Operation performance enhancement of single-double-effect absorption chiller

Arnas Arnas, Jongsoo Jeong, Niccolo Giannetti, Seiichi Yamaguchi, Kiyoshi Saito, Hajime Yabase, Muhammad I. Alhamid, Nasruddin

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Absorption chillers constitute a valuable option for utilising solar energy. Specifically, when installed in tropical regions, this technology ideally matches the needs for refrigeration and air-conditioning because of the abundance of solar energy throughout the year. A single-double-effect absorption chiller combines the single and double-effect configurations to compensate for the unpredictable instantaneous availability of solar radiation and cooling load fluctuations. The operative performance of this system is strongly affected by internal parameters such as the absorber outlet solution flow rate and the solution distribution ratio, which connect the operability of the single and double-effect configurations. Therefore, these important parameters are currently used to maximise system performance while assuring its stability. This study discusses how the COP of a single-double-effect absorption chiller, for solar cooling applications in tropical areas, can be maximised (1.55 at full load, and up to 2.42 at 60% partial load) by manipulating those internal parameters. The simulation results were compared with the experimental data (field test data) and, by adopting the appropriate control method, showed an improvement of the system performance between 12 and 60% when compared to a corresponding double-effect configuration.

Original languageEnglish
Pages (from-to)299-311
Number of pages13
JournalApplied Energy
Volume219
DOIs
Publication statusPublished - 2018 Jun 1

Fingerprint

Solar energy
Cooling
Refrigeration
Solar radiation
Air conditioning
Flow rate
Availability
cooling
air conditioning
tropical region
solar radiation
effect
simulation
parameter
solar energy

Keywords

  • Absorption chiller
  • Control method
  • Double-effect
  • Internal parameter
  • Single-effect
  • Solar cooling

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Energy(all)
  • Mechanical Engineering
  • Management, Monitoring, Policy and Law

Cite this

Operation performance enhancement of single-double-effect absorption chiller. / Arnas, Arnas; Jeong, Jongsoo; Giannetti, Niccolo; Yamaguchi, Seiichi; Saito, Kiyoshi; Yabase, Hajime; Alhamid, Muhammad I.; Nasruddin.

In: Applied Energy, Vol. 219, 01.06.2018, p. 299-311.

Research output: Contribution to journalArticle

Arnas, Arnas ; Jeong, Jongsoo ; Giannetti, Niccolo ; Yamaguchi, Seiichi ; Saito, Kiyoshi ; Yabase, Hajime ; Alhamid, Muhammad I. ; Nasruddin. / Operation performance enhancement of single-double-effect absorption chiller. In: Applied Energy. 2018 ; Vol. 219. pp. 299-311.
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