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Effect of the Slinger Ring on the Forced Convection Heat Transfer in a Window Air Conditioner

Author

Listed:
  • Chin-Hyuk Chang

    (LG Electronics, 84, Wanam-Ro, Seongsan-Gu, Changwon-Si 51533, Republic of Korea)

  • Dae-Kwon Jeong

    (LG Electronics, 84, Wanam-Ro, Seongsan-Gu, Changwon-Si 51533, Republic of Korea)

  • Dae-Hyeok Kim

    (LG Electronics, 84, Wanam-Ro, Seongsan-Gu, Changwon-Si 51533, Republic of Korea)

  • Hyun-Cheol Park

    (LG Electronics, 84, Wanam-Ro, Seongsan-Gu, Changwon-Si 51533, Republic of Korea)

  • Jong-Ho Lee

    (LG Electronics, 84, Wanam-Ro, Seongsan-Gu, Changwon-Si 51533, Republic of Korea)

  • Man-Yeong Ha

    (School of Mechanical Engineering, Pusan National University, 2, Busandaehak-Ro 63beon-Gil, Geumjeong-Gu, Busan 46241, Republic of Korea)

  • Hyun-Sik Yoon

    (Department of Naval Architecture and Ocean Engineering, Pusan National University, 2, Busandaehak-Ro 63beon-Gil, Gumjeong-Gu, Busan 46241, Republic of Korea)

  • Min-Il Kim

    (Department of Naval Architecture and Ocean Engineering, Pusan National University, 2, Busandaehak-Ro 63beon-Gil, Gumjeong-Gu, Busan 46241, Republic of Korea)

  • Seok-Beom Hong

    (Department of Naval Architecture and Ocean Engineering, Pusan National University, 2, Busandaehak-Ro 63beon-Gil, Gumjeong-Gu, Busan 46241, Republic of Korea)

Abstract

The present study evaluates the effect of the slinger ring on the forced convection heat transfer in window air conditioners. Slinger rings are fitted around condenser fans to spread the condensate onto the condenser to achieve additional cooling. The single-phase forced convection is simulated to compare the thermal performance of the multiphase flow by the slinger ring. Experiments are performed to validate the numerical results. The numerical results well reconstruct the experimental ones, showing the regional dependent distribution and the discharge of the sprayed condensates by the slinger ring. The slinger ring causes a considerable heat transfer on the condenser coils by spraying the condensates, compared with the single-phase flow. However, the inner region of the slinger ring and the fan is almost the dead zone for the condensate spray, since the strong axial flow protects the entrainment of the splashed condensate, which is explained by the isotherms and velocity vectors. The regions of the occurrence of the additional heat transfer are almost overlapped to those exposed to the condensates sprayed by the slinger ring. The slinger ring contributes to a substantial increase of approximately 17% in the heat transfer on the condenser coils, compared with the single-phase flow.

Suggested Citation

  • Chin-Hyuk Chang & Dae-Kwon Jeong & Dae-Hyeok Kim & Hyun-Cheol Park & Jong-Ho Lee & Man-Yeong Ha & Hyun-Sik Yoon & Min-Il Kim & Seok-Beom Hong, 2023. "Effect of the Slinger Ring on the Forced Convection Heat Transfer in a Window Air Conditioner," Energies, MDPI, vol. 16(24), pages 1-18, December.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:24:p:7947-:d:1295806
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    References listed on IDEAS

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    1. G. Falkovich & A. Fouxon & M. G. Stepanov, 2002. "Acceleration of rain initiation by cloud turbulence," Nature, Nature, vol. 419(6903), pages 151-154, September.
    2. Bansal, Pradeep, 2015. "High efficiency novel window air conditioner," Applied Energy, Elsevier, vol. 156(C), pages 311-320.
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