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On-site real-time evaluation of an air-conditioning direct-fired double-effect absorption chiller

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Listed:
  • Torrella, E.
  • Sánchez, D.
  • Cabello, R.
  • Larumbe, J.A.
  • Llopis, R.

Abstract

This work presents a procedure for calculating the COP and heat transfer rates, based on on-site experimental temperature measurements, of a lithium-bromide/water direct-fired double-effect absorption chiller in reverse parallel flow configuration, running on natural gas. The chiller was equipped with a set of thermocouples which allowed measuring its working temperature levels through all its operating stages. The chiller analysed in this work is the central cooling system of the air-conditioning installation of the Principe Felipe Science Museum, located at the Valencia's City of Arts and Sciences (Spain). This installation is capable of providing a cooling capacity of 4.5 millions of kcal/h (5.2Â MW), by means of three direct-fired double-effect absorption chillers. From the experimental measurements a calculation procedure, based on energy and mass balances, has been developed, which allows estimating the specific powers by unit of mass flow rate through the evaporator. From these power values the instantaneous COP of the chiller could be obtained. Additionally, the paper analyzes different aspects that were not possible to be considered and details the actions taken in order to take them into account.

Suggested Citation

  • Torrella, E. & Sánchez, D. & Cabello, R. & Larumbe, J.A. & Llopis, R., 2009. "On-site real-time evaluation of an air-conditioning direct-fired double-effect absorption chiller," Applied Energy, Elsevier, vol. 86(6), pages 968-975, June.
    • Handle: RePEc:eee:appene:v:86:y:2009:i:6:p:968-975
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    Citations

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    Cited by:

    1. Jayasekara, Saliya & Halgamuge, Saman K., 2014. "A combined effect absorption chiller for enhanced performance of combined cooling heating and power systems," Applied Energy, Elsevier, vol. 127(C), pages 239-248.
    2. González-Gil, A. & Izquierdo, M. & Marcos, J.D. & Palacios, E., 2012. "New flat-fan sheets adiabatic absorber for direct air-cooled LiBr/H2O absorption machines: Simulation, parametric study and experimental results," Applied Energy, Elsevier, vol. 98(C), pages 162-173.
    3. Yu, F.W. & Chan, K.T., 2012. "Improved energy management of chiller systems by multivariate and data envelopment analyses," Applied Energy, Elsevier, vol. 92(C), pages 168-174.
    4. Jayasekara, Saliya & Halgamuge, Saman K., 2013. "Mathematical modeling and experimental verification of an absorption chiller including three dimensional temperature and concentration distributions," Applied Energy, Elsevier, vol. 106(C), pages 232-242.
    5. Ascione, Fabrizio & Bellia, Laura & Capozzoli, Alfonso, 2013. "A coupled numerical approach on museum air conditioning: Energy and fluid-dynamic analysis," Applied Energy, Elsevier, vol. 103(C), pages 416-427.
    6. Cola, Fabrizio & Hey, Jonathan & Romagnoli, Alessandro, 2018. "Characterization of the droplet formation phase for the H2OLiBr absorber: An analytical and experimental analysis," Applied Energy, Elsevier, vol. 222(C), pages 885-897.
    7. Siddique, Muhammad Zeeshan & Badar, Abdul Waheed & Siddiqui, M. Salman & Butt, Fahad Sarfraz & Saleem, Muhammad & Mahmood, Khalid & Fazal, Imran, 2022. "Performance analysis of double effect solar absorption cooling system with different schemes of hot/cold auxiliary integration and parallel-serial arrangement of solar field," Energy, Elsevier, vol. 245(C).
    8. Hessam Taherian & Robert W. Peters, 2023. "Advanced Active and Passive Methods in Residential Energy Efficiency," Energies, MDPI, vol. 16(9), pages 1-19, May.
    9. Wang, Hailei & Peterson, Richard & Herron, Tom, 2011. "Design study of configurations on system COP for a combined ORC (organic Rankine cycle) and VCC (vapor compression cycle)," Energy, Elsevier, vol. 36(8), pages 4809-4820.
    10. Xiao, Lei & Luo, Kaiqi & Zhao, Dong & Wu, Zhanghua & Xu, Jingyuan & Luo, Ercang, 2024. "A highly efficient heat-driven thermoacoustic cooling system: Detailed study," Energy, Elsevier, vol. 293(C).

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