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Energy-saving potential of an indirect evaporative cooler

Author

Listed:
  • Maheshwari, G. P.
  • Al-Ragom, F.
  • Suri, R. K.

Abstract

In many parts of the world, large differences between the dry-bulb and wet-bulb temperatures during the summer season can be used advantageously to pre-cool fresh air for air-conditioned space using an indirect evaporative cooler (IEC). This paper presents an analytical evaluation using the field performance results of a 1180 L/s (2500 ft3/min) IEC unit and the recorded weather data in coastal and interior locations in Kuwait. Estimated cooling capacity of the IEC is 3.1 and 2.4 tons of refrigeration (RT, 1 RT=3.517 kW of heat absorption), for the interior and the coastal areas, respectively. Furthermore, the power requirements of a conventional packaged unit air-conditioner (PU) to produce this cooling in these respective areas are 4.93 and 3.85 kW compared with only 1.11 kW needed by the IEC. Also, the seasonal energy savings of the IEC are 12,418 and 6320 kWh, for the interior and coastal areas, respectively.

Suggested Citation

  • Maheshwari, G. P. & Al-Ragom, F. & Suri, R. K., 2001. "Energy-saving potential of an indirect evaporative cooler," Applied Energy, Elsevier, vol. 69(1), pages 69-76, May.
    • Handle: RePEc:eee:appene:v:69:y:2001:i:1:p:69-76
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    References listed on IDEAS

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    1. Al-Marafie, A.M.R. & Suri, R.K. & Maheshwari, G.P., 1989. "Energy and power management in air-conditioned buildings in Kuwait," Energy, Elsevier, vol. 14(9), pages 557-562.
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    Cited by:

