol. 10(5), pages 1-14, May.
    14. Mu, Tong & Zhang, Rui & Xu, Hui & Fei, Zhaodan & Feng, Jiangang & Jin, Yan & Zheng, Yuan, 2023. "Improvement of energy performance of the axial-flow pump by groove flow control technology based on the entropy theory," Energy, Elsevier, vol. 274(C).
    15. Jinsong Zhang & Lei Tan, 2018. "Energy Performance and Pressure Fluctuation of a Multiphase Pump with Different Gas Volume Fractions," Energies, MDPI, vol. 11(5), pages 1-14, May.
    16. Sinagra, Marco & Aricò, Costanza & Tucciarelli, Tullio & Morreale, Gabriele, 2020. "Experimental and numerical analysis of a backpressure Banki inline turbine for pressure regulation and energy production," Renewable Energy, Elsevier, vol. 149(C), pages 980-986.
    17. Huixiang Chen & Kan Kan & Haolan Wang & Maxime Binama & Yuan Zheng & Hui Xu, 2021. "Development and Numerical Performance Analysis of a Micro Turbine in a Tap-Water Pipeline," Sustainability, MDPI, vol. 13(19), pages 1-18, September.
    18. Yang, Sun Sheng & Zhao, Erce & Fang, Tian & Kesharwani, Siddhi & Chaudhary, Shubham & Singh, Punit, 2023. "Towards an optimum pitch to chord ratio and establishing its scaling effects in low head Kaplan propellers," Renewable Energy, Elsevier, vol. 204(C), pages 750-772.
    19. Chengzao Han & Yun Long & Mohan Xu & Bin Ji, 2021. "Verification and Validation of Large Eddy Simulation for Tip Clearance Vortex Cavitating Flow in a Waterjet Pump," Energies, MDPI, vol. 14(22), pages 1-18, November.
    20. Simin Shen & Zhongdong Qian & Bin Ji, 2019. "Numerical Analysis of Mechanical Energy Dissipation for an Axial-Flow Pump Based on Entropy Generation Theory," Energies, MDPI, vol. 12(21), pages 1-22, October.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:13:y:2020:i:16:p:4055-:d:395015. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.