Experimental development to determine time constant for polymer collector

M. A.M. Rosli, Sohif Mat, Kamaruzzaman Sopian, Elias @ Ilias Salleh, M. K.A. Sharif

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The presents study presents an experimental development to determine the time constant for the polymer collector under hot and humid climate in Malaysia. The experimental setup has been conducted at the Taman Inovasi Teknologi Hijau, Universiti Kebangsaan Malaysia (UKM). It used water as a working fluid and conducted according the ASHRAE Standard 93-2010 (Methods of testing to determine the thermal performance of solar collectors). The closed system of experiment rig was equipped with heat exchanger and auxiliary heater to control the water inlet temperature from the polymer collector to ensure it close with the ambient temperature (Ti ≈ Ta) during an experiment. The available polymer collector in the market was used with minor modification was developed by inserting an insulator underneath the collector. This able to reduce the heat losses on the bottom part of collector to the environment. It shows the time constant of modified polymer collector was 90 seconds during the test day. The information of the time constant of polymer collector is vital to conduct an experiment of quasi steady state thermal performance of the polymer collector. It also provides the information of the collector behavior under transient condition during outdoor experiment. For example, the effect of the water and surface temperature once the irradiance change abruptly.

Original languageEnglish
Pages (from-to)1523-1527
Number of pages5
JournalARPN Journal of Engineering and Applied Sciences
Volume13
Issue number4
Publication statusPublished - 1 Feb 2018

Fingerprint

Polymers
Experiments
Water
Solar collectors
Heat losses
Temperature
Heat exchangers
Fluids
Testing
Hot Temperature

Keywords

  • ASHRAE standard 93-2010
  • Hot and humid climate
  • Polymer collector
  • Time constant

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Experimental development to determine time constant for polymer collector. / Rosli, M. A.M.; Mat, Sohif; Sopian, Kamaruzzaman; Salleh, Elias @ Ilias; Sharif, M. K.A.

In: ARPN Journal of Engineering and Applied Sciences, Vol. 13, No. 4, 01.02.2018, p. 1523-1527.

Research output: Contribution to journalArticle

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