    1. Kim, Min-Hwi & Jeong, Jae-Weon, 2013. "Cooling performance of a 100% outdoor air system integrated with indirect and direct evaporative coolers," Energy, Elsevier, vol. 52(C), pages 245-257.
    2. Yu, Binbin & Yang, Jingye & Wang, Dandong & Shi, Junye & Chen, Jiangping, 2019. "An updated review of recent advances on modified technologies in transcritical CO2 refrigeration cycle," Energy, Elsevier, vol. 189(C).
    3. Xu, Peng & Ma, Xiaoli & Zhao, Xudong & Fancey, Kevin, 2017. "Experimental investigation of a super performance dew point air cooler," Applied Energy, Elsevier, vol. 203(C), pages 761-777.
    4. Zouaoui, Ahlem & Zili-Ghedira, Leila & Ben Nasrallah, Sassi, 2016. "Open solid desiccant cooling air systems: A review and comparative study," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 889-917.
    5. Muhammad Kashif & Hassan Niaz & Muhammad Sultan & Takahiko Miyazaki & Yongqiang Feng & Muhammad Usman & Muhammad W. Shahzad & Yasir Niaz & Muhammad M. Waqas & Imran Ali, 2020. "Study on Desiccant and Evaporative Cooling Systems for Livestock Thermal Comfort: Theory and Experiments," Energies, MDPI, vol. 13(11), pages 1-18, May.
    6. Chen, Yi & Yang, Hongxing & Luo, Yimo, 2017. "Parameter sensitivity analysis and configuration optimization of indirect evaporative cooler (IEC) considering condensation," Applied Energy, Elsevier, vol. 194(C), pages 440-453.
    7. Muhammad Aleem & Ghulam Hussain & Muhammad Sultan & Takahiko Miyazaki & Muhammad H. Mahmood & Muhammad I. Sabir & Abdul Nasir & Faizan Shabir & Zahid M. Khan, 2020. "Experimental Investigation of Desiccant Dehumidification Cooling System for Climatic Conditions of Multan (Pakistan)," Energies, MDPI, vol. 13(21), pages 1-23, October.
    8. Li, Y. & Arulnathan, V. & Heidari, M.D. & Pelletier, N., 2022. "Design considerations for net zero energy buildings for intensive, confined poultry production: A review of current insights, knowledge gaps, and future directions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 154(C).
    9. Kim, Hui-Jeong & Ham, Sang-Woo & Yoon, Dong-Seob & Jeong, Jae-Weon, 2017. "Cooling performance measurement of two cross-flow indirect evaporative coolers in general and regenerative operation modes," Applied Energy, Elsevier, vol. 195(C), pages 268-277.
    10. Jing Lv & Bo Zhou & Mengya Zhu & Wenhao Xi & Eric Hu, 2022. "Experimental Study on the Performance of a Dew-Point Evaporative Cooling System with a Nanoporous Membrane," Energies, MDPI, vol. 15(7), pages 1-17, April.
    11. Chen, Yi & Yan, Huaxia & Luo, Yimo & Yang, Hongxing, 2019. "A proportional–integral (PI) law based variable speed technology for temperature control in indirect evaporative cooling system," Applied Energy, Elsevier, vol. 251(C), pages 1-1.
    12. Cuce, Pinar Mert & Riffat, Saffa, 2016. "A state of the art review of evaporative cooling systems for building applications," Renewable and Sustainable Energy Reviews, Elsevier, vol. 54(C), pages 1240-1249.
    13. Zhan, Changhong & Duan, Zhiyin & Zhao, Xudong & Smith, Stefan & Jin, Hong & Riffat, Saffa, 2011. "Comparative study of the performance of the M-cycle counter-flow and cross-flow heat exchangers for indirect evaporative cooling – Paving the path toward sustainable cooling of buildings," Energy, Elsevier, vol. 36(12), pages 6790-6805.
    14. Nada, S.A. & Elattar, H.F. & Mahmoud, M.A. & Fouda, A., 2020. "Performance enhancement and heat and mass transfer characteristics of direct evaporative building free cooling using corrugated cellulose papers," Energy, Elsevier, vol. 211(C).
    15. Cui, X. & Chua, K.J. & Yang, W.M., 2014. "Numerical simulation of a novel energy-efficient dew-point evaporative air cooler," Applied Energy, Elsevier, vol. 136(C), pages 979-988.
    16. Anisimov, Sergey & Pandelidis, Demis & Jedlikowski, Andrzej & Polushkin, Vitaliy, 2014. "Performance investigation of a M (Maisotsenko)-cycle cross-flow heat exchanger used for indirect evaporative cooling," Energy, Elsevier, vol. 76(C), pages 593-606.
    17. Mohammad, Abdulrahman Th. & Bin Mat, Sohif & Sulaiman, M.Y. & Sopian, K. & Al-abidi, Abduljalil A., 2013. "Survey of hybrid liquid desiccant air conditioning systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 20(C), pages 186-200.
    18. Velasco Gómez, Eloy & Tejero González, Ana & Rey Martínez, Francisco Javier, 2012. "Experimental characterisation of an indirect evaporative cooling prototype in two operating modes," Applied Energy, Elsevier, vol. 97(C), pages 340-346.
    19. Duan, Zhiyin & Zhan, Changhong & Zhang, Xingxing & Mustafa, Mahmud & Zhao, Xudong & Alimohammadisagvand, Behrang & Hasan, Ala, 2012. "Indirect evaporative cooling: Past, present and future potentials," Renewable and Sustainable Energy Reviews, Elsevier, vol. 16(9), pages 6823-6850.
    20. Jradi, M. & Riffat, S., 2014. "Experimental and numerical investigation of a dew-point cooling system for thermal comfort in buildings," Applied Energy, Elsevier, vol. 132(C), pages 524-535.
    21. Zeynab Emdadi & Nilofar Asim & Mohd Ambar Yarmo & Roslinda Shamsudin & Masita Mohammad & Kamaruzaman Sopian, 2016. "Green Material Prospects for Passive Evaporative Cooling Systems: Geopolymers," Energies, MDPI, vol. 9(8), pages 1-19, July.

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