Evaluation and parametric optimization of the thermal performance and cost effectiveness of active-indirect solar hot water plants

Young Deuk Kim, Kyaw Thu, Kim Choon Ng

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

In the study, an investigation and comparison of the thermal performance and cost effectiveness of an active-indirect solar hot water plant (SHWP) at Incheon (Korea), Jeddah (Saudi Arabia) and Changi (Singapore) international airports are carried out. Plant performances are analyzed for various collector areas and storage tank volumes at the ASHRAE standard flow rate and are reported in terms of the annual solar fraction, solar thermal rating, as well as the capital payback period and annualized life cycle savings. The main objective of this study is to optimize a SHWP that supplies water at 65°C to a flight kitchen for the economic benefits for an average daily energy demand. For the energy demand of 100 m3/day, the minimum payback periods of SHWPs at Incheon, Jeddah and Changi airports are 8.94 years with Ac= 1140 m2and Vt= 32 m3, 5.91 years with Ac= 750 m2and Vt= 24 m3and 8.39 years with Ac= 1050 m2and Vt= 28 m3, respectively.

Original languageEnglish
Pages (from-to)50-60
Number of pages11
JournalEvergreen
Volume2
Issue number2
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Surfaces, Coatings and Films
  • Management, Monitoring, Policy and Law

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