A performance and technoeconomic study of different geometrical designs of compact single-pass cross-matrix solar air collector with square-tube absorbers

A. A. Razak, Z. A.A. Majid, F. Basrawi, A. F. Sharol, M. H. Ruslan, Kamaruzzaman Sopian

Research output: Contribution to journalArticle

Abstract

This manuscript presents a performance study on a forced convection single-pass solar air heater channel with compact cross-matrix absorber (CMA) incorporating metal hollow square-tube absorbers. Four different geometries of CMA (Type I, II, III and IV) were investigated experimentally to evaluate their efficiency, pressure drops and heat transfer parameters. The experiments were conducted with uniform heat flux (indoor) and outdoor solar radiation as heat source. The air mass flow rates used were between 0.0142 kg/s and 0.0360 kg/s. Techno-economic feasibility studies were conducted using cost-benefit ratio (AC/AEG) method. Thermal efficiency of the CMA obtained by Type I with 76%, being the highest. CMA Type I also exhibited the highest temperature elevation than other configurations with 15.3 °C and thermal capacity of 38.7 kJ. Maximum pressure drop obtained was 1.33 Pa in turbulent condition with Reynolds number of 50,794. Type I has the advantage of high performance CMA and has comparatively lower cost-benefit ratio (AC/AEG) of 0.15 RM/kWh than other type of thermal absorbers.

LanguageEnglish
Pages314-330
Number of pages17
JournalSolar Energy
DOIs
Publication statusPublished - 15 Jan 2019

Fingerprint

performance assessment
thermal power
cost-benefit analysis
design method
pressure drop
temperature effect
energy efficiency
Reynolds number
heat flux
heat transfer
experimental study
matrix
air
feasibility study
heat source
air mass
solar radiation
convection
solar collector
solar heating

Keywords

  • Cross-matrix absorber
  • Solar air collector
  • Thermal absorber design

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)

Cite this

A performance and technoeconomic study of different geometrical designs of compact single-pass cross-matrix solar air collector with square-tube absorbers. / Razak, A. A.; Majid, Z. A.A.; Basrawi, F.; Sharol, A. F.; Ruslan, M. H.; Sopian, Kamaruzzaman.

In: Solar Energy, 15.01.2019, p. 314-330.

Research output: Contribution to journalArticle

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